Microwave filter assembly

Details Microwave filter assembly Microwave filter assembly

2007-05-29

2007-05-29

Pascal, Robert (Department: 2817)

Wave transmission lines and networks

Miscellaneous

Multipactor applications

C505S210000, C505S875000, C505S885000

Reexamination Certificate

active

10513741

ABSTRACT:
A filter element (28) having planar (48) or cavity (30) geometry having applied thereto a coating (38, 39, 50, 53) of temperature super conducting (HTS) material in which the filter element (28) or coating of HTS material is provided with a porous structure (49A) or has associated therewith a plurality of cooling passages (29, 40, 42, 55) for passage of refrigerant when the filter element (28) is connected to a refrigeration circuit. A refrigeration circuit includes a compressor (18) connected to a heat exchanger assembly (19) located in an evacuated housing (20), wherein the heat exchanger assembly (19) includes an influent line (22), a first heat exchanger unit (21) in communication with the influent line (22), a throttle valve (23) which is in communication with the filter (28), a second heat exchanger unit (25) in communication with the filter (28) and a return line (26) to the compressor (18).

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patent: 2002134800 (2002-05-01), None
A Practical Microwave Subsystem of HTS Filter Integrated with Coaxial Pulse Tube Refrigerator—2000.
HTS Filter Subsystems for Wireless Telecommunications—2001.
Development of Space Qualifiable HTS Communication Subsystems—2001.

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