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:
Jan. 01, 2019
Filed:
Nov. 07, 2014
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Koji Iwasaki, Tokyo, JP;
MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo, JP;
Abstract
A pressure system of a suspension device for an amphibious vehicle includes: a pump configured to discharge a working fluid; a first control valve disposed in a first flow path extending between the pump and a first hydraulic chamber, the first control valve being configured to control supply of the working fluid from the pump to the first hydraulic chamber; a pilot check valve disposed in a portion of the first flow path which extends between the first hydraulic chamber and the first control valve, the pilot check valve being configured to open and close the first flow path in accordance with a pilot pressure; and a second control valve disposed in a pilot flow path extending between the pump and the pilot check valve, the second control valve being configured to control supply of the pilot pressure to the pilot check valve.