SOLENOID PILOT VALVE FOR A HYDRAULIC VALVE, IN PARTICULAR FOR HOUSEHOLD APPLIANCES

The pilot valve (14) comprises a body (7, 7a) in which there is defined a control chamber (11) which is intended to communicate with the inlet (3) of the hydraulic valve (1) and which, through a restricted outlet passage (12) associated with a valve seat (13), is able to be selectively brought into...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CAPIZZI Giosue, BOSIO Roberto, RAVEDATI Paolo, RENDESI Maurizio, PARIS Fabrizio, DI BENEDETTO Francesco, DA PONT Paolo
Format:	Patent
Sprache:	eng ; slv
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	The pilot valve (14) comprises a body (7, 7a) in which there is defined a control chamber (11) which is intended to communicate with the inlet (3) of the hydraulic valve (1) and which, through a restricted outlet passage (12) associated with a valve seat (13), is able to be selectively brought into communication with the outlet (4) of the hydraulic valve (1); at least one core (23) mounted movably within a portion (7a) of said body (7, 7a) and inside the control chamber (11) and carrying a closing member (24) cooperating with the valve seat (13); and an actuator (16-21) including a solenoid or coil (15) of copper wire, mounted around said portion (7a) of the body (7, 7a), for selectively controlling the position of the core (23) and the closing member (24) with respect to the valve seat (13) and the communication between the control chamber (11) and the restricted outlet passage (12); and wherein the ratio of the diameter (d) of the restricted outlet passage (12) to the weight (m) of the solenoid (16) is between 0.06 and 0.10 mm/g.