Mechanical wheel lock control

Details Mechanical wheel lock control Mechanical wheel lock control

1976-06-21

1977-09-06

Halvosa, George E. A.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

188181A, 303116, B60T 8093

Patent

active

040464270

ABSTRACT:
A flywheel driven by the differential ring gear of a vehicle senses rear wheel velocity and deceleration rates. A modulating unit includes an accumulator and a pump driven by the same shaft that drives the flywheel from the ring gear. A brake fluid accumulator stores brake fluid during each brake release cycle. The pump pumps fluid from the accumulator into the rear brakes to restore the original brake actuating pressure during each reapply cycle. Pressure from the master cylinder is blocked by movement and position of the accumlator piston during the release and reapply cycles. Orifices control the rate of pressure release and apply.

REFERENCES:
patent: 3276822 (1966-10-01), Lister et al.
patent: 3600043 (1971-08-01), Kosselmann
patent: 3724914 (1973-04-01), Skoyles

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