Lubricating oil supply structure in planetary gear mechanism

Details Lubricating oil supply structure in planetary gear mechanism Lubricating oil supply structure in planetary gear mechanism

1996-04-01

1997-07-01

Marmor, Charles A.

Planetary gear transmission systems or components

With lubricaton

475348, 184 612, F16H 5704

Patent

active

056431260

ABSTRACT:
A planetary gear mechanism includes a planetary carrier and pinions rotatably carried on the planetary carrier through pinion shafts. An annular lubricating oil supply member is mounted on a ring gear supporting member which supports a ring gear on its outer periphery and which is rotatable. The lubricating oil supply member has a plurality of fins formed radially thereon. The lubricating oil received within the lubricating oil supply member while submerged in the lubricating oil is scattered by a centrifugal force and supplied to oil reservoirs defined in the adjacent side of the planetary carrier and then from the oil reservoirs via oil passages in the pinion shafts to the needle bearing which supports the pinions. With the above construction, it is possible to effectively supply the lubricating oil to the pinion shafts of the planetary gear mechanism when the planetary is in a fixed position.

REFERENCES:
patent: 4480492 (1984-11-01), Fujioka et al.
patent: 4848177 (1989-07-01), Miura et al.
patent: 4892011 (1990-01-01), Nishida et al.
patent: 5131498 (1992-07-01), Kato et al.
patent: 5456476 (1995-10-01), Premiski et al.
patent: 5472383 (1995-12-01), McKibbin
patent: 5480362 (1996-01-01), Tanaka et al.

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