1329results about "Clutches" patented technology

A gardening appliance has a traction drive system with a clutch, an electric motor drive system and a user-triggerable signalling device. The electric motor drive system effects forward rotation and backward rotation of the clutch. An operating method includes: a) in a user-triggered manner, operating the electric motor drive system in a running-down and / or braking operating mode to lower a motor rotational speed of the forward-rotating electric motor drive system; b) acquiring whether a back electromotive force caused by the electric motor drive system satisfies a standstill criterion, wherein the standstill criterion is characteristic of an attainment of a standstill state of the electric motor drive system; and c) when the standstill criterion is satisfied, operating the electric motor drive system in a backward-rotation operating mode to effect the backward rotation of the electric motor drive system for disengaging the clutch for freewheeling operation.

A method for detecting a safe state of a switchable valve of a hydraulic system of an actuator in a motor vehicle includes the at least one first switchable valve, which is actuated by being energized, a pump, and a controller which controls at least the first switchable valve and the pump. The pump delivers the fluid to a first load in a first rotational direction and to at least one second load in a second rotational direction.

The present disclosure relates a power transmission system (100) for a work machine (50). The work machine is defined by drive wheels (14) for driving the work machine and a power take off (PTO) shaft (18) for driving a plurality of implements attached to the work machine. The system (100) comprises a first prime mover (10), a second prime mover (16), a first gear (20), a second gear (22), an engaging unit (24) and a switch. The engaging unit (24) is configured to be operatively mounted on the PTO shaft (18). The engaging unit (24) is configured to be displaced on the PTO shaft (18) from an idling configuration to an engaging configuration based on the satisfaction of a predetermined set of conditions. The system provides the compact assembly without any additional requirement of any external transmission assembly. Also, it makes the coupling response quick and provides smooth and noise free shifting and coupling of gears.

A generator module for a vehicle includes a housing arranged for fixing to a combustion engine, a stator fixed in the housing, a rotor, rotatable within the stator and arranged for driving connection with the combustion engine, and a damper arranged in a torque path between the combustion engine and the rotor for damping torsional vibrations from the combustion engine.

Method for controlling a clutch (38) of a continuously variable transmission (CVT) (14) including a variator arrangement (44) for a motor vehicle, the method comprising: Performing a variety of clutch slip tests, each clutch slip test comprehensive: reducing the pressure supplied to the clutch (38) until clutch slip occurs at a clutch slip data point (97) which contains a clutch slip pressure value and a corresponding clutch slip torque value, wherein the clutch slip is determined by a plurality of sensors; storing the clutch slip data point (97), which contains the clutch slip pressure value and the corresponding clutch slip torque value, in a memory (66); and increasing the pressure supplied to the clutch (38) after the clutch slip data point (97) has been stored in the memory (66), wherein the step of performing the plurality of clutch slip tests results in a plurality of clutch slip data points (97) stored in the memory (66), including at least one first clutch slip data point (97) with a clutch slip torque value in a first range and at least one second clutch slip data point (97) with a clutch slip torque value in a second range; characterized by Determining a gain and an offset based on the plurality of clutch slip data points (97), wherein the gain is an increase in clutch pressure relative to the clutch torque and the offset is a clutch pressure offset; and Supplying a driving clutch pressure to the clutch (38) that is lower than a pulley clamping pressure of the variator assembly (44) and higher than a clutch pressure determined based on the gain and offset.

The invention relates to a drive unit (10) for a vehicle, comprising an electric machine (12) having a rotor shaft (14) and a transmission (16) having a transmission shaft (18). According to the invention, the rotor shaft (14) and the transmission shaft (18) are interlocking and coupled by means of an interlocking toothing (44), wherein a lubricant channel (46) is formed in the transmission shaft (18), which feeds into an inner space (48) of the rotor shaft (14) at the end facing the rotor shaft (14) in order to provide lubricant for the interlocking toothing (44), wherein the rotor shaft (14) has an end side (50) at the axial end facing the transmission shaft (18), on which end side one or more openings (52) are formed, extending from an inner circumference (54) of the rotor shaft (14) bordering the inner space (48) to the outer circumference (56) thereof, such that the lubricant channel (46) is fluidically connected to the openings (52) via the inner space (48) and the interlocking toothing (44).

