Electrical generator or motor structure – Dynamoelectric – Reciprocating
Patent
1989-03-30
1990-03-06
Salce, Patrick R.
Electrical generator or motor structure
Dynamoelectric
Reciprocating
25112915, 251 65, 335258, H01H 708
Patent
active
049068806
ABSTRACT:
In an electromagnetic valve, the fixed core of a solenoid has an axially extending annular wall at one end. The movable core of the solenoid is connected to a poppet for closing a fluid passage of a valve seat member and is fittable in the recess defined by the annular wall. The magnetic flux flow path including the annular wall provides reduced hysteresis for the initial part of the stroke of the poppet upon energization of the solenoid.
REFERENCES:
patent: 4419643 (1983-12-01), Ojima et al.
patent: 4463332 (1984-07-01), Everett
patent: 4791958 (1988-12-01), Brundage
patent: 4835503 (1989-05-01), Everett
Aisin Seiki Kabushiki Kaisha
Rebsch D. L.
Salce Patrick R.
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