D.C. to A.C. inverter having improved structure providing improv

Details D.C. to A.C. inverter having improved structure providing improv D.C. to A.C. inverter having improved structure providing improv

1986-04-28

1989-10-03

Beha, Jr., William H.

Electric power conversion systems

Current conversion

With cooling means

307150, 361383, 361388, 363132, H02M 7537

Patent

active

048721026

ABSTRACT:
A DC to AC power inverter has an improved construction providing for substantially improved thermal disipation, reliability, and efficiency; the inverter has a unitary combination frame and heat diffuser with a pair of opposed U-shaped sections at right angles to each other and with a common base, a cover, a transformer, a primary internal heat sink inside of and on the frame, a plurality of power switches fastened on the internal heat sink, a printed circuit board fastened to and spaced from the heat sink with leads from the switches connected to the board, the transformer is fastened onto the frame in heat exchange relationship and part of the coil extends through the frame into an air passageway. All of the wiring access is on a field wiring end and the opposite end is a control end with the switches and circuit board; an improved arrangement of components and leads provides discrete separation of the high and low voltage components and leads. The inverter is extremely effective at heat disipation and has been UL tested and approved.

REFERENCES:
patent: 2555630 (1951-06-01), Bishner
patent: 3200296 (1965-08-01), Bruestle
patent: 3316454 (1967-04-01), Donath et al.
patent: 3790860 (1974-02-01), Verdisco
patent: 3857044 (1974-12-01), Papoi et al.
patent: 3909679 (1975-09-01), Petri
patent: 4177499 (1979-12-01), Volkmann
patent: 4365288 (1982-12-01), Robe et al.
patent: 4394706 (1983-07-01), Crafts

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