Brake cylinder-piston slave unit seal having radial roll-back pr

Details Brake cylinder-piston slave unit seal having radial roll-back pr Brake cylinder-piston slave unit seal having radial roll-back pr

1984-06-22

1989-08-22

Garrett, Robert E.

Expansible chamber devices

Piston

Side wall portion includes peripheral axially extending...

92248, 92254, 277 27, 277166, 277205, 277207R, 188 724, 188370, F16D 6520, F16D 6524, F16J 1532, F16J 1534

Patent

active

048585165

ABSTRACT:
In a piston-cylinder assembly for hydraulic brake systems of automotive vehicles, the piston is at least partially composed of ceramics. A hydraulic seal is interposed between the piston and the cylinder. To simplify the assembly while allowing comparatively great tolerances, the seal is fitted at the end of the piston that is adapted to be mounted close to a pressure chamber within the system. The seal is provided with radially-extending projections which cause the piston to spring back by a roll-back effect.

REFERENCES:
patent: 2050736 (1936-08-01), Sampson
patent: 2089471 (1937-08-01), Geyer
patent: 2132730 (1938-10-01), Geyer
patent: 2926976 (1960-03-01), Bowerman
patent: 3144256 (1964-08-01), Wright
patent: 3971217 (1976-07-01), Firth
patent: 4170926 (1979-10-01), Emmett
patent: 4364159 (1982-12-01), Holcombe
patent: 4417503 (1983-11-01), Izumi
patent: 4498219 (1985-02-01), Ban
patent: 4510752 (1985-04-01), Gaiser

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