Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
41results about How to "Increase the amount of eccentricity" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Multi-cylinder rotary compressor
InactiveCN104976123AIncrease the amount of eccentricityReduce assembly errorsRotary/oscillating piston combinations for elastic fluidsRotary piston pumpsAgricultural engineeringCrankshaft
The invention discloses a multi-cylinder rotary compressor which comprises a compression mechanism part. The compression mechanism part comprises at least one first cylinder and a crankshaft. Each first cylinder comprises two compression cavities and middle partition boards, the compression cavities and the middle partition boards are integrally formed, wherein the middle partition boards are located between the two compression cavities, and each middle partition board is provided with a middle partition board hole. The crankshaft comprises a main shaft, an auxiliary shaft, at least two eccentric shafts and a center shaft, the main shaft and a main bearing are matched, and the auxiliary shaft is matched with an auxiliary bearing. Each eccentric shaft is sleeved with one piston. A middle shaft is connected between every two adjacent eccentric shafts and penetrates through the corresponding middle partition board hole. At least one of two eccentric shafts corresponding to each first cylinder is separately combined with the crankshaft. According to the multi-cylinder rotary compressor, assembly errors can be reduced, rigidity is improved, the inner diameter of the middle partition board holes is small enough relative to the outer diameter of the eccentric shafts, and the core shift amount of the crankshaft can be increased.
Owner:GUANGDONG MEIZHI COMPRESSOR +1
Intelligent bracelet
ActiveCN106510109AComfortable to wearImprove wearing stabilityBraceletsWrist-watch strapsBiomedical engineeringWrist
The invention discloses an intelligent bracelet. The intelligent bracelet comprises a bracelet body, a first wrist band and a second wrist band, wherein a display screen assembly and a functional assembly are arranged in the bracelet body, and the functional assembly comprises a processor and a data collection assembly; a bending section is arranged in the middle of the bracelet body, extending sections are arranged at two ends of the bending section, and the bending radian of the bending section is matched with the shape of the human wrist; a connecting structure is arranged between the first wrist band and the second wrist band, and a wearing hole is formed among the bracelet body, the first wrist band and the second wrist band; a fastener is arranged between the two extending sections, and the fastener is hinged to one of the extending sections, and is in fastening connection with the other extending section. For the intelligent bracelet, the bracelet body is arranged to have the structure that the bending section is positioned in the middle, the extending sections are positioned at the two ends of the bending section, the wearing hole with the shape matched with that of the wrist is arranged among the bending section, the first wrist band and the second wrist band, so that the wearing is comfortable, and in addition, the fastener is arranged, so that the wearing stability is further enhanced.
Owner:CHONGQING GRAPHENE TECH
Threading tube coupler of wind generating set
ActiveCN102168725AAvoid twistingEasy to install and removeYielding couplingWind energy generationElectric generatorEngineering
The invention relates to a threading tube coupler of a wind generating set, which is provided with a left joint, a spring and a right part joint, wherein the end part of the front end of the left joint is in clearance fit connection with the end part of the rear end of the right part joint; the periphery of the left joint is provided with a stepped clamping groove; the spring is mounted in the stepped clamping groove; a blocking surface at the front end of the stepped clamping groove is lower than that at the rear end of the stepped clamping groove; one end of the spring is pressed against the blocking surface at the rear end of the stepped clamping groove; the other end of the spring is pressed against the end surface of the rear end of the right part joint; the outer periphery of the end part of the front end of the left joint is provided with a sliding key; and the inner peripheral surface of the right part joint is provided with a key slot matched with the sliding key. The threading tube coupler is expandable, so an input shaft of an electric generator and an output shaft of a speed increasing gearbox are convenient to install and disassemble by the coupler. The threading tubecoupler allows a left threading tube and a right threading tube to have certain eccentricity and higher eccentricity.
