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. 19, 2020
Applicant:
Deere & Company, Moline, IL (US);
Inventors:
Aaron R. Kenkel, East Dubuque, IL (US);
Grant R. Henn, Dubuque, IA (US);
Scott R. Stahle, Dubuque, IA (US);
Brian K. Kellogg, Bellevue, IA (US);
Assignee:
DEERE & COMPANY, Moline, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02F 9/22 (2006.01); F15B 1/02 (2006.01); F15B 21/0427 (2019.01); F15B 21/00 (2006.01);
U.S. Cl.
CPC ...
E02F 9/2207 (2013.01); F15B 1/021 (2013.01); F15B 21/008 (2013.01); F15B 21/0427 (2019.01); F15B 2211/212 (2013.01);
Abstract
In accordance with an example embodiment, a hydraulic system may include a pump, reservoir, accumulator, hydraulic cylinder, ride control valve assembly, and controller. The ride control valve assembly may include a charging valve, discharging valve, and a head ride control valve. The controller may open the head ride control valve when a ride control feature has been activated, or open the charging valve if the ride control feature has not been activated and a hydraulic fluid warmup is to be performed.