#WOODWARD GOVERNOR CO [US]

A SOLID STATE TURBINE ENGINE IGNITION EXCITER HAVING ELEVATED TEMPERATURE OPERATIONAL CAPABILITY

A turbine engine ignition exciter circuit applies energy stored in the exciter tank capacitor to the load (igniter plug) through a thyristor type semiconductor switching device that minimizes leakage …

DRIVE·Dec 21·1 min read

F02P15/003 WOODWARD GOVERNOR CO [US]

Method and apparatus for detecting abnormal combustion conditions in reciprocating engines having high exhaust gas recirculation

An apparatus and method to detect abnormal combustion conditions for use as a feedback control of an EGR (Exhaust Gas Recirculation) controlled reciprocating engine using ionization signals is present…

DRIVE·Nov 30·1 min read

F02D35/021 WOODWARD GOVERNOR CO [US]

Method and apparatus for controlling pilot fuel injection to minimize NOx and HC emissions

The present invention provides a system that controls the amount and timing of pilot fuel injection to obtain minimum NO x and UHC emissions. The system senses if combustion occurs, when combustion oc…

DRIVE·Aug 3·2 min read

F02D19/061 WOODWARD GOVERNOR CO [US]

Method and apparatus for controlling combustion quality in lean burn reciprocating engines

An apparatus and method to detect and control the combustion quality of a lean bum reciprocating engine using ionization signals is presented. The system receives a succession of ionization signals fo…

DRIVE·May 19·2 min read

F02D35/021 WOODWARD GOVERNOR CO [US]

Method and apparatus for detecting abnormal combustion conditions in lean burn reciprocating engines

An apparatus and method to detect abnormal combustion conditions for use as a feedback control of a lean burn reciprocating engine using ionization signals is presented. The system receives a successi…

DRIVE·May 6·2 min read

F02D35/021 WOODWARD GOVERNOR CO [US]

Method and mechanism to reduce flow forces in hydraulic valves

A mechanism for controlling forces in a valve assembly such as flow induced forces. The valve assembly comprises a valve body defining first and second flow passages. A valve is movable in the valve b…

DRIVE·Oct 23·2 min read

F02M59/366 WOODWARD GOVERNOR CO [US]

Fuel injection system

A fuel system for use in an internal combustion engine, the fuel system comprising a source (10) of high pressure fuel for supplying fuel through a single fuel supply path (14) to an injector (12) for…

DRIVE·Apr 24·1 min read

F02M45/12 WOODWARD GOVERNOR CO [US]