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95results about How to "Wide range of speed ratio" patented technology
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Two mode electro-mechanical transmission and control
ActiveUS20090209381A1Improve efficiencyWide range of speed ratioHybrid vehiclesDigital data processing detailsPower splitDifferential signaling
A two mode power-split electric hybrid system and a method of control said hybrid system. The hybrid system is comprised of an engine, a transmission, an energy storage device and a control system for effecting said control method. Said transmission is a reconfigurable power split system, comprising a power-splitting device and an output power path selecting device. The power splitting device includes a compound planetary gear system and two electric machines which form a local series electric hybrid system. Said transmission regulates the output power state of said hybrid system by controlling power flow within said local series hybrid system. The hybrid system provides at least two operating mode, an output power split mode and a compound power split mode. Said control system includes multiple controllers and control modules. In accordance with the operating conditions of the hybrid system, said control system computes and sets system power requirement, allocates ob board power resources and sets engine operating speed and torque. In addition, said control system sets the operation mode of the transmission and controls the engine speed by adjusting operating torque of electric machines, based on the differential signal between reference engine speed and actual engine speed. Said control system is also capable of controlling engine torque through engine controller.
Owner:SHANDONG LIANCHENG GREENMAX TECH
Hybrid car driving device
ActiveCN103158526AWide range of speed ratioImprove fuel efficiencyHybrid vehiclesGas pressure propulsion mountingHybrid carMechanical power transmission
The invention relates to the technical field of mechanical power transmission, in particular to a driving device used for a hybrid car. The driving device comprises a motor input end, a first motor, a second motor, a single-row planetary system and a double-row Ravigneaux planetary system. The motor input end is connected with a first inner gear of the single-row planetary system, a rotor of the first motor is connected with a sun gear of the single-row planetary system, and a planetary frame of the single-row planetary system transmits power to a big sun gear and a small sun gear of the Ravigneaux planetary system. A rotor of the second motor is connected with a public planetary frame of the Ravigneaux planetary system, and power is transmitted by a second inner gear of the Ravigneaux planetary system. The motor achieves gear reversing. The driving device improves motor working efficiency of the motor, achieves serial connection, parallel connection, mixed connection, recovering of brake energy and the like, achieves the aim of reducing discharge and prolongs actual service life of a pure electric vehicle through a serial connection mode.
Owner:GREAT WALL MOTOR CO LTD
Novel hybrid power coupling mechanism and motor vehicle
ActiveCN107933285AReduce volumeOptimize volumeHybrid vehiclesGas pressure propulsion mountingMobile vehicleElectric machine
The invention provides a novel hybrid power coupling mechanism and a motor vehicle. The novel hybrid power coupling mechanism comprises a fuel driving mechanism, a single-planet-row gear mechanism, aclutch, an intermediate connecting shaft structure, a composite-planet-row gear mechanism, a first electric driving mechanism, a second electric driving mechanism and a power output mechanism, whereinthe fuel driving mechanism, the first electric driving mechanism and the second electric driving mechanism are connected for output through the single-planet-row gear mechanism and the composite-planet-row gear mechanism; and finally power output is implemented by the power output mechanism. By the novel hybrid power coupling mechanism and the motor vehicle, various power driving modes and outputspeed ratios can be provided according to actual conditions, the integral system efficiency can be high, the structure can further be simplified, and requirements to the motor are reduced.
Owner:GUANGZHOU AUTOMOBILE GROUP CO LTD
Mid-size vehicle speed changer with main tank and auxiliary tank
ActiveCN101799062AMeet development needsWith multi-speedToothed gearingsGearing controlCarrying capacityEngineering
The invention mainly discloses a mid-size vehicle speed changer with a main tank and an auxiliary tank. In the auxiliary tank, an epicyclic transmission structure is adopted and has a high gear and a lower gear; a locking ring type high-capacity synchronizer is adopted to shift gears and switch between a high-gear area and a low-gear area, and gear shifts are controlled by using a pneumatic gear shift mechanism; and the auxiliary tank is combined with the main tank and can form a plurality gears. The invention has the advantages of large carrying capacity, more gears, total synchronizer gear shift, speed ratio matching distribution according to a bias geometric progression, linkage operation of the main tank and the auxiliary tank, light and convenient gear shift, environmental protection, energy saving, and the like, has stronger adaptability to various working conditions and road conditions and can better meet the development requirements of domestic vehicles at present.