Owner:JIANGSU NEW UNITED HEAVY IND SCI & TECH +1
Rotary compressor
ActiveCN106122019ASolve the defect of limited maximum displacementIncrease the maximum displacementRotary/oscillating piston pump componentsLiquid fuel engine componentsEngineeringMechanical engineering
The invention provides a rotary compressor. The rotary compressor comprises a crankshaft (1), a first cylinder assembly and a second cylinder assembly, and a partition (2) is further arranged between the first cylinder assembly and the second cylinder assembly, and is a detachable structure which is integrally assembled by more than two partition units and can be detached. By the partition with the detachable structure, the eccentric diameter of the crankshaft does not require to be limited by the center aperture of the partition, the eccentricity of the crankshaft can be large to increase the maximum displacement of a pump of the compressor, requirements of actual large displacement are met, and the shortcoming that the maximum displacement of the rotary compressor is limited is solved. In addition, the eccentricity of the crankshaft can further be increased to reduce the thickness of a roller, then the overall power consumption of the compressor is reduced effectively, and energy efficiency is improved.
Owner:ZHUHAI LANDA COMPRESSOR +1
Speed detection device and installation method thereof
ActiveCN105083300ALarge sensing gap rangeIncrease the amount of eccentricityLinear/angular speed measurementLocomotivesEngineeringElectrical and Electronics engineering
The invention discloses a speed detection device which comprises a disk and a sensor matched with the disc. The disc comprises a disc body and multiple magnetic parts arranged in the disc body, the disc body is internally provided with a magnetic induction passage, and the sensor comprises an inductive probe; the multiple magnetic parts are sequentially arranged on the disc body and form a magnetic field which changes periodically in the magnetic induction passage, and the inductive probe extends into the magnetic induction passage to cut magnetic induction lines of the magnetic field and outputs a periodical pulse signal. According to the speed detection device, the range of an inductive gap of the sensor is large, the eccentric magnitude is allowed to be large during installation, and assembly adaptability is good; rotating parts and driving parts do not exist in the interior of the speed detection device, saved spaces are all assigned to an electrical part to enhance capacity of resisting disturbance, and safety and reliability are achieved. The invention further provides an installation method of the speed detection device.
Owner:湖南广思科技有限公司
Ultra-thin type centreless motor
InactiveCN1482722AReliable holdAvoid deformationMagnetic circuitMechanical energy handlingEngineeringMagnet
Motors are made thinner than conventional by adding a contrivance to a bracket. A housing composed of a case and a bracket is provided and an eccentric rotor and ring magnet are in the housing. A pair of brushes are provided with their base ends thereof anchored to a flexible base at the inside diameter of the magnet. The aforementioned flexible base leads to the outer periphery of the housing as a power-supply terminal, and an opening is provided in the part where the magnet is disposed in the housing. The flexible base leads to a side of the housing through the opening.
Owner:TOKYO PARTS IND CO LTD
Permanent magnet type quadrupole magnet and assembling method thereof
The invention provides a permanent magnet type quadrupole magnet and an assembling method thereof. The permanent magnet type quadrupole magnet comprises a metal skeleton with a containing cavity, a plurality of magnetic blocks and a plurality of jackscrews, wherein the magnetic blocks and the jackscrews are located in the containing cavity and arranged in a Halbach array mode. The top of each magnetic block is fixed to the inner side of the metal skeleton through the plurality of jackscrews and extrudes towards the center of the metal skeleton, so the side faces of every two adjacent magneticblocks are tightly attached, and the bottoms of the magnetic blocks are sequentially connected end to end to form a circular cavity. The invention further discloses an arrangement mode of the magneticblocks in the metal skeleton so as to improve the rate of finished products. When the permanent magnet type quadrupole magnet is assembled, an auxiliary tool is used, the auxiliary tool is taken outafter the magnetic blocks are fixed in place, then magnetic center measurement is carried out, and mechanical treatment is carried out on the outer circle of the quadrupole magnet skeleton according to the measurement result until the eccentricity of the magnetic center meets the design requirement.
Owner:TSINGHUA UNIV +1
High-speed double-curved-surface polishing machine
ActiveCN105364667AImprove polishing qualityQuality improvementOptical surface grinding machinesGrinding drivesPower componentEngineering
The invention discloses a high-speed double-curved-surface polishing machine. The high-speed double-curved-surface polishing machine comprises a power component, lens clamping bases and grinding tool swinging heads. The power component comprises a motor and an eccentric adjustable planetary turbine and used for driving lenses, to be treated, which are fixed to the lens clamping bases to swing eccentrically in the circumferential direction. The grinding tool swinging heads are located over the lens clamping bases, are in one-to-one correspondence with the lens clamping bases and are used for polishing the surfaces of the lenses to be treated. According to the high-speed double-curved-surface polishing machine, by using the eccentric adjustable planetary turbine, an eccentricity adjustment structure is added in the lens polishing process, so that apertures of the lenses can be corrected quite conveniently, high-quality surface contours can be obtained, and the lens polishing quality is improved.
