US 12,292,421 B2
Gas chromatograph
Kasumi Sasaki, Kyoto (JP); and Yuji Nakama, Kyoto (JP)
Assigned to SHIMADZU CORPORATION, Kyoto (JP)
Filed by Shimadzu Corporation, Kyoto (JP)
Filed on Dec. 16, 2022, as Appl. No. 18/082,912.
Claims priority of application No. 2022-001367 (JP), filed on Jan. 7, 2022; and application No. 2022-091311 (JP), filed on Jun. 6, 2022.
Prior Publication US 2023/0221289 A1, Jul. 13, 2023
Int. Cl. G01N 30/30 (2006.01); G01N 30/02 (2006.01)
CPC G01N 30/30 (2013.01) [G01N 2030/025 (2013.01); G01N 2030/3084 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A gas chromatograph comprising:
a column oven accommodating a column;
a heater configured to heat an inside of the column oven;
a fan provided with a blade that rotates about a rotation axis in the column oven, the fan being configured to send wind toward the column provided in an axial direction that is a direction along the rotation axis; and
a cylindrical member arranged to accommodate at least a part of the fan in a state of being spaced apart from the column in the axial direction and surrounding an outer periphery of the fan along a rotational direction of the blade,
wherein the heater is mounted on an outer periphery of the cylindrical member along the rotational direction of the blade.