Owner:浙江绍齿传动股份有限公司
Multi-flexible beam vibration control device and method based on synchronous belt drive
InactiveCN106933266AEliminates the effects of vibration control effectsStable positioningMechanical oscillations controlVibration controlControl system
The invention discloses a multi-flexible beam vibration control device and method based on synchronous belt drive. The device comprises a flexible beam body, a detection part and a control part. The flexible beam body comprises three flexible beams of the same size. The detection part comprises a piezoelectric sensor and an acceleration sensor, wherein the piezoelectric sensor and the acceleration sensor are respectively arranged on the flexible beams. The control part comprises a synchronous belt drive control system and a piezoelectric drive control system. The vibration signal of the flexible beam structure is detected by the piezoelectric sensor and the acceleration sensor. A synchronous belt driven by a servo motor and a piezoelectric drive are used as an actuator for suppressing vibration. The device can be used to study the influence and vibration control of gravity, synchronous belt gap characteristics, synchronous belt elasticity and other factors on the vibration of the flexible beam structure.
Owner:SOUTH CHINA UNIV OF TECH
Two mode electro-mechanical transmission and control
ActiveUS8277350B2Easy constructionSpeed efficientHybrid vehiclesDigital data processing detailsPower splitDifferential signaling
A two mode power-split electric hybrid system and a method of control said hybrid system. The hybrid system is comprised of an engine, a transmission, an energy storage device and a control system for effecting said control method. Said transmission is a reconfigurable power split system, comprising a power-splitting device and an output power path selecting device. The power splitting device includes a compound planetary gear system and two electric machines which form a local series electric hybrid system. Said transmission regulates the output power state of said hybrid system by controlling power flow within said local series hybrid system. The hybrid system provides at least two operating mode, an output power split mode and a compound power split mode. Said control system includes multiple controllers and control modules. In accordance with the operating conditions of the hybrid system, said control system computes and sets system power requirement, allocates ob board power resources and sets engine operating speed and torque. In addition, said control system sets the operation mode of the transmission and controls the engine speed by adjusting operating torque of electric machines, based on the differential signal between reference engine speed and actual engine speed. Said control system is also capable of controlling engine torque through engine controller.
Owner:SHANDONG LIANCHENG GREENMAX TECH
Planetary gear type multistage transmission for vehicle
ActiveUS7524257B2Easy constructionWide range of speed ratioToothed gearingsTransmission elementsEngineeringLayshaft
A small-sized vehicular planetary gear type step-variable transmission having seven or more forward drive gear positions with a wide range speed ratio and suitable for use on a vehicle. A transmission includes three planetary gear sets, four clutches, and two brakes to provide seven or more forward drive gear positions with a wide range speed ratio. A counter gear pair is constituted by an output gear disposed between a first transmission portion and a second transmission portion, and a driven gear which is mounted on a counter shaft rotatably about a second axis parallel to a first axis and which is held in meshing engagement with the output gear. A fourth clutch reduces an amount of increase of an axial length of the transmission, so that the transmission is small-sized and used on the vehicle.
