Patents by Inventor Lutz Lange
Lutz Lange 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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Publication number: 20240035576Abstract: A valve cartridge includes a top part that is penetrated in the center by a spindle which is rotatably and axially slidably mounted in the top part and which includes an axial through-hole to allow water to flow therethrough; the spindle actuates a valve, by which the flow rate of the water through the through-hole can be controlled.Type: ApplicationFiled: March 18, 2022Publication date: February 1, 2024Applicant: FLÜHS DREHTECHNIK GMBHInventors: Jörg WENDT, Lutz LANGE, Tim-Florian KLAWIN
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Publication number: 20220316610Abstract: A sanitary fitting, more particularly a thermostatic mixing valve, includes a housing, which has a valve seat for receiving a valve and into which at least one feed channel and a discharge channel open, wherein the at least one feed channel is led through a chamber, into which a backflow preventer is inserted and which is closed by a plug. A retaining frame is provided on the plug, which retaining frame protrudes into the chamber and by which retaining frame the backflow preventer is axially fixed.Type: ApplicationFiled: May 5, 2021Publication date: October 6, 2022Applicant: Flühs Drehtechnik GmbHInventor: Lutz LANGE
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Publication number: 20210262578Abstract: A valve top, particularly for sanitary fittings, has a sleeve-like head piece which can be fastened in a valve housing of a fitting, through which head piece a spindle having a handle connection is passed centrally, which spindle is mounted for rotation around the longitudinal axis of same in the head piece and by which spindle a valve body can be actuated. At least one radially projecting extension is formed on the spindle within the head piece which can be rested with a side face against at least one stop arranged in the head piece, as a result of which the maximum angle of rotation of the spindle is restricted. A protrusion is formed on the side of the extension, which protrusion overlaps at least in parts this stop when the extension is resting on a stop of the head piece.Type: ApplicationFiled: June 6, 2019Publication date: August 26, 2021Applicant: Fluehs Drehtechnik GmbHInventor: Lutz LANGE
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Patent number: 10860041Abstract: Thermostatic mixing valve for sanitary fittings, with a top piece, in which a cone is disposed to be axially movable via a rotatably mounted spindle, and a passage sleeve with windows for the supply of hot and cold water, in which a carriage preloaded via a spring and joined to a thermoelement provided with a control piston is axially movable, wherein the supply of hot and cold water through the windows can be regulated in dependence on the movement of the carriage, wherein the cone (5) comprises a bushing (51), which at its underside turned away from the spindle (2) is closed via a bottom and in which a conical piston (53) is disposed to be axially movable and is preloaded via a spring (54) in the direction of the bottom, wherein a coupling duct is disposed in the bottom in axially aligned manner with the conical piston (53) and which at the same time is axially aligned with the control piston (81) of the thermoelement, and into which the conical piston (53) and/or the control piston (81) of the thermoelemenType: GrantFiled: January 24, 2018Date of Patent: December 8, 2020Assignee: Fluehs Drehtechnik GmbHInventor: Lutz Lange
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Patent number: 10746310Abstract: A changeover valve includes a wall connection housing with at least one inlet channel and at least three outlet channels opening into a valve seat for receiving a valve upper part. The valve upper part has a base piece with at least three outlet openings connectable to a respective outlet channel via the valve seat. The valve upper part has at least one feed connected to the at least one inlet channel and connectable to at least one outlet opening via a control disc rotatable relative to a stationary inlet disc. The control disc engages with a spindle for rotating the control disc. The base piece has at least one positioning pin engaging into a positioning bore arranged in the valve seat. The valve seat has at least two positioning bores for engaging with the at least one positioning pin in different assembly positions of the valve upper part.Type: GrantFiled: March 6, 2017Date of Patent: August 18, 2020Assignee: Fluehs Drehtechnik GmbHInventor: Lutz Lange
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Publication number: 20190204858Abstract: Thermostatic mixing valve for sanitary fittings, with a top piece, in which a cone is disposed to be axially movable via a rotatably mounted spindle, and a passage sleeve with windows for the supply of hot and cold water, in which a carriage preloaded via a spring and joined to a thermoelement provided with a control piston is axially movable, wherein the supply of hot and cold water through the windows can be regulated in dependence on the movement of the carriage, wherein the cone (5) comprises a bushing (51), which at its underside turned away from the spindle (2) is closed via a bottom and in which a conical piston (53) is disposed to be axially movable and is preloaded via a spring (54) in the direction of the bottom, wherein a coupling duct is disposed in the bottom in axially aligned manner with the conical piston (53) and which at the same time is axially aligned with the control piston (81) of the thermoelement, and into which the conical piston (53) and/or the control piston (81) of the thermoelemenType: ApplicationFiled: January 24, 2018Publication date: July 4, 2019Applicant: Fluehs Drehtechnik GmbHInventor: Lutz LANGE
