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FIIG:  T267-J

Entry Date:  Apr-01-1974

Concept:  

Status:  A

Applicability:  JA

Type:  0

Definition:  A spring loaded metallic device which is specifically designed to rotate the poppet valves of an internal combustion engine to prevent uneven wear and/or distortion of the valve seating surface. See also SEAT, HELICAL COMPRESSION SPRING.

Basic INC:  70610

Basic Name:  ROTOR

Description:  1. (Electrical Rotating Machine) The rotating part of an electrical rotating machine which does not include a commutator. It may include the winding and/or collector rings. 2. (Mechanical Rotating Machine) An item or assembly of items which functions by rotating within the stationary member of a device through the use of hydraulic, mechanical, pneumatic, and/or thermodynamic energy. It revolves on a diametral axis and maintains the relative position of connected parts, oil passages, and/or other components. The item is primarily designed to develop torque, thrust, or pressure for transmitting concentric or reciprocating motion to associated elements, such as blades, cams, gears, hubs, pistons, valves, vanes, or the like.