WAVEGUIDE FOREIGN OBJECT DAMAGE PREVENTION WINDOW - COMMUNICATIONS & POWER INDUSTRIES INC

Title:

WAVEGUIDE FOREIGN OBJECT DAMAGE PREVENTION WINDOW

Document Type and Number:

WIPO Patent Application WO2003017415

Kind Code:

A3

Abstract:

A waveguide system for passing microwave energy while blocking foreign particles from a moving gas passing through the system is provided. The system includes first and second waveguide sections (12, 14) and a low loss microwave window (26) disposed between the two waveguide sections to pass microwave energy therebetween. The system also includes a gas bypass filtration system (30) having a first port (32) in communication with the first waveguide (12), a filter element (38) in communication with the first port (32), and a second port (42) in communication with the filter element (38) and with the second waveguide (14). The system operates by having the window pass microwave energy while blocking direct gas flow between first and second waveguides (12,14), and forcing the gas in the first waveguide (12) to flow through the gas bypass filtration system (38) into the second waveguide (14). The window may be of the pillbox type.

Inventors:

CONWAY WILLIAM (US)
MARINI VINCENT (US)
MCCOWAN ROBERT (US)
DANTAS CARLOS (US)
SMITH TIMOTHY (US)

Application Number:

PCT/US2002/026082

Publication Date:

November 20, 2003

Filing Date:

August 16, 2002

Export Citation:

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Assignee:

COMMUNICATIONS & POWER INDUSTRIES INC (US)
CONWAY WILLIAM (US)
MARINI VINCENT (US)
MCCOWAN ROBERT (US)
DANTAS CARLOS (US)
SMITH TIMOTHY (US)

International Classes:

H01P1/08; H01P1/30; (IPC1-7): H01P1/08; H01P5/02

Foreign References:

US3778799A

1973-12-11

Other References: