Automotive Glossary
Automotive Glossary
Browse the glossary using this index
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RONRated Octane Number | |
RoofAdditional structural panel of vehicle body. | |
Roots SuperchargerType of mechanical pressure charger using two twin or triple lobed rollers to form an air pump in the inlet tract of an engine. | |
Rotary Air ValveA valve that uses a shutter to cover a hole depending on the amount of rotation. Usually used to refer to an auxiliary air valve on an injection system. | |
Rotary Control ValvePower steering control valve coupled to the steering column, which operates by inner and outer components coming together to open valve orifices to allow hydraulic fluid flow. | |
Rotary MovementCircular motion. Movement provided by the basic gear wheel or crank. | |
Rotary PumpType of diesel fuel injection pump. | |
Rotoflex JointA propeller shaft universal joint using a sleeved hexagonal rubber ring between alternate three pointed couplings on each of the two connecting shafts. | |
RotorA component that rotates! Such as a brake disc, alternator rotor or oil pump rotor. | |