Owner:TOYOTA JIDOSHA KK
Double-planetary-line hybrid coupling mechanism and motor vehicle
ActiveCN108116217AReduced torque requirementsReduce volumeHybrid vehiclesGas pressure propulsion mountingMobile vehicleElectric machine
The invention provides a double-planetary-line hybrid coupling mechanism and a motor vehicle. The double-planetary-line hybrid coupling mechanism comprises a fuel driving mechanism, a single-planetary-line gear mechanism, double clutches, an intermediate connecting shaft structure, a composite planetary line gear mechanism, a first electric driving mechanism, a second electric driving mechanism and a power output mechanism, the fuel driving mechanism, the first electric driving mechanism and the second electric driving mechanism are in connection output by the single-planetary-line gear mechanism and the composite planetary line gear mechanism, and finally, power output is carried out by the power output mechanism. The invention provides the double-planetary-line hybrid coupling mechanismand the motor vehicle, various power driving modes and output speed ratios are provided according to actual conditions, the integral system is high in efficiency, the structure can further be simplified, and requirements for a motor are reduced.
Owner:GUANGZHOU AUTOMOBILE GROUP CO LTD
Six-speed mechanical saloon car transmission
InactiveCN101012868AStable supportImprove carrying capacityToothed gearingsDifferential gearingsShift timeOperating speed
The invention discloses a six-speed mechanical speed changer of car, comprising an input axle connected with the engine, first, second, fifth, and sixth output axles, third, and fourth backward output axles and semi axle arranged at one side of the input axle. The invention uses three axle to realize six forward shifts, to obtain compact structure, compared with five-speed hand-operated speed changer, to obtain shorten axle size, low differential speed, and simple shift. The invention has lower shift time and differential speed than general five-speed hand-operated speed changer.
Owner:SHAANXI FAST GEAR CO
Powertrain for Hybrid Electrical Vehicle
ActiveUS20120208664A1Low system requirementsImprove driving efficiencyRailway vehiclesTransmission elementsDouble planetPowertrain
The invention relates to a powertrain for a hybrid electrical vehicle, comprising an engine, a first motor, a second motor and a transmission device, said transmission device having a planet gear set with double planet gear ranks comprising a first planet gear rank and a second planet gear rank, said engine is arranged on one side of said planet gear set, said first motor and said second motor are arranged on the other side of the planet gear set, said first planet gear rank comprises a small sun gear, a planet carrier, a short planet gear and an outer ring gear, said second planet gear rank comprises a big sun gear, a long planet gear and the planet carrier shared with the first planet gear rank, said long planet gear meshes with the short planet gear and the big sun gear respectively.
Owner:CORUN CHS TECH CO LTD
Light-weight speed changing device and bicycle adopting light-weight speed changing device
ActiveCN104494775ALittle effect on driving speedWide range of speed ratioWheel based transmissionChain/belt transmissionMiniaturizationSprocket
Owner:安徽嘉誉伟丰机电科技股份有限公司
Soft-start reducer
InactiveCN101963219ASmall footprintSuitable for space requirementsGearingGear lubrication/coolingViscous liquidEngineering
The invention relates to a soft-start reducer. A bevel gear input mechanism in a box body is connected with a planetary gear transmission mechanism connected with the output of the output shaft. A braking mechanism comprises a viscous liquid brake, an acceleration bevel gear shaft, an acceleration bevel gear, an acceleration gear shaft and an acceleration gear, wherein the input of the viscous liquid brake is connected with one end of the acceleration gear shaft; the acceleration gear shaft is supported in the box body; the acceleration bevel gear is sleeved on the acceleration gear shaft; the acceleration bevel gear is meshed with other end of the acceleration bevel gear shaft; and the acceleration gear shaft is provided with an acceleration gear meshed with the outer ring of the internal and external gear rings of the planetary gear transmission mechanism. The external viscous liquid brake brakes the internal and external gear rings of the planetary gear transmission mechanism through a bevel gear acceleration braking mechanism and a bevel gear reduction input mechanism stabilizes the input power, so the soft start of the reducer under the loaded condition of heavy equipment is realized. The reducer has a compact structure, small installation space, wide speed ratio range, stable transmission performance, high efficiency and long service life and is favorable for model selection of users.
