Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1995-02-06
1995-10-03
Oberleitner, Robert J.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
3031132, B60T 842
Patent
active
054546311
ABSTRACT:
A traction control modulator for an automotive traction control system includes a housing having a longitudinal bore in fluid communication with the system. A drive gear selectively rotates a drive screw. A non-rotative nut is threaded onto the drive screw and mounted in the bore. A piston is attached to the nut and slidably mounted in the bore. A retainer is attached to the piston. A spring biases a poppet assembly away from the piston. The poppet assembly is slidably mounted in the bore and includes a poppet, a seal and a seal retainer. The seal retainer has an annular flange received in a groove on a poppet head and an annular cap fitted over a base of the seal.
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Frieling Rowan
Puterbaugh Jerome E.
Zupan Mark A.
General Motors Corporation
Oberleitner Robert J.
Poon Peter M.
Simon Anthony Luke
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