Patents by Inventor Roger William Phelps
Roger William Phelps 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: 20200078741Abstract: A method of cleaning a membrane surface immersed in a liquid medium with a fluid flow, including the steps of providing a randomly generated intermittent or pulsed fluid flow along the membrane surface to dislodge fouling materials therefrom. A membrane module is also disclosed comprising a plurality of porous membranes (6) or a set of membrane modules (5) and a device (11) for providing a generally randomly generated, pulsed fluid flow such that, in use, said fluid flow moves past the surfaces of said membranes (6) to dislodge fouling materials therefrom.Type: ApplicationFiled: October 25, 2019Publication date: March 12, 2020Applicant: Evoqua Water Technologies LLCInventors: Fufang Zha, Gerin James, Joseph Edward Zuback, Peter Zauner, Roger William Phelps
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Patent number: 10507431Abstract: A method of cleaning a membrane surface immersed in a liquid medium with a fluid flow, including the steps of providing a randomly generated intermittent or pulsed fluid flow along the membrane surface to dislodge fouling materials therefrom. A membrane module is also disclosed comprising a plurality of porous membranes (6) or a set of membrane modules (5) and a device (11) for providing a generally randomly generated, pulsed fluid flow such that, in use, said fluid flow moves past the surfaces of said membranes (6) to dislodge fouling materials therefrom.Type: GrantFiled: January 10, 2017Date of Patent: December 17, 2019Inventors: Fufang Zha, Gerin James, Joseph Edward Zuback, Peter Zauner, Roger William Phelps
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Publication number: 20170113188Abstract: A method of cleaning a membrane surface immersed in a liquid medium with a fluid flow, including the steps of providing a randomly generated intermittent or pulsed fluid flow along the membrane surface to dislodge fouling materials therefrom. A membrane module is also disclosed comprising a plurality of porous membranes (6) or a set of membrane modules (5) and a device (11) for providing a generally randomly generated, pulsed fluid flow such that, in use, said fluid flow moves past the surfaces of said membranes (6) to dislodge fouling materials therefrom.Type: ApplicationFiled: January 10, 2017Publication date: April 27, 2017Inventors: Fufang Zha, Gerin James, Joseph Edward Zuback, Peter Zauner, Roger William Phelps
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Patent number: 9206057Abstract: A method of cleaning a membrane surface immersed in a liquid medium with a fluid flow, including the steps of providing a randomly generated intermittent or pulsed fluid flow along the membrane surface to dislodge fouling materials therefrom. A membrane module is also disclosed comprising a plurality of porous membranes (6) or a set of membrane modules (5) and a device (11) for providing a generally randomly generated, pulsed fluid flow such that, in use, said fluid flow moves past the surfaces of said membranes (6) to dislodge fouling materials therefrom.Type: GrantFiled: February 11, 2014Date of Patent: December 8, 2015Assignee: Evoqua Water Technologies LLCInventors: Fufang Zha, Gerin James, Joseph Edward Zuback, Peter Zauner, Roger William Phelps
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Patent number: 8840783Abstract: A method of cleaning a membrane surface immersed in a liquid medium with a fluid flow, including the steps of providing a randomly generated intermittent or pulsed fluid flow along the membrane surface to dislodge fouling materials therefrom. A membrane module is also disclosed comprising a plurality of porous membranes (6) or a set of membrane modules (5) and a device (11) for providing a generally randomly generated, pulsed fluid flow such that, in use, said fluid flow moves past the surfaces of said membranes (6) to dislodge fouling materials therefrom.Type: GrantFiled: February 12, 2013Date of Patent: September 23, 2014Assignee: Evoqua Water Technologies LLCInventors: Fufang Zha, Gerin James, Joseph Edward Zuback, Peter Zauner, Roger William Phelps
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Publication number: 20140158618Abstract: A method of cleaning a membrane surface immersed in a liquid medium with a fluid flow, including the steps of providing a randomly generated intermittent or pulsed fluid flow along the membrane surface to dislodge fouling materials therefrom. A membrane module is also disclosed comprising a plurality of porous membranes (6) or a set of membrane modules (5) and a device (11) for providing a generally randomly generated, pulsed fluid flow such that, in use, said fluid flow moves past the surfaces of said membranes (6) to dislodge fouling materials therefrom.Type: ApplicationFiled: February 11, 2014Publication date: June 12, 2014Inventors: Fufang Zha, Gerin James, Joseph Edward Zuback, Peter Zauner, Roger William Phelps