Owner:长春博信光电子有限公司
Terminal hole making actuator used for aircraft fuselage component lamination assembling
ActiveCN107322035ASimple structureReduce the weight of the whole machineAircraft componentsBoring/drilling machinesAirplaneHole making
The invention discloses a terminal hole making actuator used for aircraft fuselage component lamination assembling. The terminal hole making actuator comprises a feeding mechanism, a revolution mechanism, a deviation adjusting mechanism, a rotation mechanism, a pressing chip removal mechanism and a system controller. The feeding mechanism, the revolution mechanism, the deviation adjusting mechanism, the rotation mechanism and the pressing chip removal mechanism are controlled by the system controller to carry out corresponding hole making operations. Eccentric adjustment of a tool within a large range is realized through plane thread transmission, various operations such as drilling, helical hole milling and boring can be implemented, hole making efficiency and quality of a fuselage lamination can be remarkably improved, and the terminal hole making actuator is especially suitable for being equipped with a fuselage automatic hole making system.
Owner:NANJING INST OF TECH
Variable valve actuating apparatus for internal combustion engine and control shaft for variable valve actuating apparatus
InactiveUS8061315B2Increase the amount of eccentricityControlling membersValve arrangementsExternal combustion engineEngineering
A variable valve actuating apparatus for an internal combustion engine includes: a control shaft rotatably supported through a bearing to a body of the engine, and arranged to rotate about a center axis to control an operating state of an engine valve, the control shaft including; a control cam having a center which is off the center axis of the control shaft in a first direction; and a journal portion rotatably supported by the bearing, the journal portion having a center axis which is off the center axis of the control shaft in a second direction different from the first direction of the control cam.
Owner:HITACHI LTD
Compressor, air conditioner and heat-pump water heater system
ActiveCN104421131ARaise the displacement ceilingEccentric limitCrankshaftsPositive displacement pump componentsHeat pump water heaterHole size
The invention provides a compressor, an air conditioner and a heat-pump water heater system. The compressor comprises a crank shaft component which comprises a rotation shaft and an eccentric portion. An installation portion is arranged on the rotation shaft, and the eccentric portion is detachably connected with the installation portion to form a rotation protrusion of the crank shaft component. By means of the compressor, the eccentric portion capable of being detachably matched with the installation portion on the rotation shaft is arranged, so that the rotation shaft can penetrate an inner hole of a partition plate of a middle pump of the compressor and is then assembled in the eccentric portion during assembly, the crank shaft eccentricity is prevented from being limited by the inner hole size, the crank shaft eccentricity can be larger, and the compressor displacement upper limit is improved.
Owner:ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION
Eccentric shaft of pavement roller vibration generator
InactiveCN103215880AIncrease the amount of eccentricityReduce eccentricityRoads maintainenceEngineeringMechanical engineering
Owner:HENAN UNIV OF SCI & TECH
Rotary compressor
ActiveCN103089630AHigh outputImprove efficiencyRotary/oscillating piston combinations for elastic fluidsRotary piston pumpsAgricultural engineeringCrankshaft
The present invention provides a rotary compressor which can ensure reliability of the crankshaft and realize high output and high efficiency. In a double-cylinder rotary compressor (100), the outer diameter of an intermediate shaft (4e) is formed at a position closer to a periphery side than periphery faces reversed to eccentric sides of a main shaft eccentric part (4c) and a subshaft eccentric shaft (4d),a separating plate (10) is divided into a plurality of parts via sections formed at a through hole of the separating plate (10), and the inner diameter of the through hole of the separating plate (10) is formed to be bigger than the outer diameter of the intermediate shaft (4e) and smaller than the outer diameters of the main shaft eccentric part (4c) and the subshaft eccentric shaft (4d).
