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US 11,488,817 B2Granted
Mass spectrometry sweep cone cleaning by means of ultrasonic vibration
AssigneeThermo Finnigan LLC
InventorsDavid Gonzalez, Nathaniel L. Sanders, Joshua T. Maze
Life of this patent
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Abstract
A method for removing deposits in a mass spectrometer ion source housing includes delivering a liquid from a liquid source to a surface within the ion source housing. The surface including an ultrasonic transducer embedded within the surface. The method further includes activating the ultrasonic transducer to ultrasonically remove the deposit.
Claims21
A method for removing deposits in a mass spectrometer ion source housing comprising:
- delivering a liquid from a liquid source to a surface within the ion source housing;
- and
- activating an ultrasonic transducer embedded within the surface to ultrasonically remove the deposit.
A liquid based ion source housing of a mass spectrometer, comprising:
- a liquid-based ion source including
- a needle for delivery of a liquid;
- a nebulizer gas conduit to provide a nebulizer gas;
- and
- a heater;
- and
- a sweep cone including an imbedded ultrasonic transducer.
4 more elements
A liquid based ion source housing of a mass spectrometer, comprising:
- a liquid-based ion source including
- a needle for delivery of a liquid;
- a nebulizer gas conduit to provide a nebulizer gas;
- and
- a heater;
- a sweep cone;
- and
- a sweep cone shield including an imbedded ultrasonic transducer.
5 more elements
Dependencies are inferred from the claim text.