ELECTRIC CURRENT REGULATING DEVICE OF PROPORTIONAL VALVE

PURPOSE:To make the regulation work easy and exact by detecting the switch input by a microcomputer of a controller and maintaining for a certain time the electric current output of a proportional valve at maximum or at minimum. CONSTITUTION:The large regulation switch SW1 of a thermal conversion, t...

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Bibliographische Detailangaben
Hauptverfasser:	TATSUMURA TOSHIYA, KAWAMI ISAO
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION APPARATUS COMBUSTION PROCESSES HEATING LIGHTING MECHANICAL ENGINEERING REGULATING OR CONTROLLING COMBUSTION WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To make the regulation work easy and exact by detecting the switch input by a microcomputer of a controller and maintaining for a certain time the electric current output of a proportional valve at maximum or at minimum. CONSTITUTION:The large regulation switch SW1 of a thermal conversion, the small regulation switch SW2 of the thermal conversion, a maximum gas pressure regulating volume VR1 of a proportional valve, and a minimum gas pressure regulating volume VR2 of the proportional valve are provided, and for the switch SW1 and switch SW2 a switch of push type without locking is used. When those switches SW1 and SW2 are once turned ON, the electric current output of the proportional valve is held at maximum or at minimum for a certain time by a microcomputer provided in a controller 1. With this arrangement there is no complexity in the regulation work and its workability is improved.