Patents by Inventor Valter Cerrano

Valter Cerrano 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).

  • Patent number: 6109588
    Abstract: A two-way variable-section control valve for a refrigeration circuit, having a movable member for choking a refrigerant passage interposed between the inlet and outlet of the valve; the position of the movable member is controlled by a wax actuator having a bulb fitted with an electric resistor supplied by a control circuit; and the bulb is immersed in and cooled rapidly by the refrigerant when the heat supplied by the resistor is reduced, thus ensuring rapid response.
    Type: Grant
    Filed: March 18, 1997
    Date of Patent: August 29, 2000
    Assignee: Microtecnica S.p.A.
    Inventor: Valter Cerrano