58 results about "Torque converter" patented technology

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.

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.

Torque converter (10) which includes: a rotation axis (A); a stator assembly (26, 226) comprising a side plate (36, 236) with a first radial surface and a thickness (t); a turbine (20) containing a plurality of blades (79); an impeller (18) comprising a plurality of blades (81) and an impeller housing (16) with a second radial surface facing the first radial surface of the side plate (36, 236); a hydrodynamic thrust bearing (50, 250) arranged between the stator side plate (36, 236) and the impeller housing (16) and comprising: a pressure surface (52, 252) facing the first radial surface or the second radial surface, with a fluid channel in between; a bearing surface (54, 254) which is opposite the pressure surface (52, 252) and faces the other radial surface, the first radial surface or the second radial surface; an inner circumferential surface (56, 256) that defines an opening concentric to the axis of rotation (A); an outer circumferential surface (58, 258); and an axial retaining means (60) for attachment to the stator side plate (26, 236) or the impeller (18), comprising at least two elastic tongues (60), each tongue comprising: a bendable section (262); a lockable section (264); and an axial section (266) with a first width (w2) connecting the bendable section (262) and the lockable section (264), wherein the bendable section (264) also serves as a lockable section (264), and wherein the axial section (266) with a width (w2) connects the bendable section (264) to the radial surface (254).

An improved torque converter may include a front cover and a piston disposed for movement within an internal bore of the front cover between unlocked and locked positions. The piston includes at least one one-way flow device disposed in the piston. The at least one one-way flow device permits fluid flow therethrough from a rear side of the piston to a forward side of the piston when in in an open position and restricts fluid flow therethrough from the forward side of the piston to the rear side of the piston when in a closed position. A clutch assembly is disposed between the rear side of the piston and the top plate that is disposed within and secured to the front cover. The clutched assembly is engaged to the top plate when the piston is in its locked position, and disengaged when the piston is in its unlocked position.

A method for torque control of an internal combustion engine of a vehicle according to a transmission hydraulic pressure, comprising: providing an internal combustion engine torque converter connected to the internal combustion engine and an automatic transmission of the vehicle, the internal combustion engine torque converter being configured to distribute the torque of the internal combustion engine to the wheels of the vehicle; confirming (S10), by an internal combustion engine torque control device (10), whether a turbine speed differential satisfies an internal combustion engine torque control entry condition during the shifting of the automatic transmission; calculating (S20), by the internal combustion engine torque control device (10), a required turbine torque to prevent a shift shock using at least one of a turbine angular acceleration, a driving resistance torque, or a clutch magnet torque; performing (S30),by the internal combustion engine torque control device (10), using a turbine torque factor learning, as a stored value of the turbine torque factor learning, a result obtained by applying an accelerator pedal value and / or an internal combustion engine torque and / or a transmission fluid temperature at the beginning of the actual shifting operation, to an entry condition of the turbine torque factor learning under the condition that no breakaway occurs during the shifting operation, applying an average turbine acceleration or an average internal combustion engine torque reference reduction to a condition to prevent the turbine torque factor learning, and generating and storing the result of the turbine torque factor learning according to the shift time that started at the actual shift start point, convert (S40), by the internal combustion engine torque control device (10),of the stored value of the turbine torque factor learning into an internal combustion engine torque control value by the required turbine torque, and applying, by the internal combustion engine torque control device (10), the internal combustion engine torque control value to the output of the internal combustion engine.

1. Name of the product in this design: Torque converter positioning fixture. 2. Purpose of this design: For positioning torque converters. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

A hybrid module includes an electric motor having a rotor, a torque converter with a cover rotatably connected to the rotor, a K0 shaft and a K0 clutch. The torque converter is arranged for driving engagement with an input shaft of a transmission and the K0 shaft is arranged for driving connection to a crankshaft of a combustion engine. The K0 clutch is arranged for selectively rotatably connecting the rotor to the K0 shaft, and includes a piston sealed to the cover at a radially inner portion and at a radially outer portion.

The application discloses a kind of hydraulic torque converter, auxiliary tool and assembly method, belong to the field of transmission, including the hydraulic torque converter cover wheel, hydraulic torque converter spline board, friction plate back plate and hydraulic torque converter pump wheel that are sequentially fixedly connected;The bottom end of the hydraulic torque converter pump wheel is fixedly connected with driving teeth, and the hydraulic torque converter cover wheel, hydraulic torque converter spline board, friction plate back plate, hydraulic torque converter pump wheel and driving teeth form a first cavity, and a coaxial hydraulic torque converter locking disc, turbine hub and guide wheel seat are sequentially arranged at the center of the first cavity;In the assembly method, the hydraulic torque converter assembly does not need to be reversed, which avoids the large safety hazard caused by the large weight and volume of the torque converter itself during tooling and turning, and improves the assembly efficiency during assembly, ensures the consistency of the assembly method, and further ensures the consistency of the hydraulic transmission assembly.

