Brake booster operated also by solenoid

Details Brake booster operated also by solenoid Brake booster operated also by solenoid

1983-08-12

1985-01-22

Garrett, Robert E.

Power plants

Pressure fluid source and motor

Pulsator

605471, 60555, B60T 1374

Patent

active

044943776

ABSTRACT:
A brake booster is operated both by braking actuated by a brake pedal and by a solenoid. A moving core of the solenoid and a relay valve piston of the brake booster are linked by a balance lever, and the moving core of the solenoid has a much larger mobility than the relay valve piston during braking because the fulcrum of the lever is positioned nearer to the relay valve piston to enable the solenoid to be miniaturized. When the solenoid is actuated, the moving core requires much more time to move than to return. In an automobile equipped with this brake booster, the braking force can be increased gently but interrupted quickly during braking actuated by the solenoid.

REFERENCES:
patent: 2092364 (1937-09-01), Stevens
patent: 2866838 (1959-01-01), Lucien et al.
patent: 2959012 (1960-11-01), Johnson
patent: 3656076 (1972-04-01), Prouty et al.
patent: 3684071 (1972-08-01), Wheymann
patent: 3756660 (1973-09-01), Burgdorf
patent: 3797246 (1974-03-01), Belart et al.
patent: 3856362 (1974-12-01), Howard
patent: 4044323 (1977-08-01), Sleger

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