Disclosed is a method for determining a vehicle clutch temperature of a vehicle clutch by a neuron network. The method includes determining at least one input value representing a power supplied to the vehicle clutch, such that the at least one input value is determined on the basis of processing consecutive values of power supplied to the vehicle clutch. At least one input value and at least one value of an operating parameter are input as input data into the neuron network. A clutch temperature is determined by the neuron network on the basis of the input data and of a relationship learned by the neuron network between a time variation of the input data and the clutch temperature. A method is also disclosed for generating a training data set for a neuron network, and a control unit for determining a vehicle clutch temperature using a neuron network.

To provide an information processing device capable of calculating an index value in a short period of time by extracting extraction data having obtained the feature of the entire original data.SOLUTION: A processing device of an information processing device executes retrieval processing which includes a first step (S120) of calculating a relative frequency distribution of original data, a second step (S125) of setting a plurality of time windows for cutting out a partial period data of the original data, a third step (S130) of cutting out data from the original data, a fourth step (S140) of calculating a relative frequency distribution of extraction data, and a fifth step (S145) for calculating an error between the relative frequency distribution of the original data and the relative frequency distribution of the extraction data, and repeatedly executes an attempt from the second step to the fifth step, changing settings of the plurality of time windows. The processing device calculates an index value of damage of a friction material of a transmission by using the extraction data whose error becomes equal to or smaller than the threshold value (S160).SELECTED DRAWING: Figure 3

The utility model relates to a main clutch and duckbilled clutch controller for an integrated transplanter. The main clutch and duckbilled clutch controller comprises a frame tube, the first supporting plate is arranged on the axial side of the frame tube, a first handle is hinged to the side, away from the frame tube, of the first supporting plate, a first pull wire is connected to the first handle, and the end, away from the first handle, of the first pull wire is connected with a control terminal of the main clutch; the second supporting plate is arranged on the other axial side of the frame tube, a second handle is hinged to the side, away from the frame tube, of the second supporting plate, the second handle is connected with a second pull wire, and the end, away from the second handle, of the second pull wire is connected with a control terminal of the duckbilled clutch; the control structures of the main clutch and the duckbilled clutch are integrated on the two sides of the frame tube to form an integrated structure so as to form a set of control system, and wire harnesses of the first stay wire and the second stay wire are simple in arrangement and easy to maintain.

The invention relates to a control method, device and equipment of an electromagnetic clutch and a medium, the two ends of the clutch are used for being connected with an engine and a driving motor respectively, when the clutch is engaged, a corresponding vehicle is in a common driving state of the engine and the driving motor, and when the clutch is disengaged, the corresponding vehicle is in an independent driving state of the driving motor. The control method comprises the steps that whether the vehicle speed meets the clutch connection or disconnection condition or not is judged; if yes, the engine is adjusted to the optimal oil consumption working condition, and the optimal oil consumption working condition corresponds to the area on the universal characteristic curve of the engine; the clutch is engaged or disengaged. According to the scheme, the engine is firstly adjusted to the optimal economic oil consumption working condition, then the clutch is engaged or disengaged, the problems that in the prior art, clutch engagement or disengagement consumes long time and is low in efficiency are solved, and oil consumption is effectively reduced.

The clutch booster air cylinder with the limit alarm device comprises an air cylinder body, a through hole penetrating through the inner side and the outer side of the air cylinder body is formed in the bottom of the air cylinder body, an alarm connector is connected to the position of the through hole, a push rod is arranged in the alarm connector and can move in the axial direction of the alarm connector, and the limit alarm device is arranged on the air cylinder body. The front end of the push rod extends into the air cylinder body through the through hole, the rear end of the push rod is connected with a magnet, and the rear end of the alarm connector is provided with a Hall inductive switch. When the piston in the air cylinder moves to a limit position, the piston can push the push rod, the push rod moves, the magnet gets close to the Hall sensing switch, the Hall sensing switch is activated, and an alarm signal is sent out.

