Patents by Inventor Dhanwant Chahal

Dhanwant Chahal 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).

  • High temperature gas seals
    Patent number: 9267601
    Abstract: A flexible seal for use in a solid oxide fuel cell stack is formed from a fiber matrix with a plurality of solid particles through tape casting method. The fibers and particles are preferably ceramic and may be formed from alumina or zirconia. The seal may be formed by forming a slurry of fibers, particles, a binder and a non-aqueous solvent, tape casting the slurry, drying the tape seal, die-cutting, prior to installation in the fuel cell stack.
    Type: Grant
    Filed: June 1, 2010
    Date of Patent: February 23, 2016
    Assignee: VERSA POWER SYSTEMS, LTD.
    Inventors: Robert Brule, Xinge Zhang, Dhanwant Chahal, Zheng Tang
  • HIGH TEMPERATURE GAS SEALS
    Publication number: 20100239961
    Abstract: A flexible seal for use in a solid oxide fuel cell stack is formed from a fibre matrix with a plurality of solid particles through tape casting method. The fibres and particles are preferably ceramic and may be formed from alumina or zirconia. The seal may be formed by forming a slurry of fibres, particles, a binder and a non-aqueous solvent, tape casting the slurry, drying the tape seal, die-cutting, prior to installation in the fuel cell stack.
    Type: Application
    Filed: June 1, 2010
    Publication date: September 23, 2010
    Applicant: VERSA POWER SYSTEMS, LTD.
    Inventors: Robert BRULE, Xinge ZHANG, Dhanwant CHAHAL, Zheng TANG
  • High temperature gas seals
    Patent number: 7799419
    Abstract: A flexible seal for use in a solid oxide fuel cell stack is formed from a fiber matrix with a plurality of solid particles through tape casting method. The fibers and particles are preferably ceramic and may be formed from alumina or zirconia. The seal may be formed by forming a slurry of fibers, particles, a binder and a non-aqueous solvent, tape casting the slurry, drying the tape seal, die-cutting, prior to installation in the fuel cell stack.
    Type: Grant
    Filed: December 23, 2003
    Date of Patent: September 21, 2010
    Assignee: Versa Power Systems, Ltd.
    Inventors: Robert Brule, Xinge Zhang, Dhanwant Chahal, Zheng Tang
  • HIGH TEMPERATURE GAS SEALS
    Publication number: 20040135324
    Abstract: A flexible seal for use in a solid oxide fuel cell stack is formed from a fibre matrix with a plurality of solid particles through tape casting method. The fibres and particles are preferably ceramic and may be formed from alumina or zirconia. The seal may be formed by forming a slurry of fibres, particles, a binder and a non-aqueous solvent, tape casting the slurry, drying the tape seal, die-cutting, prior to installation in the fuel cell stack.
    Type: Application
    Filed: December 23, 2003
    Publication date: July 15, 2004
    Inventors: Robert Brule, Xinge Zhang, Dhanwant Chahal, Zheng Tang