54results about How to "Increased size and weight" patented technology

A device is provided for preventing arcing between contacts of a switching device as the contacts of the switching device are opened. The device includes a coil suppression circuit connected in parallel with the coil. The coil suppression circuit dissipates the energy stored in the coil in response to the de-energization of the coil. A first solid state switch has a gate operatively connected to the coil suppression circuit and is connected in parallel with the contacts. The first solid state switch is movable between an open position preventing the flow of current therethrough and a closed position in response to the dissipation of energy by the coil suppression circuit.

One aspect of the present invention relates to an integrated circuit package that includes multiple layers of a planarizing, photo-imageable epoxy that are formed over a substrate. In some designs, the substrate is a silicon wafer. An integrated circuit is embedded in the epoxy. An antenna, which is electrically coupled to the active face of the integrated circuit through an interconnect layer, is formed over one of the epoxy layers. In various embodiments, at least some of the epoxy layers are positioned between the substrate and the antenna such that there is a distance of at least approximately 100 microns between the substrate and the antenna.

A laser beam temporally modulated in amplitude by a modulator and shaped into a long and narrow shape by a beam shaper is rotated around the optical axis of an image rotator inserted between the beam shaper and a substrate. Thus, the longitudinal direction of the laser beam having the long and narrow shape is rotated around the optical axis on the substrate. In order to perform annealing in a plurality of directions on the substrate, the laser beam shaped into the long and narrow shape is rotated on the substrate while a stage mounted with the substrate is moved only in two directions, that is, X- and Y-directions. In such a manner, the substrate can be scanned at a high speed with a continuous wave laser beam modulated temporally in amplitude and shaped into a long and narrow shape, without rotating the substrate. Thus, a semiconductor film can be annealed.

A brushless motor includes: a motor case 41 in which a cylindrical stator core 42 formed from steel plate by press molding is secured; a bracket 48 on one side in an axial direction of a motor case, a tip side of a rotary shaft 46 secured to a rotor 45 being rotatably supported by the bracket; and a housing member 51 on the other side in the axial direction of the motor case, a control device 52 for controlling the rotation of the rotor being accommodated in the housing member, the control device having a power-related circuit board 53 disposed on the side of a bottom 51b of the housing member and a control-related circuit board 54 disposed on the side of an opening of the housing member, semiconductor switching devices SW being disposed on the power-related circuit board in contact with the housing member.

An automatic transmission includes a single-pinion first planetary gear, a double-pinion second planetary gear, a single-pinion third planetary gear, a single-pinion fourth planetary gear, clutches C1, C2, C3, and C4, and brakes B1 and B2. First to ninth forward speeds and a reverse speed are established by engaging three of the clutches C1 to C4 and the brakes B1 and B2 and disengaging the remaining three clutches and brakes.

The invention relates to an combined navigation and photoelectric detection integrative system, which comprises an inertia measurement unit IMU, a GPS receiving system, an integrated computer and a photoelectric sight-stabilizing instrument, wherein the inertia measurement unit IMU comprises three gyroscopes and three accelerometers; the integrated computer acquires the output information of the inertia measurement unit IMU and the GPS receiving system to realize that (1) inertia and GPS combined navigation resolving is carried out by combining a strapdown inertial navigation resolving algorithm and a Kalman filtering algorithm to obtain the position, the speed and the attitude of a carrier, and meanwhile estimate the drift of the gyroscopes of the inertia measurement unit IMU; (2) the stable instruction angular speed of an optical axis is calculated and the photoelectric sight-stabilizing instrument is controlled to realize the stability of the optical axis, the gyroscope drift estimated by the combined navigation system is utilized to compensate the stable error of the optical axis to improve the stable precision of the optical axis of the photoelectric sight-stabilizing instrument; and (3) the target search instruction angle is calculated and the photoelectric sight-stabilizing instrument is controlled to rapidly search and lock a target by utilizing the position and the attitude information obtained by combined navigation resolving by combing the position information of the target. The invention greatly reduces the volume, the weight and the cost of the system and meanwhile improves the performance of subsystems.

