Oil-sealing valve guide insert and method of manufacture
Oil-starved valve assembly
Oiless rotary scroll air compressor air inlet valve
Oiling mechanism for explosive engines
Oiling system for rock drills
Oilless internal combustion engine having gas phase lubrication
Omni-directional rotor
On-board catalytic converter efficiency monitoring
On-demand on-off water pump assembly
One piece tube and shell assembly
One-piece bladed drum of an axial turbomachine compressor
One-piece push rod having enlarged spherical seat
Open chamber exhaust mufflers and related methods of...
Open cycle internal combustion engine
Open gear set lubrication system
Operating device for poppet valves
Operating flexibility in igcc power stations
Operating mechanism for a hydraulic actuator having a...
Operation between valve points of a partial-arc admission...
Operation of an internal combustion engine