Tensioning and cushioning units for traction gear drives

A buffer unit and traction mechanism technology, applied in transmission, machine/engine, mechanical equipment, etc., can solve the problem that the buffer characteristics cannot be adjusted accurately, and achieve the effect of compact structure, space saving and assembly cost reduction.
CN102748129BActive Publication Date: 2016-09-14SCHAEFFLER TECH AG & CO KG
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SCHAEFFLER TECH AG & CO KG
Publication Date
2016-09-14

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Abstract

The unit (2) has a housing (8) rotationally fixed to an internal combustion engine. A lid is attached relative to a clamping rail (1). The lid comprises a projection projected into interior part of the housing. The interior part of the housing is divided into a high pressure chamber and a reservoir chamber. An end of the lid is provided with a spring (9). A check valve is incorporated into the reservoir chamber. A pressure compensation element is provided in the reservoir chamber. The projection is sealed at an inner wall of the housing.
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Description

technical field

[0001] The invention relates to a tensioning and damping unit for a traction mechanism transmission of an internal combustion engine, the tensioning and damping unit having: a housing designed for mounting in a rotationally fixed manner relative to an internal combustion engine and for receiving a fluid; and a cover part, the cover part is designed to be mounted in a rotationally fixed manner relative to the tensioning rail. It is also possible for the housing to be mounted in a rotationally fixed manner relative to the tensioning rail, and for the cover to be mounted in a rotationally fixed manner relative to the internal combustion engine. Furthermore, tensioning and damping units are also referred to as tensioner and damper units. Background technique

[0002] Such tensioning and damping units are used in motor vehicles, such as passenger cars (Pkw) or trucks (Lkw), but can also be used in traction gear drives of other land, air or water-related vehicles....

Claims

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