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:
Jul. 20, 2021
Filed:
Feb. 08, 2019
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Kazuyuki Matsumoto, Tokyo, JP;
MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo, JP;
Abstract
There is provided a rotary machine including a rotary shaft; a plurality of rotor blades extending outward from the rotary shaft in a radial direction of the rotary shaft, and are provided with gaps therebetween in a peripheral direction of the rotary shaft; a casing surrounding the rotor blades radially outside the rotor blades, and in which a recessed portion as a cavity accommodates tips of the rotor blades; a sealing portion extending from one of a bottom surface of the recessed portion and the tip of the rotor blade, and having a clearance with the other; a jet flow passage through which a fluid is jetted rearward in a rotation direction of the rotary shaft in the cavity; and a valve which is capable of switching a flow condition of the jet flow with turning the valve on an opening state and a closing state.