G01N2001/2238

SYSTEM FOR STABILIZING FLOW OF GAS INTRODUCED INTO SENSOR

Provided is a system for stabilizing a flow of gas introduced into a sensor, wherein, in connection with manufacturing equipment comprising a process chamber, a process chamber vacuum pump installed to remove internal gas of the process chamber, and a sensor device configured to be able to receive the internal gas of the process chamber through a sensor connecting pipe and to detect components thereof, the system comprises a sensor connecting pipe and a bypass pipe branching off from the sensor connecting pipe such that a part of the gas can be directly discharged to the outside without being introduced into the sensor, and the system is accordingly configured to stably provide the sensor device with a part of the internal gas within a predetermined range per time, regardless of a change in the pressure state of the process chamber.

ELEMENTAL ANALYSIS DEVICE
20230098544 · 2023-03-30 ·

An elemental analysis device includes a heating furnace in which a test sample that is placed in a crucible is heated so that a sample gas is generated from the test sample, an inflow path through which a carrier gas is introduced into the heating furnace, an outflow path through which a mixture gas made up of the carrier gas and the sample gas is led out from the heating furnace, a dust filter that is provided on the outflow path, an analysis mechanism that is provided on the outflow path on a downstream side from the dust filter, and that detects one or a plurality of predetermined components contained in the mixture gas, and a cleaning gas supply mechanism that supplies cleaning gas to the dust filter in an opposite direction from a direction in which the mixture gas is flowing.

Air sampling actuator and associated method

An air sampling actuator and associated method are disclosed. The air sampling actuator may include a housing configured to mount on a canister, a motor configured to be accommodated in the housing, and an adaptor. The motor may generate a mechanical action, in response to a control signal received by the motor. The adaptor may be coupled to the motor, and configured to interface with a valve-controlling knob of the canister. In a first configuration of the air sampling actuator, the adaptor may be uncoupled from the valve-controlling knob of the canister, and the hook portion may be unengaged with the canister. In a second configuration of the air sampling actuator, the adaptor may be coupled with the valve-controlling knob of the canister, and the hook portion may be engaged with the canister.

AIR SAMPLING ACTUATOR AND ASSOCIATED METHOD
20230122346 · 2023-04-20 ·

An air sampling actuator and associated method are disclosed. The air sampling actuator may include a housing configured to mount on a canister, a motor configured to be accommodated in the housing, and an adaptor. The motor may generate a mechanical action, in response to a control signal received by the motor. The adaptor may be coupled to the motor and configured to interface with a valve-controlling knob of the canister. In a first configuration of the air sampling actuator, the adaptor may be uncoupled from the valve-controlling knob of the canister, and the hook portion may be unengaged with the canister. In a second configuration of the air sampling actuator, the adaptor may be coupled with the valve-controlling knob of the canister, and the hook portion may be engaged with the canister.

Obtaining product sample from a vacuum vessel

A method is provided for obtaining a product sample from a vacuum vessel by using a system including a first valve arrangement, a second valve arrangement and a sample receiver connected to the first valve arrangement and the second valve arrangement. The method includes opening the first valve arrangement to provide fluid communication between an upper volume of the vacuum vessel and the sample receiver, opening the second valve arrangement to provide fluid communication between a lower volume of the vacuum vessel and the sample receiver, closing the first valve arrangement and the second valve arrangement, opening the first valve arrangement to provide fluid communication between surrounding atmosphere and the sample receiver, and opening the second valve arrangement to collect the product sample.

SOURCE MOUNTED MODULAR SAMPLE CONDITIONING SYSTEM
20170234777 · 2017-08-17 ·

A modular sample conditioning system formed for in-situ sampling installation, referenced herein as “source mounted”. The preferred embodiment of the present invention relates to a docking platform or substrate configured to receive multiple, diverse sampling components in various flow configurations, coupled with a unique housing/enclosure formed to engage the docking platform so as to further strengthen and stabilize the mount, the enclosure also formed to engage one or more of the mounted sampling components, so as to provide access outside of the enclosure for visibility and/or manual access of same, providing an easily installed and maintained, user-accessible, on-site modular sampling conditioning/monitoring system.

Wet natural gas sampling method and apparatus therefore
09733159 · 2017-08-15 · ·

A system for on-stream sampling of pressurized process gas such as natural gas or the like, including pressurized process gas having liquid entrained therein, or otherwise referenced as “wet”. The preferred embodiment of the present invention contemplates a system for obtaining an accurate sample of process gas, as well as providing an apparatus for obtaining same.

AIR SAMPLING ACTUATOR AND ASSOCIATED METHOD
20220034762 · 2022-02-03 ·

An air sampling actuator and associated method are disclosed. The air sampling actuator may include a housing configured to mount on a canister, a motor configured to be accommodated in the housing, and an adaptor. The motor may generate a mechanical action, in response to a control signal received by the motor. The adaptor may be coupled to the motor, and configured to interface with a valve-controlling knob of the canister. In a first configuration of the air sampling actuator, the adaptor may be uncoupled from the valve-controlling knob of the canister, and the hook portion may be unengaged with the canister. In a second configuration of the air sampling actuator, the adaptor may be coupled with the valve-controlling knob of the canister, and the hook portion may be engaged with the canister.

SAMPLING APPARATUS AND SAMPLING METHOD

A sampling apparatus includes a pressure-reducing safety unit, which includes a device accommodation chamber that accommodates safety devices and a cylinder connection chamber, and a cylinder unit. The cylinder unit removably accommodates a cylinder, excluding an exposed portion where a front end portion of the cylinder, a mouthpiece, and a cylinder on-off valve are exposed, in an openable/closable casing. The exposed portion of the cylinder is formed so as to be insertable from the open surface portion of the cylinder connection chamber into the cylinder connection chamber, the mouthpiece of the cylinder and a hydrogen outlet of a supply pipe of the device accommodation chamber are connected by using a flexible hose, and thereby a sample of hydrogen gas is taken into the cylinder.

Gas-analysis sample injection system and method
11371969 · 2022-06-28 · ·

A gas-analysis sample injection system and method for transfer of sample gas from a gas-sample cylinder to an analyzer such as a gas chromatograph, providing a cabinet with a door and a cabinet vent, vent manifold, and vent exhaust, a carrier gas supply, a sample cylinder support bracket, a sample filter housing, and a sample injector valve with an injector-valve actuator. Controlled by a valve controller over valve-control lines, a carrier gas regulating valve and sample-cylinder inflow valve allow carrier gas at regulated pressure into the mounted gas-sample cylinder, and a sample-cylinder outflow valve and sample transfer valve allow flow of sample gas into the sample injector valve. A filter vent valve and injector-valve vent valve operate in coordination with the other valves to provide venting and purging of extraneous gasses.