3551 results about "Variator" patented technology

A derailleur hanger includes a first portion and a second portion. The first portion includes a first part and a second part extending from the first part. The second part includes an axle receiving bore configured to receive a hub axle. The second portion is configured to support a derailleur. The first part includes a frame contact surface disposed in a reference plane extending perpendicular to a center axis of the hub axle in an installed state where the derailleur hanger is mounted to the hub axle. The second portion includes a first surface disposed on a first side of the reference plane. A vehicle center plane is positioned at a second side of the reference plane in the installed state. The second part is disposed on the first side in the installed state, and is disposed at least partially farther from the reference plane than the first surface.

A hybrid system for drones and other modes of transport. A combustion engine provides range and / or lifting capacity for drones while electric motors / generators provide both control and maneuverability. One or more combustion engines, in conjunction with one or more electric motors / generators form a propulsion system whereby each is connected to and drives its own driving pinion in one or more planetary gear sets, and provide continuously variable transmission for driving propellers or driveshafts. The combustion engine may be connected directly to one of the planetary gear's driving pinions, or can drive one of the planetary gear's driving pinions. If the propellers are only driven by either a combustion engine, or an electric motor / generator, the other engine / motor will be kept at rest by a braking device for a combustion engine or a braking device for an electric motor / generator.

A motorcycle that inhibits damage to a transmission and a clutch. The motorcycle includes: a drive motor; a transmission; a clutch that connects or disconnects power transmission between the transmission and the drive motor; a mechanical oil pump that is driven by the drive motor to supply a coolant to the drive motor and the transmission; and a control portion that drives the drive motor to supply the coolant to the drive motor and the transmission if an accelerator operation is not detected and a neutral state is detected, or if an accelerator operation is not detected and a disconnected state of the clutch is detected.

A motor vehicle including a drive unit with an electric machine, wherein the electric machine is a directly cooled electric machine, a transmission, a first cooling loop for cooling assemblies of the directly cooled electric machine using a first dielectric coolant which flows directly around respective assemblies of the electric machine, a second cooling loop for cooling the transmission using a second coolant designed as a transmission oil, and a third cooling loop using a third coolant. The first cooling loop and the third cooling loop are coupled via a first heat exchanger, and the second cooling loop and the third cooling loop are coupled via a second heat exchanger.

A moving part of the short flexible cylinder active complex parallel radial harmonic transmission is composed of a thin-wall composite short flexible cylinder and two rolling wave generators with roller pins or ball-retainer assemblies. A flexible bearing low-speed moving ring raceway is integrated on one side of the gear, and a full-cylinder-length gear is arranged on the other side of the gear; the two semi-short shafts are fixedly connected to the two ends of a motor rotor respectively, are integrated with flexible bearing high-speed moving ring raceways and are the same in structure size, and a semi-short shaft at one end needs to be coplanar with a semi-long shaft at the other end, so that the two ends of the semi-short shafts generate time-varying radial antisymmetric deformation; the static part is composed of end covers which are fixedly connected to the two ends of the motor stator and provided with rigid gears. A double-convex-arc raceway of a high-speed moving ring of the flexible needle bearing is designed, a convexity needle roller with the middle concave structure dynamically constraining the axial movement amount of a short flexible cylinder and a retainer and various structures facilitating rolling body assembly are used, and a waveform raceway calculation formula of a wave generator for the needle roller is given; therefore, the radial size and the axial size of the active complex radial harmonic transmission can be reduced on the basis of ensuring the transmission precision and the bearing capacity.

To provide a work vehicle with a hybrid transmission that shifts power from an engine to output to a front traveling unit which can extend forward, while unnecessitating shape change of a transmission case and preventing circulation of lubricant between an electrically-driven transmission chamber and a gearwheel transmission chamber, a front transmission shaft from the gearwheel transmission part.SOLUTION: A work vehicle comprises: an electrically-driven transmission chamber 16; a transmission case 11 which forms a gearwheel transmission chamber 17 positioned at the rear side of the electrically-driven transmission chamber 16 and is to be a partition between the gearwheel transmission chamber 17 and the electrically-driven transmission chamber 16; a front transmission shaft 70 which extends forward from the gearwheel transmission part to perform power transmission to a front traveling device; and a cylindrical member 73 which is arranged in the transmission case 11 to form a power transmission path 74 separated from the electrically-driven transmission chamber 16 passing through the electrically-driven transmission chamber 16 in a cross direction in which the front transmission shaft 70 passes through the power transmission path 74.SELECTED DRAWING: Figure 3

