The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 01, 2026
Filed:
Feb. 28, 2022
Shimadzu Corporation, Kyoto, JP;
Tomoya Kudo, Kyoto, JP;
Kohei Hosoo, Kyoto, JP;
SHIMADZU CORPORATION, Nishinokyo, JP;
Abstract
A mass spectrometer includes an ion source unit including: a housing; a cover accommodating the housing; an enclosure accommodating the cover; a probe passing through the cover and housing to nebulize a liquid sample into the housing; a heated gas nozzle including a main body portion being hollow and located between the cover and the housing to discharge a gas heated by a heater in the main body portion into the housing; enclosure intake and exhaust ports; cover intake and exhaust ports; a first exhaust fan to discharge air flowing from the cover intake port and passing through the cover through the cover exhaust port; and a second exhaust fan to discharge air discharged into the enclosure from the cover exhaust port and air flowing from the enclosure intake port and passing through the enclosure, to an outside through the enclosure exhaust port.