Universal cooling points for fluorescent lamps

Details Universal cooling points for fluorescent lamps Universal cooling points for fluorescent lamps

2008-04-15

2008-04-15

Williams, Joseph (Department: 2879)

Electric lamp and discharge devices

With temperature modifier

For envelope wall

C313S027000, C313S484000

Reexamination Certificate

active

11049965

ABSTRACT:
A low-wattage, bi-helically shaped, compact fluorescent lamp, having preferably a wattage rating of preferably 23-watts, to sustain constant luminous output when the lamp is mounted in either in an upright position or mounted lying in the horizontal plane, by the unique placement of two cooling point chambers on the periphery of the bi-helical lamp. In an alternative embodiment, a medium wattage compact fluorescent lamp performs ideally by using three cooling points chambers, whereas higher wattage sized lamps perform best utilizing preferably four to five cooling point chambers. Hence, the plurality of cooling point chambers required for omni-directional mounting of the lamp is functional with the physical size of the lamp, its wattage rating, the quantity of mercury needed and the placement of each cooling point chamber.

REFERENCES:
patent: 5500567 (1996-03-01), Wilson et al.
patent: 6528953 (2003-03-01), Pearson et al.
patent: 6630779 (2003-10-01), Tokes et al.
patent: 6633128 (2003-10-01), Ilyes et al.
patent: 6650042 (2003-11-01), Hammer
patent: 6731070 (2004-05-01), Scholl et al.
patent: 6741023 (2004-05-01), Pirovic
patent: 2002/0180352 (2002-12-01), Ilyes et al.

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