Drive device, flying vehicle and method for cooling a motor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12071255
APP PUB NO 20240051675A1
SERIAL NO

17766168

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Disclosed is a drive device, in particular for a flying vehicle such as an aircraft or a spacecraft, comprising at least one engine and a device for cooling the engine, the device for cooling the engine comprising a cryogenic refrigerator, i.e. refrigerating to a temperature between −100° C. and −273° C., the refrigerator comprising a working circuit forming a loop and containing a working fluid, the working circuit forming a cycle comprising, in series: a mechanism for compressing the working fluid, a mechanism for cooling the working fluid, a mechanism for expanding the working fluid and a mechanism for heating the working fluid, the refrigerator comprising a portion for heat exchange between the working fluid expanded in the expansion mechanism and the engine, the refrigerator being configured to produce a first determined maximum refrigeration power, characterized in that the device for cooling the engine further comprises an additional refrigeration system comprising a cryogenic fluid store that can be brought into heat exchange with the refrigerator and/or the engine, the additional refrigeration system being configured to supply a second determined maximum refrigeration power to the refrigerator and/or to the engine when the cryogenic fluid is brought into heat exchange with the refrigerator and/or the engine.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE75 QUAI D'ORSAY PARIS 75007

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Delautre, Guillaume Sassenage, FR 9 0
Jeunesse, Loic Sassenage, FR 3 0
Staempflin, Martin Sassenage, FR 3 10
Zimmermann, Baptiste Sassenage, FR 1 0

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