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Patent number: 8622222Abstract: A method of cleaning a membrane surface immersed in a liquid medium with a fluid flow, including the steps of providing a randomly generated intermittent or pulsed fluid flow along the membrane surface to dislodge fouling materials therefrom. A membrane module is also disclosed comprising a plurality of porous membranes (6) or a set of membrane modules (5) and a device (11) for providing a generally randomly generated, pulsed fluid flow such that, in use, said fluid flow moves past the surfaces of said membranes (6) to dislodge fouling materials therefrom.Type: GrantFiled: May 29, 2008Date of Patent: January 7, 2014Assignee: Siemens Water Technologies LLCInventors: Fufang Zha, Gerin James, Joseph Edward Zuback, Peter Zauner, Roger William Phelps
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Patent number: 8377305Abstract: A method of controlling fouling in a membrane filtration system (5) of the type where gas is used to clean or scour the membranes (6) wherein the method includes supplying the gas to the system with a continuously variable flow rate. A continuously variable valve arrangement (17) is also disclosed.Type: GrantFiled: September 15, 2005Date of Patent: February 19, 2013Assignee: Siemens Industry, Inc.Inventors: Fufang Zha, Warren Thomas Johnson, Thomas William Beck, Roger William Phelps, Etienne Ulysse Brois
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Patent number: 8372282Abstract: A membrane module (5) including a plurality of porous membranes (6) extending in an array and mounted, at least at one end, in a header (8). The header (8) has a number of distribution apertures (11) for distributing a fluid into the module (5) and along a surface or surfaces of the membranes (6). An elongate chamber (10) having one open end (13) and another end is in fluid communication with the distribution apertures (11) for distributing the fluid to the distribution apertures (11).Type: GrantFiled: December 5, 2003Date of Patent: February 12, 2013Assignee: Siemens Industry, Inc.Inventors: Fufang Zha, Roger William Phelps, Etienne Ulysse Brois
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Patent number: 8372276Abstract: A method of cleaning a membrane surface immersed in a liquid medium with a fluid flow, including the steps of providing a randomly generated intermittent or pulsed fluid flow along the membrane surface to dislodge fouling materials therefrom. A membrane module is also disclosed comprising a plurality of porous membranes (6) or a set of membrane modules (5) and a device (11) for providing a generally randomly generated, pulsed fluid flow such that, in use, said fluid flow moves past the surfaces of said membranes (6) to dislodge fouling materials therefrom.Type: GrantFiled: November 17, 2011Date of Patent: February 12, 2013Assignee: Siemens Industry, Inc.Inventors: Fufang Zha, Gerin James, Joseph Edward Zuback, Peter Zauner, Roger William Phelps
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Publication number: 20120061333Abstract: A method of cleaning a membrane surface immersed in a liquid medium with a fluid flow, including the steps of providing a randomly generated intermittent or pulsed fluid flow along the membrane surface to dislodge fouling materials therefrom. A membrane module is also disclosed comprising a plurality of porous membranes (6) or a set of membrane modules (5) and a device (11) for providing a generally randomly generated, pulsed fluid flow such that, in use, said fluid flow moves past the surfaces of said membranes (6) to dislodge fouling materials therefrom.Type: ApplicationFiled: November 17, 2011Publication date: March 15, 2012Applicant: SIEMENS INDUSTRY, INC.Inventors: Fufang Zha, Gerin James, Joseph Edward Zuback, Peter Zauner, Roger William Phelps
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Publication number: 20110198283Abstract: A method of cleaning a membrane surface immersed in a liquid medium with a fluid flow, including the steps of providing a randomly generated intermittent or pulsed fluid flow along the membrane surface to dislodge fouling materials therefrom. A membrane module is also disclosed comprising a plurality of porous membranes (6) or a set of membrane modules (5) and a device (11) for providing a generally randomly generated, pulsed fluid flow such that, in use, said fluid flow moves past the surfaces of said membranes (6) to dislodge fouling materials therefrom.Type: ApplicationFiled: May 29, 2008Publication date: August 18, 2011Inventors: Fufang Zha, Gerin James, Joseph Edward Zuback, Peter Zauner, Roger William Phelps
