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.:
Date of Patent:
Mar. 23, 2021
Filed:
Jul. 10, 2018
Applicant:
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Inventors:
Marcin Cis, Lutynia, PL;
Piotr Sawicki, Bogdaniec, PL;
Assignee:
HAMILTON SUNSTRAND CORPORATION, Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B 13/043 (2006.01); F16F 1/16 (2006.01);
U.S. Cl.
CPC ...
F16F 1/16 (2013.01); F15B 13/0438 (2013.01); F16F 2226/04 (2013.01);
Abstract
A new method of forming a torsion spring for use in a servovalve is described. The method comprises individually forming the different components of the torsion spring and then connecting the individual components together using a brazing process. The torsion spring created by this method is also described.