41results about "Rotary clutches" patented technology

The invention discloses a gearbox connecting structure capable of reducing torsional impact load, and relates to the field of wind turbine generator structures, the gearbox connecting structure comprises a shell, the interior of the shell is a liquid oil cavity, and liquid oil is stored in the liquid oil cavity; the two ends of the shell are connected with a driving impeller and a driven impeller respectively, and the driving impeller and the driven impeller penetrate through the shell to be connected with the output shaft and the rotor main shaft respectively. In the shell, a stroke counter bore is coaxially formed in the driving impeller, a threaded counter bore is coaxially formed in the driven impeller, a connecting rod is arranged between the stroke counter bore and the threaded counter bore, one end of the connecting rod extends into the stroke counter bore and is in sliding connection with the stroke counter bore, and the sliding direction is limited in the axis direction; and the other end of the connecting rod is in threaded connection with the countersunk thread. According to the invention, the torsional impact load existing in rigid connection can be greatly reduced, the transmission efficiency can be ensured, the energy loss is reduced, the speed regulation performance is good, and the device can adapt to the wind speed change in a wide range.

A power shunt for shunting rotary power from a load device includes a shear thickening fluid (STF) and a chamber containing the STF. The power shunt further includes a drive shaft housed radially within a drive side section of the chamber protruding outward from an end of the chamber for coupling to a lock preventing rotation of the drive shaft. The power shunt further includes a load shaft housed radially within a load side section of the chamber protruding outward through a shaft collar from another end of the chamber for coupling to the load device. The power shunt further includes a drive turbine housed radially within the drive side section coupled to the drive shaft. The power shunt further includes a load turbine housed radially within the load side section at an adjustable operational distance from the drive turbine and coupled to the load shaft.

The invention relates to a hydrodynamic transmission. The continuously variable hydrodynamic automatic transmission comprises an input shaft on which a central disk with radially oriented grooves is rigidly fixed. On both sides of the central disk, two mirror-identical frying pan-shaped pump wheels are mounted on the input shaft. In the space between the part adjacent to the hub and the peripheral blades of each pump wheel, holes are concentrically drilled at a certain distance from the center of the pump wheel, into which the shafts of the movable blades curved along a certain arc are rotatably inserted. The plate can rotate in the holes in a limited manner. Both ends of the blade shaft have slits, into which the roots of the blades are rigidly fixed. The other end of the root has a protrusion parallel to the blade shaft. The blades of the two turbine wheels are covered with a conical or donut-shaped annular disk, while the radially oriented blades are rigidly fixed. The transmission body is mounted on bearings in the crankcase of the drive shaft and the flywheel of the drive and is connected to the reversing mechanism and the running gear of the vehicle. This will achieve improved mass and dimensional characteristics, increased force transmission, longer service life, simplified structure, and improved repairability and operability in vehicle automatic transmissions.

The present invention provides a controlled engine assist system (10) for a hybrid vehicle having an internal combustion engine (12) and an electric power source (14) with a battery (15). The system (10) comprises a shaft (16) connecting the internal combustion engine (12) and a torque cushioning clutch (18). A power transmission arrangement (20) couples the torque cushioning clutch (18) to the electric power source (14). The torque cushioning clutch (18) partially transmits torque from the internal combustion engine (12) to the electric power source (14) during recuperation. This regulates transmission of sudden rotational irregularities to the electric power source (14), thereby, helping in minimizing damage to the electric power source (14).

The present invention relates to a hydrodynamic transmission for a vehicle, in particular for a motorcycle, a method for operating the hydrodynamic transmission, a use of the hydrodynamic transmission in a drive system of a vehicle and a vehicle.The hydrodynamic transmission comprises a drive shaft (14), a fluid reservoir (10) for storing hydraulic fluid, a plurality of turbines (2, 2a, 25, 26, 18) arranged on an output shaft (39), each having an inlet valve (3) in its inlet channel (34) configured to direct hydraulic fluid into the turbine (2, 2a, 25, 26, 18) to drive it, a pump (13) connected to the drive shaft (14) and configured to deliver hydraulic fluid from the fluid reservoir (10) at a specific pressure to the inlet valves (3) of the plurality of turbines (2, 2a, 25, 26, 18), and a return line (50) connecting an outlet channel (31) of the plurality of turbines (2, 2a, 25, 26, 18) to the fluid reservoir (10). connects.

