Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Reexamination Certificate
2006-02-28
2006-02-28
Gibson, Randy W. (Department: 2841)
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
C361S792000, C361S748000, C318S161000
Reexamination Certificate
active
07006356
ABSTRACT:
Driving system with converter control for low voltage three-phase motors, which is provided with a power unit containing transistors and capacitors, a triggering unit for the transistors and a control unit as well as connections for direct and alternating current, the units being disposed in a common casing made of a heat-conductive material, characterised by the following features: the power unit is provided with a first printed circuit board (24) made of fairly heat-conductive material, which is disposed on the fairly heat-conductive bottom of the casing (12) in a plane fitting arrangement, a second printed circuit board (26) contains the triggering unit, the second printed circuit board (26) being electrically and mechanically connected to the first printed circuit board (24) in a spacing to it with the aid of contact pins (30) of metallic material attached on the first printed circuit board (24) by soldering, and terminal pins (22) are connected with contact points (38) of the first printed circuit board (24) and lead through openings in the second printed circuit board (26) as well as in the cover (14) in an insulated manner.
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Bergmann Ulf
Hansen Nils-Peter
Hörmann Frank
Jonas Benjamin
Knieriem Michael
Bui Hung S.
Gibson Randy W.
Jungheinrich Aktiengesellschaft
Vidas Arrett & Steinkraus P.A.
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