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U.S. Department of Energy
Office of Scientific and Technical Information

Venting mechanism

Patent ·
OSTI ID:5567131
This patent describes a venting mechanism for a drive axle assembly or the like. It comprises: a housing with an interior and an exterior, a gear assembly arranged in the housing, the housing being filled with a lubricant up to a predetermined level, and a flow of the lubricant being formed in the housing above the predetermined level when the gear assembly is operated, the venting mechanism comprising: a tube member mounted on the housing above the predetermined level and extending through a wall of the housing to allow for passage of air between the interior and the exterior of the housing, and a deflector vane pivotally attached at an open end of the tube member in the interior of the housing to prevent passage of lubricant out of the housing through the open end of the tube member.
Assignee:
General Motors Corp., Detroit, MI (USA)
Patent Number(s):
US 4970913; A
Application Number:
PPN: US 7-383902
OSTI ID:
5567131
Country of Publication:
United States
Language:
English

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