US 12,011,983 B2
Vehicle provided with two electric motors
Giovanni Lo Calzo, Modena (IT); Ugo Sitta, Modena (IT); Christian Montebello, Modena (IT); and Alessandro Di Blasio, Modena (IT)
Assigned to FERRARI S.P.A., Modena (IT)
Filed by FERRARI S.p.A., Modena (IT)
Filed on May 13, 2022, as Appl. No. 17/743,522.
Claims priority of application No. 102021000013679 (IT), filed on May 26, 2021.
Prior Publication US 2022/0379701 A1, Dec. 1, 2022
Int. Cl. B60K 1/00 (2006.01); B60K 7/00 (2006.01); B60L 58/26 (2019.01)
CPC B60K 1/00 (2013.01) [B60K 7/0007 (2013.01); B60L 58/26 (2019.02); B60K 2001/001 (2013.01); B60K 2007/0092 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A vehicle (1) comprising:
two front wheels (2);
two rear wheels (2);
two electric motors (4), which are connected to the two wheels (2) of a same axle; and
one single common electronic power converter (6) to control both electric motors (4) and comprising, in turn:
two groups (11) of power modules (10), each designed to power with an alternating current one single phase of the electric motor (4);
at least one capacitor (12), which is connected in parallel to a DC input;
a container (9), which houses the two groups (11) of power modules (10) and the capacitor (12) and is provided with a cup-shaped body (13) provided with a lower wall (18); and
a cooling system (14) provided with a chamber (15), which is configured to be flown through by a cooling liquid and is delimited, on one side, by the lower wall (18) of the cup-shaped body (13) of the container (9) and, on the other side, by a containing wall (19), which is arranged at a given distance from the lower wall (18);
wherein the chamber (15) has one single cooling liquid inlet (16) arranged at the centre and two cooling liquid outlets (17) arranged on the sides; and
wherein each cooling liquid outlet (17) is connected to a cooling system of a corresponding electric motor (4).