A variable displacement vane pump includes: a cam ring defining first and second fluid pressure chambers on both sides thereof; and a rotor mounted inside the cam ring, the rotor defining an annular chamber outside thereof. Arranged outside of the rotor, vanes divide the annular chamber into a plurality of pump chambers. A suction port is defined in a section of the annular chamber in which each of the pump chambers expands with the rotation of the rotor, while a discharge port is defined in a section of the annular chamber in which each of the pump chambers contracts with the rotation of the rotor. A first fluid passage is connected to one of the first and second fluid pressure chambers. A second fluid passage is connected to one of the suction port and the discharge port. An electromagnetic valve controls fluid communication between the first and second fluid passages.

A probe card conveyor 10 comprises a probe card conveyor 10, a body 12 provided with the probe card conveyor 10, and coupling mechanisms 13 provided in a plurality of positions on that side of the body 12 which is opposed to the probe device 20 and coupled individually to four coupled fittings 22 of the probe device 20. Further, the probe card conveyor 10 comprises a probe card mounting mechanism 17 for transferring a probe card 21 in the Y-direction and a lift mechanism 18 for raising and lowering the probe card mounting mechanism 17.

A wafer is loaded on a wafer stage and unloaded from a wafer stage, using a chuck member which holds the wafer from above in a non-contact manner. Accordingly, members and the like to load / unload the wafer on / from the wafer stage do not have to be provided, which can keep the stage from increasing in size and weight. Further, by using the chuck member which holds the wafer from above in a non-contact manner, a thin, flexible wafer can be loaded onto the wafer stage as well as unloaded from the wafer stage without any problems.

A device is provided for preventing arcing between contacts of a switching device as the contacts of the switching device are opened. The device includes a coil suppression circuit connected in parallel with the coil. The coil suppression circuit dissipates the energy stored in the coil in response to the de-energization of the coil. A first solid state switch has a gate operatively connected to the coil suppression circuit and is connected in parallel with the contacts. The first solid state switch is movable between an open position preventing the flow of current therethrough and a closed position in response to the dissipation of energy by the coil suppression circuit.

The invention discloses a pretreatment method for preparation of biomass fuels by comprehensive utilization of all components of plant straw, and relates to the field of comprehensive utilization of all components of plant straw, wherein the pretreatment method comprises the steps: plant straw after being cut into sections is successively subjected to washing treatment for two times before and after steam explosion, steam explosion treatment, extrusion treatment, crushing treatment, pre-enzymolysis treatment, cracking treatment, and enzymolysis treatment, and finally a pre-product for preparing the biomass fuels is obtained; a straw washing liquid obtained after washing treatment and an extrusion liquid obtained after extrusion treatment are used for producing marsh gas, and a liquid, gas and solid biomass fuels can be obtained after the pre-product is treated. The method realizes separation and high-valued complete utilization of the all components of the plant straw, namely hemicellulose, cellulose, lignin and a small amount of components, can achieve no pollutant emission, and has the advantages of easy industrialization operation, good economic benefits, and remarkable comprehensive social benefits.

A probe card conveyor 10 comprises a probe card conveyor 10, a body 12 provided with the probe card conveyor 10, and coupling mechanisms 13 provided in a plurality of positions on that side of the body 12 which is opposed to the probe device 20 and coupled individually to four coupled fittings 22 of the probe device 20. Further, the probe card conveyor 10 comprises a probe card mounting mechanism 17 for transferring a probe card 21 in the Y-direction and a lift mechanism 18 for raising and lowering the probe card mounting mechanism 17.

A continuously variable transmission has an input pulley assembly connected to a first transfer pulley assembly with a first chain and a second transfer pulley assembly connected to an output pulley assembly with a second chain. The first transfer pulley assembly and the second transfer pulley assembly shaft a common shuttle disk that moves axially on a countershaft that carries the first and second transfer pulleys. The input pulley assembly and the output pulley assembly are generally axially aligned and a bearing carrier is positioned between the pulleys. A high pressure fluid supply system reduces or eliminates axial loading on the shafts of the transmission.

The invention provides a train moving die experiment system, wherein the power device is constituted by a compression air ejection mechanism, a barrow and a flywheel accelerating mechanism; the flywheel accelerating mechanism is constituted by a plurality of flywheels driven by a motor below the line support rear area; the vertical position of the barrow is arranged between the flywheel accelerating mechanism and the line support; the horizontal position thereof is arranged between a testing car and the compression air ejection mechanism; the catch bar on the upper surface of the barrow penetrates through a guiding groove of the line support upwards and aligns with the tail part of the testing car; the line support in front of the flywheel accelerating mechanism is provided with a hydraulic barrow interceptor which has the same vertical position with the barrow; and the ejection rod of the compression air ejection mechanism is aligned with the tail part of the barrow. The system has strong power, the testing car has great shape and heavy weight, the testing car can reach a higher speed in a shorter time, the experiment environment is more close to the real conditions and the experiment results are more reliable.

