Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Reexamination Certificate
2011-01-18
2011-01-18
Datskovskiy, Michael V (Department: 2835)
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
C361S679530, C361S704000, C361S710000, C361S719000, C363S141000, C363S142000
Reexamination Certificate
active
07872868
ABSTRACT:
A mounting structure for a power module, in which a power module and a heat sink can be easily separated without additional labor and time and without requiring an extra disassembly space in a product and in which parts are not damaged during the disassembly. In the heat sink (5a), screw holes (7a) having female screw threads into which power module fixing screws (2a) are screwed are formed so as to penetrate a power module mounting surface (5c) of the heat sink (5a) and heat radiation fins (9a). The power module fixing screw (2a) is constructed such that, to mount the power module (3) on the heat sink (5a), the screw head of the power module fixing screw (2a) is tightened from the printed circuit board (4a) side with a tool (8a) and that, to remove the power module (3) from the heat sink (5a), the power module fixing screw (2a) is loosened with the tool (8a) from the heat radiation fin (9a) side on the opposite side of the screw head.
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International Search Report of PCT/JP2007/068917, date of mailing Dec. 11, 2007.
Datskovskiy Michael V
Kabushiki Kaisha Yaskawa Denki
Westerman Hattori Daniels & Adrian LLP
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