Electric lamp and discharge devices – With temperature modifier – Having heat conducting path
Patent
1995-04-21
1996-11-05
O'Shea, Sandra L.
Electric lamp and discharge devices
With temperature modifier
Having heat conducting path
313 43, 313161, 313493, H01J 150
Patent
active
055720838
ABSTRACT:
The electrodeless low pressure discharge lamp has a lamp vessel (1) which is fused to the flared portion (6) of a flared tube (5) which extends into the lamp vessel. A power coupler (20) is demountably secured to the lamp vessel and comprises a soft magnetic core (21), surrounded by an electric coil (22), and a heat conducting element (23) in the core. This element is a solid rod, the coil (22) is present in a region (8) adjacent the flared portion (6) of the flared tube (5), and an elastic material couples the rod (23) laterally to the core (21). The construction of the lamp avoids the use of an expensive heat pipe as a heat conducting element.
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Antonis Petrus H.
Eggink Hendrik J.
Friederichs Winand H. A. M.
O'Shea Sandra L.
Patel Vip
U.S. Philips Corporation
Wieghaus Brian J.
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