614 results about "Torque converter" patented technology

The invention relates to the technical field of torque converters, in particular to a hydrodynamic transmission power chain optimization method and system.The method comprises the steps that a hydrodynamic torque converter parameterized geometric model is built, and a pump impeller blade outflow angle, a guide wheel runner input / output angle, turbine blade geometric parameters and the relative position of a pump impeller and a turbine are set as design variables; based on CFD three-dimensional flow field simulation, a k-epsilon model is adopted for rapid analysis, an SST model is adopted for transient simulation, and simulation data under different variable combinations are obtained; training a BP neural network by using the simulation data, inputting each design variable, and constructing a multi-target optimization model with maximization of efficiency and minimization of noise as targets; a design variable combination is selected in the Pareto optimal solution set, a model is reconstructed, and an optimized hydraulic torque converter is obtained; according to the method, the problems that the design optimization efficiency of the hydraulic torque converter is low, the parameter adjusting period is long, and good compromise between the transmission efficiency and noise suppression is difficult to obtain can be solved.

A lock for a motor vehicle, comprising a locking mechanism composed of a rotary latch and at least one pawl, an assisted closing device, an electric drive, and a torque converter, wherein a variable torque is adjustable in the assisted closing device by means of the torque converter, and wherein the assisted closing is achieved at least in some regions by means of a frictional connection.

The invention discloses a compact-structure transmission which comprises a gearbox body, a torque converter is mounted on the outer side of the gearbox body, a turbine shaft of the torque converter is connected with a clutch shaft on the gearbox body, and the clutch shaft, a first idler shaft, a second idler shaft, a front axle gear shifting output shaft and a rear axle output shaft are arranged in the gearbox body; the clutch shaft is movably connected with a first gear and a second gear through bearings, a third gear and a fourth gear are fixed or formed on the first idler shaft, and a fifth gear, a sixth gear, a seventh gear and an eighth gear are fixed or formed on the second idler shaft. The front axle gear shifting output shaft is movably connected with a ninth gear, a tenth gear, an eleventh gear and a twelfth gear; a manual control mechanical gear shifting structure and a wet clutch control reversing structure are adopted, multi-gear advancing and retreating are achieved, the size is small, and occupied space is small.

An aftermarket hybrid conversion system enables retrofitting existing combustion engine vehicles with electric assist capabilities. The system includes a variable speed electric motor with regenerative braking, coupled to the vehicle's drive shaft through a power input gearbox and torque converter. An energy storage system combines lithium polymer batteries and supercapacitors in parallel configuration, charged through regenerative braking and the vehicle's alternator. Steering wheel-mounted paddle shifters provide user control, with the left paddle engaging regenerative braking and the right paddle controlling electric assist power. An electrical controller manages power flow, implements safety protocols, and synchronizes motor operation. The system provides supplemental torque equivalent to the original engine's output while capturing otherwise wasted braking energy. Adaptable to various vehicle types from classic cars to heavy haul trucks, the system enhances performance and efficiency without requiring extensive vehicle modifications or compromising original drivetrain integrity.

The invention relates to the technical field of hydraulic mechanical transmission, in particular to a hydraulic torque converter assembly, a vehicle and a control method. The hydraulic torque converter assembly comprises a hydraulic torque converter, a pressure adjusting assembly and a rotating direction adjusting assembly, wherein the hydraulic torque converter is provided with an output shaft; the pressure adjusting assembly is connected to an oil inlet of the hydraulic torque converter and used for adjusting the pressure of the oil inlet of the hydraulic torque converter. The rotating direction adjusting assembly is connected with the output shaft and used for changing the rotating direction of the output shaft. When a vehicle goes down a long slope, the rotation direction of the output shaft is changed through the rotation direction adjusting assembly, the requirement for long-time retarding braking of the vehicle is met through the reverse rotation characteristic of the torque converter, compared with traditional reverse transmission braking, higher braking torque can be provided, and due to the fact that the pressure of an oil inlet of the hydraulic torque converter is adjustable, automatic adjustment can be conducted according to different braking torque requirements; and different slope requirements when the vehicle goes down a long slope working condition are met.

An automatic transmission (1) includes a transmission housing, a hydrodynamic torque converter (5), a first brake, a second brake, an intermediate plate (6) fixedly connected to the transmission housing and with ducts for supplying the hydrodynamic torque converter (5) and the two brakes (A, B) with oil. An oil guide shell (7) is arranged between the hydrodynamic torque converter (5) and the intermediate plate (6). Oil coming from the two brakes sinks via oil ducts (39.1, 39.2, 39.3) in the transmission housing and the intermediate plate (6) via the inflow opening (40) in the oil guide shell (7). The hydrodynamic torque converter (5), via rotation, conveys the oil to the elevated oil ejection opening in the oil guide shell (7), from where the oil sinks into the tank (8) via a gap (52) delimited by the oil guide shell (7) and the intermediate plate (6).

