Oil air lubricating apparatus

Oil and air lubrication device

Oil channeling in a centrifugal compressor transmission

Oil circulating apparatus for automatic transmission

Oil circulation retention system and method

Oil circulation structure for linear compressor and method...

Oil consumption measurement system for internal combustion engin

Oil container arrangement for vehicles

Oil control system

Oil control unit for high-performance vehicles

Oil discharge diffuser

Oil discharge structure of baffle plate

Oil distributing means

Oil diverting unit for a refrigerant compressor

Oil filter cooler

Oil filter pump and automatic method for prelubricating an engin

Oil flow control device for power transmissions

Oil injection apparatus

Oil leak prevention structure for vacuum pump

Oil level regulator