Motor vehicle power assisted braking system

Details Motor vehicle power assisted braking system Motor vehicle power assisted braking system

1977-04-22

1979-04-17

Geoghegan, Edgar W.

Power plants

Pressure fluid source and motor

Apparatus having means responsive to or ameliorating the...

60413, 60582, F15B 102, F15B 2000

Patent

active

041493796

ABSTRACT:
In the case of pump failure a spool valve instantly connects a pressurized fluid accumulator with the servo motor which assistingly activates the master cylinder and isolates a power steering mechanism fluidly connected to the servo motor so that only the power brake is temporarily operable but with stepwise decreasing effectiveness.

REFERENCES:
patent: 3540218 (1970-11-01), Finn
patent: 3677007 (1972-07-01), Goscenski
patent: 3712176 (1973-01-01), Meyers
patent: 3719044 (1973-03-01), Bach
patent: 3887049 (1975-06-01), Ito et al.
patent: 3898809 (1975-08-01), Baker
patent: 3995529 (1976-12-01), Bach et al.
patent: 4034566 (1977-07-01), Suketomo et a.
patent: 4036106 (1977-07-01), Athy

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