37results about How to "Reduce power transmission losses" patented technology

Microscopic batteries, integratable or integrated with microelectromechanical systems or other microscopic circuits, including a MEMS microcircuit, and methods of microfabrication of such microscopic batteries are disclosed, among which comprise closed system microscopic batteries for internal storage of electricity using interval reactants only, which comprise microscopic electrodes, electrolyte and reservoir for the electrolyte.

Microscopic batteries, integratable or integrated with and integrated circuit, including a MEMS microcircuit, and methods of microfabrication of such microscopic batteries are disclosed.

Methods and apparatus for a vehicle drive control apparatus changes in the transfer torque capacity of a power transfer device according to various states of operation with respect to at least one drive power source. The vehicle drive control apparatus includes a power transfer device that has a variable transfer torque capacity and the drive power sources that rotate a device wheel via the power transfer device. A controller is included that causes a vehicle to selectively run in a variety of run modes that differ in states of operation with respect to at least one of the drive power sources. The controller changes the transfer torque capacity of the power transfer device in accordance with the various run modes. According to the vehicle device control apparatus, a target oil pressure is raised by a predetermined amount when the mode of run is change, or when the vehicle descends in a direction opposite to a vehicle starting direction at the time of a hill climb start.

A single-band type metallic belt wound between annular V-grooves of a drive pulley and a driven pulley is provided. The metallic belt includes a metal endless band having at least one layer, and a plurality of metal push blocks engaged and superimposed on the band in a manner enabling sliding in a longitudinal direction of the band. The push block includes a body formed by bending a single wire material and subsequently performing pressing so as to have two outer side surfaces defining side contact surfaces that are inclined to respectively make frictional contact with two inner surfaces of the annular V-grooves. A pair of pillars respectively extend along extensions of the two contact surfaces of the body and have an outer surface that is continuous with the side contact surfaces of the body. A pair of opposed hooks extend. The outer side surface of the push block that makes frictional contact with the V-grooves include an oil film breaking portion. An opening is defined by the pair of hooks, and a band holding surface is formed on the body in the opening. The band is inserted in the opening of each push block and held on the band holding surface. A metal retainer is arranged on an outer surface of the band in a manner engageable with the pair of hooks to ensure engagement between the band and the push blocks. A ring is attached to the outer surface of the retainer to prevent deformation of the retainer.

This invention discloses a direct drive spindle assembly including a main fork formed by a base and a parallel pair of spaced fork arms and rotated about a first rotational axis. Moreover, the direct drive spindle assembly includes a first drive established by a hollow housing, a first motor stator and a first motor rotor, wherein the first motor rotor coupled with the base of the main fork drives the main fork to rotate about the first rotational axis. Furthermore, the direct drive spindle assembly includes a second drive contained in a room between the fork arms of the main fork and established by a second motor stator concentric with a second rotational axis, a second motor rotor and a rotor transmission ring, wherein the second rotational axis is perpendicular to the first rotational axis and the second motor stator is coupled with the fork arms of the main fork. In addition, the direct drive spindle assembly includes a spindle box having an orthogonal cross structure. A first arm of the rotor transmission ring is coupled with the second motor rotor and a second arm of the structure is connected to a spindle head. The feature of the present invention is that after the second drive is fit in the room between the above-mentioned paired fork arms of the main fork and then combined with the base of the main fork and firmly locked in the right position, the whole structure can achieve preferred precision.

Microscopic batteries, integratable or integrated with and integrated circuit, including a MEMS microcircuit, and methods of microfabrication of such microscopic batteries are disclosed.

Methods and apparatus for a vehicle drive control apparatus changes in the transfer torque capacity of a power transfer device according to various states of operation with respect to at least one drive power source. The vehicle drive control apparatus includes a power transfer device that has a variable transfer torque capacity and the drive power sources that rotate a drive wheel via the power transfer device. A controller is included that causes a vehicle to selectively run in a variety of run modes that differ in states of operation with respect to at least one of the drive power sources. The controller changes the transfer torque capacity of the power transfer device in accordance with the various run modes. According to the vehicle drive control apparatus, a target oil pressure is raised by a predetermined amount when the mode of run is change, or when the vehicle descends in a direction opposite to a vehicle starting direction at the time of a hill climb start.

