Vacuum servomotor for assisted braking

Details Vacuum servomotor for assisted braking Vacuum servomotor for assisted braking

1986-08-19

1988-03-08

Garrett, Robert E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

91369A, F15B 910

Patent

active

047292881

ABSTRACT:
The tubular part (9) of the hub (7) of the piston assembly (5), which encloses the distribution valve (8), supports an assembly (200) consisting of a guiding ring (21) and a seal (20) cooperating with the internal wall of a tubular part (22) mounted, for example crimped, inside a central duct (23) of the rear shell (2) of the servomotor housing (1) and having a first end part (26) extending so as to project axially into the rear working chamber (4) of the servomotor. Advantageously, the tubular part (22) has a second end part (37) forming a stop (36) for a limit member (31) associated with input rod (12) and forming a bearing for the return spring (30) of the input rod (12).

REFERENCES:
patent: 2735268 (1956-02-01), Stelzer
patent: 2862366 (1958-12-01), Ingres et al.
patent: 3093119 (1963-06-01), Stelzer
patent: 3387455 (1968-06-01), Eggstein
patent: 4286501 (1981-07-01), Thomas et al.

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