100results about How to "Compact installation space" patented technology

The invention relates to an air-conditioner internal unit and an air conditioner. The air-conditioner internal unit comprises an internal air duct (11) and a counter-rotating fan (2), wherein the internal air duct (11) communicates with an air inlet (12) and an air exhaust (13) of the air-conditioner internal unit, and the counter-rotating fan (2) is arranged in the internal air duct (11) and used for guiding an air flow to flow to the air exhaust (13) along the internal air duct (11) from the air inlet (12). According to the air-conditioner internal unit and the air conditioner, the counter-rotating fan is arranged in the internal air duct of the air-conditioner internal unit to guide the air flow, and compared with an existing scheme of adopting a centrifugal fan or an axial flow fan with a larger size for meeting the air supply requirement, the installation space occupied by the counter-rotating fan is smaller under the condition of meeting the same air supply requirement, and therefore the installation requirements of more applicable occasions can be met, especially occasions with compact installation space requirements.

A linear drive portion is fixed to a piston. A nut portion and a screw portion relatively rotate, and a direction of action of driving force is converted between a rotational direction and a linear direction. The piston is installed within a case. The inner circumference of a piston sliding portion fixed within the case slidably supports the outer circumference of the piston. The nut portion is displaced with the piston, and the screw portion rotates in conjunction with a rotational drive portion. The piston is installed so as to be able to slide in the axial direction of the case with respect to the piston sliding portion. The axis of the piston and the central position of the inner circumference of the piston sliding portion are set to be eccentric with respect to the axis of the screw portion and the nut portion.

The invention discloses an integrated variable frequency fracturing pumping device control system and control method. The integrated variable frequency fracturing pumping device control system comprises a high voltage electric input unit, an integrated container, and a variable frequency integrated machine; the integrated container comprises a power supply and distribution unit connected with a high voltage circuit breaker, the power supply and distribution unit is connected with and provides power for a main touch screen display, a main controller, an auxiliary controller, an auxiliary touchscreen display, and the variable frequency integrated machine correspondingly, and the main controller is connected with a remote control station and a camera system correspondingly; the main controller is further connected with the fluid end and the power end of a fracturing pump and an illuminating system; the main controller is further connected with a fracturing truck; the variable frequency integrated machine comprises a detection system, a temperature control system, and a frequency converter, wherein the detection system and the temperature control system are connected with the main controller correspondingly, the frequency converter is connected with the auxiliary controller, the frequency converter is connected with a variable frequency motor, and the variable frequency converteris connected with the fracturing pump. According to the integrated variable frequency fracturing pumping device control system and control method, the whole control system is divided into two independent modules, the structure adopts an integrated modular design, the mounting space is compact, maintenance is convenient, and assembly is flexible.

The invention belongs to the technical field of automobile part machining, and particularly relates to an automatic part cleaning device. The automatic part cleaning device comprise a box body, a cleaning chamber which is arranged on a bottom plate of the box body, nozzles which are fixedly connected to the two side walls in the box body, a drum which is fixedly connected to the top of the box body and wind inlets formed in two ends of the inner top of the box body; feeding ports are formed in two sides of the box body, valves are hinged to the positions of the feeding ports, water discharginggrooves which communicate with one another are formed in four sides of the bottom of the box body, and a collecting chamber is connected to the left sides of the water discharging grooves; a cleaningframe is arranged in the cleaning chamber, a telescopic rod is connected to the cleaning frame, the telescopic rod is controlled by cylinders to move up and down, a water vat is connected to the nozzles, an opening is formed in the bottom of the drum and rotatably connected with the telescopic rod, and the wind inlets blow on parts to remove moisture on the surface of the parts. According to theautomatic part cleaning device, the problems that part cleaning is not complete and manual refloating is needed in the cleaning process can be solved, and meanwhile, automatic air drying towards the parts is realized.

The invention discloses a photocatalyst honeycomb assembly and a photocatalyst purification device which can increase the contact area between polluted air and photocatalyst to the greatest extent, can guarantee the surface of the photocatalyst to obtain enough ultraviolet irradiation to the greatest extent, enables flow resistance suffered by air flowing in a runner to satisfy the field of ventilation systems with higher flow resistance requirement, and can largely increase the quantity of fully purified air currents. The photocatalyst honeycomb assembly comprises a photocatalyst honeycomb assembly shell and a plurality of photocatalyst honeycomb filter elements; the photocatalyst honeycomb filter elements are formed by arranging a plurality of filter element basic units in a honeycomb form; the ends of all the filter element basic units are polygonal or circular; one parts or all parts of the inner surfaces of all the filter element basic units are attached with photocatalyst coating layers; and the photocatalyst honeycomb filter elements are arranged in a butt joint manner by a mode of mutually staggering by 1 / 2 honeycomb radius, so that honeycomb air channels in the staggered surfaces among the photocatalyst honeycomb filter elements are cut to a plurality of subareas.

