Motors: expansible chamber type – Working member position feedback to motive fluid control – Follower type
Patent
1993-02-03
1994-03-01
Look, Edward K.
Motors: expansible chamber type
Working member position feedback to motive fluid control
Follower type
91377, F15B 910
Patent
active
052897575
ABSTRACT:
A housing is provided with a guide which projects into a cylindrical section of a power piston. A reaction piston is slidably supported by the guide, and an input shaft is in turn slidably supported by the reaction piston. A spring which urges the reaction piston is disposed in a clearance defined between the outer periphery of the guide and the inner periphery of the cylindrical section of the power piston. A first engaging portion is formed on the reaction piston to project radially outward, and a first stop is formed on the cylindrical section to restrict a rearward movement of the reaction piston. A second engaging portion is formed on the input shaft so as to project radially outward while a second stop is formed on the reaction piston to restrict a rearward movement thereof. With this arrangement, an increase in the axial and the diametrical dimension of a liquid pressure booster can be prevented.
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Jidosha Kiki Co. Ltd.
Look Edward K.
Ryznic John
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