Traction control system having pilot operated valves

Details Traction control system having pilot operated valves Traction control system having pilot operated valves

1995-07-20

1999-03-16

Poon, Peter M.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

3031134, 3031161, 3031191, B60T 834

Patent

active

058820906

ABSTRACT:
A hydraulic braking system providing anti-lock braking ("ABS") and traction control ("TC") incorporates a normally closed pilot-operated traction control switching valve to permit brake pressure in the driven wheel greater than master cylinder pressure. A dual flow return path can be used during brake release. The system also uses a normally open pilot-operated supply valve between the pump inlet and the master cylinder.

REFERENCES:
patent: 4750788 (1988-06-01), Seibert et al.
patent: 5209552 (1993-05-01), Reinartz et al.
patent: 5299858 (1994-04-01), Beck

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