The invention discloses a wet clutch of a hydraulic mechanical transmission for a vehicle and the vehicle, and belongs to the technical field of vehicle clutches, the wet clutch comprises a turbine shaft, the left end of the turbine shaft can be connected to a hydraulic torque converter, the right end of the turbine shaft is provided with a transmission part, the transmission part can be connected to a mechanical gearbox, and the transmission part comprises a clutch outer hub; the clutch outer hub is connected to the turbine shaft in a sleeving mode, and a piston, a friction plate, a dual plate and an output gear are sequentially arranged on the clutch outer hub in the transmission direction. The piston can be controlled by oil pressure to move rightwards so as to press the dual plate and the friction plate; the piston is further provided with a spring set, and the spring set is used for resetting the piston. The wet clutch is provided with a lubricating system and an oil pressure system, and the oil pressure system is provided with a proportional electromagnetic valve. A dry clutch can be replaced at the same position, the axial size is smaller than that of the dry clutch, the chassis space is saved, the torque requirement within a certain range is met, the cost is reduced, gear shifting is more stable and smooth, and the driving experience is improved.

The invention relates to the technical field of static or dynamic balance testing of machines or structural parts, and provides a testing method and device and a computer readable storage medium. The testing method comprises the steps that a pump wheel of a hydraulic torque converter is driven to rotate at a first rotating speed, and a turbine of the hydraulic torque converter is driven to rotate at a second rotating speed; and after the hydraulic torque converter rotates for a preset time, vibration information of the hydraulic torque converter is obtained and processed, processed vibration information is obtained, and test result information of the dynamic balance test of the hydraulic torque converter is output according to the first rotating speed, the second rotating speed and the processed vibration information. According to the test method, the actual working condition of the hydraulic torque converter can be simulated more truly, so that the test precision is improved, the test result of the dynamic balance test can be directly output according to the first rotating speed, the second rotating speed and the processed vibration information, and the test result can be conveniently and quickly obtained.

The invention discloses a vehicle engine flameout prevention control method and device, a vehicle comprises an automatic transmission, the automatic transmission comprises a hydraulic torque converter and a starting clutch, and the hydraulic torque converter comprises a turbine. When the WRD working condition of wrong direction occurs during vehicle gear shifting, a turbine may reversely rotate, so that the load of an engine is increased, and the risk of flameout of the engine is caused. On the basis, whether the turbine reverse rotation working condition exists or not after vehicle gear shifting is firstly recognized. Meanwhile, no matter whether the WRD working condition occurs or not, the starting clutch is controlled to be connected after gear shifting of the vehicle, so that the power response speed of the vehicle is increased. And furthermore, when it is confirmed that the turbine reverse rotation working condition exists, the flameout risk degree of the vehicle is pre-estimated. When the flameout risk degree of the vehicle meets the preset condition, it is indicated that the flameout risk degree of the vehicle is high. At this time, the target oil pressure of the starting clutch is controlled to be reduced so as to open the starting clutch, cut off power transmission, relieve the turbine reverse rotation phenomenon and prevent the vehicle engine from stalling.

The invention discloses an engine multi-vehicle-type adaptive NVH quality optimization method and system, and belongs to the technical field of automobile engine debugge.The method comprises the steps that after an engine is installed on a to-be-adapted vehicle, vehicle working condition data are collected in real time, the vehicle working condition data comprises a vehicle speed, an accelerator opening degree, an engine rotating speed, a gear, a hydraulic torque converter locking state and an engine oil temperature signal; the vehicle working condition data is compared with the working condition of the engine noise sensitive working condition, and whether the engine noise sensitive working condition is entered or not is recognized; when the engine has the noise sensitive working condition, an NVH control strategy embedded in an engine electronic control unit is activated; the NVH control strategy comprises adjustment of an engine ignition angle and oil injection parameters; the engine is controlled according to the ignition angle optimization control instruction and the oil injection parameter optimization instruction; and when the vehicle runs out of the working condition of the noise sensitive working condition of the engine or gear shifting is completed, the conventional combustion control logic is recovered. And the rising rate of the pressure in the cylinder is effectively reduced, so that the structural knocking noise within the range of 150-600Hz is inhibited.

