Title:
PRESSURE REGULATING VALVE
Document Type and Number:
Japanese Patent JP3521086
Kind Code:
B2
Abstract:
PURPOSE: To prevent the formation of a solid film on a passage wall surface and reduce the burden for cleaning by heating a valve body and a valve box to the coagulating temperature or more of a coagulating component in an exhaust gas by a heater.
CONSTITUTION: A disk valve body 9 is rotatably provided on a cylindrical hollow part 1 formed in a valve box 2, and a valve heater is embedded in the valve body 9. A valve box heater 31 is also provided on the outside of the valve box 2, and heating control is conducted so that the coagulating component contained in a flowing gas is never coagulated even if it makes contact with the valve body 9 and the valve box 2.
Inventors:
Tomezuka, Koji
Furuichi, Masayoshi
Furuichi, Masayoshi
Application Number:
JP24034891A
Publication Date:
April 19, 2004
Filing Date:
August 27, 1991
Export Citation:
Assignee:
KOKUSAI ELECTRIC CO LTD
International Classes:
F16K49/00; H01L21/205; (IPC1-7): F16K49/00; H01L21/205
Attorney, Agent or Firm:
三好 祥二
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