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:
Oct. 28, 2025
Filed:
Mar. 20, 2024
Ls Mtron Ltd., Anyang-si, KR;
LS MTRON LTD., Anyang-si, KR;
Abstract
Disclosed herein is a hydraulic acoustic attenuator for an agricultural tractor. The hydraulic acoustic attenuator includes: a first cylinder provided in a hydraulic line, and configured to provide a passage through which oil passes; a second cylinder configured to accommodate the first cylinder and to form a resonance chamber between the first cylinder and itself; and coupling members configured to couple both ends of the first cylinder and both ends of second cylinders to one another, respectively. The first cylinder has one or more communication holes that allow the passage and the resonance chamber to communicate with each other. The diameter of the communication holes has a range larger than 0.0 mm and equal to or smaller than 1.5 mm.