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. 18, 2015
Filed:
Jun. 01, 2009
Applicants:
Carl D. Gilmore, South Milwaukee, WI (US);
Robert Weber, Wadsworth, IL (US);
Perry Decuir, Rochester Hills, MI (US);
Inventors:
Carl D. Gilmore, South Milwaukee, WI (US);
Robert Weber, Wadsworth, IL (US);
Perry DeCuir, Rochester Hills, MI (US);
Assignee:
Caterpillar Global Mining LLC, Oak Creek, WI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F17D 1/00 (2006.01); F15B 1/26 (2006.01); E02F 9/00 (2006.01); E02F 9/08 (2006.01); F15B 21/04 (2006.01);
U.S. Cl.
CPC ...
F15B 1/26 (2013.01); E02F 9/00 (2013.01); E02F 9/0883 (2013.01); F15B 21/04 (2013.01); Y10T 137/86212 (2015.04);
Abstract
A sealed hydraulic tank system for a mining shovel () includes an upper tank () and a lower tank (). An air bladder () system is coupled to the upper tank to exchange air between the tank system and the bladder. The tanks include baffles () which filter the hydraulic fluid and which direct fluid flow along an elongated path to allow for de-aeration of the oil in the tank.