Actuator using electrical contacts pressed in abutment

Details Actuator using electrical contacts pressed in abutment Actuator using electrical contacts pressed in abutment

1999-03-22

2000-09-26

Ponomarenko, Nick

Electrical generator or motor structure

Non-dynamoelectric

Thermal or pyromagnetic

310306, 318117, H02N 1000

Patent

active

06124662&

ABSTRACT:
An actuator for selectively exerting a force responsive to an increase or decrease in applied electrical energy, including an electrically conductive member slideably seated within an electrically non-conductive frame, a thermally responsive and electrically conductive shape memorizing spring seated within the frame and adjacent to the member for urging the member responsive to the passage of electrical current through the shape memorizing spring. An electrically conductive contact strip is connected to the frame and extends therefrom in contact with the member such that movement of the member from the neutral position toward an optimal position will maintain the member in contact with the contact strip and wherein movement of the member to the optimal position will disconnect the member and the contact strip. A power source for generating energy is electrically connected to the contact strip and to the shape memorizing spring whereby a circuit is formed when the member is in contact with the contact strip. A thermally non-responsive spring is seated within the frame for urging the member toward the thermally responsive shape memorizing spring.

REFERENCES:
patent: 2063705 (1936-12-01), Smulski
patent: 2869045 (1959-01-01), Stephenson
patent: 3184622 (1965-05-01), Levine
patent: 4811564 (1989-03-01), Palmer
patent: 4932429 (1990-06-01), Watanabe et al.
patent: 5211371 (1993-05-01), Coffee
patent: 5389072 (1995-02-01), Imran

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