Patent · US Expired

Gas concentration sensor, hydrogen purification unit using this and fuel cell system

US7357015B2 · kind B2 · utility

11Cited by
9References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 20, 2001
Grant dateApr 15, 2008
Priority date
Expiry dateMar 30, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T436/23
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

In order to provide a step capable of reliably detecting a CO concentration in a reformed gas at low cost and a hydrogen purifier capable of fully exerting a function of a CO purifying catalyst, a gas concentration detector comprising a reaction chamber which has a catalyst layer and a gas temperature detector and capable of detecting the concentration of carbon monoxide in the gas by means of a signal of the temperature detector referring to a reformed gas passing along through the reaction chamber.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.