Patents Represented by Attorney Howard & Civiletti Venable, Baetjer

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  • Method and device for removing bubbles from liquid
    Patent number: 5240477
    Abstract: In order to eliminate bubbles in a liquid, the liquid is introduced into a flow passage having circular cross section as tangential flow which turns into swirl flow circulating around axis along the shape of the flow passage and that accelerates and decreases the pressure of the swirl axis and collects bubbles at the portion where pressure becomes lowest, and discharges the collected bubbles through a vent hole or a small vent pipe.
    Type: Grant
    Filed: April 2, 1992
    Date of Patent: August 31, 1993
    Assignee: Kabushikikaisha Opus
    Inventors: Joji Yamaga, Ryushi Suzuki