Tungsten halogen lamp for headlights

Details Tungsten halogen lamp for headlights Tungsten halogen lamp for headlights

1978-04-26

1979-02-20

Demeo, Palmer C.

Electric lamp and discharge devices

With support and/or spacing structure for electrode and/or...

For plural electrodes of discharge device

313115, 313272, 313316, H01K 114, H01K 118, H01K 150

Patent

active

041409396

ABSTRACT:
A tungsten-halogen lamp for use in motor vehicle headlights comprises a tubular sealed glass capsule containing two coiled tungsten filaments, parallel to each other and disposed substantially orthogonally to the axis of the capsule. The two filaments are offset laterally from each other and one of the filaments is a coiled coil, in order to reduce the lateral traverse of both filaments.

REFERENCES:
patent: 2315504 (1943-04-01), Curtis
patent: 2791714 (1957-05-01), Beesley
patent: 2821649 (1958-01-01), Geiger
patent: 3898451 (1975-08-01), Murphy et al.

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