Owner:MITSUBISHI ELECTRIC CORP
Pavement roller oscillation device controlled by electromagnetic clutch
The invention relates to a pavement roller oscillation device controlled by an electromagnetic clutch. A power transmission mechanism consists of a driving pump, a transmission shaft, an electromagnetic clutch and a drive pulley, wherein the drive pulley is arranged on the electromagnetic clutch and is opposite to an end cover of the electromagnetic clutch; an eccentric oscillation mechanism comprises an eccentric oscillation shaft and a driven pulley; a body of the eccentric oscillation shaft is of a cylinder shape; the shaft body is internally provided with a sliding groove which is parallel to the axial direction of the shaft body; an opening of the sliding groove is formed in the circumferential surface of one side of the shaft body; the sliding groove is internally provided with an eccentric sliding block; the bottom end of the eccentric sliding block is connected with the bottom of the sliding groove by an extension spring; and when the extension spring is in a reset state, the center of gravity of the eccentric oscillation shaft formed by the eccentric sliding block and the shaft body is positioned on the axis of the shaft body. The driving pump of a pavement roller is taken as a power source of the oscillation device, so that the effects of saving the space and reducing the cost can be realized; and the eccentricity degree of the eccentric oscillation mechanism can automatically change along with the rotating speed, so that the eccentric oscillation mechanism can be gently started, and the oscillation is rapidly stopped.
Owner:HENAN UNIV OF SCI & TECH
Smart bracelet
ActiveCN106510109BComfortable to wearImprove wearing stabilityBraceletsWrist-watch strapsBiomedical engineeringWrist
Owner:CHONGQING GRAPHENE TECH
Adjustable hydraulic clutch release bearing assembly with inner ring rotation
Owner:HANGZHOU TRUST AUTO BEARING
Shaft structure applied to compressor, compressor, air conditioning device and vehicle
PendingCN114320901ALow failure rateImprove running stabilityRotary piston pumpsRotary piston liquid enginesInterference fitAir conditioning
The invention provides a shaft structure applied to a compressor, the compressor with the shaft structure, an air conditioning device with the compressor and a vehicle with the air conditioning device. The shaft structure comprises a first shaft and a second shaft. A fixing hole is formed in the end face of one end of the first shaft and eccentrically arranged relative to the first shaft. One end of the second shaft is inserted into the fixing hole and is in interference fit with the fixing hole; and an unloading part is arranged on the inner side wall of the fixing hole and / or the circumferential surface of a partial section, extending into the fixing hole, of the second shaft. According to the shaft structure provided by the invention, the unloading part is arranged on the inner side wall of the fixing hole and / or the circumferential surface of the partial section, extending into the fixing hole, of the second shaft, so that interference connection expansion force caused by interference connection of the second shaft and the fixing hole can be reduced or even completely unloaded through the unloading part; therefore, the geometric tolerance deterioration of the roundness and cylindricity of the excircle of the first shaft can be effectively avoided, and the failure of the first shaft is further prevented.
Owner:ANHUI WELLING AUTO PARTS CO LTD +1
Rotary cylinder type compressor
InactiveUS20190203714A1Control leakageSmall sizeRotary/oscillating piston combinations for elastic fluidsRotary piston pumpsEngineeringFluid pressure
A rotary cylinder type compressor includes: a cylinder that is rotatably placed in an inside of a housing; a rotor that is placed in an inside of the cylinder and is rotatable about an eccentric axis that is eccentric to a rotational central axis of the cylinder; and a partition member that partitions a working chamber formed between an outer peripheral surface of the rotor and an inner peripheral surface of the cylinder into a suction space and a compression space. When a pressure of fluid in the compression space is equal to or larger than a reference pressure, a contact stress, which is exerted at an adjoining portion between the outer peripheral surface of the rotor and the inner peripheral surface of the cylinder, is increased in comparison to a case where the pressure of the fluid in the compression space is smaller than the reference pressure.
Owner:DENSO CORP
rotary compressor
ActiveCN111033048BIncrease the amount of eccentricityLarge capacityRotary/oscillating piston combinations for elastic fluidsRotary piston pumpsDrive shaftPiston
In the rotary compressor (1), a lower connecting portion (90) is provided between the lower eccentric portion (76) of the drive shaft (70) and the countershaft portion (74), and the lower eccentric portion (76) The radius R eL Subtract the eccentricity e of the lower eccentric part (76) from L The resulting distance is less than the radius R of the secondary shaft (74) S , the lower connecting portion (90) is configured such that the outer surface does not protrude from the outer surface of the lower eccentric portion (76), and the height H CL Less than the height H of the lower piston (45) PL . An inner peripheral groove (48) extending in the circumferential direction is formed at the end of the lower connecting portion (90) side of the inner peripheral surface of the lower piston (45), and the lower piston (45) is located at the lower connecting portion (90). ) and the inner peripheral surface is outside the outer peripheral surface of the lower eccentric part (76), the inner peripheral groove (48) is used to avoid the inner peripheral surface of the lower piston (45) Abut.
