Patents by Inventor Pietro Rizzetto
Pietro Rizzetto has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9309617Abstract: The invention relates to a home appliance, in particular washing and/or drying machine (1), comprising a detergent feeding device (2) having at least one detergent storing compartment (4) for storing a detergent, the at least one detergent compartment (4) comprising: an outlet (12) for a detergent and water mixture, and a pivoted partition element (14) arranged in the detergent compartment (4), wherein in a first position the partition element (14) separates a partial compartment (34) in the detergent compartment (4) from the outlet (12) for storing an amount of liquid detergent in the partial compartment, and wherein in a second position the partition element (14) provides passage from the partial compartment to the outlet (12).Type: GrantFiled: August 10, 2010Date of Patent: April 12, 2016Assignee: Electrolux Home Products Corporation N.V.Inventors: Danny Buso, Pietro Rizzetto
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Patent number: 8991220Abstract: A washing machine (1) has a washing tub (5) containing a rotary perforated drum (6), and a washing/rinsing-liquid dispenser (8), fluidly connectable to a water source. The liquid dispenser includes a housing (9) and a drawer (10), removably associated to the housing (9), provided with one or more compartments (11a, 11b) adapted to be filled with washing and/or rinsing products. A water line (13) fluidly connects the washing/rinsing-liquid dispenser (8) and the tub (5). The water line (13) has one or more single-piece elements (13, 13a. 13b) including a first conduit (25), fluidly connecting the one or more compartments (11a, 11b) and the tub (5), and a second conduit (27), fluidly separated from the first conduit (25), fluidly connectable, upstream, with the water source, and fluidly connected, downstream, with the tub (5)). The first and second conduits (25, 27) are provided in a single-piece construction.Type: GrantFiled: April 8, 2010Date of Patent: March 31, 2015Assignee: Electrolux Home Products Corporation N.V.Inventors: Danny Buso, Pietro Rizzetto
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Publication number: 20120204606Abstract: The invention relates to a home appliance, in particular washing and/or drying machine (1), comprising a detergent feeding device (2) having at least one detergent storing compartment (4) for storing a detergent, the at least one detergent compartment (4) comprising: an outlet (12) for a detergent and water mixture, and a pivoted partition element (14) arranged in the detergent compartment (4), wherein in a first position the partition element (14) separates a partial compartment (34) in the detergent compartment (4) from the outlet (12) for storing an amount of liquid detergent in the partial compartment, and wherein in a second position the partition element (14) provides passage from the partial compartment to the outlet (12).Type: ApplicationFiled: August 10, 2010Publication date: August 16, 2012Applicant: ELECTROLUX HOME PRODUCTS CORPORATION N.V.Inventors: Danny Buso, Pietro Rizzetto
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Publication number: 20120067089Abstract: A washing machine (1) has a washing tub (5) containing a rotary perforated drum (6), and a washing/rinsing-liquid dispenser (8), fluidly connectable to a water source. The liquid dispenser includes a housing (9) and a drawer (10), removably associated to the housing (9), provided with one or more compartments (11a, 11b) adapted to be filled with washing and/or rinsing products. A water line (13) fluidly connects the washing/rinsing-liquid dispenser (8) and the tub (5). The water line (13) has one or more single-piece elements (13, 13a. 13b) including a first conduit (25), fluidly connecting the one or more compartments (11a, 11b) and the tub (5), and a second conduit (27), fluidly separated from the first conduit (25), fluidly connectable, upstream, with the water source, and fluidly connected, downstream, with the tub (5). The first and second conduits (25, 27) are provided in a single-piece construction.Type: ApplicationFiled: April 8, 2010Publication date: March 22, 2012Applicant: ELECTROLUX HOME PRODUCTS CORPORATION N.V.Inventors: Danny Buso, Pietro Rizzetto
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Publication number: 20120060568Abstract: A washing machine (1) has a washing tub (5) containing a rotary perforated drum (6), and a washing/rinsing-liquid dispenser (8) including a housing (9) and a drawer (10), removably associated to the housing (9), provided with one or more compartments (11a, 11b) adapted to be filled with washing and/or rinsing products. The washing/rinsing-liquid dispenser has a water distributor (14) provided with at last two inlet connectors (15a, 15b), connectable, upstream, to a water source, and fluidly connected, downstream, to an air-gap (16) from which at least two ducts (17a, 17b) branch off. The at least two ducts are fluidly connected to the inlet connectors (15a, 15b) and adapted for conveying water to the compartments (11a, 11b). A water line (13), fluidly connects the washing/rinsing-liquid dispenser (8) and the tub (5). The washing/rinsing-liquid dispenser (8) has a by-pass line (20), fluidly connected, upstream, to at least one of the inlet connectors, and extending substantially from the air-gap (16).Type: ApplicationFiled: April 8, 2010Publication date: March 15, 2012Applicant: ELECTROLUX HOME PRODUCTS CORPORATION N.V.Inventors: Danny Buso, Pietro Rizzetto
