Patents by Inventor David Taaffe

David Taaffe 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).

  • Electrical power conversion system and method
    Patent number: 9473046
    Abstract: A system and method for electrical power conversion, with the system being intended for use in converting a high voltage DC power output from a turbine generator to an AC power signal that is suitable for connecting to an AC power grid. The system utilizes a mechanical coupling between a synchronous motor driving a synchronous generator in order to provide isolation, as well as allowing for control of the real power output by the system.
    Type: Grant
    Filed: September 29, 2010
    Date of Patent: October 18, 2016
    Assignee: Openhydro IP Limited
    Inventors: Edward Spooner, David Taaffe
  • Method of installing a hydroelectric turbine generator
    Patent number: 9054512
    Abstract: A method of installing an off-shore tidal hydroelectric turbine generator is described. The method provides for a number of safety features, ensuring that all components are safe to handle during the installation operation, and also ensuring that the turbine will not start spinning during the installation operation.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: June 9, 2015
    Assignee: OpenHydro IP Limited
    Inventors: James Ives, David Taaffe, Paul Dunne
  • Enhanced method of controlling the output of a hydroelectric turbine generator
    Patent number: 8872371
    Abstract: There is described a method for controlling the output of a tidal hydroelectric turbine generator from a remote location, with the need for control circuitry to be housed local to the generator. The rotational speed of the turbine, and consequently the output power level of the generator, is controlled by varying the transmission line voltage of the submarine power cable connecting the off-shore turbine with an on-shore substation.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: October 28, 2014
    Assignee: OpenHydro IP Liminted
    Inventors: James Ives, David Taaffe, Paul Dunne
  • ELECTRICAL POWER CONVERSION SYSTEM AND METHOD
    Publication number: 20120187680
    Abstract: A system and method for electrical power conversion, with the system being intended for use in converting a high voltage DC power output from a turbine generator to an AC power signal that is suitable for connecting to an AC power grid. The system utilises a mechanical coupling between a synchronous motor driving a synchronous generator in order to provide isolation, as well as allowing for control of the real power output by the system.
    Type: Application
    Filed: September 29, 2010
    Publication date: July 26, 2012
    Applicant: Openhydro IP Limited
    Inventors: Edward Spooner, David Taaffe
  • ENHANCED METHOD OF CONTROLLING THE OUTPUT OF A HYDROELECTRIC TURBINE GENERATOR
    Publication number: 20120175877
    Abstract: There is described a method for controlling the output of a tidal hydroelectric turbine generator from a remote location, with the need for control circuitry to be housed local to the generator. The rotational speed of the turbine, and consequently the output power level of the generator, is controlled by varying the transmission line voltage of the submarine power cable connecting the off-shore turbine with an on-shore substation.
    Type: Application
    Filed: December 17, 2009
    Publication date: July 12, 2012
    Applicant: OPENHYDRO IP LIMITED
    Inventors: James Ives, David Taaffe, Paul Dunne
  • METHOD OF INSTALLING A HYDROELECTRIC TURBINE GENERATOR
    Publication number: 20120027522
    Abstract: A method of installing an off-shore tidal hydroelectric turbine generator is described. The method provides for a number of safety features, ensuring that all components are safe to handle during the installation operation, and also ensuring that the turbine will not start spinning during the installation operation.
    Type: Application
    Filed: December 17, 2009
    Publication date: February 2, 2012
    Applicant: OPENHYDRO IP LIMITED
    Inventors: James Ives, David Taaffe, Paul Dunne