Electric lamp and discharge devices – With envelope – Having a connector
Patent
1994-07-25
1995-09-26
O'Shea, Sandra L.
Electric lamp and discharge devices
With envelope
Having a connector
31331807, 31331808, 439602, 439611, H01J 554
Patent
active
054536561
ABSTRACT:
A discharge lamp assembly compatible with a conventional filament type vehicle lamp has a discharge lamp, and a base structure with a first base component made of ceramics and a second base component made of plastics. The first base component has a cylindrical tube having a height at center of the component for accepting the lamp together with a positive lead line of the lamp into the hole under the cylindrical tube, a hole at side of the component for accepting a negative lead line of the lamp, and a slit between the holes. A first partition wall is provided between the slit and the hole. The second base component has a circular flange and a hollow housing under the flange which engages with the first base component. A second partition wall is provided in the housing so that the second partition wall engages with the slit of the first base component when assembled. The cylindrical tube, first partition wall and second partition wall function to increase insulation length between a positive lead line and a negative lead line to ensure that it will withstand voltage higher than 20000 V.
REFERENCES:
patent: 4533851 (1985-08-01), Block et al.
patent: 4547838 (1985-10-01), Wakimizu
patent: 4868456 (1989-09-01), Sanders et al.
patent: 5150008 (1992-09-01), Lee
patent: 5216318 (1993-06-01), Van Dulmen et al.
Asahi Electric Works Ltd.
O'Shea Sandra L.
Patel Ashok
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