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Patent number: 7650765Abstract: Clothes washing machine comprising: a common water-distribution manifold (2), a plurality of electromagnetic (3B, 4B, 5B) valves provided downstream of said water-distribution manifold and connected on a respective inlet side thereof to said common water-distribution manifold, a plurality of outlet conduits (3, 4, 5) provided at the delivery orifices of said electromagnetic valves, a respective plurality of chambers (3A, 4A, 5A) supplied via a respective one of said outlet conduits (6), in which a cold-water inlet conduit (7) directly connects the low-temperature water delivery system to said water-distribution manifold, a hot-water inlet conduit (7) connects the high-temperature water delivery system to a pre-determined one of said outlet conduits downstream of the respective electromagnetic valve, and a further electromagnetic valve (7B) is provided in said hot-water inlet conduit.Type: GrantFiled: April 28, 2004Date of Patent: January 26, 2010Assignee: Electrolux Home Products Corporation N.V.Inventor: Pietro Rizzetto
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Patent number: 7587916Abstract: Clothes washing machine comprising: a common water-distribution manifold, a plurality of electromagnetic valves provided downstream of said water-distribution manifold and connected on respective outlet conduits, a plurality of chambers supplied via a respective one of said outlet conduits, a further chamber supplied with a water flow generated by the intersection of said outlet conduits, wherein a nozzle lodged in a bellows is supplied with a water flow in a fifth conduit having a respective air-gap and starting upstream of said intersection; the initial portions of said outlet conduits and of the fifth conduit, upstream the air-gaps, are a single enbloc body, which is connected to the assembly of the water flat conveyors and of said fifth conduit downstream the air-gaps.Type: GrantFiled: April 14, 2005Date of Patent: September 15, 2009Assignee: Electrolux Home Products Corporation N.V.Inventor: Pietro Rizzetto
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Publication number: 20090095031Abstract: The present invention refers to a washing machine, such as a laundry washing machine or a dishwashing machine provided with an improved washing agent dispenser unit (1).Type: ApplicationFiled: February 19, 2007Publication date: April 16, 2009Applicant: Electrolux Home Products Corporation N.V.Inventors: Daniele Favaro, Pietro Rizzetto, Dario Muzzolini, Giancarlo Arrigoni
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Patent number: 7398661Abstract: Clothes washing machine comprising: a common water-distribution manifold, a plurality of electromagnetic valves provided downstream of said water-distribution manifold and connected on respective outlet conduits, a plurality of chambers supplied via a respective one of said outlet conduits, a further chamber supplied with a water flow generated by the intersection of said outlet conduits, wherein a nozzle lodged in a bellows is supplied with a water flow a fully separated fifth conduit having a respective air-gap and starting from one of said valves; the initial portions of said outlet conduits, upstream the air-gaps, are a single en bloc body, which is realized in a single item together with the assembly of the water flat conveyors downstream the air-gaps.Type: GrantFiled: April 14, 2005Date of Patent: July 15, 2008Assignee: Electrolux Home Products Corporation N.V.Inventor: Pietro Rizzetto
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Publication number: 20070220927Abstract: Clothes washing machine comprising: a common water-distribution manifold (2), a plurality of electromagnetic (3B, 4B, 5B) valves provided downstream of said water-distribution manifold and connected on a respective inlet side thereof to said common water-distribution manifold, a plurality of outlet conduits (3, 4, 5) provided at the delivery orifices of said electromagnetic valves, a respective plurality of chambers (3A, 4A, 5A) supplied via a respective one of said outlet conduits (6), in which a cold-water inlet conduit (7) directly connects the low-temperature water delivery system to said water-distribution manifold, a hot-water inlet conduit (7) connects the high-temperature water delivery system to a pre-determined one of said outlet conduits downstream of the respective electromagnetic valve, and a further electromagnetic valve (7B) is provided in said hot-water inlet conduit.Type: ApplicationFiled: April 28, 2004Publication date: September 27, 2007Applicant: Electrolux Home Products Corporation N.V.Inventor: Pietro Rizzetto