Owner:JIANGSU TAILONG MACHINERY GRP CO CO LTD
Double-mode hybrid transmission device for commercial vehicle
InactiveCN107187309AReduce torqueReduce the required powerHybrid vehiclesGas pressure propulsion mountingElectric machineControl system
The invention belongs to the technical field of hybrid automobiles and in particular relates to a hybrid transmission device. A double-mode hybrid transmission device for a commercial vehicle comprises a motor controller, three planet rows, two motors, a first clutch and a first brake, wherein the three planet rows are coaxially arranged; the three planet rows are an internal and external engaged double-planet row, a common planet row and a speed reducing planet row; the internal and external engaged double-planet row and the common planet row form a power splitting mechanism so that double-mode power splitting can be realized. Double modes are a speed dividing and moment gathering power splitting mode and a speed dividing and speed gathering power splitting mode. When the two modes are switched, the clutch has no speed difference so that a mode switching control system can be simplified. Compared with single mode power splitting, the double-mode hybrid transmission device for the commercial vehicle has the advantages that the speed ratio range of a variable transmission device can be enlarged, the torque and power of the motor can be reduced and the power density of the transmission device can be increased.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Planet gear driven mechanical stepless automatic transmission
InactiveCN102162506AContinuously variable automatic transmissionEmission reductionToothed gearingsEngineeringPiston
The invention discloses a planet gear driven mechanical stepless automatic transmission, which comprises a power input shaft, a hollow shaft I, an intermediate shaft, a power output shaft, a reversing mechanism, a big gear ring I, at least two groups of planet mechanisms uniformly distributed in the big gear ring I, a driving gear I, an oil pump, a driven gear I arranged on the input shaft of the oil pump, a piston type oil cylinder, a pressure adjusting valve and a gear rack component. The power is transmitted to a driving gear II, a driving pinion, an idle wheel, an intermediate gear ring and a big gear ring of the planet mechanism through the power input shaft and finally gathered to the intermediate shaft; stepless automatic speed change can be realized by controlling an automobile engine accelerator and adjusting the pressure adjusting valve; reversing, idling or advancing operation is realized by the reversing mechanism; and the transmission has the characteristics of energy conservation, environment friendliness, wide application range and the like.
Owner:陈敏道
Hybrid power speed changer transmission structure and vehicle
ActiveCN112780734AZoom in on the working areaGuaranteed powerHybrid vehiclesToothed gearingsGear driveGear wheel
The invention discloses a hybrid power speed changer transmission structure and a vehicle. An engine and a motor are included, and an input shaft of a speed changer is connected with an output shaft of the engine and an outer gear ring and further connected with a speed changer shell through a one-way clutch or a brake. The motor is connected with the input shaft of the speed changer through a fourth clutch, and a motor output shaft is connected with a sun gear. A planet row output gear is connected with a planet carrier. A first input gear, a first-gear driving gear and a third-gear driving gear are arranged on a first intermediate shaft, a second input gear, a reverse gear, a second-gear driving gear and a fourth-gear driving gear are arranged on a second intermediate shaft, and a first-gear driven gear, a second-gear driven gear, a third-gear driven gear, a fourth-gear driven gear and an output shaft main reduction gear are arranged on an output shaft of the speed changer. The first input gear and the second input gear are both meshed with the planet row output gear and correspondingly output power to the first intermediate shaft and the second intermediate shaft through a first clutch and a second clutch. The reverse gear is meshed with the first-gear driven gear and outputs power to the second intermediate shaft through the third clutch. The transmission efficiency is high, engine intervention and exit are smooth, and the axial size is small.
