The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 30, 2019
Filed:
Sep. 06, 2015
Applicant:
Koninklijke Philips N.v., Eindhoven, NL;
Inventors:
Karel Johannes Adrianus Van Den Aker, Liempde, NL;
Daan Anton Van Den Ende, Breda, NL;
Assignee:
Koninklijke Philips N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03G 7/06 (2006.01); C22C 19/00 (2006.01);
U.S. Cl.
CPC ...
F03G 7/065 (2013.01); C22C 19/007 (2013.01);
Abstract
A heat sensitive actuator utilizes a bilayer of shape memory material, each layer thermally stimulated to change shape at a different temperature, to generate two-way actuation functionality. The second layer—with higher phase-change temperature—brings up greater intrinsic force in its high temperature phase than the first, and in this way is able to be used to reset the actuator to its initial shape after being deformed by the first layer at a lower temperature.