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490results about How to "Avoid oversizing" patented technology

Method for predicting office building cooling load

The invention belongs to the technical field of building cooling load control, relates to a method for predicting an office building cooling load, and through building an office building outdoor cooling load model, an office building indoor cooling load model and an office building fresh air load hourly variation model, an office building cooling load model is obtained. Based on the an energy conservation law and a thermal balance relation in building environment, from the point of view of variation of the number of people in an office building and personnel energy utilization modes, the interference amount of a cooling load in the office building is predicted and analyzed; and meteorological website data are utilized to predict a cooling load outside the office building and an office building fresh air load. The method for predicting the office building cooling load establishes an air conditioner enclosing structure, a solar radiation cooling load hourly variation model, and hourly variation models of personnel, equipment, illumination cooling loads and personnel indoor rate in air conditioning environment, and finally obtains a cooling load prediction model of the office building.
Owner:TIANJIN UNIV

Sheet material feeding apparatus and recording apparatus

A sheet material feeding apparatus, provided with a simple-structure and low-cost multifeeding prevention mechanism, comprises a sheet stacker for stacking sheets, a feeding roller for feeding the stacked sheets, a separation roller, rotating according to the feeding roller, for separating the sheet, a separation roller holder for rotatably holding the separation roller and rotating to cause the separation roller to move to a position being in contact with the feeding roller and to a position being released from the feeding roller, and a urge unit for urge the sheet stacker to the feeding roller to cause the stacked sheets to come into contact with the feeding roller, wherein, after the separation roller came into contact with the feeding roller, it causes the stacked sheets to come into contact with the feeding roller.
Owner:CANON KK

Display device

A structure holds a display panel arranged inside a cabinet from the both sides by means of a holding member and a frame portion, which are supported by the circumferential surface section, so as to reduce thickness and frame width without using a bezel and to ensure rigidity. The cabinet is provided with a frame portion positioned on the display surface side of the display panel, a circumferential surface portion positioned at the periphery of the display panel, and a rear surface portion covering the other surface side of the display panel. A protruding section is arranged on the outer circumference side of the periphery of the display panel and the holding member to extend from the display surface side of the display panel toward the side opposite to the display surface, on an inner surface of the frame portion. A reinforcing section is arranged for connecting the inner circumference section of the protruding section with the inner surface section of a frame portion. The protruding section is provided with connecting sections, which are integrally formed with the inner surface of the frame portion, annularly arranged on the outer circumference of the display panel, and integrally formed at a plurality of positions on the protruding section in the circumference direction. The holding member has a section to be connected with the connecting section.
Owner:SHARP KK

Motor-driven three-way valve

The invention discloses a motor-driven three-way valve which comprises an input port, a plurality of output ports and a valve core. An opening of the input port is formed in the face of a valve seat, and the plurality of output ports are arranged at intervals and provided with a plurality of openings. The valve core rotates on the valve seat in a sliding mode under the driving force of a motor portion and opens and closes the plurality of output ports selectively. The motor portion serves as a separated individual and is installed on the outer side of the upper end face of a cylindrical outer cover for leading in a refrigerant. The valve seat is arranged on the opening portion at the lower end of the cylindrical outer cover. The valve core is driven by a gear device for transferring the driving force of the motor portion and arranged in the cylindrical outer cover. The cylindrical outer cover is formed by a lateral wall with a lateral opening portion and a top portion, the valve seat is arranged on the lateral opening portion, the other lateral opening portion is arranged on the top portion through the cylindrical wall portion, a casing fixed on the wall is arranged on the other lateral opening portion in an erection mode and installed on the cylindrical outer cover, and a motor is arranged in the casing. The valve avoids large-size coils, shortens occupied space, enables the shape of the valve core to be well balanced and ensures that the valve core can slide on the valve seat in the rotating direction.
Owner:ZHEJIANG SANHUA INTELLIGENT CONTROLS CO LTD

Multi-frequency antenna

With the object of providing a mobile wireless equipment with a multi-frequency antenna capable of performing communication with a GPS system in addition to conventional communication with mobile wireless systems, an antenna 10 for mobile wireless equipment and a GPS antenna 4 are tightened together by threading an antenna fixing nut 19 onto a holder 7 from within a casing 101, after inserting a holder 7 of the antenna 10 for mobile wireless equipment from above a through-hole 4b of the GPS antenna 4 and inserting the holder 7, which projects from below, from above into an aperture 101a of the casing 101. Also, positioning and fixing of the GPS antenna 4 are performed by engagement of claws 41, 41 formed on the GPS antenna 4 and a positioning boss 42 with claw receiving sections 43, 43 and a boss receiving section 44 formed in the upper part of the casing 101.
Owner:NIPPON ANTENNA CO LTD