A coupling for connecting an end of a first shaft having a cross section to an end of a second shaft having the cross section includes a first sleeve having an interior opening having a shape complementary to the cross section, the interior opening being delimited by an interior surface and a friction coating on the interior surface. The friction coating includes asperities projecting from the inner surface and pores between the asperities and a sealant at least partially filling the pores between the asperities. Also a system of the coupling and the shafts and a method for connecting two shafts using the coupling.

The invention discloses a control method and device for a low-temperature clutch of an electric drive gearbox of engineering machinery and a storage medium, and belongs to the technical field of engineering machinery. The real-time given current of a starting gear clutch electromagnetic valve is controlled according to the pressure of the clutch pack; the real-time given current of a starting gear clutch electromagnetic valve is controlled according to the pressure of a clutch pack, and the real-time rotating speed of a driving motor is given according to the rotating speed of the output end of the clutch; performing low-temperature gear shifting in a static state: controlling the real-time given torque of a driving motor to be 0, and controlling the real-time given current combined with a clutch electromagnetic valve according to the pressure of a clutch pack; and low-temperature gear shifting is conducted in the running state, specifically, real-time torque of a driving motor is given according to clutch pack pressure control in combination with real-time given current of a clutch electromagnetic valve and based on the rotating speed difference of the input end and the output end of a clutch, and the smoothness of the starting and gear shifting process is improved.

In order to overcome disadvantages and inadequacies of a metal bellows coupling of the type in question, at least two compensation elements (20) disposed opposite one another, at least one cylindrical hollow element (30) disposed between the compensation elements (20), in particular in the manner of at least one tube (30a) or in particular in the manner of at least one flange (30b), and at least one sensor device or sensor assembly (40) disposed within the hollow element (30) are proposed.

A power reversing hydraulic system with redundant protection includes a hydraulic oil source, a first reversing valve, a second reversing valve, a cut-off valve, a proportional valve, and a relief valve. The cut-off valve input is connected to the hydraulic oil source, and the output is respectively connected to the first reversing valve and the second reversing valve. The cut-off valve oil return port is connected to the oil tank; the first reversing valve and the second reversing valve input are connected in parallel, and the output is respectively connected to the clutch; the proportional valve oil inlet is connected to the hydraulic oil source, the oil outlet is connected to the relief valve, and the oil return port is connected to the oil tank. When one of the reversing valves fails, the cut-off valve is triggered to be powered on and closed, cutting off the hydraulic oil source from supplying oil to the reversing valve, so as to avoid the system being in a pressure-maintaining state in the event of a failure, causing a safety accident.

The invention relates to a shaft 1 with a device for the indirect acquisition and transmission of measurement data from the shaft 1 resulting from a mechanical stress on the shaft 1, wherein the shaft 1, with a central axis M as part of a cardan shaft, has a first end section 1.2 and the shaft 1 is combined with a fork 2 for transmitting torques to a cross pin 2.1, and the shaft 1 and the fork 2 form a shaft end E. The device is intended to be easier to manufacture and, at the same time, to better protect the sensor against external influences. A recess 1.1 for receiving at least part of a sensor arrangement 3 is provided in the shaft 1, wherein the recess 1.1 is introduced into the shaft end E from the outside, from the side of the fork 2 and coaxially with the central axis M.

A constant velocity joint includes: an outer race provided with a through-hole extending along a longitudinal axis and forming a plurality of outer ball grooves; an inner race forming a plurality of inner ball grooves that respectively pair with the outer ball grooves; a plurality of balls that are respectively positioned within a space formed by the pair of the outer ball grooves and the internal ball grooves; a ball cage that accommodates the plurality of balls; and a grease retainer coupled to the outer race to prevent grease, which fills a space where the ball and the ball cage are placed, from leaking through the through-hole. The grease retainer has a convex shape protruding towards the ball and the ball cage.

