US 12,250,796 B2
Power conversion device
Hirokazu Takabayashi, Tokyo (JP)
Assigned to Mitsubishi Electric Corporation, Tokyo (JP)
Appl. No. 17/800,036
Filed by Mitsubishi Electric Corporation, Tokyo (JP)
PCT Filed Mar. 31, 2020, PCT No. PCT/JP2020/014762
§ 371(c)(1), (2) Date Aug. 16, 2022,
PCT Pub. No. WO2021/199252, PCT Pub. Date Oct. 7, 2021.
Prior Publication US 2023/0073236 A1, Mar. 9, 2023
Int. Cl. H05K 7/20 (2006.01); H02M 7/00 (2006.01); H02M 7/537 (2006.01); H05K 7/14 (2006.01); H02P 27/06 (2006.01)
CPC H05K 7/20936 (2013.01) [H02M 7/003 (2013.01); H02M 7/537 (2013.01); H05K 7/1432 (2013.01); H05K 7/20336 (2013.01); H05K 7/209 (2013.01); H02P 27/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A power conversion apparatus, comprising:
a power converter comprising electronic components, the power converter being configured to convert fed electric power into electric power to be fed to a load and feed the converted electric power to the load;
a housing disposed on a roof of a vehicle, the housing having an opening on a top in a vertical direction, the housing being configured to accommodate the electronic components;
a heat-receiving block attached to the housing, the heat-receiving block having one main surface to which the electronic components are attached, the heat-receiving block being configured to close the opening; and
at least one heat pipe attached to another main surface of the heat-receiving block and extending in a direction away from the heat-receiving block, the at least one heat pipe being configured to accommodate refrigerant therein, wherein
the housing is attached to the roof such that the housing is attachable to and detachable from the roof in the vertical direction while the vehicle is horizontally oriented.