192 clutches and power-stop control – Clutches – Operators
Patent
1993-09-17
1995-10-17
Pitts, Andrea L.
192 clutches and power-stop control
Clutches
Operators
921711, 192 91A, 192 98, F16D 2508, F16D 2314
Patent
active
054582245
ABSTRACT:
Construction in order to improve wear-resistance of a hydraulic fluid chamber in which a clutch release-actuating tubular piston is operative within a cylindrical housing made of a resin-based material reinforced with glass fiber, the piston axially driving a clutch release bearing to force a clutch diaphragm spring to release the clutch of a motor vehicle power train. A sealing member is provided on tile piston for sealing piston-driving hydraulic fluid within the fluid chamber. The cylindrical housing is double-walled, defining the axially extending tubular fluid chamber. A layer of nickel is electroless-plated at least along the fluid chamber bore where the sealing member slides; alternatively stainless steel linings are installed along the corresponding portions of the chamber bore. The plated layer or linings on the fluid chamber improve wear resistance of tile cylindrical housing and make the sealing member less susceptible to damage, lengthening the life of the hydraulic cylinder apparatus composed by the cylindrical housing and associated elements.
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Kabushiki Kaisha Daikin Seisakusho
Pitts Andrea L.
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