Machine element or mechanism – Gearing – Lubrication
Patent
1986-07-17
1987-12-29
Braun, Leslie A.
Machine element or mechanism
Gearing
Lubrication
184 612, F01M 910, F16H 5704
Patent
active
047152443
ABSTRACT:
A self-scavenging gear box lubrication system is disclosed and includes a gear box housing having at least one gear chamber providing relatively close confirmation with meshing gears rotatably mounted in the chamber. Lubricating fluid is delivered to the chamber for lubricating and cooling the gears. At least one collecting cavity for the lubricating fluid is provided in the housing separate from the gear chamber. A passage communicates between the gear chamber and the collecting cavity for passing fluid from the chamber to the cavity under the influence of centrifugal action effected by rotation of the meshing gears, whereby the fluid can be scavenged from the cavity by an appropriate lubrication pump. The passage is oriented generally tangentially of at least one of the meshing gears, and the passage is of restricted dimensions to provide a positive inlet presure to prevent backflow from the collecting cavity into the gear chamber at all attitudes.
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Byrd William A.
Smith Anthony R.
Braun Leslie A.
Meter Joseph J.
Sundstrand Corporation
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