公开(公告)号：US20210111014A1

公开(公告)日：2021-04-15

申请号：US17047887

申请日：2018-05-11

Applicant: SHIMADZU CORPORATION

Inventor： Shingo FUJIOKA

IPC: H01J49/04 ,  G01N30/72

Abstract: A sample container holding mechanism is for holding a sample container 6, and includes a hook member 9 and a stopper member 10. The hook member 9 suspends and holds the sample container 6 in a state where the sample container 6 is inclined with respect to a vertical direction. The stopper member 10 restricts the rotation of the sample container 6 when the sample container 6 is rotated around the hook member 9.

公开(公告)号：US20190277813A1

公开(公告)日：2019-09-12

申请号：US16348898

申请日：2017-12-14

Applicant: SHIMADZU CORPORATION

Inventor： Shingo FUJIOKA

IPC: G01N30/38 ,  G01N30/72

Abstract: A lid member 24 of a valve device 6 is detachably attached to a main body housing 21 fixed to a casing 5. A connection pipe is attached to the lid member 24. A pipe fitting 40 is connected to a pipe fixed to the casing 5. When the lid member 24 is mounted to the main body housing 21, the connection pipe is inserted in the pipe fitting 40 connected to the pipe 11. Thus, the lid member 24 can be mounted to the main body housing 21, with the lid member disposed at a fixed position relative to the main body housing 21. When the lid member 24 is detached from the main body housing 21, the connection pipe 25 is separated from the internal of the pipe fitting 40, and thus, the pipe 11 connected to the pipe fitting 40 does not move together with the lid member 24, and is maintained to be disposed at the fixed position in the casing 5. As a result, the pipe 11 can be prevented from hindering operation of an operator.

公开(公告)号：US20220199385A1

公开(公告)日：2022-06-23

申请号：US17692370

申请日：2022-03-11

Applicant: SHIMADZU CORPORATION

Inventor： Daisuke OKUMURA ,  Shingo FUJIOKA ,  Kazuma MAEDA

IPC: H01J49/04 ,  G01N27/623 ,  G01N1/00

Abstract: The other end of an individual sample supply channel one end of which is connected to a gas buffer container the inside of which is empty is connected to one sub-port of a valve that selects one of standard samples to be supplied to an ESI probe. During analysis, the standard sample stored in one of liquid sample containers is selected by switching a connection state of the valve. The standard sample supplied by being pushed by a gas sent to the liquid sample containers through liquid supply gas branch channels is sent to the ESI probe through a sample supply main channel. At the time of finishing analysis, when the valve is switched such that the sub-port and a main port are communicatively connected, a nitrogen gas is sent to the sample supply main channel, and the remaining liquid is discharged.

公开(公告)号：US20210313163A1

公开(公告)日：2021-10-07

申请号：US16613160

申请日：2017-08-10

Applicant: SHIMADZU CORPORATION

Inventor： Daisuke OKUMURA ,  Shingo FUJIOKA ,  Kazuma MAEDA

IPC: H01J49/04 ,  G01N27/623

Abstract: The other end of an individual sample supply channel one end of which is connected to a gas buffer container the inside of which is empty is connected to one sub-port of a valve that selects one of standard samples to be supplied to an ESI probe. During analysis, the standard sample stored in one of liquid sample containers is selected by switching a connection state of the valve. The standard sample supplied by being pushed by a gas sent to the liquid sample containers through liquid supply gas branch channels is sent to the ESI probe through a sample supply main channel. At the time of finishing analysis, when the valve is switched such that the sub-port and a main port are communicatively connected, a nitrogen gas is sent to the sample supply main channel, and the remaining liquid is discharged.

公开(公告)号：US20240379339A1

公开(公告)日：2024-11-14

申请号：US18686152

申请日：2021-08-24

Applicant: SHIMADZU CORPORATION

Inventor： Keisuke ISO ,  Yuki TANAKA ,  Fumihiko HIRATA ,  Shingo FUJIOKA

IPC: H01J49/16 ,  G01N30/72 ,  H01J49/04

Abstract: An ionizer disposed in an ionization chamber separated from an analysis chamber by a partition provided with an ion introduction port, the ionizer including: an electrospray ionization probe 111 configured to charge and nebulize a liquid sample as charged droplets, the electrospray ionization probe being disposed such that a nebulization axis is orthogonal to a central axis of the ion introduction port; and a heated gas supply mechanism configured to blow a heated gas to a position between a tip of the electrospray ionization probe and an intersection point X of the nebulization axis and the central axis, where the position is separated from the tip by a predetermined distance or more.

公开(公告)号：US20220344139A1

公开(公告)日：2022-10-27

申请号：US17427137

申请日：2019-02-19

Applicant: SHIMADZU CORPORATION

Inventor： Shingo FUJIOKA ,  Hikaru ISHIHARA

IPC: H01J49/04 ,  H01J49/16 ,  H01J49/42

Abstract: A mass spectrometer includes: a probe having an electric conductivity; a probe moving unit configured to move the probe; a high voltage application unit configured to apply a high voltage to the probe located at an ion generation position where the tip of the probe is apart from the sample, so as to generate an ion from the sample adhered to the probe, the ion originating from a component in the sample; and a sample holding unit that includes a sample holder having a plurality of concave portions, each configured to hold the sample, and a base configured to hold the sample holder in a removable manner, the base including a mechanical element configured to move the sample holder in order to sequentially move each of the plurality of concave portions of the sample holder to the sample collection position.