A feedforward control method for an electrified powertrain including a torque transfer device arranged between an electric motor and a transmission includes monitoring a set of operating parameters of the electrified powertrain, determining a desired input speed for the torque transfer device based on the set of operating parameters, determining a desired input torque for the torque transfer device based on a characteristics model or map of the torque transfer device and the desired input speed, performing an observer-based determination of a final feedforward torque for the torque transfer device based on the desired input speed, the desired input torque, a filtered actuator achieved torque for the electric motor, and minimum and maximum torque limits for the transmission, and controlling the electric motor based on the final feedforward torque for the torque transfer device.

The invention discloses a high-power petroleum fracturing truck transmission system which comprises a torque converter and a gearbox which are integrated, and the gearbox is of a fixed shaft and planet structure. The torque converter comprises a shell a, a torque conversion mechanism is arranged in the shell a, and the torque conversion mechanism is connected with an input assembly; the gearbox comprises a shell b, the shell b is fixedly connected with the shell a, a parallel shaft transmission system in transmission connection with the output end of the torque conversion mechanism and a planet wheel transmission system in transmission connection with the output end of the parallel shaft transmission system are arranged in the shell b, and the output end of the planet wheel transmission system is connected with the output assembly; the gear of the parallel shaft transmission system is three, the gear of the planet wheel transmission system is three, and the gear of the parallel shaft transmission system is nine. The advantages of fixed shaft transmission and planetary transmission are combined, balance is carried out, the reliability is high, meanwhile, the weight can be reduced, and the transmitted torque can be improved. And the torque converter and the gearbox are integrally arranged, so that the overall size is reduced, and the mounting space is saved.

The invention discloses a virtual fuel vehicle power assembly mapping method and system. The method comprises the steps that the vehicle speed of an electric vehicle and input signals of an accelerator pedal and a brake pedal are received; performing nonlinear mapping on the accelerator pedal input signal to generate a virtual accelerator opening degree, and performing cooperative control in combination with a brake pedal signal; based on the vehicle speed and the virtual accelerator opening degree, a virtual target gear is determined through a multi-dimensional gear shifting diagram and a self-adaptive gear shifting strategy; the method is characterized in that a dynamic slip frequency factor related to the vehicle speed, the virtual accelerator opening degree and the brake pedal opening degree is introduced in the non-gear-shifting state so as to simulate the slip frequency effect of a torque converter; in the gear shifting state, transient smooth transition of the rotating speed is simulated. According to the method, the nonlinear dynamic behavior of the fuel vehicle can be accurately simulated in real time with low calculation overhead, the authenticity and immersion of simulation are remarkably improved, and powerful support is provided for virtual testing, control system development and man-machine interaction application.

The present invention provides a collaborative robot that allows for easy attachment and detachment of the fifth-axis motor and torque converter from the upper arm. [Solution] The output shaft 512 of the fifth-axis motor 51, which rotates the support arm 16 of the collaborative robot 1 around the fifth axis A5, is positioned along the fourth axis A4. Inside the upper arm 15 of the collaborative robot 1, the fifth-axis motor 51 and a torque converter 53 that converts the torque of the output shaft 512 into torque around the fifth axis A5 are housed. The upper arm 15 is a cylindrical housing and has an arm body 151 with an opening 2 for mounting the fifth-axis motor 51 and the torque converter 53, and a cover 152 that covers the opening 2 and is attached to the arm body 151. When viewed from a direction along the fifth axis A5, the fifth-axis motor 51 and the torque converter 53 are housed in the internal region within the opening edge 20 of the opening 2.

A hybrid module includes a rotor carrier, a torque converter, and a thrust bushing. The rotor carrier includes an axially extending portion and a radially extending portion extending radially inward from the axially extending portion. The torque converter includes an impeller having an impeller shell fixed to the rotor carrier and an impeller hub fixed to the impeller shell. The impeller hub extends in an axial direction away from the radially extending portion of the rotor carrier to a distal end. The thrust bushing is connected to the impeller hub. The thrust bushing includes an axial portion in contact with the impeller hub and a radial portion extending radially outward from the axial portion. The radial portion is in contact with the distal end.

A torque converter includes a lock-up device, an urging member, a cover, an impeller, a turbine, a first hydraulic chamber, and a second hydraulic chamber. The lock-up device includes a clutch part and a piston. The urging member urges the piston toward the clutch part. A first oil pathway communicates with the first hydraulic chamber. A second oil pathway communicates with the second hydraulic chamber. A switch is provided. In a first switch position, hydraulic oil is supplied to the first hydraulic chamber through the first oil pathway. In a second switch position, hydraulic oil is supplied to the second hydraulic chamber through the second oil pathway. The piston presses the clutch part when the hydraulic oil is supplied to an interior of the first hydraulic chamber. The piston releases the clutch part when the hydraulic oil is supplied to an interior of the second hydraulic chamber.

