Engine air intake valve

Details Engine air intake valve Engine air intake valve

1989-07-10

1990-12-11

Wolfe, Willis R.

Internal-combustion engines

Engine speed regulator

Idle speed control

123585, 25112911, F02M 2306

Patent

active

049762370

ABSTRACT:
An engine air intake valve for controlling engine idling speed includes a rotary electrical actuator for actuating a rotary slidable valve element across a flow port in a cylindrical valve seat. The flow port is rectangular so that each unit angular movement of the valve element produces the same in air flow rate. The rotary electrical actuator includes a stator having a wire wound therearound to produce two opposed magnetic poles at diametrically-spaced points on the stator circumference.

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patent: 4724811 (1988-02-01), Maisch
patent: 4771750 (1988-09-01), Breitkreutz et al.
patent: 4796580 (1989-01-01), Wakeman

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