Method for preparing hydrogen peroxide

The invention discloses a method for preparing hydrogen peroxide. A working liquid and a hydrogen-containing gas are introduced into a slurry bed reactor; a hydrogenated liquid is obtained by reaction in the existence of a catalyst; the hydrogenated liquid reacts with oxygen to obtain the hydrogenated liquid containing hydrogen peroxide in an oxidation reactor; oxidized liquid is extracted and separated from an extraction tower to obtain a hydrogen peroxide solution and working liquid; the slurry bed reactor comprises a cap (12), an expanding section (13) and a draft tube (11); the expanding section (13) is positioned at the lower part of the cap (12); the pipe diameter of the expanding section (13) is greater than that of the cap; the draft tube (11) is arranged in the expanding section (13); the pipe diameter of the draft tube (11) is smaller than that of the cap (12); a bottom opening of the cap (12) extends into the expanding section (13); the outer wall of the cap (12) is connected with the top of the expanding section (13); an upper opening of the draft tube (11) extends into the cap (12); and an opening is formed in the lower part of the draft tube (11). The method disclosed by the invention is stable to operate, and easy for realization of industrial enlargement; no alkali is introduced in the process of preparing hydrogen peroxide; and the risk of explosion caused by hydrogen peroxide decomposition is avoided.
Owner:CHINA PETROLEUM & CHEM CORP +1

Charge control device for electric vehicle

The invention provides a charge control device for an electric vehicle. In the device, a common charging coupler for a normal charger and a quick charger are provided so as to improve the usability of the users and so as to simplify a charging system. A battery (4) supplies electric power to a motor (18) that is a driving source of an electric vehicle (1). A quick charger (10) comprises: a first charging circuit (52) that charges the battery (4); a second charging circuit (53) which is connected in parallel with the first charging circuit (52); and a charging coupler (13) for connecting the first charging circuit (52) and the second charging circuit (53) to the battery (4). The first charging circuit (52) and the second charging circuit (53) are connected to the battery (4) via common circuit portions (PLp, PLn) that are arranged between the charging coupler (13) and the battery (4). A normal charger is provided only with the first charging circuit (52) out of the first charging circuit (52) and the second charging circuit (53).
Owner:HONDA MOTOR CO LTD

Powe supply unit and air conditioner with the power supply unit

The invention provides a power supply unit wherein the conduction angle of input current is widened through simple control and thereby the power factor is improved and the harmonic component of the input current is reduced. The power supply unit is provided with a rectification circuit that rectifies the voltage of alternating-current power supply, a reactor connected with the rectification circuit, a power-factor improvement circuit that includes a plurality of switching elements and capacitor circuits and is fed as input with the output voltage of the rectification circuit, a change-over switch portion that is connected between the rectification circuit and the power-factor improvement circuit and switches the state of conduction of a current path formed between them from the state in conduction to the state out of conduction and vice versa, a change- over switch control portion that controls the state of conduction of the change-over switch portion, a pulse signal control portion that generates and outputs pulse signals for turning on and off the individual switching elements in the power-factor improvement circuit, and a switch driving portion that receives the pulse signals from the pulse signal control portion and drives the switching elements in the power-factor improvement circuit.
Owner:PANASONIC CORP

Electric connector assembly, plug type connector and socket type connector

The present invention provides an electric connector assembly, a plug type connector and a socket type connector. The electric connector assembly has a socket type connector and a plug type connector engaged with the socket type connector, wherein an engaging part of a casing of the plug type connector has a structure difficult to damage. The plug type connector (2) has a reinforcing component (60) arranged at an end part of the engaging part in a terminal arrangement direction, wherein the reinforcing component is made by bending a metal plate used as a component, and the reinforcing component comprises: a base part (61) for covering a lower surface of the end part of the engaging part through a board which is orthogonal to a connector plugging direction as the engaging part of the plug type connector (2) is downward; a side plate part (63) for covering two side surfaces of the end part through boards which are respectively parallel to the terminal arrangement direction and the connector plugging direction; and an end plate part for covering an end surface of the end part through a board which is orthogonal to the terminal arrangement direction.
Owner:HIROSE ELECTRIC GROUP

