Lamp heat dissipating structure

Details Lamp heat dissipating structure Lamp heat dissipating structure

2010-08-11

2011-10-25

Ton, Anabel (Department: 2875)

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Load device and transformer

C362S249020, C362S800000, C362S640000, C362S294000

Reexamination Certificate

active

08044592

ABSTRACT:
A heat dissipating structure for a lamp includes at least an illuminating element, a lamp base, a metal housing, a ring-shaped coil and a metal base. The metal housing has a great heat conducting capability, and the illuminating element is mounted on the lamp base, which is engaged with the metal housing. The ring-shaped coil which includes a primary winding and a secondary winding wound on a ring iron core is mounted between the metal housing and lamp base, wherein the ring iron core further includes an inner space for accommodating plural electronic components connected with the secondary winding, and the ring-shaped coil is electrically connected with the illuminating element and metal base. And, the metal base is electrically connected to a power source, so that through a conduction of the metal base, the ring-shaped coil can acquire and transform electricity to provide to the illuminating element for operation.

REFERENCES:
patent: 4497016 (1985-01-01), Sachse
patent: 7293897 (2007-11-01), Mendelsohn
patent: 7419281 (2008-09-01), Porchia et al.
patent: 7646279 (2010-01-01), Limpkin et al.
patent: M265535 (2005-05-01), None
patent: M272222 (2005-08-01), None
patent: M275529 (2005-09-01), None
patent: M305303 (2007-01-01), None

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