The invention discloses a large-torque compact hydraulic damping clutch and a clutch control system and method.The clutch comprises a damping machine shell, the first side of the damping machine shell is used for being in driving connection with a gearbox, and a damping cavity is formed in the damping machine shell; the power transmission shaft is rotationally assembled on the damping machine shell and used for being in driving connection with an engine, and a main damping gear is fixed to the end, extending into the damping cavity, of the power transmission shaft; and the multiple sets of parallel damping gears surround the main damping gear and are meshed with the main damping gear, and the parallel damping gears are rotationally assembled on the damping machine shell. Damping force is formed in a hydraulic damping mode to achieve switching of a linkage state or a clutch state, surface contact abrasion caused by relative friction cannot be generated, meanwhile, high-pressure damping oil can serve as a heat dissipation medium, uniform and efficient heat dissipation can be achieved in the vehicle running process, the maintenance period is longer, and the cost is lower.

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).

This invention discloses a high-torque compact hydraulic damping clutch, a clutch control system, and a method. The clutch includes: a damping housing, a first side of which is connected to a transmission drive, and a damping chamber formed within the housing; a power transmission shaft rotatably mounted on the housing and connected to an engine drive, with a main damping gear fixed at one end extending into the damping chamber; and multiple sets of parallel damping gears surrounding and meshing with the main damping gear, rotatably mounted on the housing. This invention uses hydraulic damping to generate damping force, achieving switching between clutch and clutch states. This avoids relative friction that could lead to surface wear. Simultaneously, the high-pressure damping oil can also serve as a cooling medium, facilitating uniform and efficient heat dissipation during vehicle operation, and resulting in longer maintenance intervals and lower costs.

A launch device for coupling the rotary output of a prime mover to the rotary input of a driven device. The launch device includes a containment vessel defining a chamber. A driving element, located within the chamber and being rotatable relative to the containment vessel, is configured to be coupled to the output of the prime mover, while a driven element, also located within the chamber and being rotatable relative to the containment vessel, is configured to be coupled to the input of the driven device. The driven element is fluidically coupled to the driving element and is rotationally driven thereby during rotation of the driving element by the prime mover.

The invention relates to a method for controlling a hydrodynamic machine comprising a bladed primary wheel and a bladed secondary wheel, which together form a working chamber that can be filled with working medium from a working medium reservoir in a working medium reservoir, in order to transfer drive power hydrodynamically from the primary wheel to the secondary wheel by forming a working medium circuit in the working chamber; wherein a control pressure is applied to the working medium reservoir for a predetermined period of time and thereby a pressure increase is generated in the working medium reservoir in order to displace the working medium from the working medium reservoir into the working chamber. The method according to the invention is characterized in that, after the specified time period, the application of the control pressure is terminated, a pressure drop in the working medium reservoir is at least indirectly detected, and, depending on the detected pressure drop, a fill level of the working medium reservoir in the working medium reservoir and / or a degree of filling of the working space with working medium is determined.

Hydrodynamic braking device (2) for a vehicle, the braking device (2) comprising a housing (7), a rotatable brake shaft (8), a brake converter (10) with a fixed stator (11) and a rotatable rotor (12), and a coupling device (13) with a coupling part (14) that can be displaced between a release position and a connection position, wherein the brake converter (10) can be activated by introducing a working fluid and deactivated by draining the working fluid, and the braking device (2) has a flow channel (22) for introducing working fluid into the brake converter (10). The coupling device (13) is effective between the brake shaft (8) and the rotor (12), and the coupling part (14) is designed and / or arranged as a valve piston for closing and releasing the flow channel (22).