Wrench with controlled tightening

The invention provides an electronic wrench which includes means for measuring the instantaneous applied torque and means for measuring the instantaneous angle of rotation during tightening. The physical parameters of the screw connection for tightening and a setpoint value for the tightening are initially entered into the wrench via a keypad. During the tightening operation, the processor means calculate the instantaneous traction force on the screw fastener as a function of the measured instantaneous values of torque and angle and as a function of the recorded characteristics of the screw fastener.
Owner:SN DETUDE & DE CONSTR DE MOTEURS DAVIATION S N E C M A

Variable valve lift device of internal combustion engine

A variable valve lift device of an internal combustion engine, wherein a first link rocker arm (58) rotatably pivoted at the fixed position of an engine body is rotatably connected to a rocker arm (31). A movable pivot shaft (60) rotatably pivoting the other end part of a second link arm (59) having one end part rotatably connected to the rocker arm (31) comprises crank webs (61a) holding the second link arm (59) from both sides and connection parts (61c) integrally connecting both crank webs (61a) to each other at positions where the interference thereof with the second link arm (59) can be avoided, and is connected to a crank member (61) formed in a crank shape so that the crank member (61) can be drivingly rotated by a drive means. Thus, the lift amount of an engine valve can be steplessly varied, the torsional rigidity of the crank member can be secured while securing the assembling workability of the second link arm to the crank member, and the size of the device can be reduced.
Owner:HONDA MOTOR CO LTD

Exposure method, exposure apparatus, photomask and photomask manufacturing method

There is disclosed an exposure method is a method of projecting patterns (M1, M2) of a mask (M) onto a substrate to effect exposure thereof, through a plurality of projection optical units each having an enlargement magnification, and the exposure method comprises: placing the mask (M) having first pattern regions (M1) arranged discontinuously in a positional relation corresponding to the enlargement magnification, and second pattern regions (M2) provided at least in part between the first pattern regions (M1), on the object plane side of the projection optical units; projecting enlarged images of either of the first pattern regions (M1) and the second pattern regions (M2) onto the substrate disposed on the image plane side of the projection optical units to effect exposure thereof; and then projecting enlarged images of the other pattern regions onto the substrate to effect exposure thereof.
Owner:NIKON CORP

Integrated measuring device for flow density distribution of large-size spraying field

The invention discloses an integrated measuring device for flow density distribution of a large-size spraying field. The integrated measuring device is composed of a water collector, an L-shaped fixing rib, an integrated cover plate and a rack, wherein the water collector is formed by digging measuring holes in the same size and regular arrangement on rectangular plate made of a transparent material; the long arm of the L-shaped fixing rib is adhered and connected with the water collector; the L-shaped fixing rib is fixed on the rack through a positioning screw hole on a short arm; the measuring holes on the water collector are vertically upward formed at measuring positions in the spraying field; the cover plate is connected with the top of the fixing rib through a rotating shaft; at the beginning or ending of measurement, the cover plate is opened or closed around the rotating shaft; a transparent scale bar is attached to the side wall of the water collector, wherein the starting scale is aligned with the bottom of the measuring holes; plate parts outside the orifices of the measuring holes are cut according to a certain radian, in order to avoid measurement error caused by the liquid drop outside the orifices which splashes into the measuring holes after colliding with the measuring device; and the height of the rack is adjustable, so that the flow density distribution condition on different spraying cross sections is measured.
Owner:XI AN JIAOTONG UNIV

Seat slide device for vehicle

InactiveCN101801716APrevent peelingPeeling prevention of peelingMovable seatsEngineeringMechanical engineering
A seat slide device for a vehicle is small-sized and light-weighted and has assured strength. A lower rail (10) has a base section (11) extending facing the floor of the vehicle, two sheets of first inner sections (12) extending upward from the center of the base section (11) while being in close contact with each other, and reverse U-shaped lower hook sections (13) extending outward from the upper ends of the first inner sections (12). An upper rail (20) has a horizontal wall section (21) horizontal to the base section (11) and also has vertical wall sections (22) extending downward from opposite ends of the horizontal wall section (21). Installed in the upper rail (20) are joined sections (32) and hook members (30). The joined sections (32) are joined to the vertical wall sections (22) and extend downward. The hook members (30) have U-shaped upper hook sections (33) extending inward from the lower ends of the joined sections (32). When a load separating the lower rail (10) from the upper rail (20) is applied to the upper rail, the lower hook sections (13) and the upper hook sections (33) are engaged with each other.
Owner:AISIN SEIKI KK

