Patents by Inventor Vishal Bansal

Vishal Bansal 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).

  • Patent number: 8951325
    Abstract: A bi-component fiber is provided. The bi-component fiber includes a sheath formed of polyphenylene sulfide (PPS) and a core formed of a high glass transition polyester. A PPS material of the sheath has a higher melting point than a high glass transition polyester material of the core. The core is at least partially crystallized whereby the high glass transition polyester material of the core effectively has a higher softening point than a softening point of the PPS material of the sheath.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: February 10, 2015
    Assignee: BHA Altair, LLC
    Inventors: Vishal Bansal, Jeffery Michael Ladwig, Rana Ghufran Rasheed
  • Publication number: 20140366733
    Abstract: A composite filter media is provided. The composite filter media includes a porous membrane material and a nonwoven felt material laminated to the porous membrane material. The nonwoven felt material includes an amount of amorphous fibers and an amount of crystalline fibers, and the amorphous fibers and the crystalline fibers are each fabricated from the same material.
    Type: Application
    Filed: June 18, 2013
    Publication date: December 18, 2014
    Applicant: BHA Altair, LLC
    Inventors: Cynthia Marie Polizzi, Vishal Bansal
  • Publication number: 20140360147
    Abstract: A filter element includes a filtration media formed into a tubular configuration. The filtration media includes a plurality of circumferentially spaced apart pleats. The filter element includes at least one retaining strap extending circumferentially around the filtration media to limit movement of the filtration media The at least one retaining strap has a ratio of flow direction tensile modulus to perpendicular direction tensile modulus of 1.5 or less. A method of fabricating a filter element is also provided.
    Type: Application
    Filed: June 5, 2013
    Publication date: December 11, 2014
    Applicant: BHA Altair, LLC
    Inventors: Cynthia Marie Polizzi, Vishal Bansal, Bryan David Yetter
  • Publication number: 20140237968
    Abstract: A bi-component fiber is provided. The bi-component fiber includes a sheath formed of polyphenylene sulfide (PPS) and a core formed of a high glass transition polyester. A PPS material of the sheath has a higher melting point than a high glass transition polyester material of the core. The core is at least partially crystallized whereby the high glass transition polyester material of the core effectively has a higher softening point than a softening point of the PPS material of the sheath.
    Type: Application
    Filed: February 27, 2013
    Publication date: August 28, 2014
    Applicant: BHA Altair, LLC
    Inventors: Vishal Bansal, Jeffery Michael Ladwig, Rana Ghufran Rasheed
  • Patent number: 8801933
    Abstract: The present invention provides a system for liquid distillation which includes a vapor permeable-liquid impermeable microporous membrane having structures defining a plurality of pores, an oleophobic material that is applied to the structures of the membrane so as to leave the plurality of pores open, a means for supplying non-distilled liquid to the first side of the membrane, and a means for collecting distilled liquid from a second side of the membrane. In a further example, the present invention provides a method for the distillation of liquids.
    Type: Grant
    Filed: September 15, 2011
    Date of Patent: August 12, 2014
    Assignee: BHA Altair, LLC
    Inventors: Vishal Bansal, Christopher Keller
  • Patent number: 8782812
    Abstract: A waterproof breathable garment is provided. The waterproof garment includes a first segment of a laminated composite material, a second segment of the laminated composite material, and a seam joining the first and the second segments of the laminated composite material to form the garment. The seam includes a light curable adhesive.
    Type: Grant
    Filed: May 23, 2006
    Date of Patent: July 22, 2014
    Assignee: BHA Altair, LLC
    Inventors: Vishal Bansal, James P. Lenox
  • Publication number: 20140144171
    Abstract: An evaporative cooler, and associated method, that includes an evaporative pad including a liquid coolant-receiving surface at which a liquid coolant distributed to the evaporative pad is received and thereafter passes into the evaporative pad. The evaporative cooler also includes a liquid coolant distribution trough that includes an upper portion configured to hold liquid coolant and a lower portion contiguous with the upper portion. The lower portion includes an opening and a fabric distribution layer in place over the opening through which the liquid coolant held in the upper portion of the liquid coolant distribution trough passes and is distributed to the liquid coolant-receiving surface of the evaporative pad.
