Patents Represented by Attorney Norbert A. Heban

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  • Automatic cleaning and metering device
    Patent number: 4502510
    Abstract: A fluid system is disclosed having a passage with a reduced diameter orifice. A wire extends into the orifice and is reciprocated therein to simultaneously clean and meter a predetermined fluid flow through the orifice. Automatic reciprocating movement of the wire is accomplished by differential pressures acting on the wire on opposite sides of the orifice.
    Type: Grant
    Filed: February 9, 1983
    Date of Patent: March 5, 1985
    Assignee: Dana Corporation
    Inventor: Stephen D. Royle