JPS564043A - Contact combustion type carbon monoxide detectimg element using nickel wire - Google Patents
Contact combustion type carbon monoxide detectimg element using nickel wireInfo
- Publication number
- JPS564043A JPS564043A JP7915079A JP7915079A JPS564043A JP S564043 A JPS564043 A JP S564043A JP 7915079 A JP7915079 A JP 7915079A JP 7915079 A JP7915079 A JP 7915079A JP S564043 A JPS564043 A JP S564043A
- Authority
- JP
- Japan
- Prior art keywords
- detecting element
- nickel wire
- sensitivity
- combustion type
- coil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
PURPOSE: To obtain at a low cost a contact combustion type carbon monoxide detecting element having a high CO-sensitivity and suitably used as a CO monitor which does not sense any other gases than CO, by using a contact combustion type gas detecting element in which a platinum coil is substituted by a nickel coil.
CONSTITUTION: A pure nickel wire is insulated by applying thereto a heat resisting insulating paint. The insulated nickel wire is formed into a coil of a suitable diameter by winding the same at several tens of turns. The circumferential surface and both end surfaces of the coiled nickel wire are further coated with an insulating material, such as alumina by a suitable method. A palladium oxide catalyst, which has the highest CO-sensitivity, is then baked onto the insulating layer of alumina. A detecting element thus obtained is installed in a bridge circuit. In order to remove the hydrogen-sensitivity from the detecting element, a necessary amount of platinum black is coated on a part of a compensating resistor. Thus, an objective detecting element is obtained. This detecting element is suitably used as an incomplete combustion preventing device for a combustion machine and a CO monitor in a coalpit.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7915079A JPS564043A (en) | 1979-06-25 | 1979-06-25 | Contact combustion type carbon monoxide detectimg element using nickel wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7915079A JPS564043A (en) | 1979-06-25 | 1979-06-25 | Contact combustion type carbon monoxide detectimg element using nickel wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS564043A true JPS564043A (en) | 1981-01-16 |
Family
ID=13681922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7915079A Pending JPS564043A (en) | 1979-06-25 | 1979-06-25 | Contact combustion type carbon monoxide detectimg element using nickel wire |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS564043A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5061447A (en) * | 1988-09-14 | 1991-10-29 | Yoshio Ono | Catalytic combustion type co gas sensor |
| JPH0449857U (en) * | 1990-09-01 | 1992-04-27 |
-
1979
- 1979-06-25 JP JP7915079A patent/JPS564043A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5061447A (en) * | 1988-09-14 | 1991-10-29 | Yoshio Ono | Catalytic combustion type co gas sensor |
| JPH0449857U (en) * | 1990-09-01 | 1992-04-27 |
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