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Patent AT-E400916-T1: [Translated] COOLING SYSTEM

Published by National Center for Biotechnology Information (NCBI) | U.S. Department of Health & Human Services | Catalog Last Checked: September 07, 2025 at 06:12 PM | Dataset Last Updated: September 06, 2025
The invention relates to a cooling system, with a cooler (1) taking up heat, for a permanently-energized synchronous motor, in particular, a motor for a locomotive. A first line (2) leads from the output of the cooler (1) to the input of a recirculation cooler (4), emitting heat to the environment. A second line (5) leads from the output of the recirculation cooler (4) to the input of the cooler (1). A first non-return valve (3), permitting flow towards the recirculation cooler (4), is arranged in the first line (2) and a second non-return valve (7), permitting flow towards the cooler (1), is arranged in the second line (5).

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