Wax Actuator and a Method of Actuating by Means of a Wax Actuator
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United States of America Patent
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Issued Date -
Apr 22, 2010
app pub date -
Mar 14, 2008
filing date -
Mar 16, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a method of actuating by means of a wax actuator and to a wax actuator. The wax actuator (10, 100, 200) includes a wax expansion generator comprising a housing (12) defining a chamber (18) which is partially filled with wax (20.1) and partially filled with hydraulic fluid, the wax (20.1) and the hydraulic fluid being separated by at least one sealing interface (20.2, 202), and heating means (22) for heating the wax (20.1) to cause it to melt and expand. The wax actuator (10, 100, 200) further includes a hydraulic transmission device comprising a hydraulic line (38) in communication with the hydraulic fluid within the chamber (18) and a connector (40) at a downstream end of the hydraulic line (38) for use in connecting the hydraulic line (38) to a working object.
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