Fluorescent lamp device with incandescent type screw base

Details Fluorescent lamp device with incandescent type screw base Fluorescent lamp device with incandescent type screw base

H - Electricity

01

J

313/11, 315/28

H01J 61/34 (2006.01) H01J 61/52 (2006.01) H01J 61/54 (2006.01)

Patent

CA 1322021

- 20 - Abstract of the Disclosure A fluorescent lamp device according to the present invention includes a ballast, a screw base electrically connected to the ballast, a fluorescent tube curved in an arc at three portions thereof, a bowl-shaped member for housing the ballast with the screw base fixed pro- jecting outside therefrom, a globe, and a partition plate attached to an open end of the member so as to thermally isolate or insulate the ballast from the fluorescent tube and to which the fluorescent tube is fixed. The bowl-shaped member is provided with a plura- lity of ventilating slits for discharging heat radiated from the ballast, and also with air-ducts for com- municating the space inside the globe with the outside air. The globe is also provided with holes at the top portion thereof.

404507

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