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专利名称：Device for transmission of electrical currents
and rotating machine parts
发明人：Anton Kunz申请号：US07/122117申请日：19871117公开号：US048494A公开日：191226
摘要：A current-conducting bearing or contact bearing includes contact- makingsurfaces of a bearing bolt and a shaft fashioned as an axial cone and a hollow cone,respectively. With a suitable choice of materials of the current conducting parts, such asspecial bronzes, an allowable current load of up to 200 amperes per square cm ispossible, compared to 4 amperes per square cm in the case of hard carbon and 25-30amperes per square cm in the case of bronze carbon of traditional brushes in slip rings ofelectric machines.
申请人：BALZERS AKTIENGESELLSCHAFT
代理机构：McGlew & Tuttle
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