The present application belongs to the technical field of control of hydraulic transmission gearbox, and particularly relates to a proportional hydraulic control system of a hydraulic transmission gearbox for a forklift. The proportional hydraulic control system comprises an oil supply pump, a main pressure regulating valve, a relief valve, a hydraulic torque converter, a cooler, a gear shifting electromagnetic valve, a micro-motion valve, a gear control directional valve, a forward gear proportional valve, a reverse gear proportional valve, a forward I-gear clutch, a forward II-gear clutch, a reverse I-gear clutch and a reverse II-gear clutch. The gear shifting electromagnetic valve adjusts the working position of the gear control directional valve, and the opening degree of the forward gear proportional valve and the reverse gear proportional valve is adjusted, so that the proportional hydraulic control system realizes the adjustment of the neutral gear, the forward 1-gear, the forward 2-gear, the reverse 1-gear and the reverse 2-gear of the vehicle. Meanwhile, the working position of the micro-motion valve is adjusted through the micro-motion pedal, so that the micro-motion operation of the vehicle is realized. Therefore, the present application can realize the smooth control of the combination and reversing of the four clutches by using only two proportional valves and one electromagnetic valve.

A method for heating a transmission (3) having a torque converter (11), wherein different gears (R1, R2, R3, V1, V2, V3) can be engaged by selectively manipulating clutches (K1, K2, K3, KR, KV), wherein the transmission (3) is locked on the output side, thereby fixing the turbine shaft (12) of the torque converter (11) during the introduction of drive power into the transmission (3) by drive element (2), characterized in that the locking is achieved by manipulating clutches (K1, K2, K3, KR, KV) such that two different gears (R1, R2, R3, V1, V2, V3) in one direction of travel are engaged simultaneously.

This invention relates to the field of hydraulic torque converter manufacturing, specifically to a multi-functional welding device for hydraulic torque converter production. The device includes a worktable with columns mounted at each of the four corners above the worktable. Upper fixed seats are mounted on the four sets of columns, and hydraulic cylinders are installed within the upper fixed seats. This invention achieves precise alignment and clamping of the upper and lower housings of the hydraulic torque converter through a linkage-type centering clamping structure. Multiple sets of fixed arms synchronously center and clamp, ensuring housing coaxiality and eliminating assembly deviations. Flexible clamping prevents workpiece scratches and weld loosening, solving the problems of large alignment deviations and insufficient clamping reliability in existing processes. Simultaneously, a stable vacuum welding environment is created through a vacuum-sealed cavity, isolating air and eliminating defects such as weld oxidation and porosity. Combined with a precise transmission structure controlling the welding torch's uniform speed movement, it ensures uniform weld formation, significantly improving weld strength and service reliability, and guaranteeing the safe operation of the entire hydraulic torque converter.

This invention provides an eight-forward, three-reverse planetary transmission; including a hydraulic torque converter, a rotary clutch, a brake, and a planetary gear set; this invention achieves eight forward gears and three reverse gears through four planetary gear sets, four brakes, and three clutches, making the transmission structure more compact, the transmission and shifting process smooth, the transmission ratio range wider, easier to automatically control, and convenient for operation under different working conditions.

This invention relates to a multi-level back electromotive force (EMF) suppression circuit for a large magnetic moment torque converter, comprising: an H-bridge drive circuit configured to drive a large magnetic moment torque converter load; an isolation diode, the anode of which is connected to a power supply terminal to which a supply voltage is applied, and the cathode of which is connected to the anode of the H-bridge drive circuit, forming a back EMF detection point; an energy discharge control circuit electrically connected to the detection point; a first-stage TVS suppression circuit, the cathode of which is connected to the power supply terminal, and the anode grounded; and a second-stage TVS suppression circuit connected to both ends of the large magnetic moment torque converter load. This invention, through the coordinated operation of multiple protection circuits, maximally suppresses and eliminates the back EMF generated from the load end.

