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. 08, 2020

Filed:

Feb. 27, 2019
Applicant:

Hamilton Sundstrand Corporation, Charlotte, NC (US);

Inventors:

Maciej Zak, Wroclaw, PL;

Marek Jedliński, Wroclaw, PL;

Assignee:

HAMILTON SUNSTRAND CORPORATION, Charlotte, NC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 26/00 (2006.01); F16K 31/06 (2006.01); F16K 31/124 (2006.01); F15B 13/043 (2006.01);
U.S. Cl.
CPC ...
F16K 31/124 (2013.01); F15B 13/0438 (2013.01); F16K 31/0627 (2013.01); H02K 26/00 (2013.01); Y10T 137/87209 (2015.04);
Abstract

A torsion bridge for use in a servovalve includes a body extending along and adapted to rotate about a first axis; a passage extending through the body along a second axis substantially perpendicular to the first axis, the passage defining a first cylindrical surface having a radius R; an annular groove formed in the first cylindrical surface. The annular groove includes: a second cylindrical surface extending substantially in the direction of the second axis, the second cylindrical surface having first and second ends and a radius R, where Ris greater than R; a first annular surface joining the first cylindrical surface to the first end of the second cylindrical surface; and a second annular surface joining the second end of the second cylindrical surface to the first cylindrical surface.


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