# US 2021/0281144 A1 · Cooling radiator for motor fan unit > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0281144 A1 - Document ID: US20210281144A1 - Status: Published application - Kind: A1 - Application number: 17/253,252 - Filed: 2019-06-19 - Published: 2021-09-09 - Earliest claimed: 2018-06-21 - Assignees: Valeo Systemes Thermiques - Applicants: Valeo Systemes Thermiques - Inventors: Kamel Azzouz; Amrid Mammeri - Web page: https://patentgrep.com/patent/US20210281144A1 ## CPC - H02K 11/33: Drive circuits, e.g. power electronics (H02K11/38 takes precedence) - B60K 11/02: with liquid cooling - B60K 11/06: with air cooling - H02K 5/18: with ribs or fins for improving heat transfer - H02K 5/20: with channels or ducts for flow of cooling medium - H02K 5/203: {specially adapted for liquids, e.g. cooling jackets} - H02K 21/22: with magnets rotating around the armatures, e.g. flywheel magnetos - H02K 7/14: Structural association with mechanical loads, e.g. with hand-held machine tools or fans (with fan or impeller for cooling the machine H02K9/06) - H02K 2211/03: Machines characterised by circuit boards, e.g. pcb - H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53}) - B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES ## Abstract The invention relates to a cooling radiator (1) intended to be incorporated in a motorized fan unit (70) of a motor vehicle, comprising a transverse wall (10) extended perpendicularly at its perimeter by a peripheral wall (11) so as to define an internal volume (14). At least one wall of the cooling radiator (1) forms a support for at least one portion (40) of a cooling circuit in which a cooling fluid circulates. Application to motor vehicles. ## Claims ### Claim 1 A cooling radiator for a motorized fan unit of a motor vehicle, comprising: a transverse wall extended perpendicularly at its perimeter by a peripheral wall so as to define an internal volume, wherein at least one wall of the cooling radiator forms a support for at least one portion of a cooling circuit in which a cooling fluid circulates. ### Claim 2 (depends on 1) The cooling radiator as claimed in claim 1, wherein the portion of the cooling circuit has a duct formed in the thickness of one wall of the cooling radiator. ### Claim 3 (depends on 2) The cooling radiator as claimed in claim 2, wherein the duct of the cooling circuit is arranged at an equal distance from an internal face or from an external face of the corresponding wall of the cooling radiator. ### Claim 4 (depends on 2) The cooling radiator as claimed in claim 2, wherein the cooling circuit has two tubes for the supply and outlet of a cooling fluid in fluidic communication with the duct, the tubes being disposed in a manner protruding from one wall of the cooling radiator in the transverse continuation of two ends of the duct. ### Claim 5 (depends on 4) The cooling radiator as claimed in claim 4, wherein the mean section of a tube is larger than a mean section of the duct of the cooling circuit. ### Claim 6 (depends on 1) The cooling radiator as claimed in claim 1, wherein the internal face of the transverse wall comprises at least one cavity for receiving an electronic component of the motorized fan unit consisting of a control unit of an electric motor, and for a window for an air flow coming from the fan of the motorized fan unit to pass through, the cooling circuit being configured to pass as close as possible to said at least one cavity or window. ### Claim 7 (depends on 1) The cooling radiator as claimed in claim 1, wherein the duct of the cooling circuit contains water, or an aqueous solution containing ethylene glycol, forming the cooling fluid. ### Claim 8 (depends on 1) The cooling radiator as claimed in claim 1, wherein the transverse wall and/or the peripheral wall has fins configured to promote heat dissipation at said cooling radiator. ### Claim 9 An electric motor configured to be incorporated in a motorized fan unit of a motor vehicle, the electric motor comprising: a cooling radiator comprising: a transverse wall extended perpendicularly at its perimeter by a peripheral wall so as to define an internal volume, wherein at least one wall of the cooling radiator forms a support for at least one portion of a cooling circuit in which a cooling fluid circulates, the electric motor and the cooling radiator being arranged such that the internal volume of the cooling radiator faces away from the electric motor. ### Claim 10 A motorized fan unit of a motor vehicle comprising: an electric motor comprising: a cooling radiator having a transverse wall extended perpendicularly at its perimeter by a peripheral wall so as to define an internal volume, wherein at least one wall of the coolin radiator forms a support for at least one portion of a cooling circuit in which a cooling fluid circulates, the electric motor and the cooling radiator being arranged such that the internal volume of the cooling radiator faces away from the electric motor; and a fan that is set in rotation by the electric motor.