Patent attributes
A refrigerator according to an embodiment of the present invention includes: a compressor configured to compress a refrigerant; and an inverter module configured to control the compressor, wherein the inverter module includes: a heatsink provided with a cooling passage through which coolant passes; a coolant inlet connected to the heatsink to communicate with an inlet of the cooling passage; a coolant outlet connected to the heatsink to communicate with an outlet of the cooling passage; at least one insulated gate bipolar transistor (IGBT) disposed on a top surface of the heatsink; and at least one diode disposed to be spaced apart from the IGBT on the top surface of the heatsink, wherein the cooling passage includes: an IGBT cooling passage that is closer to the coolant inlet among the coolant inlet and the coolant outlet; and a diode cooling passage that is closer to the coolant outlet among the coolant inlet and the coolant outlet, wherein the diode cooling passage is disposed behind the IGBT cooling passage in a flow direction of the coolant.