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Publication number: 20190017611Abstract: A changeover valve includes a wall connection housing with at least one inlet channel and at least three outlet channels opening into a valve seat for receiving a valve upper part. The valve upper part has a base piece with at least three outlet openings connectable to a respective outlet channel via the valve seat. The valve upper part has at least one feed connected to the at least one inlet channel and connectable to at least one outlet opening via a control disc rotatable relative to a stationary inlet disc. The control disc engages with a spindle for rotating the control disc. The base piece has at least one positioning pin engaging into a positioning bore arranged in the valve seat. The valve seat has at least two positioning bores for engaging with the at least one positioning pin in different assembly positions of the valve upper part.Type: ApplicationFiled: March 6, 2017Publication date: January 17, 2019Applicant: Fluehs Drehtechnik GmbHInventor: Lutz LANGE
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Patent number: 10053842Abstract: A sanitary fitting includes a pipe section which has a valve seat and which receives a valve upper part which bears against the valve seat and which includes a head piece which is traversed centrally by a spindle which is rotatably and/or pivotably mounted in the head piece and via which a control disc can be moved relative to an inlet disc within the head piece, wherein the valve upper part is releasably connected to the pipe section, wherein a device for the defined positioning of the valve upper part within the pipe section in at least two rotary positions offset by an angle of orientation is arranged.Type: GrantFiled: January 26, 2015Date of Patent: August 21, 2018Assignee: Fluehs Drehtechnik GmbHInventor: Lutz Lange
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Patent number: 9931606Abstract: A single-lever mixing cartridge includes a head piece, which accommodates a bottom piece having at least one inflow channel and at least one outlet channel, and a disk control having a control disk that can be displaced via an at least pivotably mounted spindle relative to a passage disk which is arranged in a rotationally fixed manner. At least all inlet channels are provided with at least one lip seal for sealing the bottom piece against the passage disk and/or against a fitting receiving the cartridge.Type: GrantFiled: February 4, 2013Date of Patent: April 3, 2018Assignee: Fluehs Drehtechnik GmbHInventor: Lutz Lange
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Publication number: 20160326731Abstract: A sanitary fitting includes a pipe section which has a valve seat and which receives a valve upper part which bears against the valve seat and which includes a head piece which is traversed centrally by a spindle which is rotatably and/or pivotably mounted in the head piece and via which a control disc can be moved relative to an inlet disc within the head piece, wherein the valve upper part is releasably connected to the pipe section, wherein a device for the defined positioning of the valve upper part within the pipe section in at least two rotary positions offset by an angle of orientation is arranged.Type: ApplicationFiled: January 26, 2015Publication date: November 10, 2016Applicant: Fluehs Drehtechnik GmbHInventor: Lutz LANGE
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Publication number: 20160018011Abstract: A single lever cartridge includes a head piece which receives a base piece, and a disc control having a control disc, which is disposed so as to be rotatable and movable via a rotatably and pivotably mounted spindle, wherein the end portion of the head piece which receives the base piece is designed in such a way that the end portion is at least flush at least in some regions with the base surface of the base piece facing away from the control disc.Type: ApplicationFiled: September 23, 2013Publication date: January 21, 2016Applicant: Fluehs Drehtechnik GmbHInventor: Lutz LANGE
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Patent number: 9115818Abstract: The invention relates to a single-lever mixing cartridge, comprising a head piece (1), which accommodates a bottom piece (8), and a disk control having a control disk (5) that can be displaced via an at least pivotably mounted spindle (2). An outer thread for screwing into a fitting is provided, and a fastening ring (16) is provided which has the external thread (161) and which is placed on the head piece (1) and is captively held thereon.Type: GrantFiled: February 4, 2013Date of Patent: August 25, 2015Assignee: Fluehs Drehtechnik GmbHInventor: Lutz Lange
