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.:

US 9810339 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 07, 2017

Filed:

Feb. 10, 2015
Applicant:

Oetiker Ny, Inc., Lancaster, NY (US);

Inventors:

James Anthony Kujawski, Jr., Attica, NY (US);

Nicholas Harvey Ihle, Tonawanda, NY (US);

Assignee:

Oetiker NY, Inc., Lancaster, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
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);
U.S. Cl.
CPC ...
F16K 31/002 (2013.01); G05D 23/022 (2013.01);
Abstract

A thermal relief valve, comprising a housing having a channel, a first aperture, and a second aperture, wherein the first aperture and the second aperture are arranged symmetrically about a central axis, an actuator within the housing arranged about the axis, a first seal secured to the actuator, the 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 the second surface of the first seal and the housing component, a second seal comprising a first upwardly facing surface and a second downwardly facing surface, the first surface of the second seal positioned on the second surface of the first seal and, a second spring arranged between the second surface of the second seal and the housing, wherein the first seal and the second seal are axially movable by the actuator along the central axis.


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