Fluid-pressure and analogous brake systems – Multiple systems
Patent
1998-06-26
2000-08-22
Oberleitner, Robert J.
Fluid-pressure and analogous brake systems
Multiple systems
3031151, B60T 1374
Patent
active
06106078&
ABSTRACT:
A brake apply system includes a pressure charging module having a bore carrying a pumping piston that has a base piston surface and an augmentation piston surface. The pressure charging piston separates the bore into an input chamber adjacent the base piston surface and an output chamber adjacent the augmentation piston surface. A suspension damper is hydraulically connected to the input chamber of the pressure charging module, preferably through a continuously open fluid communication circuit. A wheel brake is hydraulically connected to the accumulator output chamber through a selectively open fluid communication circuit. An accumulator is interconnected in the selectively open fluid communication circuit and maintains a pressure charge that is generated by movement of the pumping piston as effected by operation of the damper and that is delivered to the wheel brake through the selectively open fluid communication circuit Through this mechanism the initial pressurization rate of the brake apply system is increased.
REFERENCES:
patent: 1332428 (1920-03-01), Cooper
patent: 1862195 (1932-06-01), Newton
patent: 3475059 (1969-10-01), Klein
patent: 3666038 (1972-05-01), Hudspeth et al.
patent: 4588205 (1986-05-01), Gaiser
patent: 4743073 (1988-05-01), Gruenberg
patent: 5246283 (1993-09-01), Shaw et al.
patent: 5337560 (1994-08-01), Abdelmalek
Baumgartner Ernst Severin
Hageman John Benjamin
Johnston Gary Lee
Kruckemeyer William Charles
Oliver Michael Leslie
General Motors Corporation
Oberleitner Robert J.
Sigler Robert M.
Williams Thomas J.
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