Device for detecting the liquid level in the washing bath of a washing machine

The device (1) comprises a body (2) in which are formed a first and second chamber (14, 15) separated sealingly from each other by a resilient diaphragm (6). The first chamber (14) has an inlet opening (2c) intended to be put in pneumatic communication with the region of a container which is above t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MAROZZO MARCO, FARANO MICHELE
Format:	Patent
Sprache:	eng
Schlagworte:	COFFEE MILLS DOMESTIC ARTICLES OR APPLIANCES DOMESTIC WASHING OR CLEANING FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR FURNITURE HUMAN NECESSITIES LAUNDERING LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILEARTICLES MEASURING MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL METERING BY VOLUME PHYSICS SPICE MILLS SUCTION CLEANERS IN GENERAL TESTING TEXTILES TREATMENT OF TEXTILES OR THE LIKE
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Beschreibung
Zusammenfassung:	The device (1) comprises a body (2) in which are formed a first and second chamber (14, 15) separated sealingly from each other by a resilient diaphragm (6). The first chamber (14) has an inlet opening (2c) intended to be put in pneumatic communication with the region of a container which is above the liquid; the second chamber (15) communicates with the atmosphere. A winding (8) is mounted in a fixed position in the body (2), on the side opposite the first chamber (14) with respect to the diaphragm (6). A core (11) is coupled to the diaphragm (6) and is movable with respect to the winding (8) such that in operation the inductance of the winding (8) varies as a function of the position of the core. The device also comprises a first spring (12) tending to move the core (11) towards the diaphragm (6), and a second spring (16) tending to oppose the action of the first spring (12). The second spring (16) is positioned in the second chamber (15).