Owner:DAIKIN IND LTD
Threading tube coupler of wind generating set
ActiveCN102168725BLarge amount of heartGood centering performanceYielding couplingWind energy generationCouplingEngineering
The invention relates to a threading tube coupler of a wind generating set, which is provided with a left joint, a spring and a right part joint, wherein the end part of the front end of the left joint is in clearance fit connection with the end part of the rear end of the right part joint; the periphery of the left joint is provided with a stepped clamping groove; the spring is mounted in the stepped clamping groove; a blocking surface at the front end of the stepped clamping groove is lower than that at the rear end of the stepped clamping groove; one end of the spring is pressed against the blocking surface at the rear end of the stepped clamping groove; the other end of the spring is pressed against the end surface of the rear end of the right part joint; the outer periphery of the end part of the front end of the left joint is provided with a sliding key; and the inner peripheral surface of the right part joint is provided with a key slot matched with the sliding key. The threading tube coupler is expandable, so an input shaft of an electric generator and an output shaft of a speed increasing gearbox are convenient to install and disassemble by the coupler. The threading tubecoupler allows a left threading tube and a right threading tube to have certain eccentricity and higher eccentricity.
Owner:JIANGSU NEW UNITED HEAVY IND SCI & TECH +1
Rotary compressor
ActiveCN110998095AIncrease the amount of eccentricityLarge capacityRotary/oscillating piston combinations for elastic fluidsRotary piston pumpsDrive shaftEngineering
A rotary compressor (1), wherein a drive shaft (70) is configured so as to have a lower-side eccentric part (76), a countershaft part (74), and a lower-side linking part (90) that links these two parts together, and moreover is configured such that ReL - eL < RS, where ReL is the radius of the lower-side eccentric part (76), RS is the radius of the countershaft part (74), and eL is the amount of eccentricity of the lower-side eccentric part (76). The lower-side linking part (90) is formed so that the outer surface thereof does not protrude to the outer side from the outer surface of the lower-side eccentric part (76), and the lower-side linking part (90) is provided with a reinforcing part (92) of which the outer surface is positioned farther to the outer side than is the outer surface ofthe countershaft part (74) in the radial direction of the drive shaft (70).
Owner:DAIKIN IND LTD
A power transmission device for a vehicle
ActiveCN105599600AIncrease the amount of eccentricityImproved responsiveness at startControl devicesDriver/operatorEngineering
The invention provides a power transmission device for a vehicle, which can improve the start response when a vehicle restarts after stop. In the power transmission device for a vehicle with a crank type power transmission unit, if a stop intention detection unit detects the stop intention of a driver in decelerating running of the vehicle, a start resistance calculating unit calculates the start resistance of the vehicle and an offset control unit controls the offset of an eccentric disc in a range of greater than zero and less than a value generating an output torque basically equal to the start resistance in a period from the detection of the stop intention to the detection of the start intention of the driver by a start intention detection unit. Thus, while the stop state of the vehicle is maintained, the offset can be increased in advance, and the delay for increase of the offset to a necessary value is reduced at the moment of vehicle start, so that the start response is improved. The offset is increased from the decelerating running of the vehicle, so that even the vehicle is restarted after being just stopped, the start response is improved.
Owner:HONDA MOTOR CO LTD
rotary compressor
ActiveCN103089630BHigh outputImprove efficiencyRotary/oscillating piston combinations for elastic fluidsRotary piston pumpsEngineeringMechanical engineering
PURPOSE: A rotary compressor is provided to obtain the reliability of a crank shaft and improving the output and efficiency. CONSTITUTION: A rotary compressor comprises a motor, a crank shaft, a plurality of cylinders, and a partitioning plate(10). The motor includes a stator and a rotator. The crank shaft including a main shaft, a sub shaft, a plurality of eccentric units, and an intermediate shaft(4e) is driven by the motor. The cylinder includes a cylindrical penetration hole, and the eccentric units are arranged in the penetration hole so that the compressive chamber is formed. The partitioning plate includes a cylindrical penetration hole, where the intermediate shaft is arranged, and partitions compressive chambers of the adjacent cylinders.
