Electrically actuated EGR valve

Details Electrically actuated EGR valve Electrically actuated EGR valve

1987-07-31

1989-06-20

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

Rotary electric actuator

137486487.5, 25112912, F16K 3104, F16K 3152

Patent

active

048403504

ABSTRACT:
An electrically controlled EGR valve comprising: a valve stem (64), eccentrically positioned from an axis of rotation and movable in a substantially axial manner relative to a valve seat (84); a poppet valve (70) carried by the valve stem for closing the valve seat (84); a first shaft (52) eccentrically positioned relative to the axis of rotation and engagably connected to one end of the valve stem (64), and an electrically controlled actuator such as a torque motor (30) for rotating the first shaft (52) about the axis to cause the valve stem to move.

REFERENCES:
patent: 2735047 (1956-02-01), Garner et al.
patent: 3414232 (1968-12-01), Hellman
patent: 3857544 (1974-12-01), Rigby
patent: 4153021 (1979-05-01), Hattori et al.
patent: 4190081 (1980-02-01), Coles
patent: 4556169 (1985-12-01), Zervos
patent: 4573494 (1986-03-01), Spurbeck

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