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US 8,652,397 B2Granted
Ultrasonic device with integrated gas delivery system
AssigneeSouthwire Company
InventorsVictor F. Rundquist, Kevin S. Gill
Life of this patent
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Abstract
Ultrasonic devices having an integrated gas delivery system are described, and these devices can be used to remove dissolved gasses and impurities from molten metals.
Claims29
An ultrasonic device comprising:
- an ultrasonic transducer;
- a probe attached to the ultrasonic transducer, the probe comprising a tip;
- and
- a gas delivery system, the gas delivery system comprising:
- a gas inlet,
- a gas flow path through the probe, and
- a gas outlet at the tip of the probe;
- wherein a ratio of the cross-sectional area of the tip of the probe to the cross-sectional area of the gas outlet is in a range from about 30:1 to about 1000:1.
5 more elements
An ultrasonic device comprising:
- an ultrasonic transducer;
- an elongated probe comprising a tip;
- a booster between the ultrasonic transducer and the elongated probe;
- and
- a gas delivery system, the gas delivery system comprising:
- a gas inlet in the booster,
- a gas flow path through the probe, and
- a gas outlet at the tip of the probe;
- wherein a ratio of the cross-sectional area of the tip of the probe to the cross-sectional area of the gas outlet is in a range from about 30:1 to about 1000:1.
6 more elements
Dependencies are inferred from the claim text.