Owner:MITSUBISHI ELECTRIC CORP
Compression mechanism for rotary compressor and rotary compressor having the same
ActiveCN104454529BImprove energy efficiencyImprove bending deformationRotary piston pumpsRotary piston liquid enginesEngineeringMechanical engineering
The invention discloses a compression mechanism for a rotary compressor and the rotary compressor with the same. The compression mechanism comprises a cylinder, two bearing pieces, a crank shaft, a piston and a slip sheet, wherein the cylinder is provided with a first slip sheet groove which extends along the radial direction and is communicated with a compression cavity, at least one bearing is provided with a second slip sheet groove which is open towards the cylinder, and the second slip sheet groove corresponds to the first slip sheet groove; a slip sheet groove is formed by the second slip sheet groove and the first slip sheet groove, and the slip sheet is movably arranged in the slip sheet groove. According to the compression mechanism for the rotary compressor, at least one bearing is provided with the second slip sheet groove, so that the problem of bending deformation of the slip sheet is improved, the width of the slip sheet is decreased, and the protrusion rate of the slip sheet is increased; the length of the slip sheet is decreased, the eccentricity of the crank shaft is increased, and the integral energy efficiency of the rotary compressor is improved, and a flat design of the rotary compressor is possibly realized.
Owner:GUANGDONG MEIZHI COMPRESSOR
A Frictionless Quick Response Balance System
The invention discloses a frictionless quick-response balance system, comprising a cylinder body, a piston shaft sleeve, a lower end cover shaft sleeve, a steel wire rope and a piston rod; the piston rod is inserted into a hollow cavity of the cylinder body; the piston shaft sleeve is installed outside the upper end part of the piston rod in a sleeving manner; the outside of the piston shaft sleeve contacts the inside wall of the cylinder body; an upper end cover and a lower end cover are respectively arranged at the upper and lower end parts of the cylinder body; the lower end cover shaft sleeve is installed on the inside wall of the lower end cover in the sleeving manner; one end of the piston rod is arranged in the hollow cavity of the cylinder body, and the other end of the piston rod passes through the lower end cover shaft sleeve and stretches out from the hollow cavity of the cylinder body; the steel wire rope passes through the hollow cavity of the piston rod; the top part of the steel wire rope is fixed in a groove in the upper part of the piston rod by a nut; the lower part of the steel wire rope passes through the hollow cavity of the piston rod, is exposed outside the piston rod and is used for lifting a load. According to the frictionless quick-response balance system disclosed by the invention, the load can be moved up and down frictionlessly, and the influence on balance of an entire lifting device and a machine tool Y axis due to an eccentric force can be eliminated; therefore, the stability and the reliability of the work are improved.
Owner:GUANGDONG UNIV OF TECH
Vehicle power transmission device
ActiveCN105599600BIncrease the amount of eccentricityImproved responsiveness at startControl devicesControl unitPower transmission
The invention provides a power transmission device for a vehicle, which can improve the start response when a vehicle restarts after stop. In the power transmission device for a vehicle with a crank type power transmission unit, if a stop intention detection unit detects the stop intention of a driver in decelerating running of the vehicle, a start resistance calculating unit calculates the start resistance of the vehicle and an offset control unit controls the offset of an eccentric disc in a range of greater than zero and less than a value generating an output torque basically equal to the start resistance in a period from the detection of the stop intention to the detection of the start intention of the driver by a start intention detection unit. Thus, while the stop state of the vehicle is maintained, the offset can be increased in advance, and the delay for increase of the offset to a necessary value is reduced at the moment of vehicle start, so that the start response is improved. The offset is increased from the decelerating running of the vehicle, so that even the vehicle is restarted after being just stopped, the start response is improved.
