Engine brake control system

Details Engine brake control system Engine brake control system

1977-09-02

1979-04-17

Reger, Duane A.

Brakes

Internal-resistance motion retarder

Combined with mechanism retarded by brake

123 97B, F02D 906

Patent

active

041496183

ABSTRACT:
An engine brake control system comprises a cut-off valve disposed within an exhaust pipe of an internal combustion engine to block the exhausted gas flowing through the pipe and a vacuum motor having a spring loaded diaphragm piston operatively connected to the cut-off valve to close the valve in response to release of an accelerator pedal. In the vacuum motor, first and second chambers facing to the diaphragm piston are communicated with a vacuum source to open the valve during depression of the accelerator pedal in such a manner that only the second chamber is communicated with the atmospheric pressure in response to release of the accelerator pedal to swiftly operate the piston.

REFERENCES:
patent: 2924205 (1960-02-01), Williams
patent: 4061215 (1977-12-01), Ishikawa

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