This invention relates to the field of aviation ground equipment technology, and more specifically, to an intelligent temperature control and heating system and control method for an aircraft de-icing vehicle. The system includes: an ice storage tank for storing de-icing fluid; a torque converter pump for dynamically adjusting the flow rate and rotation speed of the de-icing fluid according to control commands; a heating furnace for segmented heating of the de-icing fluid; a spray gun assembly for spraying the heated de-icing fluid; a return loop for returning a portion of the de-icing fluid to the ice storage tank; multi-parameter sensors; and a controller configured to acquire the inlet and outlet temperatures, and dynamically adjust the number of combustion chambers opened and the flow rate of the torque converter pump based on the deviation between the outlet temperature and the target temperature, thereby achieving closed-loop control of the outlet temperature. This invention achieves precise and constant control of the de-icing fluid outlet temperature through segmented independent combustion chambers combined with stepless speed regulation of the torque converter pump and closed-loop feedback from dual inlet / outlet temperature sensors.

A sealed piston assembly and related system for a vehicle torque converter are disclosed. The disclosed vehicle torque converter includes a housing and a clutch, the clutch including a piston within the housing. The piston has a first side partially defining a first chamber and a second side opposite the first side partially defining a second chamber. The vehicle torque converter also includes a first seal operably coupled to the piston and a second seal operably coupled to the piston. The vehicle torque converter also includes a bore radially inwardly positioned on the piston relative to a clutch assembly of the clutch. This bore is configured to provide fluid flow between the first and second chambers to lubricate the clutch during lock-up / unlock operation of the vehicle torque converter. The first seal is a one-way seal.

The present application belongs to the technical field of intersection of computational fluid dynamics and artificial intelligence, and in particular to a high-precision prediction method for a hydrodynamic torque converter cavitation flow field. The method comprises the following steps: S1: obtaining transient CFD flow field simulation data inside the guide wheel flow passage of the hydrodynamic torque converter; S2: constructing a multi-task neural network model; S3: constructing a hybrid supervised loss function for optimizing the cavitation prediction sub-network; S4: training the neural network model by adopting a three-stage decoupling strategy; S5: constructing a physical residual loss term based on the law of conservation of fluid dynamics; and S6: inputting the space-time coordinates to be predicted into the trained neural network model. The present application improves the recognition accuracy of sparse cavitation features, enhances the training stability of complex multiphase flow fields, improves the physical consistency of the prediction results, and significantly improves the calculation efficiency of the cavitation flow field.

This invention discloses a magnetic drive transmission suitable for passenger electric vehicles, belonging to the field of transmission technology. It aims to solve the problems of electric vehicles lacking suitable transmissions; high motor speeds at high speeds with fixed-ratio reducers leading to high energy consumption, rapid battery wear, reduced driving range (by approximately 1 / 3), increased motor and bearing costs, and reduced durability. This transmission utilizes magnetic drive technology to replace traditional gear and friction drives, achieving a variable torque transmission. It is the third type of transmission after gear and friction transmissions worldwide, suitable for passenger gasoline vehicles. A reverse gearbox is added after the magnetic drive transmission. Specifically, the transmission includes two asynchronous magnetic coupling coils for power transmission, speed change, and torque conversion. Power and transmission are adjustable, achieving a continuously variable transmission (CVT) without a clutch, hydraulic torque converter, gears, or fixed-ratio reducer, requiring no shifting, and offering non-contact, zero-friction operation. A reverse gearbox is added after the magnetic drive transmission, also suitable for passenger gasoline vehicles.

This utility model relates to the field of hydraulic transmission equipment technology, specifically to a composite dual-turbine hydraulic torque converter, comprising a dual-turbine hydraulic torque converter body, an input shaft disposed at the input end of the dual-turbine hydraulic torque converter body, and an output shaft disposed at the output end of the dual-turbine hydraulic torque converter body. Both the input and output shafts are fitted with sealing sleeves, which are detachably mounted on the dual-turbine hydraulic torque converter body. A rigid clamping ring is disposed inside the sealing sleeve and fitted onto the corresponding shaft. An inner sealing ring is disposed between the rigid clamping ring and the front cylindrical body of the sealing sleeve. An inner bushing is disposed on the rear side of the rigid clamping ring. Inner fitting gaskets are disposed on both the inner and outer end faces of the inner bushing. The inner fitting gasket on the inner side fits onto the corresponding shaft, and the inner fitting gasket on the outer end face abuts against the rear side of the rigid clamping ring. This utility model has good sealing performance, achieving the effect of improving sealing reliability and ensuring stable equipment operation.

