Method and apparatus for cooling electrodeless lamps
Patent 5021704 Issued on June 4, 1991. Estimated Expiration Date: 
February 21, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
February 21, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesMethod & apparatus for cooling electrodeless lamps Method and apparatus for cooling electrodeless lamps Electrodeless lamp energized by microwave energy Apparatus for rotating an electrodeless light source Patent #: 4947080 InventorsAssigneeApplicationNo. 482534 filed on 02/21/1990US Classes:313/35, Using liquids or fluid flow directing means313/44, For envelope wall315/248Induction-type discharge device loadExaminersPrimary: O'Shea, SandraAttorney, Agent or FirmForeign Patent References
International ClassesH01J 007/26H01J 061/52 AbstractApparatus for cooling the lamp envelope of an electrodeless lamp which includes a conduit for carrying cooling gas into the vicinity of the lamp envelope and directing the cooling gas towards the lamp envelope through a slotted orifice in a wall of the conduit. The slotted orifice is preferably oriented with its long dimension substantially perpendicular to the conduct orifice and substantially parallel to the axis of a rotating lamp envelope. | |
