DC to AC inverter with improved forced air cooling method and ap

Details DC to AC inverter with improved forced air cooling method and ap DC to AC inverter with improved forced air cooling method and ap

1991-08-21

1992-12-08

Stephan, Steven L.

Electric power conversion systems

Current conversion

With cooling means

361384, H05K 120

Patent

active

051703360

ABSTRACT:
An improved DC to AC electrical inverter has a new and improved method and apparatus with forced air ventilation cooling that significantly increases sustainable AC power output. The methods include the steps of forcing an air flow out of the inverter enclosure and over an external heat sink, and forcing an air flow through a special power transformer between the windings and the core. The apparatus has at least one fan, an air outlet and structure for guiding and directing a forced air flow to and over an external heat sink for the power switches. A structure to continuously force cooling air through the power transformer is also provided.

REFERENCES:
patent: 3454916 (1969-07-01), Hoover
patent: 4035715 (1977-07-01), Wyman et al.
patent: 4237521 (1980-12-01), Denker
patent: 4500944 (1985-02-01), Roberts et al.
patent: 4691274 (1987-09-01), Matouk et al.
patent: 4797782 (1989-01-01), Wistling
patent: 4817865 (1989-04-01), Wray
patent: 4872102 (1989-10-01), Getter
patent: 4890050 (1989-12-01), MacKevich

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