Fluid-pressure and analogous brake systems – Multiple fluid-receiving devices – Multiple motors
Patent
1975-08-04
1976-11-30
Blix, Trygve M.
Fluid-pressure and analogous brake systems
Multiple fluid-receiving devices
Multiple motors
188349, 303 24C, 303 24F, B60T 814, B60T 824, B60T 826
Patent
active
039945332
ABSTRACT:
A hydraulic brake pressure control valve includes a first pressure chamber connectable with a source of hydraulic pressure such as a master cylinder, a second pressure chamber connectable with a rear wheel brake cylinder, a fluid passage for communicating the pressure chambers with each other, and an inertia valve for preventing communication through the fluid passage when deceleration of the vehicle exceeds a predetermined value. The control valve further includes a plunger slidably disposed in a bore, the opposite ends of which are exposed to hydraulic pressure in the first and second pressure chambers respectively. A piston is slidably disposed in a bore and has one end which is exposed to hydraulic pressure in the first pressure chamber and another end which is exposed to atmospheric pressure or gas pressure. A first spring acts on the piston against hydraulic pressure in the first pressure chamber, and a second spring moves the plunger toward the first pressure chamber when the piston is moved against the spring force of the first spring.
REFERENCES:
patent: 3143125 (1964-08-01), Stelzer
patent: 3147046 (1964-09-01), Stelzer
patent: 3163473 (1964-12-01), Stelzer
patent: 3252740 (1966-05-01), Stelzer
patent: 3317251 (1967-05-01), Hambling et al.
patent: 3359729 (1967-12-01), Guettier
patent: 3398757 (1968-08-01), Milster
patent: 3455609 (1969-07-01), Bratten
patent: 3476443 (1969-11-01), Bratten et al.
patent: 3760841 (1973-09-01), Daffron
Blix Trygve M.
Butler Douglas C.
Tokico Ltd.
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