Hydraulic coupler (10) for an aircraft accessory drive gearbox (1) comprising a housing (14), first (11) and second (12) turbines arranged in the housing, the first and second turbines being opposite each other and defining a coupling volume (13) within the housing, the coupling volume comprising a coupling fluid, in which the hydraulic coupler includes means (4) for emptying the coupling fluid from the coupling volume. Figure for the abbreviation: [Fig.1]

The utility model discloses a split type fluid coupling which comprises an impeller and a body, the impeller and the body are independently cast parts and are connected in a rivet welding mode, two rivet welding spots are arranged on the impeller and are respectively a first rivet welding spot close to the bottom of the middle and a second rivet welding spot close to an outer ring, and the first rivet welding spot and the second rivet welding spot are connected in a rivet welding mode. A cover plate is installed at the end, close to the center position, of each blade. According to the utility model, the impeller and the body are cast separately, so that the casting process is greatly simplified, the requirement on casting equipment is reduced, the casting efficiency and the success rate are improved, the defective rate is obviously reduced, and the overall production cost is further reduced; the impeller and the body are firmly connected, meanwhile, the connecting strength and rigidity are guaranteed, and the service life of the hydraulic coupler is prolonged.

Impeller (1) for a retarder (2) of a motor vehicle, such as a commercial vehicle, comprising an annular shell body (4) in which blades (3) made of sheet metal are mounted, wherein the blades (3) extend, on the one hand, from a radial inner side (5) to a radial outer side (6) of the shell body (4) substantially in the radial direction (14) and, on the other hand, from a shell body base (8) to a flow edge (7) substantially in the axial direction (15), wherein at least one surface formed by the respective blade (3) on the fluid-facing side (10) of the blade (3) and / or the fluid-away side (11) of the respective blade (3) has at least one curved section deviating from a flat surface when viewed from the shell body base (8) to the flow edge (7), wherein the blade (3) follows, in addition to the curvature (12), a curve (13) from the radial inner side (5) to the radial outer side (6),where the curve (13) has a concave part (16) and a convex part (17), the convex part (17) being equal in size to the concave part (16).

The utility model discloses an intelligent hydraulic safety coupler, and belongs to the technical field of coupler protection. The coupling comprises a coupling body, an oil cavity in the coupling body and a shearing ring sleeved on the outer circular surface of the coupling body, and further comprises a wireless pressure sensor and a shearing pipe assembly, a plurality of planes and fixing holes are further machined on the outer circle face of the coupler body, the fixing holes are communicated with the oil cavity, the wireless pressure sensor is fixed in one fixing hole, and a probe of the wireless pressure sensor extends into the oil cavity; the wireless pressure sensor is fixed in one fixing hole close to the shearing ring, the shearing pipe assembly is fixed in the other fixing hole close to the shearing ring, and the wireless pressure sensor and the shearing pipe assembly transmit monitored abnormal signals to internet monitoring equipment. After the internet monitoring equipment receives abnormal signals sent by the wireless pressure sensor and the shearing pipe assembly, an operator is reminded to handle the abnormal signals in time, and then the purpose of timely stopping the machine to handle the abnormal conditions is achieved.

A torque converter is provided that includes a front cover arranged to receive a torque, an impeller having an impeller shell non-rotatably connected to the cover, and a turbine in fluid communication with the impeller and including a turbine shell. A damper assembly is disposed axially between the front cover and the turbine shell. The damper assembly includes an output element including a first tooth; a cover plate disposed axially between the output element and the turbine shell; and a floating hub arranged to connect to a transmission input shaft. The cover plate is non-rotatably connected to the turbine shell. The floating hub includes a second tooth configured to rotationally engage the first tooth. The second tooth includes an extension disposed between the cover plate and the output element. The extension is configured to contact the output element to axially constrain the floating hub in a first axial direction.

A rotational coupling including a bearing assembly including a first race rotatably coupled to a second race, wherein the first race is configured to receive a plurality of first fasteners to couple the first race and the bearing assembly to a fluid supply. The rotational coupling also including a connection flange coupled to the second race and configured to receive a plurality of second fasteners to couple the connection flange to the second race. The second race includes a first side facing the connection flange and a second side opposite the first side and facing the first race, wherein the second race includes at least one access aperture configured to enable access to the plurality of first fasteners from the first side to removably couple the bearing assembly to the fluid supply.

