Servo-motor for power-assisted braking

Details Servo-motor for power-assisted braking Servo-motor for power-assisted braking

1983-10-07

1985-02-19

Garrett, Robert E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

91369A, 92165PR, 92168, 92166, F15B 910

Patent

active

044998120

ABSTRACT:
The two chambers (8, 9) on either side of the movable wall structure forming a piston (7) are each sealingly delimited internally by a first and a second flexible impervious walls (23) which connect the central hub part (11) incorporating the control valve (12) to the central annular end zones (22 ; 24) of the corresponding end walls (2 ; 3) of the housing, the central zones delimited peripherally by said flexible walls being interconnected by at least a passage (39) traversing the central hub part, thus providing in the center of the housing a neutral cylindrical zone (32). In this neutral zone (32) there extend force-transmitting elements (38) which have at their ends fastening means (40), for example with assembly flanges (41, 42), and which slidingly pass through said passages (39) formed in the body of the central hub part (11), thus in no way interfering with the control and fluid actuation system of the servo-motor.

REFERENCES:
patent: 1765760 (1930-06-01), Duty et al.
patent: 4393750 (1983-07-01), Wagner
patent: 4398449 (1983-08-01), Takayama et al.
patent: 4409885 (1983-10-01), Reinartz et al.
patent: 4433614 (1984-02-01), Takeuchi et al.

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