Ultrasonic Device with Integrated Gas Delivery System
2 Assignments
0 Petitions
Accused Products
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.
8 Citations
45 Claims
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1-18. -18. (canceled)
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19. An ultrasonic device comprising:
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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.- View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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32. An ultrasonic device comprising:
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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.- View Dependent Claims (33, 34, 35, 36, 37, 38, 39, 40)
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41. An ultrasonic device comprising:
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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.- View Dependent Claims (42, 43, 44, 45)
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Specification