The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 27, 2024
Filed:
Sep. 08, 2020
L'air Liquide, Societe Anonyme Pour L'etude ET L'exploitation Des Procedes Georges Claude, Paris, FR;
Martin Staempflin, Sassenage, FR;
Guillaume Delautre, Sassenage, FR;
Loic Jeunesse, Sassenage, FR;
Baptiste Zimmermann, Sassenage, FR;
Abstract
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.