Patents Represented by Attorney Kriegsman & Kreigsman

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  • Expansion valve and method for its control
    Patent number: 7913502
    Abstract: The invention relates to an expansion valve and a method for controlling an expansion valve, in which the opening and closing movement of the valve-closing element is adjusted as a function of the pressure difference which is present on the high-pressure side in an inlet opening and on the low-pressure side in an outlet opening.
    Type: Grant
    Filed: October 21, 2005
    Date of Patent: March 29, 2011
    Assignee: Otto Egelhof. GmbH & Co. KG
    Inventor: Jean-Jacques Robin