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Patent Searching and Data


Title:
ELECTROPNEUMATIC POSITIONER
Document Type and Number:
Japanese Patent JP3172961
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To easily perform maintenance of an electropneumatic converter.
SOLUTION: An opening part 16-2 is formed on a wall surface of an explosion-proof case 16, and an electropneumatic converter 3 is fixed to the inside of an explosion proof cover 16-3 to block up this opening 16-2. The explosion-proof cover 16-3 is removably installed on the wall surface of the explosion-proof case 16 by a machine screw 22, and a flowing passage (an air passage) La is formed inside of it. Pipe parts 16-3a and 16-3b are extendedly formed inside the explosion-proof cover 16-3, and these pipe parts 16-3a and 16-3b are inserted into flowing passages L1 and L2 of the explosion-proof case 16. At maintenance time of the electropneumatic converter 3, the electropneumatic converter 3 is pulled out of the explosion-proof case 16 together with the explosion-proof cover 16-3.


Inventors:
Honda, Yoshiro
Application Number:
JP1996000046000
Publication Date:
June 04, 2001
Filing Date:
March 04, 1996
Export Citation:
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Assignee:
YAMATAKE HONEYWELL CO LTD
International Classes:
F15B5/00; F15B9/07; (IPC1-7): F15B5/00; F15B9/07
Attorney, Agent or Firm:
山川 政樹