Diaphragm-operated pressure control valve assembly
Diesel engine intake air preheater fuel control
Diesel engines
Digital closed loop fuel control system
Digital control device for recirculated flow of exhaust gas in a
Digital electronic ignition spark timing system
Digital ignition spark timing angle control with read only memor
Digital-electronic engine ignition system
Direct-injection spark-ignition engine
Discharge valve for injection pumps of internal combustion engin
Distributor assembly
Distributor for an internal combustion engine
Distributor means for high speed engines
Distributor type fuel pump
Drum controller
Dry gaseous fuel generator
Dual fuel supply system
Dual port intake device for an internal combustion engine...
Dual spark plug ignition internal combustion engine
Dual spark plug ignition internal combustion engine having impro