US 12,222,338 B2
Gas analyzer with improved architecture for operation in potentially hazardous environments
Glen Eugene Schmidt, Bartlesville, OK (US); and Thomas Neuhauser, Cypress, TX (US)
Assigned to GAS CHROMATOGRAPHY SYSTEMS MAXUM GMBH, Karlsruhe (DE)
Appl. No. 18/695,448
Filed by Gas Chromatography Systems MAXUM GmbH, Karlsruhe (DE)
PCT Filed Aug. 31, 2022, PCT No. PCT/IB2022/058162
§ 371(c)(1), (2) Date Mar. 26, 2024,
PCT Pub. No. WO2023/052870, PCT Pub. Date Apr. 6, 2023.
Claims priority of application No. PCT/IB2021/058985 (WO), filed on Sep. 30, 2021.
Prior Publication US 2024/0329014 A1, Oct. 3, 2024
Int. Cl. G01N 30/32 (2006.01); G01N 30/02 (2006.01); G01N 30/86 (2006.01)
CPC G01N 30/32 (2013.01) [G01N 30/8693 (2013.01); G01N 2030/025 (2013.01); G01N 2030/328 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A gas analyzer comprising:
a self-contained pressure module that encloses a pipe for a gas,
at least one sensor; and
a valve that comprises a valve portion and a solenoid portion, the at least one sensor and the valve being operable via a master control circuit;
wherein the master control circuit is accommodated in a self-contained control enclosure, which separates the master control circuit from the pressure module with the valve and the at least one sensor, the valve and the sensor being accommodated in the pressure module.