A vehicle control apparatus to be applied to a hybrid vehicle includes an electric motor, an engine, a clutch mechanism, a torque converter, and a control system. In a case of switching a traveling mode of the hybrid vehicle from a motor mode to an engine mode in response to an increase in requested driving force from a first driving force to a second driving force resulting from an operation of an accelerator of the vehicle, the control system starts up the engine and engages the clutch mechanism while controlling the electric motor based on a transition driving force larger than the first driving force. After a lapse of a delay time from completion of starting up of the engine and engaging the clutch mechanism, the control system controls the electric motor and the engine based on the second driving force larger than the transition driving force.

Torque converter (10) which includes: a turbine assembly (12) comprising: a turbine (26) containing a plurality of holes; and a pressure disk (28) connected to the turbine (26), wherein the pressure disk (28) includes a bearing ring (64), at least one retaining pin (70) which projects axially through at least one of the holes of a bearing ring (64), and at least one support pillar (72) projecting axially through at least one of the holes (100) from the bearing ring (64), wherein the retaining pin(s) (70) include a radially outwardly projecting clamp (78) which secures the pressure plate (28) to the turbine (26); and wherein a cover assembly (48) includes a first radial projection (52) and a second radial projection (56), the second radial projection (56) including a seal (58) for slidably retaining an intermediate surface of a piston (42); and wherein the pressure disk (28) is arranged directly between the second radial projection (56) of the cover assembly (48) and a radially inner disk part (32) of the turbine (26).

Torque converter (10) which includes: a wheel (18) containing a wheel housing (16); a turbine (20) containing a turbine casing (352); and a stator (26) axially between the turbine (20) and the impeller (18), wherein a first fluid flow is generated between the impeller (18) and the stator (26) and a second fluid flow is generated between the turbine (20) and the stator (26); and an axial bearing (34) axially between the impeller (18) and the stator (26) or axially between the turbine (20) and the stator (26), wherein the axial bearing (34) includes a bearing surface (36) which serves to maintain a lubricating film on it in a region of the first fluid flow or the second fluid flow during operation of the torque converter (10). wherein the axial bearing (34) comprises a plurality of circumferential sections (41), each circumferential section (41) comprising a first section (42) with a groove (44) extending from an inner circumferential surface (46) of the axial bearing (34) to the outer circumferential surface (48) of the axial bearing (34), a second section (50) comprising a flat surface (52) of uniform thickness, and a third section (54) comprising an inclined surface (56) extending around the circumference between the groove (44) and the flat surface (52), wherein the thickness of the third section (54) gradually decreases along the inclined surface (56) around the circumference from the flat surface (52) to the groove (44). decreases, wherein the flat surface (52) is formed by an abrasion-resistant material (158) which is housed in a slot (160) of the second section (50) of the axial bearing (34).

A lock-up clutch (100) for a torque converter (10), wherein the lock-up clutch (100) comprises: a piston (106) containing a first wedge surface (140); and a support (12b) for supporting the piston (106), wherein the piston (106) is displaceable along the support (12b) in a first axial direction to cause the lock-up clutch (100) to engage; and a wedge (132) which includes a second wedge surface (138), wherein the wedge (132) is axially displaceable along the support (12b), the first wedge surface (140) is arranged and configured with respect to the second wedge surface (138) such that the contact between the first wedge surface (140) and the second wedge surface (138) limits an axial movement of the piston (106) in a second axial direction which is opposite to the first axial direction, wherein the piston (106) includes a stop surface (144) which contacts a further surface (142) of the wedge (132),wherein the stop surface (144) is configured to contact the further surface (142) of the wedge (132) when the piston (106) is displaced in the first axial direction to cause the bridging clutch to engage, wherein the piston (106) includes a groove (134) formed in a surface thereof, the groove (134) being defined by the stop surface (144) and an inclined surface forming the first wedge surface (140), wherein the wedge (132) is a conical ring held on the support (12b) in the groove (134), wherein the groove (134) is formed in an inner circumferential surface (106a) of the piston (106) and the conical ring is held on an outer circumferential surface (122a) of the support (12b), and wherein the piston (106) has a radially extending section (114), which is configured to contact a clutch disc and includes an axially extending section (116),which extends axially from a first end of the radially extending section (114), wherein the inner circumferential surface (106a) in which the groove (134) is formed is located at a second end of the radially extending section (114).

