Compact fluorescent springlamp

Details Compact fluorescent springlamp Compact fluorescent springlamp

2006-07-07

2009-11-17

Patel, Ashok (Department: 2889)

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

C313S634000, C313S318050

Reexamination Certificate

active

07619353

ABSTRACT:
It's about a new kind of fluorescent springlamp, which includes lamp base (1), lower part of a housing (2), upper cover for the housing (3), spiral lamp tube (4), and a PCB that placed inside the housing (5). Among them, the legs of the tube with filaments in them are straight. There are two notches on the PCB, and two holes on the upper cover of the housing as well, so the straight legs of the tube can be placed in the housing. Moreover, the length of the straight legs of the tube can be longer than the distance between the PCB in the housing and the facing surface of the upper cover for the housing. This method can greatly reduce the overall height of the lamp and reduce the operating temperature in the housing, which increased the working efficiency of the lamp and prolonged the lamp life.

REFERENCES:
patent: 5128590 (1992-07-01), Holzer
patent: 6204602 (2001-03-01), Yang et al.
patent: 6316872 (2001-11-01), Ge et al.
patent: 6494730 (2002-12-01), Yan
patent: 6515433 (2003-02-01), Ge et al.
patent: 7053540 (2006-05-01), Bobel
patent: 2005/0116604 (2005-06-01), Bobel
patent: 2836232 (2006-11-01), None

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