Gas concentration sensor, hydrogen purification unit using this and fuel cell system
US7357015B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 20, 2001 |
| Grant date | Apr 15, 2008 |
| Priority date | — |
| Expiry date | Mar 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.