| 摘要 |
In gear pumps having an automatic lubricator, channels are provided for the delivery to and the discharge from the pump bearings, of lubricant, which consists of and is withdrawn from the medium to be conveyed. The conveying means for conveying the lubricant through the channels are mounted in the shafts of the gear pump. The channels can connect the suction side or the delivery side or the suction and delivery sides of the pump to the pump bearing.
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