The invention discloses a linear actuator. The linear actuator comprises a motor; and a tubular telescopic member; the force transmission chain is arranged to transmit the power of the motor to the tubular telescopic component so as to drive the tubular telescopic component to do linear motion; the first force transmission chain comprises a planet wheel speed reducing mechanism in transmission connection with the output end of the motor and a centrifugal brake in transmission connection with the output end of the planet wheel speed reducing mechanism; the second force transmission chain is in transmission connection with the output end of the centrifugal brake; the third force transmission chain is in transmission connection with the second force transmission chain and comprises a lead screw and a transmission nut which is in threaded fit with the lead screw, and the transmission nut is connected with the tubular telescopic component; the force transmission direction of the first force transmission chain intersects with the force transmission direction of the second force transmission chain, and the force transmission direction of the second force transmission chain intersects with the force transmission direction of the third force transmission chain. The situation that the output shaft of the motor is perpendicular to the lead screw is avoided, the overall size of the linear actuator is reduced, and transportation and installation are convenient.

The utility model provides an exhaust structure on a clutch booster, which comprises a cylinder body, an exhaust hole is arranged on the cylinder body, an exhaust valve is arranged in the exhaust hole, the exhaust valve comprises a valve body, the valve body is arranged in the exhaust hole, a through hole penetrating through two axial sides of the valve body is arranged in the valve body, and the through hole is communicated with the exhaust hole. The outer end of the valve body is fixedly connected with a bonnet, a valve element and a spring are arranged in the bonnet, the valve element is in sealing fit with the air outlet end of the valve body, one end of the spring abuts against the valve element, and the other end of the spring abuts against the bonnet. When the pressure in the cylinder body is too large, the valve can be automatically opened for exhausting, the opening degree can be controlled, the valve can also be directly opened for exhausting, the movement of the valve element is stable and reliable, and the fixation of the valve bonnet is safe and reliable.

The invention provides a clutch control method and device of a hybrid vehicle, a medium and a product, and relates to the technical field of hybrid vehicle control, and the method comprises the steps that the over-separation position lower limit of a target clutch is obtained; in response to the clutch separation instruction, the target clutch is controlled to execute clutch separation operation, and the actual position of the target clutch is monitored in the clutch separation operation process; when it is recognized that the actual position exceeds the lower limit of the over-separation position, first information used for representing a clutch fault is sent out, a degradation measure is triggered, and the degradation measure is configured to control the target clutch to adjust the actual position to a non-wear separation position range lower than the lower limit of the over-separation position and keep the actual position. According to the method, by monitoring the actual position of the target clutch and implementing fault report and degradation measures, the over-separation phenomenon of the clutch can be effectively prevented, it is guaranteed that the clutch position is always kept within the non-abrasion separation position range, and therefore the service cycle of the target clutch is prolonged.

The invention relates to a method for vibration damping (10) of vibrations (74) of a torque assembly (14) of a vehicle (24), comprising the steps of providing (12) the torque assembly (14), which has at least one torque component (18) that transmits a drive torque (16) for moving the vehicle (24) and rotates at a speed, detecting (40) at least one vibration parameter (42) of an existing or imminent undesired vibration (74) affecting the torque assembly (14), and carrying out (60) a damping measure (62) for damping the vibration (74) as a function of the vibration parameter (42), wherein the at least one vibration parameter (42) is calculated by a trained neural network (44) using evaluation information (46) associated with the vibration (74) as input data (48). The invention further relates to a torque assembly (14).

The invention relates to a clutch pressure control method and device, a vehicle and a storage medium, and the method comprises the steps that current operation parameters of the vehicle are obtained; judging whether the vehicle meets a preset oil filling or pressure relief condition or not based on the current operation parameters; if the vehicle does not meet the preset oil charging or pressure relief condition, the target rotating speed of an electronic oil pump of the vehicle is determined based on the operation parameters and the current pressure of a clutch of the vehicle, and the actual rotating speed of the electronic oil pump is adjusted based on the target rotating speed till the actual pressure of the clutch of the vehicle reaches the target pressure. Therefore, the technical problems that in the related technology, a vehicle needs to be provided with various parts, the cost is high, the weight is large, the response speed is low, the gear shifting efficiency is affected, the control precision is poor, and therefore the driving experience of a user is affected are solved.