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Publication number: 20060081015Abstract: Front-loading clothes washing or drying machine comprising an outer casing, a worktop delimiting said outer casing at the top, a facia or control panel arranged on the upper front portion of said outer casing, in which said worktop and said control panel delimitate each other along respective edges that define a juncture, under which there are arranged gutter-like means having an upward open convexity facing said juncture extending thereabove, said gutter-like means extending in turn substantially over the whole length of said juncture. Said gutter-like means are provided as a unitary piece, i.e. integral with said worktop or, alternatively, as a unitary piece, i.e. integral with said control panel, or they may be provided by suitably forming an internal upper front crosspiece of the machine into a corresponding shape.Type: ApplicationFiled: September 13, 2005Publication date: April 20, 2006Applicant: Electrolux Home Products Corporation N.V.Inventors: Pietro Rizzetto, Giovanni Colombera, Remo Cassan
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Publication number: 20050262881Abstract: Clothes washing machine comprising: a common water-distribution manifold, a plurality of electromagnetic valves provided downstream of said water-distribution manifold and connected on respective outlet conduits, a plurality of chambers supplied via a respective one of said outlet conduits, a further chamber supplied with a water flow generated by the intersection of said outlet conduits, wherein a nozzle lodged in a bellows is supplied with a water flow a fully separated fifth conduit having a respective air-gap and starting from one of said valves; the initial portions of said outlet conduits, upstream the air-gaps, are a single en bloc body, which is realised in a single item together with the assembly of the water flat conveyors downstream the air-gaps.Type: ApplicationFiled: April 14, 2005Publication date: December 1, 2005Applicant: Electrolux Home Products Corporation N.V.Inventor: Pietro Rizzetto
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Publication number: 20050252251Abstract: Clothes washing machine comprising: a common water-distribution manifold, a plurality of electromagnetic valves provided downstream of said water-distribution manifold and connected on respective outlet conduits, a plurality of chambers supplied via a respective one of said outlet conduits, a further chamber supplied with a water flow generated by the intersection of said outlet conduits, wherein a nozzle lodged in a bellows is supplied with a water flow in a fifth conduit having a respective air-gap and starting upstream of said intersection; the initial portions of said outlet conduits and of the fifth conduit, upstream the air-gaps, are a single enbloc body, which is connected to the assembly of the water flat conveyors and of said fifth conduit downstream the air-gaps.Type: ApplicationFiled: April 14, 2005Publication date: November 17, 2005Applicant: Electrolux Home Products Corporation N.V.Inventor: Pietro Rizzetto
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Patent number: 5226301Abstract: A dispenser for washing machines, in particular clothes washing machines or combined clothes washing and drying machines. The dispenser includes first and second rigid conduits (12, 13) extending orthogonally with respect to each other. The first is connected with a sealed enclosure (8) containing the liquid detergents and/or rinse aids. The second is connected with a quick-fitting coupler (25) that is adapted to be connected and disconnected with respect to a further rigid conduit (28) communicating with the wash tub of the washing machine through a positive-displacement pump. The second rigid conduit (13) is associated with a check valve (32) that is biased by a spring (42) to move from a first to a second position, whereby a communication is therefore established or discontinued between the enclosure (8) and its outer space when the second rigid conduit (13) is engaged and disengaged, respectively, with respect to said quick-fitting coupling means (25).Type: GrantFiled: January 24, 1992Date of Patent: July 13, 1993Assignee: Zanussi Elettrodomestici S.p.A.Inventors: Pietro Rizzetto, Giuseppe Cargnel
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Patent number: 4960139Abstract: A water distributing device for a household washing machine has a cold water and hot water supply system. A water distributing element is provided to supply hot and cold water together, or cold water only, to a chemical additive dispenser for the purpose of flushing various chemical additives from the dispenser into the tub of the washing machine during a washing cycle. The water distributing element is designed to have separate flow channels therein for cold and hot water while being able to supply both the cold and hot water to the same water distributing pipe leading to the chemical additive dispenser.Type: GrantFiled: September 27, 1989Date of Patent: October 2, 1990Assignee: Industrie Zanussi SpAInventor: Pietro Rizzetto