VALVE CONTROLLER

Title:

VALVE CONTROLLER

Document Type and Number:

Japanese Patent JP3050294

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To provide a valve controller which can suppress pressure fluctuation at the time of valve switching, concn. non-stability and arrival time difference caused by the difference of a gas piping length.
SOLUTION: This valve controller is provided for controlling the open/close of plural valves by respectively sending Valve signals to the valves and has a delay means for delaying the time for the valve signals to be transmitted to the correspondent valves corresponding to the states and install environments of plural valves. This delay means can be composed of softwares (S101-S105) or hardwares as well.

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Inventors:

Koichi Hasegawa

Application Number:

JP20342497A

Publication Date:

June 12, 2000

Filing Date:

July 29, 1997

Export Citation:

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Assignee:

NEC

International Classes:

C30B25/14; G05D11/02; (IPC1-7): G05D11/02; C30B25/14

Domestic Patent References:

JP5495878A
JP6265104A

Attorney, Agent or Firm:

Yosuke Goto (1 person outside)

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