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:
Jul. 09, 2019
Filed:
Dec. 01, 2016
Applicant:
Parker Hannifin Corporation, Cleveland, OH (US);
Inventors:
Bruce Besch, Andover, MN (US);
Kevin Koenigs, Prairie View, IL (US);
Assignee:
Parker-Hannifin Corporation, Cleveland, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F15B 15/18 (2006.01); F15B 1/26 (2006.01); F15B 15/28 (2006.01); F15B 19/00 (2006.01);
U.S. Cl.
CPC ...
F15B 1/265 (2013.01); F15B 15/18 (2013.01); F15B 15/2807 (2013.01); F15B 19/005 (2013.01); F15B 2211/20515 (2013.01); F15B 2211/20561 (2013.01); F15B 2211/6336 (2013.01);
Abstract
An electrohydraulic actuator includes a reservoir tank having a bladder that separates hydraulic fluid from any air in the reservoir tank and includes a sensor system that detects when the hydraulic fluid is depleted from the reservoir tank.