The invention discloses a method, a device and equipment for processing clamping stagnation of a hydraulic control loop of a hydraulic torque converter. The method, the device and the equipment are used for realizing self-cleaning of clamping stagnation of the hydraulic control loop of the hydraulic torque converter. The method comprises the steps that vehicle gear information, the vehicle speed, the engine rotating speed and the turbine rotating speed are obtained; when the vehicle gear information, the vehicle speed, the engine rotating speed and the turbine rotating speed meet the target conditions, it is determined that the hydraulic torque converter hydraulic control loop is in a clamping stagnation state; and when the hydraulic control loop of the hydraulic torque converter is in a clamping stagnation state, the hydraulic torque converter is controlled to control the current of the electromagnetic valve to change in a pulse form.

A method for assembling a pilot into a torque converter housing is provided, comprising: (a) providing the pilot having an annular flange in a mating region; (b) forming a torque converter housing with a complementary recess or annular groove in the annular flange in a mating connection region; (c) positioning the pilot in the torque converter housing with the annular flange at least partially engaged in the complementary recess or annular groove; and (d) applying force and energy to the pilot to weld it to the torque converter housing. A torque converter assembly is also provided.

The present invention relates to a multifunctional electromagnetic torque converter and a hybrid system composed of the same. The converter comprises a housing, an input shaft, an output shaft, a clutch plate, an inner rotor fixedly mounted on the input shaft, and a plurality of permanent magnets are evenly distributed on the outer circumference of the inner rotor; a stator winding No. 1 is coaxially sleeved outside the inner rotor, and a plurality of coil windings are arranged on its inner circumference, and the coil windings of the stator winding No. 1 and the permanent magnets of the inner rotor form a first coupling group of mutual magnetic coupling; a stator winding No. 2 is coaxially arranged with the stator winding No. 1, and a plurality of coil windings are arranged on its outer circumference, and the second ring sleeve is fixed on the housing; an outer rotor fixedly mounted on the output shaft comprises a circular plate and an annular cylinder, and a plurality of permanent magnets are evenly distributed on the inner circumference of the annular cylinder, and the permanent magnets of the outer rotor and the coil windings of the stator winding No. 2 form a second coupling group of mutual coupling; the number of magnetic poles of the first coupling group and the second coupling group are different. The converter has multiple functions such as a torque converter, a clutch, power generation, a synchronizer, a hybrid, a starter, and brake energy recovery.

The present invention relates to a torque converter mechanical stop damper that has a simplified manufacturing process and prevents the outer springs from reaching their solid length. To achieve this, a torque converter mechanical stop damper is implemented comprising a drive plate; at least one outer spring; and a driven plate, wherein the driven plate further comprises at least one mechanical stop configured to contact the drive plate when the drive plate compresses each outer spring, and each mechanical stop is positioned to prevent each outer spring from reaching its solid length.

To provide a hybrid vehicle with improved responsiveness in recovering from fuel cut-off. [Solution] The system comprises an engine, a filter for collecting exhaust particulate matter from the engine, a motor provided on a power transmission path between the engine and the drive wheels, a torque converter having a lock-up clutch provided on the power transmission path between the motor and the drive wheels, and a control device, wherein the control device includes a determination unit that determines whether there is a request to return from fuel cut-off in the engine based on accelerator input while performing auxiliary regeneration control in which the motor assists the rotation of the engine while releasing the lock-up clutch to regenerate the filter by cutting off fuel in the engine, and an auxiliary return control unit that, if the determination unit makes an affirmative determination, restarts fuel injection in the engine with the lock-up clutch released and assists the rotation of the engine with the motor.

The invention discloses a punching device and method for a high-precision hydraulic torque converter cover plate, and the punching device comprises a lower die assembly which comprises a lower die barrel, a buffer barrel, a sealing plate and a telescopic unit, the barrel bottom of the lower die barrel is provided with a positioning part and a supporting part, the supporting part is provided with a through hole, and the buffer barrel is provided with a communicating hole; the upper die assembly comprises an upper pressing pipe, a punching rod and a punching unit, and the outer diameter of the punching rod is smaller than or equal to the inner diameter of the corresponding through hole. According to the punching device and method for the high-precision hydraulic torque converter cover plate, after a blank is supported, positioned, locked and fixed, the telescopic unit drives the sealing plate to move upwards, so that after the amount of fine sand in the lower die barrel is increased, the contact area between the fine sand and the lower surface of the blank is increased, and therefore stable supporting of the fine sand is achieved; the deformation of the blank during punching is reduced, and the punching precision is improved, so that the product quality is favorably improved.

