Master cylinder with dynamic reaction regulated by a difference

Details Master cylinder with dynamic reaction regulated by a difference Master cylinder with dynamic reaction regulated by a difference

1998-05-26

2000-02-15

Ryznic, John E.

Power plants

Pressure fluid source and motor

Pulsator

91370, B60T 1320

Patent

active

06023931&

ABSTRACT:
A master cylinder and pneumatic brake booster having hydraulic reaction means. The hydraulic reaction means which is mounted to slide within a main piston (12) in the master cylinder includes a central shut-off piston (4), a stepped and hollow reaction piston (5) and a ratio-change piston (6). First (71), second (72) and third (73) springs are associated with said hydraulic reaction means such that a push rod (3) receives only a portion of a reaction force is an actuation force is applied rapidly which is proportional to a difference between an internal cross section of the reaction piston (5) and an external cross section of the reaction piston (5).

REFERENCES:
patent: 3188796 (1965-06-01), French et al.
patent: 3817037 (1974-06-01), Belart
patent: 3990241 (1976-11-01), Owens
patent: 4967560 (1990-11-01), Konishi
patent: 5715680 (1998-02-01), Kruckemeyer et al.

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