US 12,168,975 B2
Shape memory actuator and method of making same
David Yang, Cambridge (CA); Jaideep Singh, Cambridge (CA); Siu Kei Tang, Cambridge (CA); Jak Li, Cambridge (CA); Alanna Pouw, Cambridge (CA); Ibrahem Khan, Cambridge (CA); and Michael Kuntz, Cambridge (CA)
Assigned to SMARTER ALLOYS INC., Cambridge (CA)
Filed by SMARTER ALLOYS INC., Cambridge (CA)
Filed on Aug. 25, 2021, as Appl. No. 17/411,558.
Claims priority of provisional application 63/070,029, filed on Aug. 25, 2020.
Prior Publication US 2022/0065233 A1, Mar. 3, 2022
Int. Cl. F03G 7/06 (2006.01)
CPC F03G 7/0614 (2021.08) [F03G 7/0616 (2021.08)] 9 Claims
OG exemplary drawing
 
1. A shape memory actuator comprising:
a valve seat;
a set of connector pads; and
a set of actuating regions located between the valve seat and the set of connector pads connecting the valve seat to each of the set of connector pads;
wherein the set of actuating regions are made from:
a nickel-titanium (NiTi) alloy; and
a ternary element provided to the nickel-titanium alloy such that the content of the ternary element is selected and processed based on a predetermined operating temperature for the actuator.