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Patent number: 9115819Abstract: The invention relates to a single-lever mixing cartridge, comprising a head piece (1), which accommodates a bottom piece (8), and a disk control having a control disk (5) that is arranged in a rotatable and pivotable manner via a rotatably and pivotably mounted spindle (2). The bottom piece (8) is connected to the head piece (1) via a latching connection and is sealed against the head piece (1) by means of a sealing element. Furthermore, one, preferably two inlet channels (81) and an outlet channel (82) are provided in the bottom piece (8), wherein the bottom piece (8) has an axial shoulder (83) through which only the inlet channels (81) are guided.Type: GrantFiled: February 4, 2013Date of Patent: August 25, 2015Assignee: Fluehs Drehtechnik GmbHInventor: Lutz Lange
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Patent number: 9033312Abstract: A side valve having a lateral connector, comprising an outer sleeve and an inner sleeve that has an attachment section for attachment on the outer sleeve side, as well as a connector piece for connecting to a water supply. The outer sleeve and inner sleeve are connected with one another by way of a separate connection piece, onto which the connector is formed.Type: GrantFiled: December 1, 2011Date of Patent: May 19, 2015Assignee: Fluehs Drehtechnik GmbHInventor: Lutz Lange
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Publication number: 20150055433Abstract: A single-lever mixing cartridge includes a head piece, which accommodates a bottom piece having at least one inflow channel and at least one outlet channel, and a disk control having a control disk that can be displaced via an at least pivotably mounted spindle relative to a passage disk which is arranged in a rotationally fixed manner. At least all inlet channels are provided with at least one lip seal for sealing the bottom piece against the passage disk and/or against a fitting receiving the cartridge.Type: ApplicationFiled: February 4, 2013Publication date: February 26, 2015Applicant: Fluehs Drehtechnik GmbHInventor: Lutz Lange
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Publication number: 20140326342Abstract: The invention relates to a single-lever mixing cartridge, comprising a head piece (1), which accommodates a bottom piece (8), and a disk control having a control disk (5) that can be displaced via an at least pivotably mounted spindle (2). An outer thread for screwing into a fitting is provided, and a fastening ring (16) is provided which has the external thread (161) and which is placed on the head piece (1) and is captively held thereon.Type: ApplicationFiled: February 4, 2013Publication date: November 6, 2014Applicant: Fluehs Drehtechnik GmbHInventor: Lutz Lange
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Publication number: 20140090722Abstract: The invention relates to a single-lever mixing cartridge, comprising a head piece (1), which accommodates a bottom piece (8), and a disk control having a control disk (5) that is arranged in a rotatable and pivotable manner via a rotatably and pivotably mounted spindle (2). The bottom piece (8) is connected to the head piece (1) via a latching connection and is sealed against the head piece (1) by means of a sealing element. Furthermore, one, preferably two inlet channels (81) and an outlet channel (82) are provided in the bottom piece (8), wherein the bottom piece (8) has an axial shoulder (83) through which only the inlet channels (81) are guided.Type: ApplicationFiled: February 4, 2013Publication date: April 3, 2014Inventor: Lutz Lange
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Publication number: 20120187200Abstract: The invention relates to a mixing device for tap water, comprising a mixing valve and a flow control valve that can each be actuated by a spindle and are arranged one behind the other. Sensors (21, 22) are provided for determining the volume and temperature of the water flow, the sensors being connected to a control and regulating device used to adjust the volume and temperature of the water flow.Type: ApplicationFiled: December 30, 2009Publication date: July 26, 2012Applicant: Fluehs Drehtechnik GmbHInventors: Friedrich Thurau, Lutz Lange
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Publication number: 20120138838Abstract: A side valve having a lateral connector, comprising an outer sleeve and an inner sleeve that has an attachment section for attachment on the outer sleeve side, as well as a connector piece for connecting to a water supply. The outer sleeve and inner sleeve are connected with one another by way of a separate connection piece, onto which the connector is formed.Type: ApplicationFiled: December 1, 2011Publication date: June 7, 2012Applicant: FLUEHS DREHTECHNIK GMBHInventor: Lutz LANGE
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Publication number: 20110284101Abstract: The invention relates to a mixing device for tap water, comprising a mixing valve and a flow control valve that can each be actuated by a spindle and are arranged one behind the other. The device is characterized in that sensors (21, 22) are provided for determining the volume and temperature of the water flow, the sensors being connected to a control and regulating device used to adjust the volume and temperature of the water flow. A temperature sensor (22) is arranged in the flow control valve (4), for determining the temperature of the volume of water flow guided through the mixing valve (5).Type: ApplicationFiled: December 30, 2009Publication date: November 24, 2011Applicant: FLUEHS DREHTECHNIK GMBHInventors: Friedrich Thurau, Lutz Lange