Brake Booster with a seal and guide unit

Details Brake Booster with a seal and guide unit Brake Booster with a seal and guide unit

1987-11-06

1988-12-27

Garrett, Robert E.

Expansible chamber devices

With guide or seal on cylinder end portion for piston or...

Non-metallic seal means between piston or member and end...

91376R, 277166, 277208, F16J 1518, F15B 910

Patent

active

047932422

ABSTRACT:
In a brake booster a seal unit is provided which maintains a shell hermetically sealed in particular, in a region where a valve body reciprocates with respect to the shell and which guides the valve body in sliding contact with the shell. A portion of a seal member disposed between the shell and the valve body which is in sliding contact with the valve body is supported by a retainer to function as a bearing.

REFERENCES:
patent: Re28191 (1974-10-01), Kytta et al.
patent: 2549818 (1951-04-01), Joy
patent: 2815970 (1957-12-01), Wallace
patent: 4407184 (1983-10-01), Ando et al.
patent: 4423666 (1984-01-01), Ohmi

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