Car side window kinematics |
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Authors: | A Gfrerrer J Lang A Harrich M Hirz J Mayr[Author vitae] |
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Affiliation: | aInstitute of Geometry, Graz University of Technology, Austria;bInstitute of Automotive Engineering, Graz University of Technology, Austria |
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Abstract: | It is a demanding and time-consuming task to construct the side window mechanism of a car such that the deflections along the seals are minimized. The reason for this is that the window surface S delivered by the stylist, will in general not be movable in a proper way: It is required that the surface tightly moves along the seals. Deflections will necessarily occur no matter how much effort the engineer invests. This article describes how to find a spatial motion that minimizes seal deflection for some given automobile side window surface. Necessary but acceptable modification of the stylist’s surface S is also addressed, as well as the lifting mechanism design. It is argued that our systematic approach offers considerable savings compared to the prevailing trial-and-error approach. |
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Keywords: | Space kinematics Car side window Window lifter mechanism |
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