Method and apparatus for spatially orienting movable members using shape memory effect alloy actuator

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4790624
SERIAL NO

06926357

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method and apparatus for spatially orienting a remote flexible member such as the tip of a borescope to point in a desired direction employs heating to its transition temperature a shape memory efffect SME alloy actuating element coupled to the tip and cable. In one embodiment, an elongated helical spring fabricated from an SME alloy such as NI--TI or CU--ZN--AL is longitudinally disposed between the remote end of a borescope cable, and the borescope tip. An electrical resistance wire heater in contact with the spring and energized by an electrical power source controlled by an observer at the near end of the cable is used to heat a selected part of the spring to the transition temperature of the SME alloy of which it is fabricated, producing a controlled deflection of the borescope tip to point in a direction directed by the observer.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
AVIALL SERVICES, INC.DALLAS, TX0

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Saghatchi, Hamid Burbank, CA 10 283
Taylor, Geoffrey L Valencia, CA 24 681
Van, Hoye Michael Anaheim, CA 3 134

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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Patent Citation Ranking

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