Patents by Inventor Roger Padfield

Roger Padfield 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).

  • STEAM TURBINE
    Publication number: 20100119359
    Abstract: A steam turbine with an operating temperature of more than 650° C. includes a thermally highly-loaded housing (G) which is produced by a casting technique at least partially from a nickel-based alloy. Production of such a steam turbine is simplified by the housing (G) being divided into a multiplicity of smaller housing sections (G1, . . . , G8; G21, G22, G31, G32) which are interconnected and together form the housing (G).
    Type: Application
    Filed: October 26, 2009
    Publication date: May 13, 2010
    Inventors: Richard Brendon Scarlin, Roger Padfield, Helen Elizabeth Parker, Robert Jupp, Ian Michael Vale, Martin Reigl, Maurus Herzog, Rolf Doebler
  • Valve arrangement for a power plant
    Patent number: 6638014
    Abstract: The invention relates to a valve arrangement (1), in particular for a power plant. A housing (2) contains a shut-off valve (3) for shutting off a fluid flow, a control valve (4) for controlling the fluid flow through a housing outlet (8) and a bypass valve (5) for controlling the fluid flow through a bypass (13). This bypass (13) branches off from the housing (2) between the shut-off valve (3) and the control valve (4).
    Type: Grant
    Filed: March 29, 2002
    Date of Patent: October 28, 2003
    Assignee: ALSTOM (Switzerland) Ltd
    Inventors: Ralf Gerdes, Roger Padfield, Franz Suter
  • Valve arrangement for a power plant
    Publication number: 20030035720
    Abstract: The invention relates to a valve arrangement (1), in particular for a power plant. A housing (2) contains a shut-off valve (3) for shutting off a fluid flow, a control valve (4) for controlling the fluid flow through a housing outlet (8) and a bypass valve (5) for controlling the fluid flow through a bypass (13). This bypass (13) branches off from the housing (2) between the shut-off valve (3) and the control valve (4).
    Type: Application
    Filed: March 29, 2002
    Publication date: February 20, 2003
    Inventors: Ralf Gerdes, Roger Padfield, Franz Suter