Capped high-pressure discharge lamp

Details Capped high-pressure discharge lamp Capped high-pressure discharge lamp

1991-03-28

1993-06-01

Yusko, Donald J.

Electric lamp and discharge devices

With envelope

Having base and connector

313 51, H01J 550

Patent

active

052163199

ABSTRACT:
The HID lamp, suitable for use as a vehicle headlamp, includes a lamp cap having a first, central recess, a second, annular recess surrounding the central recess, and a third recess separated from the first and second recesses. The recesses accommodate a first end of the discharge vessel and a first current supply conductor, a fixation member, and second current supply conductor, respectively. The fixation member is frictionally fixed in the annular recess by resilient tongues and is welded to a clamping member holding a sealed end of the discharge vessel. The lamp construction allows for adjustably mounting the discharge vessel to the lamp cap and avoids harmful and disadvantageous electrical high-voltage and high-frequency effects through electrical isolation of the clamping and fixation members.

REFERENCES:
patent: 4804878 (1989-02-01), Hough et al.
patent: 4868456 (1989-09-01), Sanders et al.
patent: 5036439 (1991-07-01), Hoffman et al.

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