A control system for an automatic transmission that does not require a cut-off valve, and that can inhibit a reverse control even if a detection unit for detecting a shift range fails. The control system includes a first friction engagement element, which is engaged in predetermined forward and reverse shift speeds, a detection unit that detects a shift range from shift ranges that include a forward range and a reverse range; a failure judgment unit for judging failure of the detection unit, and an avoidance unit for shifting to a forward shift speed that does not engage the first friction engagement element if the failure judgment unit determines that the detection unit has failed.

The invention relates to a tube type heat exchanger, in particular to the tube type heat exchanger and application of the tube type heat exchanger in a direct alcohol fuel cell system. In the invention, foam metal is used as a heat exchanging sheet outside the tube of the heat exchanger and connected with a corrosion resistance tube through welding, sticking, swelling connection and other connection manners, air is used to condensate water vapor discharged by a fuel cell, and the liquid level or the air humidity in a solution mixing cavity is used to control the on / off of a cooling fan, thereby achieving the water-heat balance of the direct alcohol fuel cell system. Compared with the prior art, the method is beneficial to maintain the water-heat balance of the fuel cell system under the variable ambient humidity conditions; and the heat exchanger has high heat exchange efficiency, small volume and light weight, is beneficial to improve the integrated level of a system, is suitable for emergency supply, electronics supply and power source which demand high energy.

An exemplary portable electronic device includes a main body, a cover movably connected with the main body, a piezoelectric sensing unit, and a signal processing unit. The piezoelectric sensing unit is partially positioned on the main body and the cover. The piezoelectric sensing unit generates elastic deformation due to the relative displacement of the cover and the main body to generate a corresponding command signal. The signal processing unit is electrically connected to the piezoelectric sensing unit, and capable of actuating different modes of the portable electronic device according to the command signal.

In a brushless wiper motor, a rotor (33) is rotatably provided inside a stator (32) provided with a coil (32b), one end side of a rotation shaft (34) in the axial direction is fixed to the axial center of the rotor (33), a worm (35) is provided on the other end side of the rotation shaft (34) in the axial direction, the first and second bearings (36, 37) are respectively provided on one end side of the rotation shaft (34) in the axial direction and the other end side of the rotation shaft (34) in the axial direction than the worm (35) of the rotation shaft (34), the rotation shaft (34) is rotatably supported by only the first and second bearings (36, 37), and with the position of the first bearing (36) being defined as a reference position, a length thereof in the axial direction to the second bearing (37) is longer than a length thereof in the axial direction to the rotor (33). Since a commutator and other parts are not provided on a free end side of the rotation shaft (34), it is possible to provide a brushless wiper motor reduced in length of the rotation shaft (34), and reduced in inertial mass of the free end side of the rotation shaft (34).

A differential with a fully automatic mechanical differential lock provided by the present invention includes a differential case, a differential cover, a differential lock, an output shaft, a driven gear, a transmission mechanism, and a planetary gear. The differential cover , the driven gear and the transmission mechanism are installed in the differential case; the differential cover and the transmission mechanism are meshed through gears, the differential lock and the output shaft are installed in the differential cover, and the differential lock is installed on the output shaft , the output shaft includes a right half shaft and a left half shaft symmetrically installed in the differential cover. The right half shaft and the left half shaft are meshed through planetary gears. When the vehicle slips, the slider slides The block is in contact with the inner wall of the round hole of the outer ring body. At this time, the axle gear and the differential case rotate at the same speed, and the differential is in a locked state; The inner wall surface of the circular hole enables the differential gear to be released from the locked state. As a result, the differential can be automatically locked and unlocked according to the running state of the vehicle, which solves the inconvenience of manually locking the differential and improves the passability of the vehicle.

A gearbox includes an input shaft and an output shaft; a first epicyclic gear connected to the input shaft; a second epicyclic gear connected to the first epicyclic gear; a first electrical machine connected to the first epicyclic gear; a second electrical machine connected to the second epicyclic gear; a first gear pair arranged between the first epicyclic gear and the output shaft; and a second gear pair arranged between the second epicyclic gear and the output shaft; a first planet gear carrier in the first epicyclic gear connected to a second sun gear in the second epicyclic gear; a first sun gear in the first epicyclic gear connected to a first main shaft; and a second planet gear carrier in the second epicyclic gear is connected to a second main shaft.

