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:
Jan. 14, 2025
Filed:
Jun. 12, 2020
Applicant:
Deere & Company, Moline, IL (US);
Inventors:
Jeffrey L. Lubben, Hudson, IA (US);
Dwayne A. Nystrom, Waterloo, IA (US);
Thomas Butts, Jesup, IA (US);
Assignee:
Deere & Company, Moline, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F04B 49/00 (2006.01); F04B 17/05 (2006.01); F04B 23/04 (2006.01); F04B 49/02 (2006.01); F04B 49/20 (2006.01);
U.S. Cl.
CPC ...
F04B 49/002 (2013.01); F04B 17/05 (2013.01); F04B 23/04 (2013.01); F04B 49/02 (2013.01); F04B 49/20 (2013.01); F04B 2205/06 (2013.01); F04B 2205/16 (2013.01); F04B 2207/041 (2013.01);
Abstract
Systems and methods are provided for a demand-based hydraulic system. A clutch is positioned between a hydraulic pump and an engine. The clutch is selectively engaged to power the hydraulic pump based on a level of demand for hydraulic power. A control system is also provided to control the clutch and/or the pump in accordance with a plurality of operating mode.