The generator of the present invention is a complete 220V or 120V AC solar electrical generator that is ready to be directly connected to utility power grid, and more than one of the generators can be connected in parallel to power the grid or to power an isolated electrical system. The generator is integrated with a solar panel that converts solar energy into electrical energy, a Max Power Point Tracking (MPPT) controller that dynamically adjust the output power of the generator to maximize the power of the solar energy, a high efficiency low harmonic digital signal process (DSP) technology based synthetic DC to AC converter that provides 220V or 120V AC power, a synchronizing controller that enables the generator to be connected to the utility power grid or connected to other generators, a power factor compensation unit that reduces the reactive power to improve power quality, a protection unit to prevent the generator from hazardous accident, an energy meter that measures the energy generated by the solar panel and the energy feed into the utility power grid, and a communication unit that sends the parameters such as the voltage, the current, the temperature of the solar panel, the efficiency and related data of MPPT, the timing of AC power and the other information about the generator to the other generators and central controller and receives the information and control commands from the other generators and central controller through AC wire or wirelessly. The generator can be optionally to be equipped with proper battery for some isolated applications.

A linear transfer mechanism includes a guide member, a transfer carriage movable along a horizontal linear transfer path provided on the guide member, and a drive mechanism provided with a drive pulley and an output belt wound around the drive pulley for reciprocating movement in a reciprocating movement section in parallel to the transfer path. The transfer mechanism also includes a drive source for driving the drive pulley. The transfer carriage is connected with the output belt of the drive mechanism by a connecting member. Both the drive mechanism and the drive source are supported by the guide member.

A power distribution system includes: a remote electricity monitoring device which is provided at each power supply destination, and remotely reads, via communication means, an consumed power amount and an surplus power amount stored in a power storage device at each supply destination; and a management server which manages the power supply of each supply destination while collecting, via the communication means, the consumed power information and the surplus power information, both of which are read by the remote electricity monitoring device. The management server distributes the power among the supply destinations in line with the relationship between the power amounts based on the consumed power information and surplus power information.

A vehicle motive power transmission apparatus includes: a planetary gear device; an oil pump for sucking oil present in an apparatus case; a one-way clutch that transmits normal-direction rotation output of the planetary gear device to the oil pump, but does not transmit reverse-direction rotation output of the planetary gear device to the oil pump; an oil tank which is provided in the apparatus case, and which is provided with a first introduction portion that receives oil that is splashed upward as a gear in the apparatus case rotates in a normal direction, and a second introduction portion that receives oil that is splashed upward as the gear rotates in a reverse direction; and an oil passageway that supplies the planetary gear device with oil present in the oil tank or oil sucked by the oil pump.

An electric motor vehicle of the present invention is characterized in that the electric motor vehicle includes: a high-output assembled battery; a high-capacity assembled battery having a larger capacity and a smaller output than those of the high-output assembled battery; and an inverter, and the electric motor vehicle is equipped with a PCU that transmits and receives electric power to and from the high-output assembled battery and the high-capacity assembled battery, a first wiring that connects the high-output assembled battery to the PCU, and a second wiring that connects the high-capacity assembled battery to the PCU, and is shorter than the first wiring.

Provided is a charging and discharging device that does not need to use a high voltage capacitor even if a shielding switch is provided in an assembled battery for the sake of convenience of maintenance, and the like. The charging and discharging device includes: capacitors for connecting control terminals of adjacent circuit blocks, the shielding switch interposed between the adjacent battery modules, and a transformer interposed between the control terminals corresponding to the adjacent battery modules.

A power unit which makes it possible to reduce power transmitted from a prime mover to a driven part via an electrical path, to thereby increase the efficiency of driving the driven part. A first rotating machine of the power unit inputs and outputs energy between a stator and first and second rotors thereof, via magnetic circuits formed by generation of a rotating magnetic field, and the rotating magnetic field, and the rotors rotate while maintaining a linear relation in which respective differences in rotational speed between the rotating magnetic field and the second rotor, and between the second and first rotors are equal. The rotors are mechanically connected to a prime mover and a transmission, respectively. A second rotating machine of the power unit is mechanically connected to a drive part without via the transmission, and electrically connected to the stator.

The invention discloses a direct speedup type continuous variable transmission chain structure of a wind power generation set. The direct speedup type continuous variable transmission chain structure comprises a wind wheel main shaft, a speed regulation output shaft, a transmission speedup mechanism and a speed regulation transmission mechanism, wherein the wind wheel main shaft and the speed regulation output shaft are arranged in a wheel hub; the wind wheel main shaft is fixedly connected with the speed regulation output shaft through the transmission speedup mechanism; the speed regulation output shaft is connected with the speed regulation transmission mechanism; the speed regulation output shaft is connected with a subsequent power generator device after speed regulation through the speed regulation transmission mechanism; the transmission speedup mechanism comprises an eccentric sleeve, a second bearing, a radial sliding column, a rotating wheel and an inner gear ring; the speed regulation transmission mechanism comprises a driving shaft, a driving friction piece, a driven friction piece, a hydraulic cylinder control type annular piston and a driven shaft. According to the direct speedup type continuous variable transmission chain structure of the wind power generation set, the direct speedup can be implemented, the structure is compact, the size is small, the weight is light, and the rotating speed can be continuously regulated.