The invention relates to a method for controlling a hydraulic system (1) of a motor vehicle, wherein the hydraulic system (1) provides a fluid flow to at least one component (14, 15) of the motor vehicle by means of a reversing pump (4) in a first direction of rotation and sets a target pressure in a pressure line (27) in the other, second direction of rotation by means of a predetermined target speed in order to actuate at least one slave cylinder (10, 12), wherein the reversing pump (4) is switched to the first direction of rotation after the target pressure has been reached and, each time the target pressure drops below a predetermined minimum pressure, the direction of rotation of the reversing pump (4) is briefly changed to the second direction of rotation until the target pressure is reached.In order to minimize the interruption of the fluid flow in the first direction of rotation, an actuation duration of the at least one slave cylinder (10, 12) is monitored and, before the actuation duration exceeds a predetermined threshold, the target pressure of the pressure line (27) is increased.

The invention describes a method for determining a control sequence of a drive train of a working machine, wherein a clutch (18) of the drive train is controlled as a function of a brake actuation operation using the control sequence. The method comprises a step of manoeuvring (60) with the working machine by an operator, detecting (62) respective clutch actuation characteristic variables of respective clutch actuation operations and respective brake actuation characteristic variables of respective brake actuation operations during the manoeuvring, and determining (64) at least one clutch control characteristic curve (110, 112, 114) as a function of the detected clutch actuation characteristic variables and detected brake actuation characteristic variables. A clutch actuation operation is automatically controlled as a function of a brake actuation operation by an operator using the control sequence by means of the respective clutch control characteristic curve (110, 112, 114). The invention also describes a working machine.

A propeller shaft assembly includes a propeller shaft extending along an axis between a first and second shaft end. A propeller shaft yoke is operably connected to one of the first or second shaft ends and includes a body presenting a mounting surface extending circumferentially about the axis. A tuned damper extends radially outwardly from the mounting surface and includes a first damper ring disposed in abutting and encircling relationship with the mounting surface and a second damper ring disposed in abutting and encircling relationship with the first damper ring. The tuned damper includes a retention lip extending radially downwardly from the second damper ring in axially spaced relationship with the mounting hub by an axial spacing distance D for protecting the tuned damper from axial impact forces and improving the robustness of the tuned damper mounted on the mounting surface.

A universal joint bearing includes a trunnion, a cup, rolling elements rotatably supporting the cup relative to the trunnion, and at least one seal for sealing a space between the trunnion and the cup. The cup has a substantially cylindrical surface, which is a part of a radially outer surface of the universal joint bearing. All of the rolling elements of the universal joint bearing are arranged in a certain number of rows of rolling elements. A sum of the maximum axial lengths of all the rows of rolling element divided by the sum of the maximum axial length of the substantially cylindrical surface and the maximum axial length of a radially outer surface of the at least one seal, which is another part of the radially outer surface of the universal joint bearing, is between 0.6 and 0.75.

Joint arrangement comprising: a constant velocity joint having an outer race with a welded seat; a flange component having a weld seat projection on a first side, the weld seat projection configured to engage the weld seat of the outer ring; a conductive component interconnecting the outer ring and the flange component at an interface between the outer ring and a second side of the flange component opposite the first side; and a shaft component drivingly coupled to the constant velocity joint, wherein the constant velocity joint is received by the shaft component at the weld seat of the outer ring and drivingly coupled to it.

Kits for a cover for a universal joint of a driveshaft include at least a first section and a second section of a cover, at least two cover fasteners, and at least one driveshaft fastener. The at least two cover fasteners configured to connect the first section to the second section, and the at least one driveshaft fastener configured to connect the cover to the driveshaft or to a yoke of the driveshaft without any portion of the cover contacting the universal joint. The kits also include a plurality of inserts and / or a plurality of pads configured to allow the cover to adapt to driveshafts of varying diameters without changing the size or shape of the cover itself.

The invention relates to a method for controlling a hydraulic system (1) for a vehicle having an electrically operated pump (2) that adjusts a system pressure, wherein, for actuating a clutch, the system pressure is controlled between a maximum pressure (p(max)) and a minimum pressure (p(min)) by means of a slave cylinder (6). In order to enable both precise and robust control of the hydraulic system (1), a pressure signal of the system pressure is filtered using different types of filters as a function of at least one operating parameter of the hydraulic system (1).