A hybrid module includes a rotor carrier including an axially extending portion. The hybrid module further includes a torque converter assembly having an impeller. The impeller includes an impeller shell non-rotatably connected to the axially extending portion. The impeller shell includes a row of slots extending axially through the impeller shell. The hybrid module further includes a resolver assembly having a resolver carrier. The resolver carrier includes a plurality of tabs circumferentially spaced from each other. Each of the tabs being arranged to engage one respective slot of the impeller shell.

A hybrid drive system for a motor vehicle has an input shaft which is rotatably mounted around an axis of rotation, via which torques provided by an internal combustion machine can be introduced into the hybrid drive system, an output drive shaft arranged coaxially with the input shaft, an electric machine which has a stator and a rotor, and a torque converter which has an impeller, a converter cover connected to the impeller, an interior for receiving oil, and a converter hub which is connected to the converter cover. The converter hub is connected to the rotor in a manner fixed against rotation. The system further has a separable clutch having a disc pack, a clutch chamber in which the disc pack is received, an operating piston, and an associated operating chamber. Via the separable clutch the converter hub can be connected to the input shaft fixed against rotation.

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 testing device for testing a drive train or components within a marine propulsion system is provided and includes a first disk with a plurality of first disk depressions that faces a second disk with a plurality of second disk depressions. The first disk and the second disk are secured relative to each other so that they define a space, and a seal at outer edges of the disks is in fluid communication with the space. One of the first disk and the second disk is secured to a driven shaft. Upon rotation of the driven shaft, a load is produced due to shearing of fluid between the disks, yet no thrust is produced.

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).

Washer arrangement comprising a pressure washer (1, 100) and a plate (2, 201); wherein the pressure washer (1, 100) has a substantially annular shape and comprises a washer body (112) and two or more positioning clips (111) projecting radially inward from an inner circumference of the washer body (112), wherein at least one side of the positioning clip has a positioning projection (1111) projecting in a circumferential direction, and the positioning projection (1111) defines a radial positioning section (1114) of the pressure washer (1, 100); wherein the plate (2, 201) has a substantially annular shape, with an inner circumferential section of the plate (2, 201) being provided with two or more positioning notches (211);an edge of at least one side of the positioning notch (211) is provided in the circumferential direction with a positioning groove (212) and the positioning groove (212) defines a radial positioning section (2121) of the plate (2, 201); and wherein the pressure disc (1, 100) is mounted on an end face of the plate (2, 201) and the positioning clamp (111) extends into the positioning notch (211) in a mounted state and the radial positioning section (1114) of the pressure disc (1, 100) and the radial positioning section (2121) of the plate (2, 201) are in contact with each other or are facing each other with a small interval, thereby defining a radial position of the pressure disc (1, 100) relative to the plate (2, 201).

The invention relates to an energy-saving coupler which comprises a wheel shell, a backflow piece and a turbine fan. Wherein the wheel shell comprises a first shell and a second shell which are oppositely combined; a plurality of driving ribs are arranged in the first shell, and each driving rib comprises a guide sheet and a driving sheet which form a pressure angle; a plurality of diverging ribs are arranged in the second shell; the backflow piece and the turbine fan are coaxially arranged in the wheel shell, the backflow piece comprises a plurality of guide ribs, and the turbine fan comprises a plurality of fan blades. Liquid is guided to the driving ribs of the first shell through the diverging ribs of the second shell after being guided into the coupling, and a pressure angle is formed between the guide piece and the driving piece of each driving rib, so that the fluid can push the driving piece of each driving rib to assist in driving the wheel shell to rotate, and the problem that an existing coupling only provides transmission kinetic energy can be solved; the invention provides an energy-saving coupling capable of reducing energy consumption.

