Helix Technology Corporation

Yueli Zhang

Ronald Norman Morris

David Christopher Giusti

A drive for driving a displacer in a cryogenic refrigerator includes a rotatable cam having a cam surface. The cam is rotatable about a pivot point with a cam follower contacting the cam surface. Rotational motion of the cam is converted into reciprocating motion of the cam follower. A displacer rod is coupled between the cam follower and the displacer for transferring the reciprocating motion of the cam follower to the displacer for driving the displacer.

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Medfield, MA, United States of America

Yueli Zhang