U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Pneumatic method and device for diesel engine braking and restarting in the reverse direction

Patent 4038825 Issued on August 2, 1977. Estimated Expiration Date: Icon_subject August 2, 1994. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

1094591

1220011

1220805

1246361

1264994

1618937

1723699

1866234

Inventors

Application

No. 05/615367 filed on 09/22/1975

US Classes:

60/631, Including means selecting direction of engine rotation123/41RREVERSIBLE

Examiners

Primary: Ostrager, Allen M.

Attorney, Agent or Firm

Foreign Application Priority Data

1974-09-26 FR

Abstract

A method and a device for pneumatically braking and re-starting in the reverse direction a Diesel engine, comprising stopping the fuel supply to the engine, locking starting valves of the engine in an open position during the braking period, and then opening a main starting valve and the exhaust ports of the starting valves when the engine has slowed down to a rotary speed of a predetermined value.

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