Ls Mtron Ltd.

Hanjoon Cho

Junguk Lee

Jaiyoon Shin

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.

Growing community of inventors

Anyang-si, South Korea

Hanjoon Cho