Patent ID: 11867127
Assignee: ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A planetary gear box, comprising:
a flow guidance device for a planet gear lubricant stream in the planetary gear box, which is directed at least partially along a planet gear, after an engagement with a sun gear,
a collecting region of the flow guidance device in which the planet gear lubricant stream between the planet gear and the flow guidance device is at least partially captured,
wherein the collecting region has an outlet region between the flow guidance device and a tooth face of the planet gear for at least a part of the planet gear lubricant stream, and
an edge arranged at the outlet region for defined constriction of a passage for the planet gear lubricant stream, wherein the edge is a sharp edge having an included angle between faces of less than 90° and is angled backward toward a rotational direction of the tooth face of the planet gear.