Owner:GUANGZHOU AUTOMOBILE GROUP CO LTD
Main-Box-and-Auxiliary-Box -Structural Twin-Countershaft Twelve-Speed Transmission
InactiveUS20090133533A1High fuel economyImprove lifeToothed gearingsGearing controlSelf lockingGear drive
This invention relates to a main-box-and-auxiliary-box-structural twin-countershaft twelve-speed transmission, with a main box and an auxiliary box mainly. Said main box has an input shaft (1), a main shaft (10) and two countershafts (14) arranged symmetrically at the two sides of the main shaft, there being provided corresponding gear drive between the main shaft and the countershafts, there being provided six gears positioned independently and three synchronizers (4) on the main shaft, shift forks (5) for the synchronizers are connected to a shift lever via shift fork shafts (16) and via an operation mechanism. The auxiliary box has an auxiliary-box main shaft (20) and an auxiliary-box countershaft (22), a gear (29) engaging with a gear (28), a gear (25) engaging with a shaft gear (30), between the gear (25) and the gear (29) being arranged a synchronizer (9), a shift fork (15) and a shift fork shaft (31), said synchronizer (9) being self-locked by means of back taper teeth, and said shift fork shaft (31) being self-locked by means of a self locking mechanism comprising a spring (18) and a steel ball (19).
Owner:SHAANXI FAST GEAR CO
Multi-gear planetary gear transmission
ActiveCN111536211AWide transmission ratio rangeWide range of speed ratioToothed gearingsTransmission elementsClutchGear transmission
The invention discloses a multi-gear planetary gear transmission, which comprises eight rotating shafts, five brakes, two clutches and five planetary lines, wherein five simple minus planetary lies and seven gear shifting elements (including five brakes and two clutches) are adopted; the two clutches are arranged at the front end of the transmission rather than the middle part of the transmission,and the oil supply is very convenient; the five brakes are included, a large number of brakes are arranged and can be embedded with the planetary lines, the pressure oil can be directly fed into thebrakes from a box body, and the structure layout is more compact; the two gear shifting elements are closed at each gear, twelve forward gears and one reverse gear can be achieved, more gears are provided, and the range of transmission ratio is wider.
Owner:BEIHANG UNIV
Variable-speed flywheel
PendingCN108482572AReliable high-speed motionFew teethChain/belt transmissionFreewheelMaximum diameter
The invention discloses a variable-speed flywheel. The variable-speed flywheel comprises a tower wheel, a wheel hub and a freehub, and further comprises a connecting ring and a ring end cap, wherein multiple layers of gear rings of which diameters are increased successively are in lap joint to form the tower wheel; the tower wheel comprises a first gear ring with the maximum diameter and a secondgear ring with the minimum diameter; the tower wheel is in transmission connection with the wheel hub; the inner diameter 2r of the second gear ring is smaller than the outer diameter 2R of the freehub; one end of the freehub is detachably connected with the connecting ring; the ring end cap comprises a column and a cover; the column is connected with the connecting ring; and the cover is in contact with the second gear ring. The variable-speed flywheel has the advantages that the flywheel is universal to a standard freehub, and is low in cost and wide in transmission velocity ratio.
Owner:HUNAN NAITE MATERIAL TECH CO LTD
Multi-clutch transmission driving device
InactiveCN106481749AWide range of speed ratioSimple internal structureToothed gearingsGearing controlEngineeringClutch
The invention provides a multi-clutch transmission driving device comprising a first dual-clutch transmission and a second dual-clutch transmission. An output shaft of the first dual-clutch transmission is connected with a shell body of the second dual-clutch transmission. According to the multi-clutch transmission driving device, a multistage clutch structure in one transmission is replaced by the two dual-clutch transmissions, speed ratio range widening is realized, meanwhile the structure is simple, and the reliability is strong.