A method for controlling a variable supercharger (501) for an engine system (500), comprising: Pressurizing an intake air (510) by a compressor (508) of the variable supercharger (501), Driving the variable supercharger (501) with a gearbox (522), Receiving, at a control unit (530), a desired first condition for the intake air (510) from the engine system (500), Calculating, at the control unit (530), a second state of the intake air (510) from the operating speed of the engine system (500) and from operating conditions of the engine system (500) corresponding to the desired first state, Determining a desired compressor speed (536) corresponding to the desired first state and the second state of the intake air (510) from a compressor map (540), Switching the transmission (522) to drive the compressor (508) to the desired compressor speed (536) to provide the desired first intake air condition (510) to the engine system (500), wherein the first state of the intake air (510) is a boost pressure (132) of the intake air (510) and the second state of the intake air (510) is a mass flow rate of the intake air (510).

A transmission arrangement for a vehicle, the transmission arrangement comprising a first input shaft comprising a first input shaft gear wheel rotationally fixed to the first input shaft, a second input shaft comprising a second input shaft gear wheel rotationally fixed to the second input shaft, a transmission shaft drivingly connectable to a pair of wheels of the vehicle, the transmission shaft comprising a transmission gear wheel rotationally fixed to the transmission shaft, the transmission gear wheel being arranged in meshing engagement with the first input shaft gear wheel, and a countershaft comprising a first countershaft gear wheel arranged in meshing engagement with the transmission gear wheel, and a second countershaft gear wheel arranged in meshing engagement with second input shaft gear wheel, wherein the second input shaft is drivingly connectable to the transmission shaft via the countershaft.

A vehicle system, for a vehicle that implements a car wash mode, includes a shifter configured to move the vehicle between Park, Reverse, Neutral, and Drive (PRND) positions, an ignition button, and a brake system including a parking brake. A controller is programmed to determine the shifter has been moved to the Neutral position, determine the ignition button has been pressed a predetermined number of times within a predetermined time, determine a grade of the vehicle is below a predetermined threshold grade indicating a substantially flat surface, determine a speed of the vehicle is below a predetermined car wash speed, and initiate a car wash mode based on the shifter being in the Neutral position, the ignition button being pressed the predetermined number of times, the determined grade being below the predetermined threshold grade, and the determined speed being below the predetermined car wash speed.

A drive unit has first and second electrical machines arranged axially parallel, a manual gearbox arranged axially parallel to the electrical machines, a differential, a drive shaft, an output shaft, and a positive-locking shift unit having a first shift element, a second shift element, and a sliding sleeve displaceable via a first actuator into one of three shift positions. In a first shift position, the first shift element is closed and the second electrical machine is connected to the drive shaft with an actuating effect; in a second shift position, both shift elements are open and the second electrical machine is decoupled from the gearbox; in a third shift position, the second shift element is closed and the second electrical machine is connected to the output shaft with an actuating effect. The drive shaft is hollow, and the output shaft is arranged within the drive shaft.

Methods and systems are provided for a transmission. In one example, the transmission includes electric motor arranged on both sides thereof. In at least one example, electric motors on opposite sides of the transmission are coupled to a single input shaft.

An electric drive for a vehicle comprises: an electric machine, a stator connected to a housing and comprising stator end-windings, a rotor rotatable relative to the stator, and a driveshaft connected to the rotor; a transmission to transmit a rotary movement from the driveshaft to a driveline; a sump containing fluid to cool and / or lubricate the electric machine and the transmission; a hydraulic arrangement comprising at least one bi-directional pump, a first suction line hydraulically connected with the pump, a stator path for cooling the stator, a second suction line connected with the pump, and a transmission path for cooling the transmission; a valve arrangement with multiple valves configured such that fluid is either supplied from the sump through the first suction line to the stator path, or through the second suction line to the transmission path.

