Frequency converter

Details Frequency converter Frequency converter

2007-09-18

2007-09-18

Chervinsky, Boris (Department: 2835)

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

C361S690000, C361S697000, C174S016100, C174S016300, C165S080300, C454S184000

Reexamination Certificate

active

11398643

ABSTRACT:
A frequency converter includes a circuit substrate, a housing that covers at least the circuit substrate, a radiating section in which gases at an intake face are exhausted from an exhaust face so as to radiate heat, a fan provided on the exhaust face of the radiating section, and a guide provided on the housing to direct gases around the circuit substrate toward the intake face.

REFERENCES:
patent: 4035711 (1977-07-01), Piller
patent: 4237521 (1980-12-01), Denker
patent: 4520425 (1985-05-01), Ito
patent: 5424915 (1995-06-01), Katooka
patent: 6477053 (2002-11-01), Zeidan
patent: 6621700 (2003-09-01), Roman
patent: 6909602 (2005-06-01), Dietrich
patent: 2001/0038526 (2001-11-01), Kajiura
patent: 2002/0026996 (2002-03-01), Krieger
patent: 0 356 991 (1990-03-01), None
patent: 7-95771 (1995-04-01), None

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