Method and apparatus for cooling electrodeless lamps

Patent 4695757 Issued on September 22, 1987. Estimated Expiration Date:

November 26, 2004. 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.

Abstract Claims Description Full Text

Patent References

3786308

Light source device
Patent #: 3978361
Issued on: 08/31/1976
Inventor: Hiramoto

Light source apparatus
Patent #: 3989983
Issued on: 11/02/1976
Inventor: Uchino , et al.

Method & apparatus for cooling electrodeless lamps Patent #: 4485332
Issued on: 11/27/1984
Inventor: Ury , et al.

Inventors

Assignee

Fusion Systems Corporation

Application

No. 06/674631 filed on 11/26/1984

US Classes:

313/44, For envelope wall315/112WITH LOAD DEVICE TEMPERATURE MODIFIER

Examiners

Primary: Moore, David K.
Assistant: Wieder, K.

Attorney, Agent or Firm

Pollock, Vande Sande & Priddy

International Classes

H01J 61/52 (20060101)
H01J 61/02 (20060101)
H01J 65/04 (20060101)

Foreign Application Priority Data

1983-12-05 JP

Abstract

A method of cooling the lamp envelope of an electrodeless lamp by directing a stream of cooling gas at the envelope while providing relative rotation between the lamp envelope and the stream of cooling gas. The relative rotation can be achieved by rotating the envelope, or the source of cooling gas, or both.