Reciprocating engine with improved feed and exhaust valve means
Reciprocating engine with improved main bearing
Reciprocating engine with improved piston movement stabilizing m
Reciprocating engine with improved power output linkage
Reciprocating engine with improved power output means
Redundant servoactuator unit particularly to operate the flight
Regulating cylinder and piston unit and method of utilizing...
Regulators
Remote hydraulic pressure intensifier
Reversible fluid unit
Rotary control valve for expansion fluid driven engines
Rotary control valve for expansion fluid engines
Rotary servo valve and guidance system apparatus for controlling
Run-up control for the pressure cheek in a drawing apparatus