A compact differential-pressure flow meter with reduced wiring is provided. The differential-pressure flow meter has first and second pressure sensors 12A and 12B fixed to a base member 14 on upstream and downstream sides of an orifice member 11 along a flow channel to determine a flow rate based on a pressure difference measured between the two sides of the orifice member 11 by the pressure sensors. The differential-pressure flow meter includes specific control boards disposed near pressure-sensing parts installed in the respective pressure-sensing device and a main control board disposed in a board installation space formed inside the base member. The specific control boards are connected to the main control board with wires passing through a plurality of wiring conduits provided in housings of the pressure-sensing device, and external wiring are connected to one of the specific control boards or to the main control board.

A magnetometer is described, having a substrate and a magnetic core, the substrate having an excitation coil for generating a magnetic flux in the magnetic core; and the excitation coil having a coil cross section, which is aligned generally perpendicular to a main plane of extension of the substrate. The magnetic core is situated outside the coil cross section.

The present invention relates to a battery unit (1) comprising a plurality of battery cells (2) each having a first electrode (3) and a second electrode (4) for electrically contacting the respective battery cell (2), wherein the battery cells (2) through cell connectors (5) are electrically connected to each other and the interconnected battery cells (2) are enclosed by an outer casing (6) integrating the battery cells (2) together, the cell connectors (5) comprise at least one flexible molded portion and the outer casing (6) at least partially is flexible, such that the battery unit (1) is deformable according to the change of the relative structure of the battery cells (2). Furthermore, the invention relates to a battery module having a plurality of electrically connected battery units (1).

The invention discloses a photocatalyst honeycomb subassembly. The photocatalyst honeycomb subassembly is capable of enlarging the contact area of polluted air with photocatalysts as far as possible, ensuring sufficient light irradiation of photocatalyst surfaces is achieved as far as possible, and at the same time allowing flow resistance of air flow in flow channels to satisfy ventilation systems with relatively high requirements on flow resistance. The photocatalyst honeycomb subassembly comprises a photocatalyst honeycomb subassembly housing, and one or a plurality of photocatalyst honeycomb filter elements; each photocatalyst honeycomb filter element is composed of a plurality of filter element elementary units arranged in a honeycomb manner; the filter element elementary units are polygonal or circular from axial view; one part of the polygonal or the circular internal surface, or the whole polygonal or the circular internal surface of each filter element elementary unit is coated with a photocatalyst coating layer; and polygonal or circular air channels, used for flowing of air, are formed by encircling of the polygonal or the circular internal surfaces of the filter element elementary units.

An elevator apparatus wherein a first drive device having a first drive sheave and a second drive device having a second drive sheave are disposed at the upper part of a hoistway. A car and first and second balance weights are suspended by main rope bodies wound on the first and second drive sheaves in the hoistway. Also, the car and the first and second balance weights are lifted by the drive forces of the first and second drive devices in the hoistway.

The invention discloses a hybrid power speed changer transmission structure and a vehicle. An engine and a motor are included, and an input shaft of a speed changer is connected with an output shaft of the engine and an outer gear ring and further connected with a speed changer shell through a one-way clutch or a brake. The motor is connected with the input shaft of the speed changer through a fourth clutch, and a motor output shaft is connected with a sun gear. A planet row output gear is connected with a planet carrier. A first input gear, a first-gear driving gear and a third-gear driving gear are arranged on a first intermediate shaft, a second input gear, a reverse gear, a second-gear driving gear and a fourth-gear driving gear are arranged on a second intermediate shaft, and a first-gear driven gear, a second-gear driven gear, a third-gear driven gear, a fourth-gear driven gear and an output shaft main reduction gear are arranged on an output shaft of the speed changer. The first input gear and the second input gear are both meshed with the planet row output gear and correspondingly output power to the first intermediate shaft and the second intermediate shaft through a first clutch and a second clutch. The reverse gear is meshed with the first-gear driven gear and outputs power to the second intermediate shaft through the third clutch. The transmission efficiency is high, engine intervention and exit are smooth, and the axial size is small.