A method for controlling a torque output of a hybrid power machine, comprising the following: during a temporary increase in torque in response to a change in the target output torque of a powertrain (200), setting a power machine output torque and a motor output torque in response to a change in the target output torque of the powertrain (200), Adjusting the motor output torque in response to a response to a speed of a drive wheel (285) of a torque converter (206), characterized by Adjusting the power machine output torque for a power machine torque error in response to the settings of a motor torque.

This utility model provides a positioning device for improving the transmission accuracy of a torque converter assembly, belonging to the field of mechanical engineering technology. It includes a mounting mechanism and a mounting component. The mounting component has a chassis and a mounting groove formed on the chassis. The torque converter assembly is detachably mounted in the mounting groove. The positioning mechanism includes a drive component and a limiting component. This utility model, through improved structural design of the positioning device, effectively solves the problems of low positioning accuracy, unstable clamping, and easy damage to the workpiece surface in traditional torque converter assembly positioning methods. It adopts a flexible protection mechanism combining an elastic contact surface and a buffer pad layer, which not only improves clamping stability but also reduces the risk of wear on the torque converter assembly surface. Simultaneously, by using a knob to drive the limiting component, it achieves simultaneous improvement in operational convenience and positioning accuracy, effectively ensuring the transmission performance and service life of the torque converter assembly and meeting the needs of high-precision assembly and efficient production.

The utility model discloses a kind of compactor winch mechanism driven by motor, belong to compactor device technical field.A kind of compactor winch mechanism driven by motor, including reel, further include: motor, the output end of the motor is fixedly connected with torque converter;Planetary reducer, with the output end of torque converter fixed connection, and the planetary reducer is installed in reel;Normally open inner expansion clutch, is installed on the output end of planetary reducer;The utility model drives combination by motor plus torque converter, and working efficiency is higher;Motor is more easily accurate control, conducive to the intelligent development of compactor;Energy conservation and emission reduction, green environmental protection;Motor structure is simple, easy to install and refit.

A torque converter, which may be found in an automotive transmission, is provided. In some examples, the torque converter includes a shell that extends about an axis of rotation, a core that extends about the axis of rotation, and a plurality of curved blades that extend contactedly from the shell to the core. At least one blade of the plurality of curved blades may include a non-ruled surface. The at least one blade of the plurality of curved blades may narrow as it extends from the shell to the core.

The embodiment of the invention discloses a vehicle control method and device, and the method comprises the steps: determining that a vehicle needs to enter a torque limiting mode when the actual input torque and the limit input torque of a differential mechanism of the vehicle meet a first condition; the maximum output torque of the engine is calculated according to the limit input torque, the inertia torque of the engine, torque increase of a hydraulic torque converter, torque loss of an oil pump and torque conversion parameters between a differential mechanism and a transmission, the input end of the hydraulic torque converter is connected with the output end of the engine, and the output end of the transmission is connected with the input end of the differential mechanism; the input end of the transmission is connected with the output end of the hydraulic torque converter, the input end of the oil pump is connected with the input end of the hydraulic torque converter, and the engine controller can limit the torque of an engine according to the maximum output torque by sending a torque limiting request including the maximum output torque to the engine controller. Therefore, the output torque of the engine is accurately controlled, and the differential is protected.

A hydrodynamic-mechanical power transmission device includes: an input shaft; an output shaft; a basic transmission configuration including a hydrodynamic converter and a superimposition transmission, the hydrodynamic converter including a pump impeller and a turbine wheel, the superimposition transmission being formed as a planetary transmission including a ring gear, a first sun gear, and a planet carrier with a plurality of planetary gears, the input shaft being connected to the pump impeller and the ring gear, the turbine wheel being connected to the first sun gear, the output shaft being connected at least indirectly to the planet carrier; and an additional transmission stage, which is arranged in a direction of a power transmission between the superimposition transmission and the output shaft, the additional transmission stage including an input and an output, the input being connected to the planet carrier, the output being connected to or forming the output shaft.

To provide an air conditioning system for electric vehicles that does not require a fuel tank. [Solution] The air conditioning unit 38 of the electric vehicle 12 is equipped with a heat generation control unit 84 that, when there is a heat generation demand, drives the second electric motor MG2 with the lock-up clutch 20 released, thereby raising the temperature of the fluid that transmits power in the torque converter 22 and using it as a heat source for the air conditioning unit 38. This provides an air conditioning unit 38 for the electric vehicle 12 that heats up quickly and provides sufficient heating performance.