The invention discloses a driving and braking integrated electric wheel system applying high-integration double electronic mechanical clutches. The transmission is mainly composed of a driving motor, a transmission shell, a hub assembly, a partition plate, a speed change planet row, a speed reduction planet row, a double-electronic mechanical brake and the like. An output shaft of the driving motor is connected with the first sun gear; the first clutch is used for connecting the transmission shell and the first gear ring; the second clutch is used for connecting the first inner planet carrier and the motor output shaft; the speed reduction planet row is used for connecting the first outer planet carrier and the hub assembly; the first clutch and the second clutch are actuated by the same actuating motor. According to the electric wheel system, six working modes of first-gear driving, second-gear driving, first-gear mechanical braking, second-gear mechanical braking, reversing and parking braking can be achieved, and gear shifting control without power interruption can be achieved; meanwhile, mechanical friction braking control can be achieved by reasonably controlling combination and separation of the first clutch and the second clutch, and then a traditional wheel end mechanical brake is completely replaced.

The utility model discloses a single-stage gearbox which comprises a driving piece end plate, a gearbox shell, an input shaft and an output shaft, the gearbox shell is installed on one side of the driving piece end plate, a driving shaft is rotatably installed on the driving piece end plate through a driving shaft bearing, one end of the input shaft is fixedly connected with the driving shaft, and the other end of the input shaft is fixedly connected with the output shaft. The other end of the input shaft is rotationally connected with the transmission shell through an input shaft bearing, and an input gear is fixed to the input shaft. One end of the output shaft is rotationally connected with the driving part end plate through an output shaft bearing, the other end of the output shaft is rotationally connected with the transmission shell through an output shaft bearing, an output gear is fixed to the output shaft, and the output gear is meshed with the input gear. One end of the input shaft is supported and connected through the driving shaft bearing, so that one bearing of the transmission is reduced, and the production cost of the single-stage transmission is reduced; and meanwhile, the structure of the transmission box body for supporting the bearing is reduced, and the miniaturization and lightweight design of the transmission is facilitated.

A method for controlling gear shifting of a hybrid electric vehicle is applied to a transmission control unit, and includes: transmitting, at an interval of a preset time period and via a vehicle control unit (VCU), a first torque control instruction to a first microcontroller unit (MCU) and a second torque control instruction to a second MCU; transmitting, in response to a difference between a rotational speed of an integrated starter and a rotational speed of the clutch being within a preset speed difference range and via the VCU, a rotational speed control instruction to the first MCU and a gear shift instruction to the second MCU; and transmitting, in response to receiving a TM gear-shifting completion instruction, at an interval of a preset time period and via the VCU, a third torque control instruction to the first MCU and a fourth torque control instruction to the second MCU.

A utility vehicle includes a frame assembly, a plurality of ground-engaging members supporting the frame assembly, and a powertrain assembly operably coupled to the ground-engaging members and including a prime mover and a continuously variable transmission. Additionally, the utility vehicle includes an operator defined by a portion of the frame assembly and including seating for at least an operator. The utility vehicle also includes an electrical assembly comprising an electric motor operably coupled to the continuously variable transmission. The electric motor is positioned rearward of the operator area.

Methods and systems are provided for an electric axle. The electric axle system includes, in one example, an electric machine, a multi-speed transmission that is rotationally coupled to the electric machine, rotationally coupled to two output shafts, and including a Ravigneaux gear set rotationally coupled and positioned coaxial to a differential. The electric axle system further includes a mode clutch configured to selectively ground a carrier or a ring gear in the Ravigneaux gear set, ground a sun gear in the Ravigneaux gear set, and couple the carrier or the ring gear to the sun gear in the Ravigneaux gear set.

The invention discloses a clutch torque transmission characteristic dynamic test method, and relates to the field of clutch control, and the method comprises the steps: building a test bench, and separating a clutch, the transmission is put into a direct gear; presetting working condition parameters, wherein the working condition parameters comprise an output dynamometer target rotating speed N, an input dynamometer target rotating speed N and a clutch actuator target initial position P; obtaining a preset target torque loading strategy; according to the preset target torque loading strategy, the current position of a clutch actuator is controlled, a clutch friction pair is made to move relatively, and meanwhile test data are collected; acquiring a preset temperature threshold value; according to the test data, whether the clutch reaches a preset temperature threshold value or not is judged; if not, continuing to execute the preset target torque loading strategy; if yes, acquiring a target test position, and generating test data of the target test position; and preprocessing the test data according to the target test position test data, and generating an all-position test result.

