Carbon brush with disconnection apparatus

摘要

A carbon brush with a disconnection apparatus in a cavity in a brush body includes a disconnection body and a prestressed compression-spring body. The disconnection body consists of an electrically insulating material, and the prestressed compression-spring body is configured to act resiliently on the disconnection body. The compression-spring body is formed together with the disconnection body as a short component with a short axial length. In one embodiment, the compression-spring body is in the form of a spring with a plurality of spring turns which, at least in the prestressed, compressed state, are at least partially located one inside the other, shortening them.

主权项

1. A carbon brush with disconnection apparatus, comprising:
a brush body defining a cavity; a disconnection body including electrically insulating material; and a prestressed compression-spring body configured to act resiliently on the disconnection body, the compression-spring body configured to move between a compressed state and an uncompressed state, wherein the compression-spring body is formed together with the disconnection body as a short component with a short axial length, wherein the disconnection body and the compression-spring body are received entirely within the cavity in the brush body when the compression-spring body is in the compressed state, wherein an open end of the cavity has a recess with a larger diameter than a diameter of the cavity, wherein a separating disk on which the compression-spring body is supported is accommodated in the recess, and wherein a coil of the compression-spring body is accommodated in the recess between the separating disk and the brush body.