This application relates to the field of vehicle technology, and provides a method, system, and electronic device for detecting faults in a hydraulic torque converter. The method includes the following steps: acquiring pressure data and rotor speed of the hydraulic torque converter under operating conditions; the pressure data includes at least: the inlet pressure of the lock-up clutch fluid, the inlet pressure of the hydraulic circulation cylinder fluid, and the outlet pressure of the hydraulic circulation cylinder fluid; determining the operating state of the lock-up clutch based on the pressure data and rotor speed; the operating state includes at least: engagement state, slip state, and disengagement state; determining the fault level and fault type of the hydraulic torque converter using a preset algorithm based on the first pressure difference and first speed difference obtained from the operating state of the lock-up clutch; and obtaining a corresponding adjustment strategy based on the fault level of the hydraulic torque converter to adjust the output torque of the hydraulic torque converter. This invention solves the technical problem that existing technologies cannot identify early faults in hydraulic torque converters.

A stator for a torque converter is provided. The stator includes a plurality of vanes; a stator body supporting the vanes and defining an annular recess therein; a one-way clutch in the annular recess; and a cover plate supporting the one-way clutch in the annular recess. An outer diameter portion of the cover plate is received in a circumferentially extended groove in the stator body to axially fix the cover plate to the stator body.

This utility model relates to the field of transmission technology for rail engineering vehicles, specifically to a power shift gearbox for overhead contact line operation vehicles. It includes an integrated housing, a hydraulic torque converter, a four-speed mechanical transmission mechanism, a clutch module, a hydraulic control system, and a TCU intelligent control system. The hydraulic torque converter and the four-speed mechanical transmission mechanism are integrated into the integrated housing. This utility model combines pure hydraulic transmission with a four-speed gearbox design, achieving a total speed ratio range of 7.38 times. Combined with the continuously variable transmission characteristics of the hydraulic torque converter, it achieves full coverage from extremely low speeds of 0 km / h to high speeds of over 80 km / h, meeting the dual needs of operation and relocation. Optimized pressure-reducing valves in the hydraulic system and throttle port design of the clutch piston reduce shift shock from the perspectives of pressure regulation and engagement time control, solving the problem of large shock when shifting into first gear. The TCU and engine ECU work together to control the system, primarily through active torque adjustment and secondarily through gear intervention, achieving high-precision stable driving at speeds of 1-5 km / h and preventing overheating and wear of the braking system.

This utility model belongs to the field of hardware component pitch adjustment and packaging technology, and particularly relates to a rotary pitch adjustment device. A rotary pitch adjustment device includes a support frame with a calibration plate mounted on it. Two sets of sliders slide on the calibration plate, each slider having a first positioning claw and a second positioning claw. A positioning block is fixedly connected to the calibration plate inside the sliders. Two pitch adjustment blocks are slidably mounted opposite each other in the middle of the positioning blocks. Compression springs are fixedly connected to the outer surfaces of the two pitch adjustment blocks and the end faces of the opposite positioning blocks. A guide block is mounted on the second positioning claw, which can slide within the positioning block. The device also includes a slider driving assembly, which drives the first and second positioning claws to open and close inwards. This utility model can efficiently and accurately adjust the pitch of hardware components such as mobile phone gaskets.

A method for operating a drive train comprising a drive unit (1), a torque converter (5) as a starting element, an automatic transmission (2), and an output (3), wherein, after starting the drive unit (1), the rotational speed of a turbine (7) of the torque converter (5) is monitored, characterized in that, if it is determined that within a defined initial time period after starting the drive unit (1) the rotational speed of the turbine (7) of the torque converter (5) reaches or exceeds a first limit value, it is concluded that the torque converter (5) is properly filled, whereas, if within the defined initial time period after starting the drive unit (1) the rotational speed of the turbine (7) of the torque converter (5) does not reach or exceed the first limit value, it is concluded that the torque converter (5) is improperly filled or has run dry, wherein, if it is concluded that the torque converter (5) is properly filled,and if, subsequently, within a defined second time period after the start of the drive unit (1), it is determined that the rotational speed of the turbine (7) of the converter (5) reaches or falls below a second limit value when a non-load-engaging switching position of the automatic transmission (2) is selected via a gear selector lever (9), a fault in the automatic transmission (2) is concluded, wherein at least the first limit value is greater than the second limit value or the second time period is greater than the first time period.

The invention relates to a lubricant guide housing (32) for being arranged in the region of a hydrodynamic torque converter, comprising a radially extending first section (33) which is arranged for axially opposite positioning to one end face (35) of the torque converter (9) in the installed state of the lubricant guide housing (32). The first section (33) transitions radially outwardly into an axially extending second section (34) which is configured for axially at least partially and radially outwardly surrounding the torque converter (9) starting from the first section (33) in the installed state of the lubricant guide housing (32). In order to realize a lubricant guide housing by means of which an excessive accumulation of lubricant in the region of the hydrodynamic torque converter can be reliably prevented, both the first section (33) and the second section (34) are configured to be completely annular.