Reciprocating stratified charge internal combustion engine and m
Reducing noxious components from the exhaust gases of internal c
Regulating arrangement for internal combustion engines, especial
Residual gas control apparatus for internal combustion engines h
Rich core stratified charge spark ignition engine with periphera
Rich-core stratified charge spark ignition engine with rich mixt
Rotary internal combustion engine employing compression ignition
Rotary machine and thermal cycle
Rotating cup fuel injector
Rotational speed detecting apparatus for electronically-controll
Roughness sensor