The disclosure relates to a transmission system for a human powered vehicle, or light electric vehicle, comprising a crank housing, a crank axle, a front sprocket mounted to an output shaft concentric with the crank axle, and a transmission having an input connected to the crank axle and an output connected to the output shaft. The transmission comprises a planetary gear system, configured to be operated according one of a plurality of different selectable transmission ratios, mounted on a lay shaft which is offset and parallel to the crank axle, and an input transmission stage for transmitting torque from the crank axle to an input of the planetary gear system, wherein the input transmission stage has a speed increasing transmission ratio.

The present invention relates to a hydraulic device, a hydraulic control system, a vehicle and a control method. The hydraulic device comprises a cooling and lubricating oil circuit and a pressure control oil circuit, wherein the cooling and lubricating oil circuit comprises a first oil tank, a first oil pump and a first oil circuit, the first oil tank being configured to supply oil to the first oil pump, and the first oil pump being configured to provide hydraulic oil for the first oil circuit, so as to cool and lubricate an electromechanical coupling transmission by means of the first oil circuit; the pressure control oil circuit comprises a second oil tank, a second oil pump and a second oil circuit, the second oil tank being configured to supply oil to the second oil pump, and the second oil pump being configured to provide hydraulic oil for the second oil circuit, so as to control the engagement and disengagement of a clutch of the electromechanical coupling transmission by means of the second oil circuit; and a first throttle valve is provided on the second oil circuit and configured to control the amount of oil supplemented to the second oil tank from the first oil circuit. The hydraulic device of the present invention realizes the efficient utilization of hydraulic oil.

To simplify assembly and to reduce the susceptibility to faults of a linear drive comprising a transmission housing, an interference-suppressed electric motor which is connected thereto and is accommodated in a motor housing and which by way of a rotor accommodated in the motor housing drives a shaft which is mounted on a rear shaft end in a rear shaft bearing and is mounted on a front shaft end, a commutator for the transmission of current to the rotor, electrical and / or electronic components for interference suppression of the electric motor, it is proposed that the rear shaft bearing is mounted in the motor housing, the front shaft bearing is mounted in the transmission housing and the electrical and / or electronic components required for interference suppression of the electric motor are arranged on an interference suppression circuit board arranged between the front shaft bearing and the commutator.

A method of lubricating a transmission system including: scavenging, via a lubrication tube of a lubrication system disposed within the transmission system, oil from at least one of a plurality of gears; directing the scavenged oil from the lubrication tube to a plurality of oil conduits extending from the lubrication tube; and translating a shift assembly in a longitudinal direction such that the shift assembly actuates a plurality of poppet valve assemblies disposed in the plurality of oil conduits between a closed position and an open position. The scavenged oil circumventing the plurality of poppet valve assemblies in the open position and the plurality of poppet valve assemblies form a seal with the plurality of oil conduits in the closed position.

A parking pawl module (10) comprises: a first sun gear (230a); a first actuator (100) configured to actuate the first sun gear (230a); a transmission (200) comprising: a transmission housing (210); at least one transmission gear carrier (220, 220a, 220b) received by the transmission housing (210), wherein the at least one transmission gear carrier (220, 220a, 220b) has a first carrier side (221a) and a second carrier side (221b); at least a plurality of planet gears (222, 222a, 222b) which are supported on the first support side (221a) of the at least one gear carrier (220, 220a, 220b), wherein the at least plurality of planet gears (222, 222a, 222b) are in mesh with the first sun gear (230a); and an actuating element (240, 240c) which is connected to the transmission (200);a toggle lever (310) defining a lever opening (254) configured to receive the actuating element (240, 240c) and to allow movement of the actuating element (240, 240c) within the lever opening (254); and a shaft (314) attached to the toggle lever (310); wherein the first actuating member (100) controls a rotary movement of the at least one gear carrier (220, 220a, 220b), the plurality of planet gears (222, 222a, 222b), and the actuating element (240, 240c), and a linear movement of the toggle lever (310) and the shaft (314).

