Title:
MICROWAVE VOLATILES ANALYZER WITH HIGH EFFICIENCY CAVITY
Document Type and Number:
WIPO Patent Application WO2001020312
Kind Code:
A3
Abstract:
A volatiles analyzer is disclosed that includes a source of microwave radiation that can selectively produce at least one predetermined frequency of microwave radiation. A cavity is in communication with the source. The analyzer includes an analytical pan balance with at least its balance pan in the cavity. The walls of the cavity form a polyhedron that focuses microwave energy of the predetermined frequency on the balance pan while supporting a plurality of TM and TE modes in the cavity.
Inventors:
JENNINGS WILLIAM EDWARD (US)
BARRETT MATTHEW DONALD (US)
KING EDWARD EARL (US)
BARRETT MATTHEW DONALD (US)
KING EDWARD EARL (US)
Application Number:
PCT/US2000/025199
Publication Date:
November 22, 2001
Filing Date:
September 16, 2000
Export Citation:
Assignee:
CEM LTD LLC (US)
JENNINGS WILLIAM EDWARD (US)
BARRETT MATTHEW DONALD (US)
KING EDWARD EARL (US)
JENNINGS WILLIAM EDWARD (US)
BARRETT MATTHEW DONALD (US)
KING EDWARD EARL (US)
International Classes:
F26B3/347; G01N5/04; G01N22/00; G01G19/00; G01N22/04; G01N1/40; G01N1/44; (IPC1-7): G01N22/00; G01N22/04; G01N22/02; H05B6/64; H01P7/06
Domestic Patent References:
| WO1999040409A2 | 1999-08-12 |
Foreign References:
| US3890825A | 1975-06-24 | |||
| US4908486A | 1990-03-13 | |||
| US5632921A | 1997-05-27 |
Other References:
VARLAMOVA N A ET AL: "ON THE QUALITY FACTOR OF CAVITY RESONATORS OF DIFFERENT SHAPES", TELECOMMUNICATIONS AND RADIO ENGINEERING,US,BEGELL HOUSE, INC., NEW YORK, NY, vol. 52, no. 2, 1998, pages 79 - 85, XP000834425, ISSN: 0040-2508
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