26results 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 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.

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.

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.

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).

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).

The invention relates to a method for starting up and operating a belt conveyor system (1), wherein the following method steps are carried out: • Measurement of a reference speed (8) on a first drive group (2.1) • Measurement of the rotational speed of another drive group (2.2) • Providing a characteristic curve (10) in the control system (3) for the relationship between speed (9) and torque (11) for the drive groups (2, 2.2) • Controlling the speed of at least one drive group (2, 2.2) by adjusting the fill level of the hydrodynamic coupling (5) by means of the filling device (6), wherein the filling device (6) comprises a bidirectional pump (6.1), wherein the fill level is set taking into account the characteristic curve (10), the measured speed (9) of the drive groups (2, 2.1, 2.2). Furthermore, the invention relates to a belt conveyor system suitable for carrying out the described method.

The invention relates to hydrodynamic transmission. A continuously variable hydrodynamic automatic transmission contains an input shaft on which a central disk with radially directed grooves is rigidly fixed. Two mirror-like pump wheels are mounted on the input shaft on both sides of the central disk. Radially directed blades are fixed on the part adjacent to the hub and on the periphery of the pump wheels, and in the space between them there are rows of holes into which axes are inserted, rigidly attached to one of the ends of movable blades curved in a certain arc. The blades have the ability to rotate in these holes in a limited way. The ends of the blade axes have slots on which the blade legs are rigidly fixed perpendicular to the blade axis. The second ends of the blade axes have projections parallel to the blade axes. Two turbine wheels with radially directed blades rigidly fixed on them are closed by conical or toroidal annular discs. The housing is mounted on bearings on the drive shaft and in the crankcase of the flywheel of the drive device, and is connected to the reverse mechanism and the undercarriage of the vehicle. It achieves a reduction in weight and size characteristics, an increase in transmitted power, an increase in service life, a simplification of the design, an improvement in maintainability and operational properties of the automatic transmission of the vehicle.

A stator assembly for a torque converter includes a body and a washer. The body is rotatable about an axis and has a cavity defined by an axial wall radially spaced from the axis and a radial wall extending radially inward from the axial wall. The washer is disposed in the cavity and configured to be compressed against the radial wall. The washer includes a base and a plurality of tabs circumferentially spaced from one another and extending radially outward from the base. The plurality of tabs are configured to non-rotatably connect to the axial wall.

The invention relates to a hydrodynamic brake system and a vehicle having a brake system. The invention relates to a brake system (2) comprising a housing (7), a rotatable brake shaft (8), a brake converter (10) with a stationary stator (11) and a rotatable rotor (12), and a clutch device (13) with a clutch part (14) which can be displaced between a release position and a connection position, the brake converter (10) being activatable by introducing a working fluid and being deactivatable by discharging the working fluid, and the clutch device (13) comprising a clutch part (14) which can be displaced between a release position and a connection position. The brake system (2) has a flow channel (22) for introducing a working fluid into the brake converter (10). The clutch device (13) acts between the brake shaft (8) and the rotor (12), and the clutch part (14) is designed and / or arranged as a valve piston for closing and releasing the flow channel (22).

The present invention relates to a hydraulic machine, in particular a hydraulic coupling. The hydraulic coupling comprises at least one first impeller as a pump wheel (20) and a second impeller as a turbine wheel (23) respectively assigned to the pump wheel (20). A working chamber (10) is formed by the pump wheel (20) and the turbine wheel (23). To transmit torque, the working chamber (10) is filled or can be filled with a working medium. At least one overflow channel (30), preferably a plurality of overflow channels (30), is provided in at least one of the impellers (20, 23) for discharging the working medium from the at least one working chamber (10). Preferably, the at least one overflow channel (30) passes through the impeller shell (21) of the corresponding impeller (20).

The utility model discloses an improved hydraulic coupler which comprises two oppositely arranged impellers, a cavity for working media to flow is formed between the impellers, an annular check ring is arranged on the edge of an inner ring of one impeller, and the check ring is arranged in the circumferential direction of the inner ring of a blade in the impeller. Through the arrangement of the check ring, backflow of hydraulic oil is effectively limited, the rising speed of output torque is slowed down, the starting time is prolonged, the device is particularly suitable for equipment needing to be stably started for a long time, the slowed-down starting process is beneficial to reducing vibration and impact of the equipment in the starting stage, the stability of the equipment is improved, and the service life of the equipment is prolonged.