US Patent No. 10,660,242

ELECTRIC VEHICLE INVERTER MODULE HEAT SINK


Patent No. 10,660,242
Issue Date May 19, 2020
Title Electric Vehicle Inverter Module Heat Sink
Inventorship Yunan Song, Santa Clara, CA (US)
Colin Haag, Santa Clara, CA (US)
Zhong Nie, Santa Clara, CA (US)
Duanyang Wang, Santa Clara, CA (US)
Yifan Tang, Santa Clara, CA (US)
Assignee CHONGQING JINKANG NEW ENERGY VEHICLE CO., LTD., Chongqing (CN) SF MOTORS, ...

Claim of US Patent No. 10,660,242

1. A heat sink module of an inverter module to power an electric vehicle, comprising:a heat sink body having a plurality of mounting holes, a fluid inlet and a fluid outlet;
the heat sink body having an orifice with a first set of dimensions and a first shape;
a cooling channel formed in the heat sink body;
the cooling channel fluidly coupled with the fluid inlet and the fluid outlet;
an insulator plate coupled with the heat sink body;
the insulator plate having a plurality of extended surfaces that extend into the cooling channel;
the insulator plate having a first surface and a second surface;
the insulator plate having an orifice with the first set of dimensions and the first shape;
the second surface of the insulator plate couples with a joining surface of the heat sink body to seal the cooling channel;
a heat sink lid disposed over the first surface of the insulator plate;
the heat sink lid having an orifice with the first set of dimensions and the first shape; and
the heat sink lid having a plurality of mounting feet to couple with the mounting holes of the heat sink body to secure the heat sink lid to the heat sink body.