Owner:ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
Three-gear electric assembly and speed ratio determination method thereof
ActiveCN109578533AImprove climbing abilityIncrease top speedToothed gearingsTransmission elementsGear transmissionControl theory
Owner:BYD CO LTD
Hybrid power drive system
PendingCN110549836AReduce volumeIncrease flexibilityHybrid vehiclesPlural diverse prime-mover propulsion mountingElectric machineGear wheel
The invention discloses a hybrid power drive system which comprises an engine, a first motor, a second motor, a planetary gear device, a clutch gear device, an engaging device and a switch device; theengine and the first motor are both connected with the planetary gear device; the clutch gear device is arranged between the first motor and the planetary gear device; the planetary gear device comprises a first rotating element, a second rotating element and a third rotating element; the first rotating element is connected with the first motor; the second rotating element is connected with the engine; the third rotating element is connected with the engaging device; the clutch gear device comprises a clutch, a clutch gear and an engaging element; the clutch gear and the engaging element areconnected to the clutch; the clutch gear is connected to the output end; the engaging device is engaged to the third rotating element and the engaging element, or the third rotating element and the switch device or the third rotating element only; the switch device locks or unlocks the third rotating element; and a second motor is connected to the output end. The hybrid power drive system providedby the invention is good in platformization.
Owner:GUANGZHOU AUTOMOBILE GROUP CO LTD
Powertrain for hybrid electrical vehicle
ActiveUS8382624B2Low integrationSmall rangeRailway vehiclesTransmission elementsEngineeringHybrid electrical vehicle
The invention relates to a powertrain for a hybrid electrical vehicle, comprising an engine, a first motor, a second motor and a transmission device, said transmission device having a planet gear set with double planet gear ranks comprising a first planet gear rank and a second planet gear rank, said engine is arranged on one side of said planet gear set, said first motor and said second motor are arranged on the other side of the planet gear set, said first planet gear rank comprises a small sun gear, a planet carrier, a short planet gear and an outer ring gear, said second planet gear rank comprises a big sun gear, a long planet gear and the planet carrier shared with the first planet gear rank, said long planet gear meshes with the short planet gear and the big sun gear respectively.
Owner:CORUN CHS TECH CO LTD
Novel helical gear-worm gear speed reducer
The invention discloses a novel helical gear-worm gear speed reducer which comprises a motor, a primary pinion gear, a primary bull gear, a box body, a worm, a worm wheel, a flange disk, bearings, oil seals, retainer rings, oil seal rings, a key and a fastening piece, wherein the motor is arranged on the input side face of the box body through a flange cover and a fastening piece, the output shaft of the motor is fixedly connected with the primary pinion gear through the key, and the first pinion gear is meshed with the primary bull gear; the primary gear is fixedly arranged on a shaft bench of a secondary gear shaft; two ends of the secondary shaft are bearing benches and are provided with bearings, and the middle part of the secondary gear shaft is fixedly connected with the worm; the worm is meshed with the worm wheel which is arranged on the upper part of the worm, and the worm wheel is fixedly arranged on the output shaft through the key; and two ends of the output shaft are respectively provided with supporting bearings, the outer rings of the two bearings are respectively installed in the front bearing chamber and rear bearing chamber of the box body, and the outer sides of the two bearings are respectively provided with the retainer rings for holes, the oil seals and the oil seal rings. The speed reducer provided by the invention has all the functions of the worm gear speed reducer such as self-locking and the like, and the speed ratio range of the speed reducer provided by the invention is much wider.
Owner:SHANGHAI LONGXIE ELECTRONICS TECH
Three-level planetary gear train automatic transmission
ActiveCN107120396ASmall sizeReduce quality problemsToothed gearingsTransmission elementsThree levelAutomatic transmission
The invention discloses a three-level planetaryary gear train automatic transmission for a vehicle. The transmission can achieve eight forward gears and one reverse gear and comprises a shell, three planetary gear sets, a plurality of transmission shafts and six combining elements. Each planetary gear set comprises a sun wheel, a planetary wheel and a tooth ring. The two planetary gear sets on the two sides are single-planetary-gear planetary gear sets, and the middle planetary gear set is a double-planetary-gear planetary gear set. The combining elements are selectively combined and separated in the gear shifting process to achieve different transmission ratios, and accordingly the transmission can achieve the eight forward gears and one reverse gear. The two planetary gear sets share one planetary gear, mutual cooperation of the six combining elements is utilized, excessive combining elements are not needed, the gear shifting performance is improved, the mass and the size of the transmission are reduced, and the dynamic property and the transmission efficiency of the transmission are improved.
