Ultrasonic device with integrated gas delivery system
First Claim
Patent Images
1. 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, anda 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;
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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.
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Citations
27 Claims
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1. 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 (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. 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 (15, 16, 17, 18, 19, 20, 21, 22)
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23. 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 (24, 25, 26, 27)
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Specification