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:
Aug. 17, 2021
Filed:
Aug. 09, 2018
Applicant:
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Inventors:
Piotr Sawicki, Bogdaniec, PL;
Piotr KozŁowski, Mielec, PL;
Assignee:
HAMILTON SUNDSTRAND CORPORATION, Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 21/02 (2006.01); F16K 27/12 (2006.01); F16K 24/02 (2006.01); F16K 17/32 (2006.01); F15B 21/044 (2019.01); F16K 24/04 (2006.01); F16K 31/06 (2006.01);
U.S. Cl.
CPC ...
F16K 27/12 (2013.01); F16K 17/32 (2013.01); F16K 21/02 (2013.01); F16K 24/02 (2013.01); F16K 31/06 (2013.01); F15B 21/044 (2013.01); F16K 24/04 (2013.01);
Abstract
A hydraulic valve is disclosed comprising a venting passage for allowing fluidic communication between an interior and an exterior of the hydraulic valve, the venting passage having a first portion following a first path extending in a first plane, and a second portion following a second path extending in a second plane, wherein the first plane is at an angle to the second plane, and wherein the first and/or second path is a labyrinth path in its respective plane.