Global Patent Index - EP 2116621 A2

EP 2116621 A2 20091111 - High temperature shape memory alloy actuators

Title (en)

High temperature shape memory alloy actuators

Title (de)

Hochtemperatur-Formspeicherlegierungsaktuatoren

Title (fr)

Actionneurs en alliage à mémoire de forme haute température

Publication

EP 2116621 A2 20091111 (EN)

Application

EP 09250494 A 20090224

Priority

US 3842408 A 20080227

Abstract (en)

A high temperature component having an actuator body 201 including an actuatable portion comprising a shape memory alloy containing one more of Ni, Al, Nb, Ti and Ta and a platinum-group metal. The shape memory alloy has an altered geometry at a predetermined temperature. The actuator body 201 is also capable of operation in and is resistant to high temperature oxidizing atmospheres. A method for forming an actuator and a method for high temperature control are also disclosed.

IPC 8 full level

C22C 19/00 (2006.01); C22C 5/04 (2006.01); C22C 27/02 (2006.01); C22F 1/00 (2006.01); C22F 1/10 (2006.01); F01D 17/14 (2006.01)

CPC (source: EP US)

C22C 19/00 (2013.01 - EP US); C22F 1/006 (2013.01 - EP US); C22F 1/10 (2013.01 - EP US); F01D 11/001 (2013.01 - EP US); C21D 2201/01 (2013.01 - EP US); F05D 2300/505 (2013.01 - EP US)

Designated contracting state (EPC)

DE FR GB

Designated extension state (EPC)

AL BA RS

DOCDB simple family (publication)

EP 2116621 A2 20091111; EP 2116621 A3 20101117; CN 101532400 A 20090916; CN 101532400 B 20150107; JP 2009203982 A 20090910; JP 5523719 B2 20140618; US 2015083281 A1 20150326

DOCDB simple family (application)

EP 09250494 A 20090224; CN 200910118437 A 20090227; JP 2009040075 A 20090224; US 3842408 A 20080227