A transmission includes an input shaft coupled to a prime mover, a countershaft, main shaft, and an output shaft, with gears between the countershaft and the main shaft. A shift actuator selectively couples the input shaft to the main shaft by rotatably coupling gears between the countershaft and the main shaft. The shift actuator is mounted on an exterior wall of a housing including the countershaft and the main shaft. An integrated actuator housing includes a single external power access for the shift actuator. A controller interprets a shaft displacement angle, determines if the transmission is in an imminent zero or zero torque region, and performs a transmission operation in response to the transmission in the imminent zero or zero torque region.

An oil feed structure includes: a hydraulic clutch; a power transmitting shaft coupled to the hydraulic clutch; a valve element inserted into the power transmitting shaft, and a spring configured to bias the valve element. The valve element includes: a pressure receiving surface facing in an axial direction of the power transmitting shaft and configured to receive hydraulic pressure of a hydraulic pressure oil passage; and a port communicable with a clutch lubrication hole of the power transmitting shaft. The spring biases the valve element toward the hydraulic pressure oil passage against the hydraulic pressure received by the pressure receiving surface. When clutch operating hydraulic pressure changes, the valve element moves in the axial direction to change an opening degree of communication between the port and the clutch lubrication hole.

A transmission includes an input shaft coupled to a prime mover, a countershaft, main shaft, and an output shaft, with gears between the countershaft and the main shaft. A shift actuator selectively couples the input shaft to the main shaft by rotatably coupling gears between the countershaft and the main shaft. The shift actuator is mounted on an exterior wall of a housing including the countershaft and the main shaft. An integrated actuator housing is operationally coupled to the shift actuator and a linear clutch actuator. The linear clutch actuator is a self-adjusting actuator, and the transmission includes a self-adjusting clutch.

A lubrication system (400) for a transfer case (200) includes a pump (228) selectively supplying a working fluid to a fluid reservoir of an actuator (226) configured to apply force to a clutch assembly (214) to cause the clutch assembly (214) to move between a disengaged position and an engaged position. The lubrication system also includes a relief valve (302) having a relief valve inlet fluidly coupled to the fluid reservoir of the actuator (226) which opens to receive the working fluid based on a threshold pressure level of the working fluid in the fluid reservoir. The lubrication system also includes a trough (306) fluidly coupled to a relief valve outlet of the relief valve (302). The trough (306) carries the working fluid from the relief valve outlet to a bearing assembly (227) associated with at least one of an input shaft (204) and a primary output shaft (206) of the transfer case (200) when the clutch assembly (214) is in the disengaged position.

The invention relates to a friction surface clutch (10) for use in motor vehicles, in particular for switching an air compressor or the like, wherein the friction surface clutch comprises a first tapered element (11) having a first friction surface (12) and a second tapered element (13) having a second friction surface (14), wherein the friction surface clutch has an actuating device (15) having an actuating element (16) for force-locked connection and disconnection of the tapered elements, wherein the tapered elements are in force-locked connection in an unactuated operating state of the friction surface clutch, wherein the actuating device comprises a pressure element (21) coupled to the actuating element and a lever device (22) interacting with the first tapered element, wherein the pressure element can be engaged with the lever device in an actuated operating state of the friction surface clutch so that the force-locked connection can be disconnected, wherein the first tapered element has a guide part, in which the pressure element can be guided in a torsion-resistant way relative to the first tapered element prior to reaching a wear limit of the friction surfaces and can be engaged with the lever device in order to disconnect the force-locked connection, wherein the pressure element can be detached from the guide part when the wear limit of the friction surfaces is reached such that the pressure element can no longer engage with the lever device after leaving the guide part, so that the force-locked connection can no longer be disconnected.

The invention relates to a friction surface clutch (10) for use in motor vehicles, in particular for switching an air compressor or the like, wherein the friction surface clutch comprises a first tapered element (11) having a first friction surface (12) and a second tapered element (13) having a second friction surface (14), wherein the friction surface clutch has an actuating device (15) having an actuating element (16) for force-locked connection and disconnection of the tapered elements, wherein the tapered elements are in force-locked connection in an unactuated operating state of the friction surface clutch, wherein the actuating device comprises a pressure element (21) coupled to the actuating element and a lever device (22) interacting with the first tapered element, wherein the pressure element can be engaged with the lever device in an actuated operating state of the friction surface clutch so that the force-locked connection can be disconnected, wherein the first tapered element has a guide part, in which the pressure element can be guided in a torsion-resistant way relative to the first tapered element prior to reaching a wear limit of the friction surfaces and can be engaged with the lever device in order to disconnect the force-locked connection, wherein the pressure element can be detached from the guide part when the wear limit of the friction surfaces is reached such that the pressure element can no longer engage with the lever device after leaving the guide part, so that the force-locked connection can no longer be disconnected.

A hybrid module includes a torque converter and a clutch assembly. The torque converter includes a front cover. The clutch assembly includes a piston axially spaced from the front cover. The piston is axially slidable to engage the clutch assembly. The clutch assembly further includes a seal plate non-rotatably connected to the front cover and sealed to the piston. A seal is compressed between the seal plate and the front cover.

A hybrid module includes a torque converter and a clutch assembly. The torque converter includes a front cover. The clutch assembly includes a piston axially spaced from the front cover. The piston is axially slidable to engage the clutch assembly. The clutch assembly further includes a seal plate non-rotatably connected to the front cover and sealed to the piston. A seal is compressed between the seal plate and the front cover.

A driven sheave and variable torque limiting clutch assembly for a CVT that includes a drive sheave, a driven sheave, a VTL clutch and a hydraulic system is provided. The driven sheave is operationally coupled to a drive sheave via belt of the CVT. The driven sheave includes a fixed sheave member and a movable sheave member. The driven sheave is operationally coupled to a drivetrain. The VTL clutch is coupled between the driven sheave and the drivetrain to selectively couple torque between the driven sheave and the drivetrain. The hydraulic system is configured to manipulate both the movable sheave member of the driven sheave and the VTL clutch with shared hydraulic pressure.

This reservoir tank is provided with a reservoir body formed in the shape of a hollow box inside which a hydraulic fluid is stored, and is connected to a vehicle master cylinder in such a way that brake fluid flows into and out of the same. The reservoir body is provided with a top plate portion formed in the shape of a plate. A flow path portion having one or a plurality of flow paths formed in a serpentine fashion and opening downward in a vertical direction is provided in a protruding manner on an inner wall surface of the top plate portion, and a slit is provided on a downstream side of the flow path.