Fluid-pressure and analogous brake systems – With pump – Pressure control
Patent
1996-05-16
1998-01-27
Ballato, Josie
Fluid-pressure and analogous brake systems
With pump
Pressure control
3031161, 3031164, B60T 848
Patent
active
057115826
ABSTRACT:
A braking pressure control device having a first shut-off valve in a fluid passage connecting master cylinder and vehicle wheel brake cylinder, a second shut-off valve between the first shut-off valve and the brake cylinder, a reciprocatingly pump device having a variable-volume chamber which is connected to a portion of the fluid passage between the first and second shut-off valves and whose volume is changed by reciprocating movement of a pump piston, and a synchronizer for opening and closing the first and second shut-off valves in timed relationship with suction and delivery strokes of the pump piston for suction and delivery of a brake fluid into the variable-volume chamber.
REFERENCES:
patent: 5156449 (1992-10-01), Wetzel
patent: 5324103 (1994-06-01), Iwata
Ballato Josie
Toyota Jidosha & Kabushiki Kaisha
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