A seat cushion length adjusting device comprises a support, an adjusting member displaceably mounted to the support and configured for attachment to at least a portion of a seat cushion, and an actuator. The actuator is coupled to the support and the adjusting member. The actuator is configured to displace the adjusting member relative to the support. The actuator comprises a power drive, a speed reduction gearing, and a motion conversion mechanism for converting a rotational motion of an output of the speed reduction gearing into a linear displacement between the adjusting member and the support.

The invention provides an elevator device, comprising a first driving device for a first driving wheel and a second driving device for a second driving wheel on the upper of elevator shaft. Main rope bodies winding on the first and the second driving wheels hang the elevator car, the first and the second counterweights in the elevator shaft. In addition, under driving forces of the first and the second driving devices, the elevator car, the first and the second counterweights lift in the elevator shaft.

The invention relates to a roller-bearing arrangement, particularly a large-diameter roller-bearing arrangement for a wind turbine, comprising an outer ring and an inner ring that can be rotated about a rotational axis, relative to said outer ring, said roller-bearing arrangement comprising a first raceway in which a plurality of first roller elements are arranged and which is designed between a first ring extension of the outer ring and a second ring extension of the inner ring, said second ring extension engaging behind the first ring extension in a radial direction relative to the rotational axis.

The invention provides a heating and hot water supplying device that is provided with a heat exchanger for hot water supply that can ensure an installation space for a distributing valve, a bypass channel, and a bypass flow regulating means without making the heating and hot water supplying device larger and that allows simultaneous heating and hot water supply operations and can appropriately control the temperature of the hot water supply. A heating and hot water supplying device comprises a combustion means, a heat exchanger, a circulation channel that connects the heat exchanger and a heating terminal, a circulation pump provided in the circulation channel, a first bypass channel that branches from the circulation channel and bypasses the heating terminal, a heat exchanger for hot water supply that is provided in the first bypass channel, and a hot water supply channel for supplying tap water to the heat exchanger for hot water supply and for supplying hot water heated by the heatexchanger for hot water supply. A distributing means is provided in a branching portion of the first bypass channel, and the distribution ratio can be adjusted so as to enable each of a heating operation, a hot water supply operation, and a simultaneous heating and hot water supply operation. A second bypass channel that bypasses the heat exchanger for hot water supply is provided in the hot watersupply channel, and a flow regulating means that can regulate the bypass flow rate of same is provided. The heat exchanger for hot water supply is configured to be a plate-type heat exchanger, and apair of first bypass channel couplers and a pair of hot water supply channel couplers are disposed in one side face thereof.

A slide door of a machine tool which slide door is constituted by first and second doors for opening and closing, in a sliding manner, an opening of the machine tool includes: a first nut fixed to the first door; a first ball screw engaged threadedly to the first nut; a second ball screw placed in parallel with the first ball screw; a second nut engaged threadedly to the second ball screw and fixed to the second door is fixed thereto; and a motor for driving the first and second ball screws via a power transmission mechanism.

To obtain a harvester capable of suitably irradiating the front side and simultaneously traveling on a work travel and also on a moving travel, in advantageous states on the aspects of a structure and operations. This harvester in which headlight devices (20) are fixed to a front harvesting portion (10) connected to a self-propelled machine frame so as to be freely operated in a state capable of being swung into a lower work state or into an upper non-work state is characterized in that the irradiation directions of the headlight devices (20) are set so that the headlight devices (20) irradiate fixed grass dividers (12) and the ground in front of the fixed grass dividers (12), in a state that the front harvesting portion (10) is lowered in the lower work state and so that the headlight devices (20); irradiate the ground separated forward from the self-propelled machine frame than a case that the front harvesting portion (10) is in the lower work state, in a state that the front harvesting portion (10) is lifted in the upper non-work state.

The invention relates to a two-layer module bracket and a battery pack. The two-layer module bracket is mounted in a battery box body. and comprises a tray and a bracket; the tray is integrally moulded by adopting an aluminium profile moulding process and is internally hollowed; the lower end of the bracket is fixed to the interior of the battery box body; the upper end of the bracket is fixedly connected with the bottom of the tray; a mounting space used for mounting battery modules is formed between the tray and the inner wall of the battery box body. The invention provides the module bracket which is simple in structure and process moulding, and is fixed seamlessly; the overall module bracket is light in weight, low in mould cost, simple in processing moulding process, and high in structural strength; the overall production process does not have a welding process, can reduce pollution to the environment in production and shortens production time; a good module bracket can be formedby simply cutting a semi-moulded piece; moreover, the tray is internally hollowed and is light and convenient, so that physical consumption of an operator can be reduced, and the production efficiencyis improved.

