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:
Jun. 10, 2025
Filed:
May. 17, 2024
Ls Mtron Ltd.;
LS MTRON LTD., Anyang-si, KR;
Abstract
Disclosed herein is a hydraulic circuit for an agricultural tractor. The hydraulic circuit includes: a hydraulic pump configured to supply hydraulic oil; a horizontal control cylinder configured to control the horizontality of a working machine for a work target surface by using a flow output from the hydraulic pump; a horizontal control valve disposed between the hydraulic pump and the horizontal control cylinder, and configured to control the operation of the horizontal control cylinder; a lifting control valve configured to control the operation of a lifting control cylinder that controls the height of the working machine for the work target surface; a lifting connection valve disposed between the hydraulic pump and the lifting control valve, and configured to selectively connect and block a flow path between the hydraulic pump and the lifting control valve; and a basic hydraulic line forming flow paths.