MECHANISM WITH THERMOSENSITIVE DRIVE Russian patent published in 2002 - IPC

FIELD: mechanical engineering. SUBSTANCE: proposed mechanism has cylinder, rod and piston placed inside cylinder, and sensitive element made of memorized shape effect material connected with piston. Mechanism is provided with cup connected with cylinder inside which rod is placed passing through bottom of cup, and spring resting by one end against cup bottom and by other end against piston. Cup is provided with stop for piston. Sensitive element is made in form of set of plates manufactured of memorized shape effect material installed side cylinder. Adequate grooves are made on outer surface of piston in contact with inner surface of cylinder and on said surface of cylinder. Spring ring is installed inside cylinder groove. EFFECT: improved reliability of mechanism in operation. 3 dwg