Self-cleaning valves for use in vacuum cleaners and other self-cleaning valves

A self-cleaning valve assembly is provided, such as for use in a vacuum cleaner such as a particularly advantageous vacuum cleaner system that has at least two filters and self-cleans its filters via back-flushing, without needing to stop normal operation to self-clean. Also, a vacuum cleaner is pro...

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Bibliographische Detailangaben
Hauptverfasser:	CASTRONOVO CHARLES A, PERONI DREW B
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS COFFEE MILLS DEVICES FOR VENTING OR AERATING DOMESTIC ARTICLES OR APPLIANCES DOMESTIC WASHING OR CLEANING ENGINEERING ELEMENTS AND UNITS FURNITURE GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HUMAN NECESSITIES LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION SPICE MILLS SUCTION CLEANERS IN GENERAL TAPS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL TRANSPORTING VALVES WEAPONS
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Beschreibung
Zusammenfassung:	A self-cleaning valve assembly is provided, such as for use in a vacuum cleaner such as a particularly advantageous vacuum cleaner system that has at least two filters and self-cleans its filters via back-flushing, without needing to stop normal operation to self-clean. Also, a vacuum cleaner is provided that uses permanent, self-cleaning filters, and does not need disposable filters or filter bags, and advantageously can use inexpensive plastic bags. In another vacuum cleaner system, waste is collected in an ordinary plastic bag without any special preparation or modification of the bag being needed. Further, an inventive self-cleaning X-valve assembly cleans itself and is useable in the vacuum cleaner system.