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 Title: |
US5614773:
GENERATOR SECTION OF A TWO-PHASE FLOW LIQUID METAL MAGNETOHYDRODYNAMIC (LMMHD) GENERATOR
[ Derwent Title ]
>> View Certificate of Correction for this publication
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Country:
Kind: |
US United States of America
A PATENT [FROM BEGIN UNTIL END 2000] or PATENT ISSUED AFTER 1ST PUB. WITHIN THE TVPP i
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| Inventor: |
FABRIS, GRACIO; United States of America
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| Assignee: |
CALIFORNIA INSTITUTE OF TECHNOLOGY United States of America
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| Published / Filed: |
1997-03-25
/ 1993-06-30
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| Application Number: |
US1993000086438
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| IPC Code: |
Advanced:
H02K 44/12;
Core:
H02K 44/00;
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| ECLA Code: |
H02K44/12;
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| U.S. Class: |
310/011;
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| Priority Number: |
| 1993-06-30 |
US1993000086438 |
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| Abstract: |
Two-phase LMMHD energy conversion systems have potentially significant advantages over conventional systems such as higher thermal efficiency and substantial simplicity with lower capital and maintenance costs. Maintenance of low velocity slip is of importance for achieving high generator efficiency. A bubbly flow pattern ensures very low velocity slip. The full governing equations have been written out, and a computer prediction code has been developed to analyze performance of a two-phase flow LMMHD generator and nozzle under conditions of no slip. Three different shapes of an LMMHD generator have been investigated. Electrical power outputs are in the 20 kW range. Generator efficiency exceeds 71 percent at an average void fraction of about 70 percent. This is an appreciable performance for a short generator without insulating vanes for minimizing electrical losses in the end regions.
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| Maintenance Status: |
E1 Expired Check current status
CC Certificate of Correction issued
View Certificate of Correction
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| INPADOC Legal Status: |
| Gazette date |
Code |
Description (remarks) List all possible codes for US |
| 2001-05-29 |
FP - |
Expired due to failure to pay maintenance fee
( 2001-03-25 )
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| 2001-03-25 |
LAPS - |
Lapse for failure to pay maintenance fees
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| 2000-10-17 |
REMI |
Maintenance fee reminder mailed
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| 1997-07-22 |
CC |
Certificate of correction
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