US 9,810,339 B2
Single axis thermal relief valve
James Anthony Kujawski, Jr., Attica, NY (US); and Nicholas Harvey Ihle, Tonawanda, NY (US)
Assigned to Oetiker NY, Inc., Lancaster, NY (US)
Filed by Oetiker NY, Inc., Lancaster, NY (US)
Filed on Feb. 10, 2015, as Appl. No. 14/618,090.
Prior Publication US 2016/0230901 A1, Aug. 11, 2016
Int. Cl. F01P 7/02 (2006.01); G05D 23/13 (2006.01); G05D 23/12 (2006.01); F01P 7/14 (2006.01); F16K 31/00 (2006.01); G05D 23/02 (2006.01)
CPC F16K 31/002 (2013.01) [G05D 23/022 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A thermal relief valve, comprising:
a housing comprising at least one channel, a first aperture, and a second aperture, wherein said first aperture and said second aperture are arranged symmetrically about a central axis;
an actuator within said housing arranged about said central axis housing;
a first seal secured to said actuator, said first seal comprising a plurality of apertures, and having a first upwardly facing surface, and a second downwardly facing surface;
a first spring arranged between said second surface of said first seal and said housing component;
a second seal comprising a first upwardly facing surface and a second downwardly facing surface, said first surface of said second seal positioned on said second surface of said first seal; and,
a second spring arranged between said second surface of said second seal and said housing, wherein said first seal and said second seal are axially movable by said actuator along said central axis.