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:
Apr. 19, 2022
Filed:
Aug. 07, 2019
Applicant:
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Inventors:
Maciej Bujewicz, Wroclaw, PL;
Maciej Zak, Wroclaw, PL;
Assignee:
HAMILTON SUNDSTRAND CORPORATION, Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B 13/04 (2006.01); F15B 5/00 (2006.01);
U.S. Cl.
CPC ...
F15B 13/0401 (2013.01); F15B 5/003 (2013.01); F15B 2211/41536 (2013.01); Y10T 137/86598 (2015.04);
Abstract
A single stage flapper type servovalve comprises a valve housing comprising a bore, a pair of opposed nozzles arranged in the bore and a flapper element arranged between the pair of nozzles. The valve housing further comprises a plurality of fluid ports for communicating a working fluid to and from the nozzles and in fluid communication with the housing bore. The valve housing and the nozzles are both made from a stainless steel material.