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United States of America Design
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Dec 14, 1993
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Mar 8, 1991
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Mar 8, 1991
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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FLYGT AKTIEBOLAG | A CORP OF SWEDEN 171 25 SOLNA |
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Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Bartholf, Thomas | Stockholm, SE | 2 | 6 |
# of filed Patents : 2 Total Citations : 6 | |||
Landquist, Folke | Balsta, SE | 3 | 10 |
# of filed Patents : 3 Total Citations : 10 | |||
Sodergard, Bengt | Upplands Vashy, SE | 15 | 251 |
# of filed Patents : 15 Total Citations : 251 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text
US Patent Application No: 2016/0237,900
TURBOMACHINE DESIGNED TO OPERATE IN TURNING GEAR MODE
Abstract
A field of turbine engines, and more particularly to an engine including a compressor; a combustion chamber; a first turbine connected to the compressor by a first rotary shaft; an actuator device for actuating the first rotary shaft in order to keep the first turbine and the compressor in rotation while the combustion chamber is extinguished; and a lubrication circuit for lubricating the engine. The circuit passes through at least one heat source suitable for heating the lubricant in the lubrication circuit while the first turbine and the compressor are rotating with the combustion chamber extinguished.
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