Internal-combustion engines – Engine speed regulator – Responsive to deceleration mode
Patent
1994-10-07
1996-01-02
Wolfe, Willis R.
Internal-combustion engines
Engine speed regulator
Responsive to deceleration mode
25112910, F01L 1306, F02D 1304
Patent
active
054798906
ABSTRACT:
In a compression release engine brake for increasing the braking available from an associated internal combustion engine, an electrically controlled hydraulic valve having at least two coils and at least two positions is used to apply high pressure hydraulic fluid to a hydraulic actuator for opening an exhaust valve in the engine when a compression release event in the engine is desired. After each compression release event, the valve is switched to a condition in which it allows hydraulic fluid to drain from the hydraulic actuator, thereby allowing the associated engine exhaust valve to close.
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Myron Brudnicki, Rotary Ball Valve, NASA Tech Briefs, Mar. 1994.
Hu Haoran
Konopka John A.
Diesel Engine Retarders, Inc.
Jackson Robert R.
Wolfe Willis R.
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