Gm Global Technolgoy Operations, Inc.

Gene P Baynes

Wolfgang Melinat

Frank W Brooks, Sr

Thomas C Downs

Warren W Antrim

James E Enghauser

The disc brake caliper housing is fully mounted on, supported and retained by the brake shoes of the brake pad assemblies. All brake torque forces are transmitted from the shoes to the fixed mounting bracket. The caliper housing is subjected only to axially clamping forces. In one embodiment no bolts or pins are required to support the caliper assembly, including the brake pad assemblies, on the mounting bracket. In another embodiment an uncomplicated roll pin arrangement supports and retains the shoes and the caliper housing on the mounting bracket.

Shoe mounted disc brake caliper and shoe support structure

A hydraulic brake booster having a mechanical ratio changing mechanism between the booster input rod and one of the booster valve control members. The mechanism includes reaction levers pivotally mounted on the input valve control member and on a support member so that in normal booster operation the levers operate to move the input valve control member at a faster rate than the input rod, while the levers pivot to permit direct mechanical transmission of force from the input rod through the booster when no power or insufficient power is available to operate the booster.

Hydraulic power brake booster

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.

Mechanical wheel lock control

In a preferred embodiment an apex seal for a rotary combustion engine is disclosed having a hollow, thin wall, tubular, metal core member embedded in an extruded composite metal-carbon matrix. The seal is adapted to slidably engage the slot of the rotor in which it rides, and to sealingly engage the rotor housing against which it is spring and gas pressure biased. The incorporation of the hollow tubular core in the extruded seal permits a reduction in weight with no significant loss in flexural strength or wear resistance. It also provides gas pressure balance, end to end.

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Kettering, OH, United States of America

Gene P Baynes