Centrifuge having a lubricant system that delivers lubricant in temporally discrete pulses

摘要

Disclosed is a centrifuge including a rotatable centrifugal drum and a drive spindle to drive the centrifugal drum. The drive spindle is rotatably mounted via a bearing in a housing supported elastically on a machine framework. Further included is a drive device including a drive motor to rotate the drive spindle and a lubricant system to lubricate the bearing. The lubricant system is configured to deliver lubricant from a lubricant supply tank through a lubricant channel into a region of the bearing. An injection device is arranged downstream of the lubricant-supply tank and is configured to deliver the lubricant into the region of the bearing by dispensing quantities of lubricant in temporally discrete pulses with a limited-time air stream. A method is disclosed of directing lubricant into a region of a bearing of the centrifuge as noted above.

主权项

1. A centrifuge comprising:
a rotatable centrifugal drum; a drive spindle to drive the centrifugal drum, which drive spindle is rotatably mounted via a bearing in a housing supported elastically on a machine framework; a drive device including a drive motor to rotate the drive spindle; a lubricant system to lubricate the bearing, the lubricant system configured to deliver lubricant from a lubricant-supply tank through a lubricant channel into a region of the bearing; and an injection device, arranged downstream of the lubricant-supply tank, is configured to deliver the lubricant into the region of the bearing by dispensing quantities of lubricant in temporally discrete pulses with a limited-time air stream, wherein the bearing includes a neck bearing and a foot bearing and the lubricant is delivered into a region of the neck bearing or into a region above the neck bearing, wherein the injection device has positioned downstream of it a lubricant-feed line by which the lubricant is delivered into the region of the neck bearing or into the region above the neck bearing, wherein the lubricant-feed line passes through a bore in the housing, and the lubricant flows out through the neck bearing and from there through a discharge channel into the foot bearing and then through another discharge channel in a belt pulley into a lubricant-intercepting tank.