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.

Date of Patent:
Dec. 26, 2017

Filed:

May. 23, 2016
Applicant:

United Technologies Corporation, Farmington, CT (US);

Inventors:

Robert Goodman, West Hartford, CT (US);

Zhijun Zheng, Avon, CT (US);

Michael D. Greenberg, Bloomfield, CT (US);

Assignee:

United Technologies Corporation, Farmington, CT (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 1/12 (2006.01); B64D 15/04 (2006.01); F16K 31/06 (2006.01); F16K 17/02 (2006.01); F02C 7/047 (2006.01); F01D 25/24 (2006.01); B64D 33/02 (2006.01);
U.S. Cl.
CPC ...
B64D 15/04 (2013.01); B64D 33/02 (2013.01); F01D 25/24 (2013.01); F02C 7/047 (2013.01); F16K 17/02 (2013.01); F16K 31/06 (2013.01); B64D 2033/0233 (2013.01); F05D 2220/323 (2013.01);
Abstract

An assembly includes a first enclosed flexible pressure chamber. A first extension arm extends from a first endwall of the first enclosed flexible pressure chamber. A second enclosed flexible pressure chamber includes a second extension arm extending from a second endwall of the second enclosed flexible pressure chamber. A lever arm is disposed on a pivot. A first end of the lever arm is attached to the first extension arm and a second end of the lever arm is attached to the second extension arm. A variable restriction element is connected to the second end of the lever arm.


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