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Patent Searching and Data


Title:
PRESSURE FLUID FEEDER
Document Type and Number:
Japanese Patent JPS61233300
Kind Code:
A
Abstract:
PURPOSE:To lessen a pressure drop of the captioned feeder by providing a dropped-pressure-recovery means which detects that the fluid pressure becomes lower than the preset drop-index-pressure and which instantaneously closes a pressure regulating valve by means of a constant pressure regulating means in order to increase the pressure of the supplying fluid. CONSTITUTION:When the pressure fluid is consumed and when the pressure within a header 5 drops sharply, it is detected by a pressure transmitter (PT) 7 and is output as a detection signal at both an indicating controller (PIC) 16 and a PS 17. When the PS 17 detects that the pressure within the header 5 becomes lower than a preset drop-index-pressure P2, it turns two switches 19 and 20 ON. As a result, a pressure regulating valve (PCV) 8 is forcibly operated by the regulating air, which is introduced through a excitation release of a solenoid valve (SV) 21, to be closed instantaneously. Like this, the pressure can be raised quickly by eliminating a time-loss through early suspension of a pressure drop, according to the degree of the drop.

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Inventors:
YORO TAMIO
NAKAMURA TAKEO
NAGANO CHIKATAKA
Application Number:
JP7121485A
Publication Date:
October 17, 1986
Filing Date:
April 05, 1985
Export Citation:
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Assignee:
SEKIYU SHIGEN KAIHATSU KK
ISHIKAWAJIMA HARIMA HEAVY IND CO LTD
International Classes:
F17D1/075; F04B49/00; F04B49/06; F04B49/08; F17D1/04; (IPC1-7): F04B49/06; F04B49/08; F17D1/04