Owner:HONDA MOTOR CO LTD
A hyperboloid high-speed polishing machine
ActiveCN105364667BQuality improvementImprove polishing qualityOptical surface grinding machinesGrinding drivesEngineeringPower component
The invention discloses a high-speed double-curved-surface polishing machine. The high-speed double-curved-surface polishing machine comprises a power component, lens clamping bases and grinding tool swinging heads. The power component comprises a motor and an eccentric adjustable planetary turbine and used for driving lenses, to be treated, which are fixed to the lens clamping bases to swing eccentrically in the circumferential direction. The grinding tool swinging heads are located over the lens clamping bases, are in one-to-one correspondence with the lens clamping bases and are used for polishing the surfaces of the lenses to be treated. According to the high-speed double-curved-surface polishing machine, by using the eccentric adjustable planetary turbine, an eccentricity adjustment structure is added in the lens polishing process, so that apertures of the lenses can be corrected quite conveniently, high-quality surface contours can be obtained, and the lens polishing quality is improved.
Owner:长春博信光电子有限公司
Compressor, air conditioner and heat pump water heater system
ActiveCN104421131BRaise the displacement ceilingEccentric limitCrankshaftsPositive displacement pump componentsEngineeringAir conditioning
The invention provides a compressor, an air conditioner and a heat-pump water heater system. The compressor comprises a crank shaft component which comprises a rotation shaft and an eccentric portion. An installation portion is arranged on the rotation shaft, and the eccentric portion is detachably connected with the installation portion to form a rotation protrusion of the crank shaft component. By means of the compressor, the eccentric portion capable of being detachably matched with the installation portion on the rotation shaft is arranged, so that the rotation shaft can penetrate an inner hole of a partition plate of a middle pump of the compressor and is then assembled in the eccentric portion during assembly, the crank shaft eccentricity is prevented from being limited by the inner hole size, the crank shaft eccentricity can be larger, and the compressor displacement upper limit is improved.
Owner:ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION
Frictionless quick-response balance system
The invention discloses a frictionless quick-response balance system, comprising a cylinder body, a piston shaft sleeve, a lower end cover shaft sleeve, a steel wire rope and a piston rod; the piston rod is inserted into a hollow cavity of the cylinder body; the piston shaft sleeve is installed outside the upper end part of the piston rod in a sleeving manner; the outside of the piston shaft sleeve contacts the inside wall of the cylinder body; an upper end cover and a lower end cover are respectively arranged at the upper and lower end parts of the cylinder body; the lower end cover shaft sleeve is installed on the inside wall of the lower end cover in the sleeving manner; one end of the piston rod is arranged in the hollow cavity of the cylinder body, and the other end of the piston rod passes through the lower end cover shaft sleeve and stretches out from the hollow cavity of the cylinder body; the steel wire rope passes through the hollow cavity of the piston rod; the top part of the steel wire rope is fixed in a groove in the upper part of the piston rod by a nut; the lower part of the steel wire rope passes through the hollow cavity of the piston rod, is exposed outside the piston rod and is used for lifting a load. According to the frictionless quick-response balance system disclosed by the invention, the load can be moved up and down frictionlessly, and the influence on balance of an entire lifting device and a machine tool Y axis due to an eccentric force can be eliminated; therefore, the stability and the reliability of the work are improved.
Owner:GUANGDONG UNIV OF TECH
Rotary compressor
ActiveCN111033048AIncrease the amount of eccentricityLarge capacityRotary/oscillating piston combinations for elastic fluidsRotary piston pumpsDrive shaftEngineering
In a rotary compressor (1), a lower-side connection part (90) is provided between an auxiliary shaft part (74) and a lower-side eccentric part (76) of a drive shaft (70); the distance obtained by subtracting the amount of eccentricity eL of the lower-side eccentric part (76) from the radius ReL of the lower-side connection part (90) is less than the radius RS of the auxiliary shaft part (74); andthe lower-side connection part (90) is configured such that the height HCL thereof is less than the height HPL of a lower-side piston (45), without the outer surface of the lower-side connection part(90) protruding beyond the outer surface of the lower-side eccentric part (76). A circumferentially extending inner circumferential groove (48) is formed on an end part of the lower-side piston (45) toward the lower-side-connection part (90) on the inner circumferential surface, the inner circumferential groove (48) being provided to avert contact between the auxiliary shaft (74) and the inner circumferential surface of the lower-side piston (45) when the lower-side piston (45) is on the outer circumferential side of the lower-side connection part (90) and the inner circumferential surface ofthe lower-side piston (45) is further outward than the outer circumferential surface of the lower-side eccentric part (76).
Owner:DAIKIN IND LTD
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com