Electric heating – Heating devices – Resistive element: igniter type
Patent
1975-05-30
1978-08-15
Bartis, A.
Electric heating
Heating devices
Resistive element: igniter type
123145A, 219523, 219541, 219553, 252512, 338329, 338330, 361264, F02P 1902, F23Q 722, H05B 302
Patent
active
041075102
ABSTRACT:
An ignition aid for internal combustion engines includes a sintered refractory ceramic composite heating element having a high resistance central portion interposed between a low resistance terminal end portions. The heating element is positioned in a hollow electrically conductive body adapted to be removably inserted in an aperture in an engine. The heating element is disposed between and has its terminal end portions in electrical non-point contact with a bridge portion at one end of the hollow body and an electrode rod extending into the hollow body in sealed relation therewith. In one embodiment, the electrode rod comprises a pair of relatively movable parts, one of which is resiliently biased into engagement with the heating element by a resilient PTC resistance element electrically connecting the parts. In another embodiment, the heating element terminal portions are diffusion bonded to the electrode rod and bridge portion, respectively.
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Miles Brian Leslie
Smith Dexter William
Tombs Terence Leslie
Bartis A.
C.A.V. Limited
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