The invention discloses a compatible system for an MT test bench to adapt to an AT transmission and a test method, and belongs to the technical field of transmission test. The system comprises a driving motor base translation mechanism, a driving motor, a simulation crankshaft, a 6-to-8 adapter flange, a tested AT transmission, an oil pressure collection box, an engine oil external circulation device and the like. Mechanical adaptation is achieved through a 6-to-8 adapter flange and an I-shaped telescopic transmission shaft, a gear box can be switched between a constant speed mode and a speed reduction mode to adapt to different gears, a motor base translation mechanism is driven to adjust the coaxiality, and the oil temperature is controlled to be 105 + / -5 DEG C through an engine oil outer circulation device; the test method comprises the steps of preprocessing, assembly connection, initialization setting, test operation, monitoring recording and resetting, tests comprise a running-in test and a fixed gear durability test, oil pressure data are transmitted in two paths, and automatic shutdown is carried out when abnormity occurs. By transforming the idle MT rack, AT transmission test compatibility is achieved, and the advantages of improving the resource utilization rate, reducing the cost, enhancing the test adaptability and reliability and the like are remarkable.

A controlling method for a vehicle which comprises an engine, a driving motor connected with the engine, a first clutch connected between the engine and the driving motor, a start motor connected with the engine, a transmission connected with the driving motor, and a second clutch connected between the driving motor and the transmission, comprises synchronizing speeds of the engine and the driving motor, and adjusting a torque of the start motor to release baulking which occurs while a connection state of the first clutch is switched to another connection state upon the speeds of the engine and the driving motor being synchronized.

The invention discloses a flywheel energy storage device which comprises a flywheel with a rotating shaft, a magnetic bearing for supporting the rotating shaft, a vacuum cover, an integrated motor for bidirectionally converting electric energy and kinetic energy between the flywheel and electric equipment, and a control system which comprises a displacement sensor capable of monitoring the eccentricity of the flywheel in real time. The magnetic bearing comprises an electromagnetic bearing and / or a permanent magnet bearing, and the magnetic suspension controller adjusts electromagnetic force in the electromagnetic bearing through an algorithm so as to offset centrifugal force brought by eccentricity of the flywheel. The algorithm is a PID control algorithm. The electromagnetic bearing is a low-temperature superconducting magnetic bearing. The integrated motor is connected with the oil pump, and the oil pump can be started to drive the hydraulic motor to link the transmission and the permanent magnet generator for power generation. The eccentric amount of the flywheel is monitored in real time through the displacement sensor, the electromagnetic force of the electromagnetic bearing is dynamically adjusted, the influence of centrifugal force on the flywheel is counteracted, the phenomenon that vibration is intensified due to high-speed rotation is avoided, and stability and safety are improved.

A control module for a vehicle with at least one electric motor and a transmission is provided. The control module has a housing for receiving a transmission control electronics unit and an inverter electronics unit for controlling an electric motor, and a heat sink. The heat sink is disposed between a housing upper part and a housing lower part in such a manner that the heat sink forms part of the housing. The housing lower part and the heat sink form a medium-tight cavity for receiving the inverter electronics unit. The transmission control electronics unit is surrounded by a plastic casing. The transmission control electronics unit with the plastic casing forms the housing upper part. The housing upper part is connected to the heat sink in a thermally conductive manner such that a heat transport from the transmission control electronics unit to the heat sink takes place.

An all-terrain vehicle (ATV) has a frame having front and rear ends, an internal combustion engine connected to the frame, the engine including a front portion and a rear portion, a single cylinder defining a cylinder axis, an air intake port defined in the front portion facing towards the front end of the frame, and an exhaust port defined in the rear portion facing towards the rear end of the frame. The ATV further has an exhaust assembly fluidly connected to the exhaust port. The exhaust assembly extends from the engine towards the rear end of the frame. The ATV further has a continuously variable transmission operatively connected to the engine, which includes a primary pulley being operatively connected to the engine, a secondary pulley, a drive belt looped around the primary and secondary pulleys, and a housing enclosing the primary pulley, the secondary pulley, and the drive belt.

An electromechanical actuator including an electric motor housed in a housing, the electric motor acting on a torque output element capable of being coupled to an element of a transmission gearbox of a motor vehicle. The torque output element is connected to the electric motor by drive means, and the torque output element is a main shaft configured to rotate about its axis of rotation with a first end and a second end. The actuator further includes a circuit board located in the housing, the circuit board comprises a sensor which faces a magnet mounted on a support coupled to the second end of the main shaft by means of a first swivel-linear mechanism.