Patent ID: 11921021
Assignee: KABUSHIKI KAISHA TOSHIBA
Field: Measurement (Instruments)
Classification: CPC G | IPC A  B  C  G

Claim 0:
1. A gas concentration device comprising:
a first container that includes a first space surrounded by a first partition wall and stores a specimen, the first container configured to store a gas containing an odor component released from the specimen into the first space where a pressure is reduced;
a second container that is connected to the first container by a first path and has a second space surrounded by a second partition wall and configured to store a gas containing the odor component flowing in from the first space;
a pressure control device configured to reduce a volume of the second space and configured to concentrate the gas containing the odor component;
a second path through which a gas containing the odor component inside the second space is discharged; and
a first decompression device that is connected to the first space by a third path and reduces a pressure inside the first space.