Electric lamp and discharge devices – With temperature modifier – For lead-in-seal or stem protection
Patent
1974-11-20
1976-10-26
Truhe, J. V.
Electric lamp and discharge devices
With temperature modifier
For lead-in-seal or stem protection
313141, H01T 1346
Patent
active
039886468
ABSTRACT:
An ignition device for igniting a gaseous medium, such as a fuel/air mixture, comprises a chamber having a wall provided with an aperture through which the chamber can be placed in communication with the medium to be ignited, a first electrode extending across said chamber to said aperture to define an annular gap between the tip of said first electrode and the wall of said aperture, which wall forms at least part of a second electrode, and a third electrode surrounding and insulated from said first electrode and defining a second gap within said chamber between said third electrode and one of said first and second electrodes.
REFERENCES:
patent: 1148106 (1915-07-01), Lux
patent: 1177043 (1916-03-01), McLaughlin
patent: 3312848 (1967-04-01), Baum
patent: 3842818 (1974-10-01), Cowell
patent: 3842819 (1974-10-01), Atkins
Atkins Francis James
Fisher Ian Albert
Associated Engineering Limited
Shaw Clifford C.
Truhe J. V.
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