Owner:CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY
Hub and wheel rim reduction gear assembly
InactiveCN105673778AWide range of speed ratioSimple structureToothed gearingsGearing detailsReduction driveEngineering
The invention provides a wheel hub and wheel reducer assembly, including hub inner bearing, wheel hub, wheel hub outer bearing, reducer shell assembly, cross shaft, half shaft, outer bevel gear, conical planetary wheel and inner bevel gear. The present invention adopts a planetary bevel gear reducer. Compared with the prior art, the present invention can realize a wheel speed ratio between 2-2.7, thereby expanding the speed ratio range of the wheel reducer, and the structure is simplified and the weight is light. , When repairing the reducer, it is not necessary to remove the brake drum and other parts, which is convenient for maintenance.
Owner:SINO TRUK JINAN POWER
Three-power-source coupling hybrid power system suitable for heavy truck
PendingCN114475217ARealize regulationRealize reverse chargingGas pressure propulsion mountingPlural diverse prime-mover propulsion mountingPower couplingElectric machinery
The invention discloses a three-power-source coupling hybrid power system suitable for a heavy truck, which belongs to the technical field of transmission systems of heavy trucks and comprises a shell, a generator, a driving motor, an engine and a double-planet-row power coupling mechanism. The engine is connected with the rear planet carrier through a central shaft; the rear sun gear is connected with an inner hollow shaft connected with a generator; the front sun gear is connected with an outer hollow shaft connected with a driving motor; and a sliding sleeve locking device is arranged on the shell. Three powers are coupled under different conditions through a double-planet-row power coupling mechanism, the speed of a rear sun gear and the speed of a rear planet carrier are adjusted through a generator and an engine respectively, stepless speed change and decoupling of the rotating speed of the engine and the vehicle speed are achieved, and flexible switching of various working modes is achieved by adjusting a sliding sleeve locking device. Non-interruption of output power in the gear shifting process under each working mode is realized through torque compensation of the generator and the engine; and the comfort, safety and economical efficiency of the whole vehicle are improved while the dynamic property is ensured.
Owner:SINO TRUK JINAN POWER
A hybrid electric vehicle power coupling device and transmission system
ActiveCN103009994BCompact structureSimple structureHybrid vehiclesGas pressure propulsion mountingPower couplingElectric machinery
The invention discloses a power coupling device and a transmission system of a hybrid power vehicle. The power coupling device is arranged in the box body of a vehicle gear shifting box and occupies the space of the conventional hydraulic converter and reversing mechanism; the power coupling device comprises a motor, a planetary wheel system, a brake and a clutch, wherein the motor and the planetary wheel system are integrated; the motor comprises a stator and a rotor, and the rotor is connected with a sun wheel of the planetary wheel system; the power output end of the motor is connected with the gear ring of the planetary wheel system; the input shaft of the vehicle gear shifting box is connected with a planetary frame of the planetary wheel system; the power longitudinal gear ring is output to the vehicle gear shifting box; a brake is connected with the power output end of the motor and used for controlling the locking and loosening of the motor; and the clutch is arranged between the gear ring and the sun wheel and used for controlling the combination and separation of the sun wheel. Compared with the prior art, the power coupling device has a wide variation ratio range and a compact structure, fully improves the integration level of a power assembly system, and is convenient to transplant to platforms with different vehicle modes.
