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:
Mar. 07, 2023
Filed:
Jan. 20, 2021
Mitsubishi Heavy Industries Compressor Corporation, Tokyo, JP;
Kenichi Nishiyama, Hiroshima, JP;
Abstract
A valve drive device includes a hydraulic cylinder that is configured to drive a regulating valve, an actuator that is configured to supply hydraulic oil to the hydraulic cylinder, and a connection pipe through which the hydraulic cylinder with the actuator communicate with each other and the hydraulic oil flows. The hydraulic cylinder includes a cylinder body to which the hydraulic oil is supplied, a piston movable in a central axis direction of the cylinder body by the hydraulic oil supplied to the cylinder body, and a cylinder base on which the cylinder body is placed in a state where the central axis direction is coincident with a vertical direction. The cylinder base has hydraulic oil flow path portion connected to the connection pipe and through which the hydraulic oil flows.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile