Glossary “rotary vane pump” Definition:
A pump with blades used for power steering pumps, A/C compressors, or smog pumps

Glossary “rotary vacuum valve” Definition:
Part of a vacuum control used to divert a vacuum signal for operation of doors, switches, and/or valves.

Glossary “rotary valve” Definition:
Semi-circular disc in a two-stroke engine that opens and closed the intake port.

Glossary “rotary valve steering gear” Definition:
Type of power steering gear.

Glossary “rotary flow” Definition:
Torque converter oil flow associated with the coupling stage of operation.

Glossary “rotary oil flow” Definition:
Condition caused by the centrifugal force applied to the oil as the converter rotates around its axis.

Glossary “rotary engine” Definition:
A engine with a three-sided rotor in a slightly hourglass-shaped oval chamber.

Glossary “rotary combustion engine (RC engine)” Definition:
A four-cycle engine having a revolving triangular-shaped rotor to transfer power thrust via eccentric(s) to the output shaft.

Glossary “rotary diesel” Definition:
A rotary combustion engine operating on diesel principles in which the fuel injected into the combustion chamber at the end of the compression phase is ignited by the heat produced during compression, rather than by the spark from a plug.