    Type: Application
    Filed: January 29, 2014
    Publication date: May 29, 2014
    Applicant: BHA ALTAIR, LLC
    Inventors: Peter John Duncan Smith, Vishal Bansal
  • Publication number: 20140033665
    Abstract: A multiple layer HEPA filter media includes, in an exemplary embodiment, a first layer that includes a nonwoven synthetic fabric formed from a plurality of bicomponent synthetic fibers with a spunbond process, and having a bond area pattern of a plurality of substantially parallel discontinuous lines of bond area. The filter media also includes a second layer laminated onto the first layer. The second layer is formed from a micro-porous membrane. Further, the filter media includes a third layer laminated onto the second layer, with the third layer including a synthetic nonwoven fabric formed from a plurality of synthetic fibers. The synthetic fibers include at least two different synthetic fibers having different melting points. The third layer has a cover factor of less than seven millimeters. In addition, the multiple layer filter media further includes a plurality of corrugations.
    Type: Application
    Filed: October 22, 2013
    Publication date: February 6, 2014
    Inventors: Alan Smithies, Vishal Bansal, Nusrat Farzana, Cynthia Polizzi
  • Publication number: 20130330524
    Abstract: A protective cover includes a textile layer and an air permeable, moisture-vapor-transmissive, expanded polytetrafluoroethylene membrane layer attached to said textile layer, the cover having an MVTR rating of at least 4000 g/m2/day.
    Type: Application
    Filed: July 7, 2006
    Publication date: December 12, 2013
    Inventors: Clare R. King, Vishal Bansal, Leo J. Crotty, JR.
  • Publication number: 20130319924
    Abstract: A membrane distillation system is provided for distilling liquids. The membrane distillation system includes a heat generating means for heating a non-distilled liquid. The membrane distillation system further includes a microporous membrane that is asymmetric and vapor permeable. The microporous membrane includes a hydrophilic layer and a hydrophobic layer. The membrane distillation system further includes a supply means for delivering the heated non-distilled liquid to the hydrophilic layer of the microporous membrane. A collection means is further provided for collecting distilled liquid from the hydrophobic layer of the microporous membrane. A method of fabricating the microporous membrane for use in the membrane distillation system is also provided.
    Type: Application
    Filed: June 5, 2012
    Publication date: December 5, 2013
    Applicant: General Electric Company
    Inventors: Yit-Hong Tee, Vishal Bansal, Christopher Keller
  • Patent number: 8562724
    Abstract: A pollutant removal system for use with a power generation system includes a particulate control device configured to remove particulates from a flue gas stream produced within the power generation system. The particulate control device is cleaned on a predetermined cleaning cycle. The pollutant removal system also includes a sorbent control system for controllably injecting a sorbent into the flue gas stream upstream of the particulate control device. The sorbent control system is configured to adjust a sorbent injection rate as a function of the cleaning cycle.
    Type: Grant
    Filed: March 1, 2011
    Date of Patent: October 22, 2013
    Assignee: General Electric Company
    Inventors: Peter Martin Maly, Robert Taylor, Vishal Bansal
  • Publication number: 20130168381
    Abstract: A method of manufacturing an article is provided. The method includes applying a coating onto a fabric layer, wherein the coating absorbs solar energy and converts solar energy into electrical energy. Moreover, the method includes applying a membrane onto the fabric layer. An insulation layer is applied onto the membrane. Further, a heat conductive coating is applied onto at least one of the membrane and the insulation layer.
    Type: Application
    Filed: January 3, 2012
    Publication date: July 4, 2013
    Inventors: Reena Srivastava, Jamison William Janawitz, Taher Mousa Abujoudeh, Vishal Bansal, Martin Gregory Hatfield, Gaston Justice MacMillan
  • Publication number: 20130092624
    Abstract: Disclosed in this specification is a method for making a pleated filter cartridge by placing a pleated filter on a mold and adding a polymerizable potting compound to the inner cavity of the pleated filter. The potting compound is permitted to cover the portion of the upper surface of the mold that is encompassed by the pleats. The potting compound is selected to form a polyurethane after polymerization is complete.
    Type: Application
    Filed: October 14, 2011
    Publication date: April 18, 2013
    Applicant: General Electric Company
    Inventors: Vishal Bansal, Jason Mei, Jeff Allen Canfield, Bryan David Yetter
  • Publication number: 20130068689
    Abstract: The present invention provides a system for liquid distillation which includes a vapor permeable-liquid impermeable microporous membrane having structures defining a plurality of pores, an oleophobic material that is applied to the structures of the membrane so as to leave the plurality of pores open, a means for supplying non-distilled liquid to the first side of the membrane, and a means for collecting distilled liquid from a second side of the membrane. In a further example, the present invention provides a method for the distillation of liquids.