A linear transfer mechanism includes a guide member, a transfer carriage movable along a horizontal linear transfer path provided on the guide member, and a drive mechanism provided with a drive pulley and an output belt wound around the drive pulley for reciprocating movement in a reciprocating movement section in parallel to the transfer path. The transfer mechanism also includes a drive source for driving the drive pulley. The transfer carriage is connected with the output belt of the drive mechanism by a connecting member. Both the drive mechanism and the drive source are supported by the guide member.

A power unit which makes it possible to reduce power transmitted from a prime mover to a driven part via an electrical path, to thereby increase the efficiency of driving the driven part. A first rotating machine of the power unit inputs and outputs energy between a stator and first and second rotors thereof, via magnetic circuits formed by generation of a rotating magnetic field, and the rotating magnetic field, and the rotors rotate while maintaining a linear relation in which respective differences in rotational speed between the rotating magnetic field and the second rotor, and between the second and first rotors are equal. The rotors are mechanically connected to a prime mover and a transmission, respectively. A second rotating machine of the power unit is mechanically connected to a drive part without via the transmission, and electrically connected to the stator.

An electric motor vehicle including: a high-output assembled battery; a high-capacity assembled battery having a larger capacity and a smaller output than those of the high-output assembled battery; and an inverter, and the electric motor vehicle is equipped with a PCU that transmits and receives electric power to and from the high-output assembled battery and the high-capacity assembled battery, a first wiring that connects the high-output assembled battery to the PCU, and a second wiring that connects the high-capacity assembled battery to the PCU, and is shorter than the first wiring.

A vehicle includes a vehicle interior, a battery provided below the vehicle interior with a floor panel in between, a front room provided in front of the vehicle interior with a dashboard in between, a charging port disposed in the front room, and a junction box which electrically connects a first power line extending from the charging port and a second power line extending from a power line connection portion of the battery. The junction box is disposed on a virtual line connecting the charging port and the power line connection portion in a side view.

The invention relates to a hydrodynamic transmission for a light vehicle. An oil pump driving sleeve and a supporting shaft are installed on a box body; an oil pump arranged in the box body is connected with the oil pump driving sleeve; a power take-off window is formed in the position, at the horizontal part of an input shaft, of the box body; a connection gear arranged on a guide wheel base in a sleeving mode is engaged with an oil pump connection gear arranged on the pump driving sleeve through two power takeoff gears on the supporting shaft; a first shaft and a second shaft are each provided with a wet clutch and a corresponding driving gear; driven gears installed on the first shaft and the second shaft are engaged with two input gears of the input shaft correspondingly; all driving gears on the first shaft and the second shaft are engaged with an output shaft gear, a high-gear output gear and a low-gear output gear on an output shaft correspondingly; and a reverse-gear clutch Kr and a reverse-gear driving gear on a reverse-gear shaft are engaged with the wet clutch on the first shaft and the low-gear output gear correspondingly, and are matched with a lockup clutch, so that output with six forward gears and one reverse gear is achieved. The hydrodynamic transmission is ingenious and compact in structure and flexible in operation, has the multiple gears, and can adapt to different working conditions of the light vehicle.

The motor 31 is made into one body with a deceleration transmission mechanism D for decelerating motor power, so as to obtain one power module M. Thus, the structure of the power transmission mechanism from the motor 31 to the cutter 15 is simplified simultaneously with raising transmission efficiency. The unitized power module M is utilized as a power source for the different kinds of electric razors. Power decelerated by the deceleration transmission mechanism D is transmitted to the cutter 15 via a succeeding stage transmission mechanism E. The deceleration transmission mechanism D includes a planet gear mechanism, so as to obtain a prescribed deceleration ratio, while minimizing the engagement part of gears, to suppress the generation of gear noise. The succeeding stage transmission mechanism E includes a wrapping transmission mechanism with an endless belt 135 as a transmission element. The noise, therefor, is prevented from being generated in the succeeding stage transmission mechanism E, and a noise level is lowered in the outer part of the electric razor.

