Electricity: electrical systems and devices – Electrolytic systems or devices – Liquid electrolytic capacitor
Reexamination Certificate
1999-11-19
2001-07-10
Dinkins, Anthony (Department: 2831)
Electricity: electrical systems and devices
Electrolytic systems or devices
Liquid electrolytic capacitor
C361S535000
Reexamination Certificate
active
06259595
ABSTRACT:
The invention relates to an electrical component, particularly an aluminum electrolyte capacitor, which is installed in a metallic housing with a planar housing floor or base, in which the housing is pressed against a heat dissipation plate with the aid of screwable tension elements arranged adjacent the housing wall. The tension elements comprise a peak at a face that faces the housing wall, and in which the tension elements have a borehole that is arranged parallel to the faces, and the elements deform the housing in the fixing process.
A component of this type is taught in DE 43 31 377 A 1. Due to a particular construction of the borehole, the known tension element is initially situated at a slant and is then keyed to the housing by turning the screws. However, the slanted positioning complicates the insertion of the screws into the assembly holes, or respectively, into the threading in the assembly plate.
SUMMARY OF THE INVENTION
It is the object of the invention to propose an Electrical component of the above type in which the housing can be easily pressed on to the heat dissipation plate.
This object is inventively achieved in that the housing has an indentation in the clamping region of the tension elements which serves as an aid to assembly, and that subsequent to the fixing process the center line of the indentation is arranged higher than the peak of the tension elements.
The indentation may be a circumferential bead or a series of indentations which are only located in the region of the tension or fastening elements. The peak of the tension or fastening element is preferably formed by two surfaces which are inclined toward each other. The borehole of the element preferably has an expanded portion or counterbore.
The subject matter of the invention is detailed below with the aid of the exemplifying embodiments.
The following are shown in the drawings:
REFERENCES:
patent: 43 31 377 (1995-03-01), None
Hebel Rainer
Schweikert Wilhelm
Dinkins Anthony
Schiff & Hardin & Waite
Siemens Matsushita Components GmbH & Co. KG
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