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.

Date of Patent:
Dec. 02, 2014

Filed:

Feb. 16, 2011
Applicants:

Justin J. Turnis, Manchester, IA (US);

John R Mahrenholz, Peosta, IA (US);

Inventors:

Justin J. Turnis, Manchester, IA (US);

John R Mahrenholz, Peosta, IA (US);

Assignee:

Deere & Company, Moline, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 31/02 (2006.01); F15B 21/04 (2006.01); E02F 9/22 (2006.01);
U.S. Cl.
CPC ...
E02F 9/2246 (2013.01); F15B 21/045 (2013.01); E02F 9/2267 (2013.01); E02F 9/226 (2013.01);
Abstract

Parasitic hydraulic loading on an engine is significantly reduced during cold starts by using an unloader valve to divert the flow of hydraulic fluid from a hydraulic pump to a hydraulic actuator, i.e., load source, recirculating the hydraulic fluid between the hydraulic pump and the unloader valve.


Find Patent Forward Citations

Turnis, Justin. (2014). Cold start valve (U.S. Patent No. 8899031). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8899031

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…