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US 9,382,598 B2Granted
Ultrasonic device with integrated gas delivery system
AssigneeSouthwire Company
InventorsVictor F. Rundquist, Kevin S. Gill
Life of this patent
Estimating the term…
Abstract
Methods for degassing and for removing impurities from molten metals are disclosed. These methods can include operating an ultrasonic device in a molten metal bath, and adding a purging gas into the molten metal bath through the tip of the ultrasonic device.
Claims27
An ultrasonic device comprising:
- an ultrasonic transducer;
- an elongated 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:
- the probe comprises a ceramic;
- and
- a length to diameter ratio of the probe is in a range from about 5:1 to about 25:1.
8 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:
- the probe comprises a ceramic;
- and
- a length to diameter ratio of the probe is in a range from about 5:1 to about 25:1.
9 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 length to diameter ratio of the probe is in a range from about 5:1 to about 25:1.
6 more elements
Dependencies are inferred from the claim text.