Title:
VALVE
Document Type and Number:
WIPO Patent Application WO/2023/182472
Kind Code:
A1
Abstract:
Provided is a valve capable of efficiently keeping fluid cold and warm, or heating the fluid, as well as improving maintainability. This valve (10) comprises: a jacket part (30) that covers a valve body (11); a cylinder part (20) that is connected to the valve body (11) at one end, and is open at the other end; a valve stem (60) that rotates a valve member (12); a bonnet (65) that holds the valve stem (60), and is detachably attached to the valve body (11); and a lid body (40) that is formed integrally with the bonnet (65), and detachable from and attachable to the other end of the cylinder part (20). The jacket part (30) has a cylinder-side cover part (32) that covers the outside of the cylinder part (20), and the lid body (40) has a protruding part (42) capable of being fitted inside the cylinder part (20). The protruding part (42) has an inner pipe (45) through which the valve stem (60) can pass, and also has a hollow compartment (43) disposed around the inner pipe (45). The inside of the compartment (43) can be decompressed. Moreover, the compartment (43) allows a heat medium to be introduced into the inside thereof.
Inventors:
YAMAMOTO KENJI (JP)
MARUO NAOTO (JP)
MARUO NAOTO (JP)
Application Number:
PCT/JP2023/011696
Publication Date:
September 28, 2023
Filing Date:
March 24, 2023
Export Citation:
Assignee:
NAKAKITA SEISAKUSHO (JP)
International Classes:
F16K27/12; F16K49/00; F16L59/16
Domestic Patent References:
| WO2021172457A1 | 2021-09-02 |
Foreign References:
| JPS5937382A | 1984-02-29 |
Attorney, Agent or Firm:
SAKIYAMA, Hironori (JP)
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