Two-output-shaft motor, motor unit, power simulator, torsion testing device, rotational torsion testing device, tire testing device, linear actuator and vibration device

This two-output-shaft motor is equipped with: a cylindrical main frame; a substantially plate-like first bracket that is attached to one axial end of the main frame; a substantially plate-like second bracket that is attached to the other axial end of the main frame; and a drive shaft that runs through the hollow part of the main frame, penetrates through the first bracket and the second bracket, and is rotatably supported by bearings provided in the first bracket and the second bracket. One end of the drive shaft protrudes to the outside from the first bracket and forms a first output shaft for outputting a driving force to the outside, and the other end of the drive shaft protrudes to the outside from the second bracket and forms a second output shaft for outputting the driving force to the outside.
Owner:KOKUSAI KEISOKUKI KK

Seatbelt retractor and seatbelt device using the same

InactiveCN101472773AReduce movement trajectoryWon't interfereBelt retractorsSeat beltEngineering
A seat belt retractor of the present invention is provided with a stopper (16). When a cam follower (16a) of the stopper (16) is located in an arcuate retraction groove portion (22a) or a linear groove portion (22b) of a cam groove (22), a seat belt (4) is withdrawn by an amount exceeding a predetermined amount for the normal belt wearing. A stopper portion (16b) of the stopper (16) is located at an engagement allowing position (B) so as to allow engagement between ratchet teeth (27) of a locking gear (26) and an engaging pawl (24d) of a vehicle sensor (24). When the cam follower (16a) is located in an arcuate protraction groove portion (22c) of the cam groove (22), the maximum amount of the seat belt (4) is wound. The stopper portion (16b) of the stopper (16) is located at an engagement preventing position (A) so as to prevent the engagement between the ratchet teeth (27) and the engaging pawl (24d), thereby preventing end lock.
Owner:TAKATA CORPORATION

Vehicle sunroof device

A vehicle sunroof device includes a movable panel, guide rails, rear slide members, an electrical drive source, and chuck mechanisms. When the rear slide members are moved toward the front of the vehicle along the guide rails when the movable panel is in a totally closed state, the movable panel is changed to a tilt-up state. Chuck release mechanisms provided to the rear slide members are changed to an engaged state when the rear slide members are further moved toward the front of the vehicle with the movable panel in the tilt-up state and without involving operation of the movable panel. In the engaged state, when the rear slide members are moved toward the rear of the vehicle afterward, the chuck release mechanisms move the entire chuck mechanisms while switching the chuck mechanisms to a movable state. In the engaged state of the chuck release mechanisms, when the rear slide members are further moved toward the front of the vehicle without involving operation of the movable panel, the chuck release mechanisms are switched to an engagement released state in which the chuck release mechanisms are released from the chuck mechanisms.
Owner:AISIN SEIKI KK

Dust Cover Combination Body

The invention provides a dust cover combination body with a novel structure. Damage to the dust cover can be prevented due to the light and compact structure, so durableness of the dust cover can be improved. A snap cylinder part (28) is arranged over an axis direction of a rippled cylinder part (18) of the dust cover (14) made from resin; a snapping groove (32) and a plurality of insertion grooves (40) are formed in the snap cylinder part; the snapping groove opens towards the periphery of the snap cylinder part and circumferentially extends; the plurality of insertion grooves upwardly extend from the snapping groove; one the other hand, on an upper side isolation member (16), there is provided a snapping fixing protrusion part (68) protruding toward the internal periphery side and made from material harder than the upper side isolation member (16); the snap cylinder part of the dust cover is inserted into the upper side isolation member; the snapping fixing protruding part inserted into the snapping groove via the insertion grooves is fixed to the snapping groove in the axis direction when the dust cover rotates relatively to the upper side isolation member; and the upper end part of the dust cover is assembled onto the upper side isolation member, so the dust cover is supported.
Owner:SUMITOMO RIKO CO LTD