The invention discloses a flexible bionic joint and a robot. The flexible bionic joint comprises a driving part and a joint assembly. The driving part comprises an output shaft. The joint assembly comprises a first rotary part and a second rotary part adjacent to the first rotary part. The first rotary part comprises a first rotary wheel and a second rotary wheel. The second rotary wheel and the first rotary wheel are coaxially fixed. The second rotary part comprises a third rotary wheel. The flexible bionic joint also comprises a first rotary part and a second rotary part. The first rotary part bypasses the output shaft and the first rotary wheel. The second rotary part bypasses the second rotary wheel and the third rotary wheel. The technical scheme is intended to reduce the overall weight of exoskeleton and achieves a compact installation space. The reasonable configuration of transmission ratios is achieved, which is conducive to achieving overload protection. The flexible bionic joint is convenient to use.

The invention relates to the field of brakes, and discloses a rubber gasket type fixed caliper disc brake. A caliper body is provided with a return assembly, a friction block is installed on the caliper body through the return assembly, the return assembly comprises an elastic deformation sleeve and a fastening screw, the caliper body is provided with a mounting hole, and the elastic deformation sleeve is installed in the mounting hole. The elastic deformation sleeve comprises an upper limiting seat, a lower limiting seat and a connecting sleeve connecting the upper limiting seat and the lower limiting seat, the connecting sleeve is inserted into the mounting hole, the upper limiting seat and the lower limiting seat are limited to the upper side end face and the lower side end face of the mounting hole respectively, the fastening screw penetrates through the elastic deformation sleeve, and the lower end of the fastening screw is fixedly connected with the friction block. The upper end of the fastening screw abuts against the interior of the upper limiting seat. The rubber gasket type fixed caliper disc brake has the advantages of simple structure, low cost, high return effect, no noise vibration and the like.

A mixture formation device for an internal combustion engine operated with a burnable gas, preferably compressed natural gas CNG, comprises a combination of a quantity regulator, a gas mixer, a flow-guiding element for pressure recovery, and a connection possibility for exhaust gas recirculation of the internal combustion engine. The mixture formation device according to the invention can empty a gas tank to a comparatively low pressure of approx. 2 bar, an excellent mixture formation being achieved over the entire range of speed and load range of the internal combustion engine. According to the invention, such a mixture formation device can reduce production costs as well as space requirements compared to known solutions. An internal combustion engine operated with a burnable gas, particularly compressed natural gas (CNG), may also comprise such a mixture formation device in the intake tract thereof.

A spiral direct-drive electric-hydraulic proportional flow valve with a hollow permanent-magnet alternating-current servo motor comprises a valve element. The valve element is disposed in a valve sleeve, a lower cover plate is connected with the top of the valve sleeve, a cavity is formed by the lower end face of the lower cover plate and the end face of the valve element, and a central hole communicated with the cavity is formed in the valve element. An outer thread is processed on a valve rod, penetrating a central hole of the lower cover plate, on the upper portion of the valve element. The valve rod is in matched connection with a long nut. The long nut is connected with a rotor of the servo motor, the lower end face of a shell of the servo motor is connected with the lower cover plate, and the lower end of an upper press plate is pressed on the upper end face of the shell of the servo motor. Threads are arranged at two ends, positioned on the upper press plate and the lower cover plate, of the long nut. Angular contact ball bearings are mounted face to face. The long nut extends out of the outer end of the upper press plate to mount a rotary transformer rotor. A rotary transformer stator is fixed with the upper press plate through a cover plate. Rotary movement of the rotor of the servo motor is transformed into linear motion of the valve element through a sliding screw mechanism formed by the long nut and the upper portion of the valve element. Opening and closing of the valve is realized through control on rotation of the motor. By the spiral direct-drive electric-hydraulic proportional flow valve, accuracy is improved and cost is reduced.

The invention relates to the field of kitchen utensils, and provides a rotary filter screen, a filter screen assembly and a range hood. The rotary filter screen comprises a plurality of fan blades anda plurality of filter screen bodies; the plurality of fan blades are arranged at intervals in the rotation circumferential direction of the rotary filter screen, and the plurality of fan blade are inclined towards the same side; each filter screen body is arranged between the two adjacent fan blades; and the rotary filter screen is in a disc shape horizontally extending outwards from the rotationcenter of the rotary filter screen. According to the rotary filter screen, the structure is simple, the occupied space is small, upward suction air generated by the range hood pushes the fan blades so as to drive the rotary filter screen to rotate automatically, oil drops in oil fume can be continued to be intercepted, the grease separation degree is improved, and the rotary filter screen is convenient to machine and manufacture and low in cost.

