Patents Assigned to Ernst Flitsch GmbH U. Co.
  • Control valve
    Patent number: 4131128
    Abstract: A control valve particularly suitable for service in mechanical refrigeration systems has a spherical valve body permanently engaging an annular seal and is operated by turning the valve body about an axis perpendicular to the direction of fluid flow through the central opening in the valve seat. A circumferentially flaring notch in the outer circumference of the valve member by-passes the valve seat in the open angular position of the valve member and communicates only with the inlet or the outlet of the valve in the closed valve position.
    Type: Grant
    Filed: April 1, 1977
    Date of Patent: December 26, 1978
    Assignee: Ernst Flitsch GmbH U. Co.
    Inventor: Rudibert Gotzenberger