Gear unit lubrication

Details Gear unit lubrication Gear unit lubrication

2007-05-08

2007-05-08

Le, David D. (Department: 3681)

Planetary gear transmission systems or components

With lubricaton

C074S467000, C184S006120

Reexamination Certificate

active

10940724

ABSTRACT:
A gear unit includes a planet gear rotatable about a sun gear and supported by a planet carrier, the planet carrier including an annular formation for flow of lubricant and which is substantially concentric with the major axis about which the planet carrier is rotatable, and the gear unit including a housing having at least one lubricant supply position provided at a position radially aligned with the annular formation of the planet carrier as considered relative to the major axis about which the planet carrier rotates, and the planet carrier including flow paths for flow of lubricant from the annular formation to a planet gear bearing. The invention also discloses a method of lubricating a gear unit.

REFERENCES:
patent: 3960029 (1976-06-01), Eichinger
patent: 4131169 (1978-12-01), Eickhoff et al.
patent: 5472383 (1995-12-01), McKibbin
patent: 5643127 (1997-07-01), Yoshii et al.
patent: 5663600 (1997-09-01), Baek et al.
patent: 6223616 (2001-05-01), Sheridan
patent: 6561945 (2003-05-01), Shattuck et al.
patent: 2003/0027680 (2003-02-01), Wildeshaus
patent: 199 60 157 (2001-06-01), None
patent: 0 731 291 (1996-09-01), None

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