    Type: Application
    Filed: September 15, 2011
    Publication date: March 21, 2013
    Applicant: BHA Group, Inc.
    Inventors: Vishal Bansal, Christopher Keller
  • Patent number: 8388885
    Abstract: A method of manufacturing a fiber-reinforced article. The method includes the steps of providing a mat fiber structure defining voids therein. A membrane structure is applied over at least a portion of the fiber structure. The membrane structure includes a microporous membrane. At least the microporous membrane of the membrane structure has an oil resistance rating of at least a number 8 determined by AATCC 118 testing. A resin and hardener mix is provided. The resin is infused into voids of the fiber structure by applying a vacuum to the fiber structure and the membrane structure wherein the membrane structure inhibits the flow of resin therethrough.
    Type: Grant
    Filed: November 18, 2008
    Date of Patent: March 5, 2013
    Assignee: General Electric Company
    Inventors: Vishal Bansal, Nusrat Farzana
  • Patent number: 8317906
    Abstract: A membrane contactor system for use in separating carbon dioxide from a gaseous stream in a continuous flow process comprising a housing defining a gas flow path and comprising a first outlet for the carbon dioxide and a second outlet for the purified gas; an expanded polytetrafluoroethylene microporous membrane positioned in the housing to allow the gaseous stream to flow across a side of the expanded polytetrafluoroethylene microporous membrane, the membrane having a plurality of interconnecting pores configured to allow the carbon dioxide to diffuse therethrough; an oleophobic enhancement coating disposed on the surfaces to form a coated membrane; and an amine based sorbent liquid disposed on a side of the expanded polytetrafluoroethylene microporous membrane opposite the gas, wherein the amine based sorbent liquid is configured to absorb the carbon dioxide from the gaseous stream.
    Type: Grant
    Filed: November 14, 2011
    Date of Patent: November 27, 2012
    Assignee: General Electric Company
    Inventor: Vishal Bansal
  • Publication number: 20120222410
    Abstract: A pollutant removal system for use with a power generation system includes a particulate control device configured to remove particulates from a flue gas stream produced within the power generation system. The particulate control device is cleaned on a predetermined cleaning cycle. The pollutant removal system also includes a sorbent control system for controllably injecting a sorbent into the flue gas stream upstream of the particulate control device. The sorbent control system is configured to adjust a sorbent injection rate as a function of the cleaning cycle.
    Type: Application
    Filed: March 1, 2011
    Publication date: September 6, 2012
    Inventors: Peter Martin Maly, Robert Taylor, Vishal Bansal
  • Publication number: 20120186452
    Abstract: A multiple layer HEPA filter media includes, in an exemplary embodiment, a first layer that includes a nonwoven synthetic fabric formed from a plurality of bicomponent synthetic fibers with a spunbond process, and having a bond area pattern of a plurality of substantially parallel discontinuous lines of bond area. The filter media also includes a second layer laminated onto the first layer. The second layer is formed from a micro-porous membrane. Further, the filter media includes a third layer laminated onto the second layer, with the third layer including a synthetic nonwoven fabric formed from a plurality of synthetic fibers. The synthetic fibers include at least two different synthetic fibers having different melting points. The third layer has a cover factor of less than about seven. In addition, the multiple layer filter media further includes a plurality of corrugations.
    Type: Application
    Filed: January 26, 2011
    Publication date: July 26, 2012
    Inventors: Alan Smithies, Vishal Bansal, Nusrat Farzana, Cynthia Polizzi
  • Publication number: 20120174787
    Abstract: A system including, a filter having an exterior surface, wherein the exterior surface contains a three-dimensional surface morphology.
    Type: Application
    Filed: January 12, 2011
    Publication date: July 12, 2012
    Applicant: General Electric Company
    Inventors: Vishal Bansal, Peter Martin Maly, Robert Warren Taylor
  • Publication number: 20120135658
    Abstract: An article comprises a first layer which includes a substrate and a nucleophilic organic polymer cross-linked on a surface of or within the substrate. The cross-linked nucleophilic polymer comprises functional groups operative to form a covalent bond with a chemical or biological agent. The first layer also includes reactive particles located on a surface of or within the substrate.
    Type: Application
    Filed: September 30, 2008
    Publication date: May 31, 2012
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Joshua James Stone, Gary Charles Davis, Vishal Bansal