Patents Assigned to Mira Limited
  • Publication number: 20040000594
    Abstract: A thermostatic mixing valve for hot and cold water has two-stage inlet chambers for the hot and cold water flows respectively. The inlet chambers distribute the flows uniformly with respect to porting for admitting the flows to the mixing chamber to reduce asymmetric flow patterns and promote thorough mixing of the flows within the mixing chamber.
    Type: Application
    Filed: June 26, 2003
    Publication date: January 1, 2004
    Applicant: Kohler Mira Limited
    Inventors: Nicholas John Beck, Sean Patrick Conway, Bruce Lewin John Hayward, Kevin Taylor Peel
  • Patent number: 4834130
    Abstract: A steam and water mixing valve having a permanently open fluid connection between a water inlet chamber and a mixing chamber and valve means for controlling the flow of steam from a steam inlet chamber to the mixing chamber wherein the valve means is responsive to pressure differentials between the water inlet chamber and a control chamber each connected to a water inlet whereby the valve means is closed in the absence of water flow or at low pressure differentials.
    Type: Grant
    Filed: February 12, 1988
    Date of Patent: May 30, 1989
    Assignee: Caradon Mira Limited
    Inventor: Royston J. North
  • Patent number: 4791887
    Abstract: A boiler has a gas burner assembly and a heat exchanger positioned in a combustion chamber for heating water circulated through the heat exchanger by heat exchange with the combustion products. The performance of the heat exchanger is improved by rotating the heat exchanger to prevent formation of a boundary layer of cooler combustion products and/or a surface film of condensed moisture on the heat exchange surface.
    Type: Grant
    Filed: July 27, 1987
    Date of Patent: December 20, 1988
    Assignee: Caradon Mira Limited
    Inventors: Terence L. Winnington, Ian W. Eames
  • Patent number: D293669
    Type: Grant
    Filed: June 17, 1985
    Date of Patent: January 12, 1988
    Assignee: Caradon Mira Limited
    Inventor: Kenneth A. Ogilvie