摘要:
The invention relates to a fluid-actuable releaser in which an annular piston (6) is guided in a casing (3) which is provided with a sleeve (10) for guiding the annular piston (6) radially internally and for sealing purposes, the sleeve (10) being axially fixed by partial plastic deformation after insertion into the casing (3) with its external diameter in a bore (16) in the casing (3).
摘要:
A slave cylinder of the annular cylinder type is proposed, whereof the annular piston (45) able to slide axially between an outer cylinder wall (29) and an inner cylinder wall (33) is sealed by a grooved sealing ring (53) with respect to the pressure chamber (37). In order to be able to evacuate by means of a suction pump a hydraulic actuating system for a motor vehicle friction clutch, constructed using a slave cylinder of this type, before filling with hydraulic fluid, means are provided on the annular cylinder or in addition to the sealing lips (57) on the grooved sealing ring, which increase the sealing action of the sealing lips (57) when applying a vacuum to the hydraulic pressure chamber (37). The said means may be conical surfaces (61, 63) on the cylinder walls or a conical ring engaging in an annular groove (59) of the sealing ring (53). Additional sealing beads having a cross-sectional contour in the shape of a circular sector may be formed if necessary on the grooved sealing ring.
摘要:
The invention relates to a hydraulically actuable releaser with an annular piston. The supporting ring co-operating with the annular piston and the groove sealing ring co-operating with the supporting ring have, at least in their radially outer region facing one another, an encircling supporting shoulder on the supporting ring and an encircling recess on the groove sealing ring. This measure prevents the groove sealing ring from being pressed into a possible gap between supporting ring and the external wall of the housing under pressure loading.
摘要:
A cylinder for hydraulic systems, in particular for motor vehicles, generally includes a housing having an axial hole in which a piston is guided so that the piston can be displaced axially. One end surface of the piston can be pressurized by means of hydraulic fluid. The cylinder is provided with at least one connection designed as a plug-in connection, for the insertion of at least one pressure medium line having a radially expanded portion on its outside diameter. The plug-in connection of the cylinder is designed so that both the expense for components and for labor required to fasten the pressure medium line to the connection of the cylinder can be minimized.
摘要:
An operation device for a friction clutch arranged in the drive train of a motor vehicle. The operation device includes a positioning servo arrangement with a pneumatic power cylinder arrangement. The pneumatic power cylinder arrangement acts on a clutch release sleeve arrangement. The positioning servo arrangement can be operated with a control valve that is connected to a pneumatic source depending on a command variable representing a desired position and an actual variable representing the axial position of the clutch release sleeve arrangement. The pneumatic power cylinder arrangement is arranged inside of the bell-shaped housing and the control valve is arranged outside of the bell-shaped housing or the bell-shaped housing is arranged at least partially inside of the bell-shaped housing, but is accessible from the outside and/or can be removed when the bell-shaped housing is attached to the combustion engine.
摘要:
A sealing arrangement for providing a seal between a component and a cylinder in which the component is inserted includes a sealing ring supported in the axial direction in a circumferential slot on the component. The sealing ring has at least one static and one dynamic sealing lip. The sealing lips rest radially on corresponding sealing surfaces of the component and the cylinder. To reduce the noise generated during movement of the component in the cylinder, the geometrical shape of at least of one of the sealing lips is asymmetrical in the axial and/or radial direction with respect to a longitudinal axis of the component or a plane perpendicular to the longitudinal axis of the component, or cavities are distributed around a circumference of a base body portion of the sealing ring.
摘要:
A slave cylinder for the operation of a friction clutch, especially in motor vehicles, with a housing, an inner portion, an annular or cylindrical piston which annular piston is positioned between the housing and the inner portion, a clutch release sleeve or clutch throwout sleeve or coupling socket joint which clutch release sleeve is in contact with the annular piston and can be axially displaced with respect to the housing, as well as a spring or pressure spring or compression spring which is supported by both the clutch release sleeve and the housing, and radial shoulders or steps or reliefs provided at the clutch release sleeve and at the housing to secure against torsion. The pressure spring may be characterized as a sinuous spring or zig-zag or no-sag spring. The ends of the pressure spring are positioned to make contact at the ends of the shoulders which shoulders act in the opposite direction to secure against torsion.
摘要:
A hydraulically actuated clutch release system for a motor vehicle friction clutch, including a piston-cylinder unit oriented concentrically to a transmission input shaft, whereby the cylinder is fastened to the transmission housing, and has the cylinder chamber for the piston between an inner and an outer cylinder shell. The piston itself is guided inside a guide element surrounded by the outer cylinder shell. The outer cylinder shell, next to the guide element, has at least one retaining member which can be brought into contact with the guide element, and through which retaining member the guide element can be secured against participation in the movement of the piston during the engagement and release of the clutch. In this case, when there is a change in the axial position of the piston caused by wear in the friction clutch, the action of the retaining member can be suppressed for a displacement of the guide element.
摘要:
Multiple-disk clutch with outer disks supported by an outer disk carrier that is rotatable around an axis of rotation and with inner disks supported by an inner disk carrier that is rotatable around the axis of rotation. The outer disks and the inner disks form an annular disk stack with an inner radius and an outer radius. An axially movable actuator actuates the disk stack. The actuator engages in a central radius area of the disk stack with reference to the axis of rotation when actuating. The disk stack includes a resilient element.
摘要:
A drive unit includes an internal combustion engine with a driven shaft, a transmission with an input shaft, and an electric machine arranged between the internal combustion engine and the transmission and comprising a stator and a rotor which can be coupled at least indirectly to the driven shaft of the internal combustion engine and to the transmission input shaft in order to transmit torque. The drive unit includes a clutch arranged in the torque transmission path between the internal combustion engine and the transmission. To facilitate the decoupling of rotational irregularities occurring in the drivetrain of the hybrid vehicle the drive unit has a first torsional damper and a second torsional damper, and at least the rotor of the electric machine is arranged within a torque transmission path formed between the torsional dampers.