For differential gearing (B60K23/04)

ethod and device for vehicle differential brake // 2614374
FIELD: machine building.SUBSTANCE: group of inventions relates to automotive industry, in particular, to vehicles transmissions. Method of vehicle transmission using for control over drive torque distribution on two drive wheels by means of differential gear. Coupling is supplied with preparatory hydraulic pressure, having value, providing coupling discs actuation in contact with each other. Preparatory hydraulic pressure is supplied in cases, in which coupling control effect fast prediction is possible. Vehicle transmission comprises differential drive for torque distribution on two drive wheels and differential brake with hydraulically controlled coupling with increased internal resistance. Additionally there is response system for control over said hydraulic pressure supply to coupling.EFFECT: enabling reduced differential brake response time to motion conditions change due to supply of small preparatory hydraulic pressure to coupling.2 cl, 3 dwg

Transmission with hydraulic interaxle and interwheel differential links with automatically controlled interlocking modes for high cross-country capacity vehicle // 2551052
FIELD: transport.SUBSTANCE: invention relates to automotive industry and can be used for development of transmissions for wheels vehicles of high cross-country capacity. Transmission with drive axles of portal type and stiff kinematics of all four half-axles and gearbox secondary shaft, wheel misaligned reduction gearboxes with single-row output planetary mechanisms with drive crown gears engaged with half-axles while sun gears are engaged with hydraulic machines shafts, hydraulic machine housings being rigidly coupled with those of wheel reduction gears. Working chambers of every drive axle are communicated via reverse slide valve with high-and low-pressure lines provided with boost system. High-pressure line incorporates fluid interlocking throttling mechanisms with stepwise drag variation. Note here that self-locking of ACS at vehicle turn depends on turn angle, front controlled wheel rpm and torque differences which allows actuation of one of said two self-locking modes or complete interlocking of interwheel differential gearing. Said lines include selective valves communicating pressure chambers of higher-load hydraulic machines of front and rear wheels with interaxle high-pressure line with electrically-controlled fluid two-mode locking mechanism.EFFECT: higher mobility, cross-country capacity and efficiency.11 cl, 13 dwg

Electronically-controllable locking differential with control system under instrument panel // 2548830
FIELD: electricity.SUBSTANCE: invention is related to electronically-controllable locking differentials. Electronically-controllable locking differential comprises an electromagnetic coil and control system. The control system comprises a module under instrument panel of an automobile and a circuit interacting electrically with the above module. The circuit comprises a switch and a fixing component. The circuit is off when power supply of the control system is off and is in stand-by mode when power supply is supplied to the control system. When the switch is switched on and retained in this position current passes through the above circuit in order to actuate the fixing component, at that differential is actuated. The fixing component includes a double-pole two-position control relay that contains the first switch, the second switch and a coil. When the switch is switched on and retained in this position current passes through the above circuit thus actuating relay, the second switch is closed and differential is actuated.EFFECT: simplification of design and improvement of reliability is attained.18 cl, 4 dwg

Electronically-controllable locking differential with control system // 2547668
FIELD: electricity.SUBSTANCE: invention is related to electronically-controllable locking differentials. Differential comprises magnetic coil (50) and control system based on wire harness for logic control of the differential operation; the system comprises a circuit (56). The circuit contains a locking switch (62), which is coupled electrically to the first power supply source and designed to lock power supply of the differential. Double-pole double-throw control relay (72) coupled electrically to the locking switch (62) comprises the first switch (74), the second switch (76) and a coil (78). The second switch (76) is designed to "overjump" the locking switch (62). The circuit is deenergised when power is not supplied to the wire harness and is in standby mode when power is supplied to the wire harness. When the locking switch (62) is activated current passes from the initial point through the circuit in order to activate the relay (72), at that the first switch (74) is closed to excite the differential and the second switch (76) is closed so that current "overjumps" the locking switch (62) and the differential becomes activated.EFFECT: higher reliability of a device is reached.20 cl, 3 dwg

Automotive brake system and method of braking // 2500556
FIELD: transport.SUBSTANCE: invention relates to automotive industry. Vehicle comprises set of wheels mounted at the frame. Every wheel is engaged with engine to drive the vehicle. Self-locking differential gear is supported by the frame. First and second half-axles are engaged with said self-locking differential gear. First half-axle supports first wheel of aforesaid set. Second half-axle supports second wheel of aforesaid set. Brake is engaged with self-locking differential gear. Said brake selectively applies braking force to said first and second wheels via one part of self-locking differential gear to reduce vehicle speed. When said brake is engaged, control unit selectively increases engagement of self-locking differential gear in response to difference in rpm of said first and second wheels exceeding the first preset rpm. Invention covers also the method of vehicle control.EFFECT: better braking, minimised and well-centered vehicle weight.15 cl, 18 dwg

