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US 11,621,154 B2Granted
Bench-top time of flight mass spectrometer
AssigneeMicromass UK Limited
InventorsRuth Wamsley, Michael Wilson, Ian Trivett, Peter Carney, Haydn Murray, Paul McIver
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Abstract
A mass spectrometer comprising: a vacuum chamber; and an ion inlet assembly for transmitting analyte ions into the vacuum chamber; wherein the spectrometer is configured to operate in a cooling mode in which it selectively controls one or more gas flow to the ion inlet assembly for actively cooling the ion inlet assembly.
Claims15
A mass spectrometer comprising:
- a vacuum chamber;
- an ion inlet assembly for transmitting analyte ions into the vacuum chamber;
- and
- one or more temperature sensor for monitoring a temperature of the ion inlet assembly and/or an ion block in which the ion inlet assembly is mounted;
- a gas inlet for receiving pressurised gas from a pressurised gas supply;
- one or more valve for selectively supplying said pressurised gas from the gas inlet to said ion inlet assembly so as to provide one or more gas flow to the ion inlet assembly for actively cooling the ion inlet assembly in a cooling mode;
- and
- a processor configured to:
- monitor the temperature sensed by the one or more temperature sensor during the cooling mode;
- determine when the temperature sensed by the one or more temperature sensor has decreased to a predetermined temperature;
- and
- control the one or more valve so as to end the one or more gas flow to the ion inlet assembly, and to thereby end the cooling mode, when the temperature sensed by the one or more temperature sensor has decreased to the predetermined temperature.
9 more elements
Dependencies are inferred from the claim text.