Ionization smoke detecting device专利检索-放射源核能专利检索查询-专利查询网

Ionization smoke detecting device

阅读：634发布：2023-04-11

专利汇可以提供Ionization smoke detecting device专利检索，专利查询，专利分析的服务。并且An ionization smoke detector having a single ionization chamber, a pair of spaced electrodes in said chamber, a grid electrode between said spaced electrodes and a radioactive source within the chamber. A potential is applied between the spaced electrodes and means are connected between one of the spaced electrodes and the grid electrode to detect potential changes in the grid produced by the presence of smoke.，下面是Ionization smoke detecting device专利的具体信息内容。

权利要求

1. An ionization smoke detecting device comprising a pair of spaced electrodes having means for applying a DC potential therebetween, means supporting said electrodes to permit the movement of ambient air therebetween, a Potential sensing grid disposed between said spaced electrodes, a radioactive source positioned in the vicinity of one of said electrodes, said DC potential and radioactive source producing a substantially linear voltage gradient between said electrodes, a voltage amplifier having an input and output, means connecting one of said spaced electrodes and said grid to the input of said amplifier and indicating means connected to the output thereof, said amplifier being responsive to voltage changes between said one electrode and said grid produced by the production of a nonlinear voltage gradient between said electrodes upon the entry of smoke therebetween and actuating said indicating means.

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Ionization smoke detecting device

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