Metering valve stem seal
Method and means for preventing valve bridge cracks in cylinder
Method and system for controlling intake flow between direct and
Non-circular poppet valves for internal combustion engine cylind
Oil-sealing valve guide insert and method of manufacture
Oil-starved valve assembly
Poppet valve for internal combustion engine
Poppet valve made of ceramics
Poppet valve shield
Puffing swirler
Reciprocable piston internal combustion engine, especially diese
Reciprocating piston internal combustion engine with twist formi
Rotary valve system for motors and the like having improved seal
Rotary valve system for motors and the like having improved seal
Rotatable shrouded valve for improving a scavenging of 2-stroke
Selective asymmetric swirl intake port
Self locking valve guide
Self locking valve seat insert
Shielded valve
Shrouded valve for internal combustion engine