Patent ID: 8530789

Claim:
A power module cartridge for a welder comprising: a lower chassis tray dimensioned to fit inside an external case of a welder, the lower chassis tray including a lower fan mounting receptacle, a lower capacitor mounting receptacle, a lower first rectifier mounting slot, and a lower transformer mounting receptacle; an upper chassis tray dimensioned to fit inside said external case of said welder, the upper chassis tray including an upper fan mounting receptacle, an upper capacitor mounting receptacle, an upper first rectifier mounting slot, and an upper transformer mounting receptacle; said lower and upper chassis trays being mirror images of each other, said lower chassis tray having an upwardly-facing floor and said upper chassis tray having a downwardly-facing ceiling; a fan snugly received in the lower and upper fan mounting receptacle; a capacitor snugly received in the lower and upper capacitor mounting receptacle; a rectifier including a first plate received in the lower and upper first rectifier mounting slot; a transformer received in the lower and upper transformer mounting receptacle; and adjustable inserts for retaining the transformer in said lower and upper chassis trays, and further wherein the lower and upper chassis trays further having openings formed in a floor and a ceiling of the transformer mounting receptacles and the inserts are received in the openings adapted to retain the transformer, and still further wherein an opposed side of said upwardly-facing floor of said lower chassis tray and an opposed side of said downwardly-facing ceiling of said upper chassis tray, each having a clip adapted for receipt of a circuit board; said power module cartridge further including at least one circuit board for insertion into said clip on said opposed side of said downwardly-facing ceiling of said upper chassis tray.