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:
Mar. 14, 2023

Filed:

Nov. 08, 2017
Applicant:

Volvo Construction Equipment Ab, Eskilstuna, SE;

Inventors:

Dongwook Kim, Gyeongsangnam-do, KR;

Manseuk Jeon, Gyeongsangnam-do, KR;

Seonggeun Yun, Gyeongsangnam-do, KR;

Youngjin Son, Gyeongsangnam-do, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02F 9/22 (2006.01);
U.S. Cl.
CPC ...
E02F 9/2292 (2013.01); E02F 9/2285 (2013.01); E02F 9/2267 (2013.01); F15B 2211/20576 (2013.01); F15B 2211/3116 (2013.01); F15B 2211/329 (2013.01); F15B 2211/355 (2013.01); F15B 2211/6355 (2013.01);
Abstract

When a first control valve and a second control valve are in non-neutral positions, respectively, a fifth fluid passage and a second fluid passage are closed, thereby generating a first pressure within a fifth portion of the fifth fluid passage and a second pressure within a second portion of the second fluid passage, so that the first pressure is applied to a first valve through a fourth fluid passage to move the first valve to close the third fluid passage and a second pressure is applied to the confluence valve through a first fluid passage to move the confluence valve to a confluence position. When the confluence valve is in the confluence position, the confluence valve directs working fluid from a first working fluid supply to the second control valve.


Find Patent Forward Citations

Kim, Dongwook. (2023). Hydraulic circuit (U.S. Patent No. 11603645). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11603645

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

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