Emergency braking device of elevator

The invention provides an emergency braking device of an elevator, which does not cause large size and furthermore can control a braking force in braking in a range that does not exceed a preset value. The emergency braking device of the elevator presses a braking shoe on a guide rail and make the braking shoe slide on the guide rail for generating a braking force when an elevator cage drops in a speed which exceeds a limited speed. The emergency braking device of the elevator has components of: an upper elastomer and a lower elastomer which applies a pressing force to the guide rail on the braking shoe in braking; an oblique member with an oblique surface which opposes the oblique surface of the braking shoe at the opposite side of the guide rail; rollers which are arranged between the oblique surface of the braking shoe and the oblique surface of the oblique member; and an emergency braking device which supports the components. The emergency braking device of the elevator further comprises the components of: a second oblique member which opens the upper elastomer when the braking force exceeds a preset value, a third oblique member with an oblique surface which opposes the oblique surface of the second oblique member, and rollers which are arranged between the oblique surface of the second oblique member and the oblique surface of the third oblique member.
Owner:HITACHI LTD +1

Light apparatus for motorbike

Provided is a light apparatus for a motorbike, downsizing the head lamp which integrates with a clearance lamp and is configured to the handlebar cover. The light apparatus enhances the visual identity of a motorbike. In a light apparatus of a motorbike (1) having a luggage carrier in the front part, clearance lamps (91) and direction indicators are installed to a handlebar cover (7), wherein clearance lamps are respectively configured to the right and left side of the headlamp (8) while the direction indicators (92) are configured to the outboard of the clearance lamps (91) in the width direction of the motorbike. The clearance lamps (91) are separated from the front lamps and arranged between the headlamp (8) and the direction indicators (92). The clearance lamps and the direction indicators are independent from the headlamp (8) to form a direction indicator unit (9). The direction indicator unit comprises integrally formed clearance lamps and the reflectors of every direction indicator (911, 921) as well as a lens (101) which covers the front surface of the reflector.
Owner:HONDA MOTOR CO LTD

Cooling device for internal combustion engine

The present invention provides a cooling device for an internal combustion engine, capable of blocking gaps formed at a peripheral part of a blade plate to fully block a cooling air inlet when a movable blind window closes the cooling air inlet of a fan housing, so as to facilitate a heating machine during cold start. In the cooling device for the internal combustion engine having the movable blind window (60) capable of opening or closing the cooling air inlet (53) of the fan housing (50), housing side step parts (56u, 56l, 57u, 57l) are formed along an opening rim of the cooling air inlet (53) of the fan housing (50), blind window side step parts (61id, 61od) opposite to the housing side step parts (56u, 56l, 57u, 57l) are formed at the peripheral part of the blade plate (61) of the movable blind window (60), the blind window side step parts (61id, 61od) and the housing side step parts (56u, 56l, 57u, 57l) are abutted and superposed when the cooling air inlet (53) is closed through rotation of the blade plate (61).
Owner:HONDA MOTOR CO LTD

Fiber reinforcement for making an elongate mechanical part out of composite material

The invention relates to fiber reinforcement for making an elongate mechanical part (10) out of composite material having a lug (14) at at least one end for receiving a pin for making a pivot connection with another part, the fiber reinforcement being made from a central fiber structure (106; 106′) for forming a core that is obtained by three-dimensional weaving, from a peripheral fiber structure (16; 16′) that is to form a belt surrounding the central structure so as to form at least one empty cylindrical space in the lug of the part, and from at least one annular fiber structure (112; 112′; 112″) that is to form a ring that is formed inside the empty space provided between the central structure and the peripheral structure.
Owner:SN DETUDE & DE CONSTR DE MOTEURS DAVIATION S N E C M A +2

Energy-saving control method and system for river water source heat pump system

Provided are an energy-saving control method and system for a river water source heat pump system. The method comprises the following steps that S1, building standard cold and heat energy consumptionlarge data are built; S2, according to the building function, energy using time and load distribution difference, by combination with the building standard cold and heat energy consumption large data,building refinement partitioning is conducted, a cold and heat energy requirement dynamic curve of all subzones of a building is generated, and the dynamic curve is updated once at fixed intervals; and S3, according to the cold and heat energy requirement dynamic curve of the building, the large hysteresis quality and nonlinearity of an air conditioner system are considered, the river water source heat pump system is divided into an equipment starting stage, a steady-state operation stage and an equipment halt stage, and staged control is conducted; and the temperature changes of river waterare monitored in real time, and when the temperature difference of inlet and outlet water of a river water source heat pump unit exceeds the set value, corresponding water pumps are controlled in a variable-frequency mode, and the water flow is adjusted. The invention further discloses the energy-saving control system for the river water source heat pump system. The energy-saving control method and system for the river water source heat pump system have the advantages of being high in efficiency, stable, free of pollution, small in energy consumption, remarkable in energy-saving effect and thelike.
Owner:湖南湖大瑞格能源科技有限公司
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