Electric particle detector for the detection of fire

摘要

PCT No. PCT/FR85/00060 Sec. 371 Date Jan. 27, 1986 Sec. 102(e) Date Jan. 27, 1986 PCT Filed Mar. 25, 1985 PCT Pub. No. WO85/04483 PCT Pub. Date Oct. 10, 1985.The sensor 1 has its point of operation towards the Townsend discharge zone, and the collection of ions causes an increase in the current passing through it. The electrodes of the sensor are formed by wires bent in the shape of an alpha.