# US 10,864,925 B2 · Power car for high-speed train > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,864,925 B2 - Document ID: US10864925B2 - Status: Granted - Kind: B2 - Application number: 16/117,865 - Filed: 2018-08-30 - Published: 2019-02-28 - Granted: 2020-12-15 - Earliest claimed: 2017-08-30 - Assignees: SpeedInnov - Applicants: SpeedInnov - Inventors: Paul Preiss; Pierre Debost; Etienne Grappein; Marion Faverger - Web page: https://patentgrep.com/patent/US10864925B2 ## CPC - B61C 17/04: Arrangement or disposition of driving cabins, footplates or engine rooms; Ventilation thereof (driving cabins and accessories B61D) - B61C 3/00: Electric locomotives or railcars (characterised by power transmission B61C9/00; electrical features B60L; H02) - B61D 27/0018: {Air-conditioning means, i.e. combining at least two of the following ways of treating or supplying air, namely heating, cooling or ventilating (air-conditioning in general F24F)} - B61D 27/009: {Means for ventilating only (ventilation in general F24F)} - H02K 9/04: having means for generating a flow of cooling medium - H05K 7/20909: {Forced ventilation, e.g. on heat dissipaters coupled to components} - B61C: LOCOMOTIVES; MOTOR RAILCARS (vehicles in general B60; frames or bogies B61F; special railroad equipment for locomotives B61J, B61K) - B61D: BODY DETAILS OR KINDS OF RAILWAY VEHICLES (vehicles in general B60; adaptation of vehicles to special systems B61B; underframes B61F) - H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53}) - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract The present invention relates to a power car for a high-speed train, including: a body; a traction motor; a rheostatic brake; a first ventilation device of said rheostatic brake; electrical control equipment; and a second ventilation device for said electrical equipment. The first ventilation device comprises a first air intake sheath, the inlet and outlet of which are located on the roof of the body. The second ventilation device comprises a second sheath, the inlet and outlet of which are respectively located on the roof of the body and below the body. Each ventilation device comprises a fan arranged in one of the sheaths. ## Claims ### Claim 1 A power car for a high-speed train, said power car comprising a body and at least one traction motor of said body, said body comprising a roof and a floor; the at least one traction motor being arranged under said floor, the body further comprising: a rheostatic brake arranged in an upper part of said body; a first ventilation device of said rheostatic brake; electrical equipment for controlling the at least one traction motor; and a second ventilation device of said electrical equipment; wherein: the first ventilation device comprises a first air intake sheath forming a closed pipe between an inlet and an outlet of the first air intake sheath; said inlet and outlet of the first air intake sheath being located respectively at the level of a first and second air inlet mouth located on the roof of the body; the second ventilation device comprises a second air intake sheath forming a closed pipe between an inlet and an outlet of the second air intake sheath; said inlet and outlet of the second air intake sheath being located respectively at the level of a third air inlet mouth located on the roof of the body and a fourth air inlet mouth located under the floor of the body; and each of the first and second ventilation devices comprises a fan arranged between each of said inlets and outlets, respectively of the first and second air intake sheaths. ### Claim 2 (depends on 1) The power car for a high-speed train according to claim 1, wherein the body further comprises at least a third ventilation device, said third ventilation device comprising a third air intake sheath, forming a closed pipe between an inlet and an outlet of the third air intake sheath, the inlet of the third air intake sheath being arranged on the roof of the body. ### Claim 3 (depends on 2) The power car for a high-speed train according to claim 2, wherein the third ventilation device comprises a third electric fan arranged in the third air intake sheath. ### Claim 4 (depends on 2) The power car for a high-speed train according to claim 2, wherein the body further comprises at least a fourth ventilation device, said fourth ventilation device comprising a fourth air intake sheath, forming a closed pipe between an inlet and an outlet of the fourth air intake sheath, the inlet of the fourth air intake sheath being arranged on the roof of the body. ### Claim 5 (depends on 4) The power car for a high-speed train according to claim 4, wherein the fourth ventilation device comprises a fourth electric fan arranged in the fourth air intake sheath. ### Claim 6 (depends on 2) The power car for a high-speed train according to claim 2, wherein: the body comprises an equipment room receiving electrical and/or electronic equipment of the power car; and the outlet of the third air intake sheath is arranged inside said equipment room. ### Claim 7 (depends on 2) The power car for a high-speed train according to claim 2, wherein the outlet of the third air intake sheath is open under the floor of the body, opposite the at least one traction motor. ### Claim 8 (depends on 1) The power car for a high-speed train according to claim 1, further including an electrical transformer connected to the at least one traction motor; said transformer being connected to a radiator located under the floor of the body; the outlet of the second air intake sheath of the second ventilation device opening opposite said radiator. ### Claim 9 (depends on 1) The power car for a high-speed train according to claim 1 wherein said train is configured for transporting passengers.