Truck with front and rear driving wheels // 2483947
FIELD: transport.SUBSTANCE: invention relates to vehicles with all-wheel drive. The truck comprises frame, body, strain gauge, driveline including interaxle differential. Interaxle differential comprises two planetary gear sets. The planetary gear sets are switched by gear clutch. The gear clutch is hydraulically driven by piston. The piston is located in two-section working chamber. The working chamber communicates with working fluid pressure source through hydraulic on/off control valve. Hydraulic control valve is operated by electric magnet. The electric magnet by one its electric circuit is connected via threshold element to strain gauge, and by its other electric circuit - to transmission low gear actuation sensor. In the electric circuit connecting electric magnet with strain gauge, self-reset circuit-opening relay contact. The contact is connected to transmission high gear actuation sensor.EFFECT: better drivability and flotation of vehicle.2 cl, 2 dwg

All-wheel drive truck // 2483945
FIELD: transport.SUBSTANCE: invention relates to vehicles with all-wheel drive. The truck comprises cabin, cargo body, strain gauge, transmission to transfer torque moment from engine to front and rear driving axles. In the kinematic chain of driveline, transmission with clutch and transfer gear with interaxle differential is located. Interaxle differential comprises two planetary gear sets. The planetary gear sets are switched by gear clutch. The gear clutch is driven by piston. The piston is located in two-section chamber communicating with working fluid pressure source via four-way hydraulic on/off control valve. Hydraulic control valve is operated by electric magnet. The electric magnet is connected to strain gauge via threshold element. The strain gauge responds to cargo presence in truck body.EFFECT: better drivability and flotation of vehicle.3 cl, 2 dwg

All-wheel drive truck // 2483944
FIELD: transport.SUBSTANCE: invention relates to vehicles with all-wheel drive. All-wheel drive truck includes cabin, cargo body, transmission to transfer torque moment from engine to front and rear driving axles. In the kinematic chain of transmission, there is transfer gear with interaxle differential. Interaxle differential comprises two planetary gear sets. The planetary gear sets are switched by gear clutch. The gear clutch is driven by piston. The piston is located in two-section chamber communicating with working fluid pressure source via four-way on/off control valve. The control valve is operated by electric magnet. The electric magnet is connected to step switch. The step switch is driven from rear driving axle beam.EFFECT: better drivability and flotation of vehicle.3 cl, 2 dwg

Device to distribute driving forces // 2381916
FIELD: automotive industry.SUBSTANCE: proposed device comprises differential mechanism, driving force regulator and differential limiter. Differential mechanism can distribute driving forces generated by vehicle drive for LH and RH wheels to allow differential torque on said LH and RH wheels. Driving force regulator regulates each distributed driving force. Differential limiter limits torque difference between LH and RH wheels by applying limiting torque to differential mechanism.EFFECT: higher stability.4 cl, 9 dwg

Vehicle positive locking differential // 2304243
FIELD: mechanical engineering; vehicle transmissions.SUBSTANCE: proposed differential contains case 1, side gears 2, and 3, planet pinions and locking device. Locking devices is made in form of ring shifter 7 connected with drive 8, pushers 10 arranged inside axles 9 of planet pinions, intermediate members and locking members. Differential includes also elastic stop, and spring inserts 17 and 18 placed between case 1 and rear surfaces 20 and 21 of side gears 2 and 3. Grooves are made on end face front surfaces of side gears 2 and 3. Said grooves have wavy profile corresponding to profile of locking members, and number of radial grooves is even.EFFECT: prevention of failure of differential lock caused by wedging of locking members between side gears, and falling out of locking members at unlocking, provision of stepless row of values of locking coefficient.5 cl, 6 dwg

ethod to control differentials of multidrive wheeled vehicles // 2298486
FIELD: mechanical engineering.SUBSTANCE: invention relates to methods of control of differential locking of multidrive wheeled vehicles and it can be used at designing of systems to control tractive forces of driving wheels of multidrive vehicles and carrying out investigations of wheeled vehicles. proposed method of control of differential locks comes to locking of differential for definite periods of time at threshold values of mismatching of mechanical parameters of driving wheels intercoupled by said differential and unlocking differential at expiration of definite of time or at achievement of threshold value of steerability index. Unlocking of differentials at achievement of threshold value of steerability index is carried out individually, starting from differential whose locking has greater effect on steerability of wheeled vehicle.EFFECT: enlarged range of control of traction forces on driving wheels to increase cross-country capacity and traction and speed properties at provision of required steerability of multidrive wheeled vehicles.1 dwg

uscular drive // 2270780
FIELD: transport engineering; bicycles.SUBSTANCE: invention is designed for devices automatically changing gear ratio without interruption of power flow. Proposed drive contains two differentials. Force sensor 5 is installed between input shaft 8 and common input of both differentials, namely power differential 1 and regulating second differential 2. Said force sensor 5 cuts in braking device 4 at rise of load, said braking devices is idling at direct drive and is connected with regulating input of second differential 2. As a result, output gear 21 of second differential 2 starts rotating and self-braking drive 3 releases carrier 25 of power differential 1. Proposed drive automatically changes over from direct drive to drive with changed gear ratio. Moment of changing over can be regulated by tensioner 6 of spring 19 of force sensor.EFFECT: facilitated selection of step-down gear in wide range of gear ration depending on individual capabilities of user.1 dwg

The device for locking the bevel differential // 2057033
The invention relates to the field of engineering, namely, devices for locking the bevel differentials vehicles
 
2550954.
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