US 12,007,212 B2
Joule-Thompson cooler actuation systems
Jason Graham, Prior Lake, MN (US); and Craig R. Bibeau, Shakopee, MN (US)
Assigned to Simmonds Precision Products, Inc., Vergennes, VT (US)
Filed by Simmonds Precision Products, Inc., Vergennes, VT (US)
Filed on Oct. 8, 2021, as Appl. No. 17/450,449.
Prior Publication US 2023/0114102 A1, Apr. 13, 2023
Int. Cl. F42B 15/34 (2006.01); F25B 9/02 (2006.01); F42B 10/20 (2006.01); F42B 10/52 (2006.01)
CPC F42B 15/34 (2013.01) [F25B 9/02 (2013.01); F42B 10/20 (2013.01); F42B 10/52 (2013.01); F25B 2309/02 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An actuation system for a guided munition, comprising:
a reservoir disposed in a guided munition body housing a compressible fluid in a compressed state;
a fluid path connecting the reservoir in fluid communication with a heat exchange volume;
a throttling orifice disposed in the fluid path configured to expand the compressible fluid; and
an actuation path connecting the heat exchange volume in fluid communication with a moveable component, wherein the actuation path is configured to supply pneumatic pressure to the moveable component, wherein the moveable component includes a nose cone segment mounted to the guided munition body.