Hydrodynamic device (1), in particular retarder, for decelerating a vehicle, comprising: - a rotor (2) with impellers for accelerating a working fluid, - a stator (3) with impellers for slowing down a working fluid, - wherein the rotor (2) and the stator (3) form a toroidal working chamber (4) which can be filled with a working fluid, - wherein the rotor (2) is formed with a connecting device (5) by means of which the rotor (2) can be connected to a shaft (31) for torque transmission to a vehicle, e.g. to a cardan shaft of a vehicle, and - a housing (6) with inside and outside, - wherein the rotor (2) and the stator (3) are arranged within the housing, wherein - the hydrodynamic device (1) is of modular design, wherein the housing (6) has only two types of connection on its outer side, namely at least one fluid inlet (7) and at least one fluid outlet (8) for a working fluid, wherein the hydrodynamic device (1) comprises a sealing plate (20) in order to seal the working chamber (4) in such a way that an escape of working fluid via the connecting device (5) can be prevented, and - wherein the sealing plate (20) is fastened to the rotor (2).

Hydrodynamic transmission unit (1) comprising a primary bladed impeller (2) and a secondary bladed impeller (3), which are designed such that the two impellers (2, 3) are rotatably mounted and form an oil-fillable working chamber in which torque can be transmitted from one impeller to the other impeller by forming a flow, further comprising an oil circuit with an oil reservoir (7), an inlet line (4) and an outlet line (5), wherein the working chamber can be supplied with oil via the inlet line (4) and wherein oil can be discharged from the working chamber via the outlet line (5), wherein a shut-off valve (20) is provided in the inlet line (4), and the outlet line (5) and the inlet line (4) are connected to each other in such a way that oil can circulate from the working chamber without having to pass through the oil reservoir (7), wherein the shut-off valve (20) is positioned between the connection point of the outlet line (5) with the inlet line (4) and the working chamber, and wherein a control device is provided which is designed to close the shut-off valve (20) when the oil is to be drained from the working chamber into the oil reservoir (7). characterized by that the shut-off valve (20) comprises a valve piston (23) which is made entirely or at least predominantly of plastic, and which in particular has a piston surface (23a) made of plastic

The rapid oil discharge assembly of the hydraulic coupler comprises a coupler box body, a driving shaft and a transmission shaft are installed at the two ends of the coupler box body in a penetrating mode, coupler shells are installed outside the driving shaft and the transmission shaft respectively, a driving impeller and a driven impeller are arranged in the coupler shells respectively, and an oil discharge mechanism is arranged at the top end of the driving impeller. According to the utility model, the oil discharge mechanism arranged in the coupler box body is combined with the oil discharge pipeline, so that the valve body and the valve plate in the oil discharge mechanism can be controlled by centrifugal force to quickly separate and discharge oil in the natural operation process; through cooperation of the circulating oil pump, medium oil in the oil cavity oil pipe and the box oil pipe can rapidly move, medium oil discharging can be rapidly and conveniently achieved, meanwhile, compared with a traditional spoon pipe structure, the structure is more compact, the size is small, meanwhile, a driving mechanism for driving a spoon pipe to act is omitted, and cost is reduced. And the manufacturing cost and the maintenance cost can be greatly reduced.

Drive assembly for a torque converter (10), comprising: a turbine housing (22) including a rounded portion (24) and a radially outward projection (28) on an outer periphery of the rounded portion (24); and a driver tongue (42) which is attached to the radially outer projection (28) of the turbine housing (22) by means of an adhesive, which comprises an impeller (18) and wherein the radially outer projection (28) of the turbine housing (22) is designed to engage and disengage the impeller (18), which further comprises a damper (48) driven by the driver tongue (42), wherein the damper (48) includes a spring holder (52) for holding a plurality of springs (50) and the driver tongue (42) is non-rotatably connected to the plurality of springs (50).

A power coupler for transferring rotary power from a rotary power device to a load device includes a shear thickening fluid (STF) and a chamber that contains the STF. The power coupler further includes a drive shaft housed radially within a drive side section of the chamber and protruding outward from an end of the chamber for coupling to the rotary power device. The power coupler further includes a load shaft housed radially within a load side section of the chamber and protruding outward from another end of the chamber for coupling to the load device. The power coupler further includes a drive turbine housed radially within the drive side section and coupled to the drive shaft. The power coupler further includes a load turbine housed radially within the load side section at a fixed operational distance from the drive turbine and coupled to the load shaft.