Owner:奇瑞控股集团有限公司
External wave type compound rolling moveable teeth speed reducer
InactiveCN102562956BStrong processing technologyWith force static balanceToothed gearingsRadial motionCircular disc
The invention relates to an external wave type compound rolling moveable teeth speed reducer which comprises a compound shock wave device, moveable teeth, a moveable teeth frame, waveform wheels and a frame, wherein the compound shock wave device is composed of an input shaft, a small gear, a big gear, a locking cover, an eccentric shaft, a shock wave disk I and a shock wave disk II; when the small gear is driven to rotate by the input shaft, the big gear is engaged with the exterior of the small gear and the big gear and the eccentric shaft fixedly connected with the locking cover are driven to rotate; the eccentric shaft is used for driving the shock wave disk I and the shock wave disk II to eccentrically rotate, thereby realizing the contact engaging of the shock wave disks I and II and the moveable teeth and the radial motion of a moveable teeth pin shaft along a radial slot of the fixed moveable teeth frame; and meanwhile, the moveable teeth frame is fixedly connected with the frame and the moveable teeth and keeps contact with the waveform wheels I and II all the time, so that the moveable teeth are forced to drive the waveform wheels I and II to rotate, thereby realizing the motion and power transfer between the input shaft and an output shaft. The external wave type compound rolling moveable teeth speed reducer has the characteristics of wide speed ratio scope, strong bearing capacity, excellent processing manufacturability of the waveform wheels, static balance of the force born by the whole transmission device, and the like.
Owner:BEIJING UNIV OF TECH
Wedge claw type stepless variable-speed mechanism and transmission system
InactiveCN104565250AReduce useless power consumptionLight in massFriction gearingsEngineeringTransmission system
The invention relates to a stepless variable-speed mechanism and a transmission system, in particular to a wedge claw type stepless variable-speed mechanism. The wedge claw type stepless variable-speed mechanism comprises a fixed center shaft, wherein the fixed center shaft is provided with a dual-offset center regulating mechanism, a vector displacement limiting mechanism, a wedge claw type primary variable-speed mechanism and a wedge claw type secondary variable-speed mechanism; and the structure of a wedge claw subassembly in the wedge claw type primary variable-speed mechanism is the same with that of a wedge claw subassembly in the wedge claw type secondary variable-speed mechanism. The transmission system with the wedge claw type stepless variable-speed mechanism comprises a fixed center shaft, the wedge claw type stepless variable-speed mechanism, a primary planetary moving shaft wheel train and a secondary planetary moving shaft wheel train; and the wedge claw type stepless variable-speed mechanism is arranged between an inputting belt pulley and an outputting belt pulley on the fixed center shaft. Owing to the structure, the transmission efficiency is quite high, a speed ratio range is quite wide, the weight is light, the size is small, and requirements on large torque and small size can be met. The transmission system has the advantages that the transmission system can bear large impulsive load, and is small in speed regulating resistance, high in stability, low in power loss, low in heating, small in noise and wide in application range.
Owner:孙晓雁 +2
Stepless automatic transmission and vehicle
PendingCN107664180AWide range of speed ratioSimple structureToothed gearingsGearing controlVariatorPowertrain
The invention provides a stepless automatic transmission and a vehicle, and relates to the technical field of vehicle power transmission systems. The stepless automatic transmission comprises a belt wheel transmission mechanism connected with an output shaft of an engine, and further comprises a planet gear mechanism, a differential, a transmission gear set and a clutch set, wherein the differential is connected with the planet gear mechanism, and comprises a transmission output shaft; the transmission gear set is in transmission connection with the output shaft of the engine and the planet gear mechanism; and the clutch set is connected with the planet gear mechanism and the transmission gear set, and comprises a first clutch and a second clutch. The stepless automatic transmission is provided with the planet gear mechanism connected with the differential and the clutch set connected with the planet gear mechanism and the transmission gear set; through change of working states of theclutches in the clutch set, the speed ratio range of the stepless automatic transmission is widened; the structure is simple; and the dynamic property and the economy of the vehicle are improved.
Owner:北京汽车动力总成有限公司
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