The invention provides an aplanatic light path control device of a laser cutter. The device comprises a laser source, a compensation reflector mechanism on the light path and a compensation mechanism driver thereof, a reflector on a laser cutting head, and the laser cutting head and a driver thereof. The compensation reflector mechanism and the laser cutting head share a linear guide rail pair on a cross beam, and the compensation mechanism driver and the laser cutting head driver share a transmission pair on the cross beam; and the motion direction of the compensation reflector mechanism is corresponding to that of the laser cutting head and the motion begins and stops at the same time, and the ratio of the motion velocity V1 of the compensation reflector mechanism on the cross beam linear guide rail pair and the motion velocity V2 of the laser cutting head on the cross beam linear guide rail pair is as follows: V1:V2=1:2. The motion distance of the compensation reflector mechanism is Y when the motion distance of the laser cutting head along the Y axis is 2Y, thus ensuring constant light path length.

A sensor having a substrate, a cap and a seismic mass is proposed, the substrate having a main extension plane, the seismic mass being deflectable perpendicular to the main extension plane, a first stop of the cap covering a first area of the seismic mass perpendicular to the main extension plane in a first coverage region and a second stop of the cap covering a second area of the seismic mass perpendicular to the main extension plane in a second coverage region, and furthermore the first and second coverage regions parallel to the main extension plane being essentially equal in size. The distances of the coverage regions from a pivot axis of the mass designed as a rocker are equal so that the torques caused by electronic forces offset one another.

A linear drive portion is fixed to a piston. A nut portion and a screw portion relatively rotate, and a direction of action of driving force is converted between a rotational direction and a linear direction. The piston is installed within a case. The inner circumference of a piston sliding portion fixed within the case slidably supports the outer circumference of the piston. The nut portion is displaced with the piston, and the screw portion rotates in conjunction with a rotational drive portion. The piston is installed so as to be able to slide in the axial direction of the case with respect to the piston sliding portion. The axis of the piston and the central position of the inner circumference of the piston sliding portion are set to be eccentric with respect to the axis of the screw portion and the nut portion.

The invention relates to the technical field of glass bottle making, in particular to a synchronous double-positive-blowing glass bottle making machine which comprises a main rack, a base is fixed to the bottom end of the main rack, a servo rotary disc mechanism is arranged at one end of the top end of the base, and a forming side upper rotary disc mechanism is arranged at the top of the servo rotary disc mechanism. A synchronous double-positive-blowing mechanism is arranged at the top of the forming side upper rotary disc mechanism, an oil-gas sliding ring assembly is arranged in the middle of the top end of the synchronous double-positive-blowing mechanism, a servo bottle clamping mechanism is arranged at one end of the top end of the main rack, and an initial form side box assembly is arranged at the other end of the top end of the base at the bottom end of the main rack. The bottle making machine has the beneficial effects that rapid and sufficient positive blowing is conducted on embryonic forms formed by a primary mold according to different glass forming processes, so that the good glass bottle forming effect and high production efficiency are achieved; the one-primary-mold two-mold forming process mode is adopted, so that the application range is wide, the whole machine is convenient to install and maintain, the equipment failure rate is low, the forming time is short and production efficiency is high.

The invention discloses a marine thrust bearing energy dissipation damper and an assembling method thereof. The marine thrust bearing energy dissipation damper comprises a bottom plate, a housing anda stressed block, wherein a second sealed working cavity is formed between the bottom plate and the housing; an energy dissipation component and a damping liquid are arranged in the second sealed working cavity; and the energy dissipation component comprises a first thrust piston, a second thrust piston, a piston cylinder, a thrust connecting rod and a porous damping plate. According to the marinethrust bearing energy dissipation damper and the assembling method thereof, the damping liquid is used as an energy dissipation medium of the damper, so that rigid collision generated by longitudinalvibration is better avoided, and the shafting is more stable. By adopting modular design and manufacturing, the structure is compact, the installation space and the structural load of a thrust bearing are reduced, the weight is lighter, the manufacturing cost is greatly reduced on the premise of improving the stability, and therefore the thrust bearing is economical and energy-saving, and has higher vibration suppression efficiency and higher parameter stability.