发明名称 |
Gas detector with automatically operable fan switch |
摘要 |
A gas detector, comprises a housing having an interior cavity with a wall having a testing tube receiver with an opening therethrough into the cavity. Spaced above the wall and in alignment therewith, is a test tube receiving tube and, when a test tube is placed in the receiving tube, it actuates a switch to actuate a fan to draw a gas sample through the testing tube for testing purposes.
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申请公布号 |
US3933029(A) |
申请公布日期 |
1976.01.20 |
申请号 |
US19740434411 |
申请日期 |
1974.01.18 |
申请人 |
DRAGERWERK AKTIENGESELLSCHAFT |
发明人 |
RABENECKER, HORST;SPAHRBIER, HORST |
分类号 |
G01N1/24;(IPC1-7):G01N1/22 |
主分类号 |
G01N1/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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