Patent ID: 11949338
Assignee: FUJI ELECTRIC CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A power converter comprising:
a positive terminal;
a negative terminal;
multiple output terminals;
a capacitor including a first capacitor electrode and a second capacitor electrode;
a plurality of high-side switching elements each including a first main electrode and a second main electrode;
a plurality of low-side switching elements each including a third main electrode and a fourth main electrode;
a positive busbar electrically connected to the positive terminal, the first capacitor electrode, and first main electrodes;
a negative busbar electrically connected to the negative terminal, the second capacitor electrode, and fourth main electrodes;
a plurality of output busbars electrically connected to the multiple output terminals, second main electrodes, and third main electrodes, respectively;
a cooler for cooling the plurality of high-side switching elements and the plurality of low-side switching elements;
an inlet port into which a coolant flows;
an outlet port from which the coolant flows out;
a supply tube for supplying the coolant flowing from the inlet port to the cooler;
a discharge tube for discharging the coolant flowing out from the cooler, into the outlet port; and
a housing that accommodates
the capacitor,
the plurality of high-side switching elements,
the plurality of low-side switching elements,
the positive busbar,
the negative busbar,
the plurality of output busbars,
the cooler,
the supply tube, and
the discharge tube,

wherein the positive terminal, the negative terminal, the plurality of output terminals, the inlet port, and the outlet port are exposed from the housing,
wherein the housing includes
a first surface on which the multiple output terminals are exposed,
a second surface facing the first surface,
a third surface adjacent to the first surface and the second surface, and
a fourth surface facing the third surface,

wherein the plurality of output busbars are located between the first surface and the cooler,
wherein the cooler is located between the capacitor and the output busbars,
wherein the capacitor is located between the second surface and the cooler,
wherein the cooler includes
a cooling tube extending in a first direction in which the third surface and the fourth surface face each other,
a first end in one side in the first direction, and
a second end in another side in the first direction,

wherein the supply tube and the discharge tube are disposed in at least one space among a space between the first surface and the first end, a space between the first surface and the second end, a space between the second surface and the first end, and a space between the second surface and the second end,
wherein the positive terminal, the negative terminal, the multiple output terminals, the inlet port, and the outlet port are exposed from the housing, and
wherein the inlet port, the outlet port, the supply tube, and the discharge tube are separate members from the housing.