Geartrain coupling for a turbofan engine

Details Geartrain coupling for a turbofan engine Geartrain coupling for a turbofan engine

2006-04-04

2006-04-04

Rodriguez, William H. (Department: 3746)

Power plants

Reaction motor

Interrelated reaction motors

C060S262000, C384S913000

Reexamination Certificate

active

07021042

ABSTRACT:
Molybdenum disulfide (MoS2) is used as a journal coating for a gearing system. A particular application is the planetary gear system of a geared turbofan engine. Particularly advantageous coatings are deposited via physical vapor deposition (PVD) techniques.

REFERENCES:
patent: 2787603 (1957-04-01), Palsullch et al.
patent: 3922852 (1975-12-01), Drabek
patent: 4251987 (1981-02-01), Adamson
patent: 4751816 (1988-06-01), Perry
patent: 4799354 (1989-01-01), Midgley
patent: 4827712 (1989-05-01), Coplin
patent: 4887424 (1989-12-01), Geidel et al.
patent: 5010729 (1991-04-01), Adamson et al.
patent: 5107676 (1992-04-01), Hadaway et al.
patent: 5349814 (1994-09-01), Ciokajlo et al.
patent: 6158893 (2000-12-01), Heshmat
patent: 6284366 (2001-09-01), Konig et al.
patent: 6517249 (2003-02-01), Doll
patent: 6622473 (2003-09-01), Becquerelle et al.
patent: 6655842 (2003-12-01), Kanayama et al.
patent: 6732606 (2004-05-01), Zhu et al.
patent: 6815400 (2004-11-01), Jee et al.
patent: 705067 (1954-03-01), None
Chhowalla et al. “Thin films of fullerence-like MOS2 nanoparticles with ultra-low friction and wear”, Engineering Department, University of Cambridge, pp. 164-167, Jun. 2000.
Zabinski et al. “The effects of dopants on the chemistry and tribology of sputter-deposited MOS2 films”, Tribology Transactions, vol. 38, pp. 894-904, Oct. 1995.
S.W. Kandebo, Pratt & Whitney Launches Geared Turbofan Engine, Aviation Week & Space Technology, Feb. 23, 1998, pp. 32-34.

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