Valves and valve actuation – Electrically actuated valve – Having means to produce proportional flow
Patent
1992-10-01
1993-11-30
Rosenthal, Arnold
Valves and valve actuation
Electrically actuated valve
Having means to produce proportional flow
25112901, 251 65, 251905, 25112905, 137901, F16K 3106, F16K 3110
Patent
active
052658422
ABSTRACT:
An engine emission control metering valve includes a metering ball valve element operatively connected to an electrically-energized linear actuator that includes a stationary magnet and a moving coil concentric with the magnet. The coil has a different axial length than the magnet such that application of a current to the coil causes coil-generated magnetic flux to axially push the coil away from the magnet. Coil movement translates into movement of the metering valve element through the wedging action of a cam element driven by the coil movement.
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Sorah Gary V.
Troxler John E.
Federal-Mogul Corporation
Rosenthal Arnold
Shurupoff Lawrence J.
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