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Publication number: 20110100907Abstract: A method of cleaning a membrane surface immersed in a liquid medium with a fluid flow, including the steps of providing a randomly generated intermittent or pulsed fluid flow along the membrane surface to dislodge fouling materials therefrom. A membrane module is also disclosed comprising a plurality of porous membranes (6) or set of membrane modules (5) and a device (11) for providing a generally randomly generated, pulsed fluid flow such that, in use, said fluid flow moves past the surfaces of said membranes (6) to dislodge fouling materials therefrom.Type: ApplicationFiled: September 30, 2010Publication date: May 5, 2011Applicant: SIEMENS WATER TECHNOLOGIES CORP.Inventors: Fufang Zha, Gerin James, Edward Joseph Zuback, Peter Zauner, Roger William Phelps
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Patent number: 7862719Abstract: A membrane module (3) comprising a plurality of porous hollow membranes (8). The membranes (8) extend between and are fixed at each end in a header (5, 6). One header (6) has one or more of openings (12) formed therein. The openings (12) are in fluid communication with a source of gas and/or liquid (13, 14, 15). The other of the headers (5) is sealingly connected to and in fluid communication with a head-piece (9). The head-piece (9) is adapted to couple to an associated head-piece of a further module to form a rack of modules (17). A potting head (6) for use in mounting porous hollow membranes (8) is also disclosed comprising a preformed potting element (29). The potting element (29) includes one or more cavities (30) for receiving curate potting material which, in use, supports said membranes (8).Type: GrantFiled: August 19, 2005Date of Patent: January 4, 2011Assignee: Siemens Water Technologies Corp.Inventors: Robert James McMahon, David John Cox, Fufang Zha, Roger William Phelps, Warren Thomas Johnson, Sargon Barkho
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Publication number: 20090001018Abstract: A method of operating a membrane filtration system having a number of repeated operation cycles, the method including the step of varying the values of one or more operating parameters of the system associated with a particular operation cycle between and/or during one or more repetitions of the operation cycle. Membrane filtration systems operating in accordance with the method are also disclosed.Type: ApplicationFiled: January 12, 2007Publication date: January 1, 2009Inventors: Fufang Zha, Roger William Phelps, Ashley Sneddon, Tina Nguyen
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Publication number: 20080210623Abstract: A membrane module (3) comprising a plurality of porous hollow membranes (8). The membranes (8) extend between and are fixed at each end in a header (5, 6). One header (6) has one or more of openings (12) formed therein. The openings (12) are in fluid communication with a source of gas and/or liquid (13, 14, 15). The other of the headers (5) is sealingly connected to and in fluid communication with a head-piece (9). The head-piece (9) is adapted to couple to an associated head-piece of a further module to form a rack of modules (17). A potting head (6) for use in mounting porous hollow membranes (8) is also disclosed comprising a preformed potting element (29). The potting element (29) includes one or more cavities (30) for receiving curate potting material which, in use, supports said membranes (8).Type: ApplicationFiled: August 19, 2005Publication date: September 4, 2008Inventors: Robert James McMahon, David John Cox, Fufang Zha, Roger William Phelps, Warren Thomas Johnson, Sargon Barkho
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Publication number: 20080156745Abstract: A method of controlling fouling in a membrane filtration system (5) of the type where gas is used to clean or scour the membranes (6) wherein the method includes supplying the gas to the system with a continuously variable flow rate. A continuously variable valve arrangement (17) is also disclosed.Type: ApplicationFiled: September 15, 2005Publication date: July 3, 2008Applicant: U.S. FILTER WASTEWATER GROUP, INC.Inventors: Fufang Zha, Warren Thomas Johnson, Thomas William Beck, Roger William Phelps, Etienne Ulysse Brois
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Patent number: D637208Type: GrantFiled: April 13, 2009Date of Patent: May 3, 2011Assignee: Siemens Water Technologies Corp.Inventors: Peter Zauner, Fufang Zha, Roger William Phelps, Tomasz Swiatek