The purpose of the invention is to provide a dead load detection test method implemented by employing a novel dead load detection tester. The method employs liquid as the counterweight material to make loading, unloading and transportation convenient, the counterweight is easy to control and capable of preventing load eccentricity, thereby greatly decreasing the test cost of the groundwork bearing capability test and increasing the security of the dead load test. The dead load detection tester is composed of a counterweight load, a load support, a jack and a detector, the counterweight load is a liquid container filled with liquid.

In a brushless wiper motor, a rotor (33) is rotatably provided inside a stator (32) provided with a coil (32b), one end side of a rotation shaft (34) in the axial direction is fixed to the axial center of the rotor (33), a worm (35) is provided on the other end side of the rotation shaft (34) in the axial direction, the first and second bearings (36, 37) are respectively provided on one end side of the rotation shaft (34) in the axial direction and the other end side of the rotation shaft (34) in the axial direction than the worm (35) of the rotation shaft (34), the rotation shaft (34) is rotatably supported by only the first and second bearings (36, 37), and with the position of the first bearing (36) being defined as a reference position, a length thereof in the axial direction to the second bearing (37) is longer than a length thereof in the axial direction to the rotor (33). Since a commutator and other parts are not provided on a free end side of the rotation shaft (34), it is possible to provide a brushless wiper motor reduced in length of the rotation shaft (34), and reduced in inertial mass of the free end side of the rotation shaft (34).

The invention provides a towed line array head-rope mini-type connecting structure which comprises a conical hole nut, a conical hole screw rod and head-ropes. The head-ropes comprise the first head-rope and the second head-rope connected with the first head-rope. The inner surface of the conical hole nut is connected with the outer surface of the first head-rope. The inner surface of the conical hole screw rod is connected with the outer surface of the second head-rope. The conical hole nut is in threaded connection with the conical hole screw rod. High-strength reliable connection of broken kevlar ropes can be quickly achieved in small space in a towed line array PU sheath, maintenance time is remarkably shortened, and maintenance cost is remarkably reduced. Chamfers of 1 mm are formed at the through hole end of the conical hole nut and the through hole end of the conical hole screw rod, the towed line array head-rope mini-type connecting structure is suitable for the towed line array winding and bending state, and the kevlar ropes are prevented from being damaged by sharp corners.

The invention relates to a drug reacting on the reproductive system of the mammalian, in particular to a drug which can be used for improving reproductive ability and sexuality of the male mammalian. The drug is characterized in that: more specifically, the drug is one of optical isomers in the 2-[(diphenylmethyl) sulfinyl] acetamide, namely (+)-2-[(diphenylmethyl) sulfinyl] acetamide and derivatives. The drug has the advantages that: the drug can be used for promoting increase of the quantity and improvement of the quality (such as survival rate, active degree and morphology of the sperm) of the sperm of the male mammalian, increasing the volume and the weight of the testis and improving sexuality; thus the drug can be used for improving reproductive ability and sexuality of the male mammalian and promoting reproductive health.

The invention discloses a redundant driving type multi-safety redundancy steering engine. The steering engine comprises a controller, a driver and motors (1), wherein the two motors (1) are connectedwith lead screws correspondingly, the two lead screws are arranged in parallel and are opposite in rotation direction, and nuts on the lead screws are installed on a retainer (3) through bearings (4);and synchronous pulleys (5) are installed at the end parts of the nuts (5), a synchronous belt (6) is installed between the two synchronous pulleys (5), and the retainer (3) is connected with a rudder shaft (7). According to the steering engine, a system has double redundancy, so that the reliability of the steering engine is guaranteed.

A control system for an automatic transmission that does not require a cut-off valve, and that can inhibit a reverse control even if a detection unit for detecting a shift range fails. The control system includes a first friction engagement element, which is engaged in predetermined forward and reverse shift speeds, a detection unit that detects a shift range from shift ranges that include a forward range and a reverse range; a failure judgment unit for judging failure of the detection unit, and an avoidance unit for shifting to a forward shift speed that does not engage the first friction engagement element if the failure judgment unit determines that the detection unit has failed.