Preheating installation for air-compressing and auto-igniting in
Pressure control valve assembly
Pressure pulse communication in an engine intake manifold
Pressure reduction limiter in a combustion engine
Pressure regulating valve for fuel injection systems
Pressure regulator for engine
Pressure regulator of liquefied-gas fuel system for internal com
Pressure relief at fuel injection valve upon termination of inje
Pressure relief means for a thin wall, air intake pipe for an in
Pressure responsive engine ignition control system
Pressure transducer and exhaust gas recirculation control valve
Pressure vent
Pressure-responsive transducer for regulating internal combustio
Pressurizing fuel ram air charger
Primer
Primer bulb check valve system for an internally vented bowl pri
Primer bulb retainer
Primer follow-through system
Primer for float-type carburetors
Primer system for internal combustion engine