The invention relates to a preparation method of a graphene copper-magnesium alloy contact line. The preparation method of the graphene copper-magnesium alloy contact line includes following steps: providing powder of graphene copper-magnesium alloy; adopting hot isostatic pressing to sinter the powder of the graphene copper-magnesium alloy into a graphene copper-magnesium alloy ingot blank; manufacturing the graphene copper-magnesium alloy ingot blank into a rod blank; performing continuous extrusion on the rod blank, and obtaining a graphene copper-magnesium alloy rod material; and performing cold drawing on the graphene copper-magnesium alloy rod material according to preset size and a preset shape, and obtaining the graphene copper-magnesium alloy contact line, wherein graphene is added in a powder type, and weight percentage content of the graphene is 0.01%-0.20% in the powder of the graphene copper-magnesium alloy. The invention further discloses the graphene copper-magnesium alloy contact line prepared by using the method. The graphene copper-magnesium alloy contact line has tensile strength at 520-580Mpa, has electric conductivity at 75-80%IACS (international annealed copper standard), can simultaneously meet requirements of a high speed railway for the high strength and the high electric conductivity of the contact network guide line, and effectively reduces power transmission loss.

A running toy having: a direct current motor for steering which is remote controlled; and a steering arm to change a direction of a wheel, the steering arm being operated from side to side with respect to a vehicle body by a power of the direct current motor for steering, wherein a rack tooth is formed on the steering arm, the direct current motor for steering is allowed to perform a normal rotation and a reverse rotation, and a pinion gear which meshes the rack tooth is attached to a shaft of the direct current motor for steering via a centrifugal clutch.

The invention relates to a hub drive device for a vehicle and a hub drive vehicle. The hub drive device comprises a motor, a first retarding stage, a second retarding stage and a hub. The torque of the motor is transmitted to the hub through the first retarding stage and the second retarding stage, wherein the first retarding stage and the second retarding stage are designed into planetary gear transmission mechanisms with the same rotating axis, and the torque output end of the first retarding stage and the torque input end of the second retarding stage are in anti-torque connection. A rotorof the motor also has the same rotating axis as that of the first retarding stage and that of the second retarding stage, and the rotor is in transmission connection with the first retarding stage. The hub has the same rotating axis as that of the second retarding stage, that of the first retarding stage and that of the rotor, and the hub penetrates through the second retarding stage, the first retarding stage and the rotor in sequence. According to the hub drive device and the hub drive vehicle,a large transmission ratio can be obtained through a short transmission chain, energy loss is reduced, and the whole compactness and the stability of the hub drive device are improved.

The invention discloses an intelligent center control type solar energy family roof grid-connected power generation system and an operating method of the intelligent center control type solar energy family roof grid-connected power generation system. A roof photovoltaic module output end is connected with an inverter and sends photovoltaic energy to a power grid through a grid-connection switch and a bi-directional metering device. The intelligent center control type solar energy family roof grid-connected power generation system and the operating method of the intelligent center control type solar energy family roof grid-connected power generation system are characterized in that an intelligent measuring and controlling main machine and a security monitoring unit are arranged in the system, and a roof photovoltaic module, the inverter, the grid connected switch and the security monitoring unit are respectively connected with the intelligent measuring and controlling main machine and perform signal transmission and communication. The intelligent measuring and controlling main machine is connected with a monitoring system main station through a telecommunication network. The intelligent center control type solar energy family roof grid-connected power generation system and the operating method of the intelligent center control type solar energy family roof grid-connected power generation system can be operated in a grid-connection mode and a grid-separation mode so as to save family power consumption and also contribute to peak clipping and valley filling of a public power grid. Connection into the public power grid is achieved by interactive authentication control by operation staff through the monitoring system main station, and a grid-connection state of distributed power stations is ensured though the islet effect exists. The position of the grid-connection switch is confirmed through the security monitoring unit in a remote mode, and safety and states of the devices of the power stations are monitored. The intelligent center control type solar energy family roof grid-connected power generation system and the operating method of the intelligent center control type solar energy family roof grid-connected power generation system are easy to achieve and convenient to popularize.

The invention discloses a high-strength and low-loss cable conductor material, which comprises the following raw materials and proportions in terms of mass percentage: Ag: 1.46-3.77%; W: 2.9-4.3%; CuCe: 2.8-4.7%; CuCr: 5.7- 9.6%; CuTi: 2.9-4.3%; Cu: balance. The invention also discloses a preparation method of a high-strength and low-loss cable conductor material, which includes the following steps: alloy smelting, continuous casting and rolling, pressure processing and performance heat treatment. The invention also discloses the application of a high-strength and low-loss cable conductor material in cables. Continuously distributed Cu is formed at the grain boundary of the high-strength and low-loss cable conductor material of the present invention 51 Ag 14 Ce 7 Alloy phase, a large amount of Cr dispersed around the grain boundary 2 The TiW alloy phase makes the invention have the characteristics of high strength, high conductivity and low loss.