US 11,913,347 B2
Valve device and valve lid
Takuya Katayama, Hiroshima (JP)
Assigned to MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION, Tokyo (JP)
Filed by MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION, Tokyo (JP)
Filed on Feb. 22, 2023, as Appl. No. 18/172,528.
Claims priority of application No. 2022-027482 (JP), filed on Feb. 25, 2022.
Prior Publication US 2023/0272722 A1, Aug. 31, 2023
Int. Cl. F01D 25/00 (2006.01); F01D 17/12 (2006.01)
CPC F01D 25/002 (2013.01) [F01D 17/12 (2013.01); F05D 2220/31 (2013.01); F05D 2230/72 (2013.01); F05D 2260/60 (2013.01); F05D 2260/95 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A valve device comprising:
a valve box in which an inlet flow passage into which steam flows and an outlet flow passage through which the steam flows are formed, and in which a valve chamber that connects the inlet flow passage and the outlet flow passage is formed; and
a plurality of valve bodies configured to regulate a flow rate of the steam flowing through the outlet flow passage by relative movement to the outlet flow passage,
wherein the valve box includes
a valve box main body in which the inlet flow passage, the outlet flow passage, and an opening portion are formed,
a lid portion that is attachable to and detachable from the valve box main body and is configured to close the opening portion, and
a cleaning nozzle that is disposed to penetrate through the lid portion and is configured to supply a cleaning liquid into the valve chamber from an outside.