Inverter with incorporated filter circuit and improved component

Details Inverter with incorporated filter circuit and improved component Inverter with incorporated filter circuit and improved component

1997-12-31

1999-05-18

Riley, Shawn

Electric power conversion systems

Current conversion

With cooling means

363147, 363 44, H02M7/44

Patent

active

059056479

ABSTRACT:
An inverter includes an inverter circuit, a rectifier circuit, a filter circuit including an input side capacitor, a coil, and an output side capacitor, the filter circuit being disposed at a front stage of the rectifier circuit, a casing accommodating the inverter circuit, the rectifier circuit and the filter circuit, a first cooling chamber defined in the casing, a second cooling chamber defined in the casing and partitioned by a partition wall from the first cooling chamber so as to be adjacent to it, a plurality of vent holes formed in the partition wall, and a fan for supplying a cooling air into the first cooling chamber and further via the vent holes into the second cooling chamber. The inverter circuit is cooled by the cooling air flowing into the first cooling chamber and the coil of the filter circuit is cooled by the cooling air flowing through the second cooling chamber.

REFERENCES:
patent: 4070701 (1978-01-01), Harnden, Jr. et al.
patent: 4849950 (1989-07-01), Sugiura et al.

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