System for reducing oil migration from a transmission

Details System for reducing oil migration from a transmission System for reducing oil migration from a transmission

1992-10-28

1995-04-11

Look, Edward K.

Lubrication

Systems

Gearing

184 616, 184 623, 184 627, 184 131, 4151221, F01M 1100

Patent

active

054049644

ABSTRACT:
A gear shroud is provided in close surrounding relationship to the drive gear of a centrifugal compressor such that the turbulence within the surrounding gear housing is substantially reduced and the resulting high speed flow of refrigerant is instead directed into an adjacent oil sump. In order to prevent localized churning in the sump and the resulting cavitation at the oil pump as might be caused by the high velocity flow of refrigeration gas from the gear shroud, a baffle is provided over the oil pump to divert the inflow of gas into other areas of the sump.

REFERENCES:
patent: 1191217 (1916-07-01), Oderman
patent: 2485417 (1949-10-01), Steenstrup
patent: 2504748 (1950-04-01), Steenstrup
patent: 3006439 (1961-10-01), Molinaro
patent: 3734637 (1973-05-01), Beck, Jr.
patent: 3853433 (1974-12-01), Roberts et al.
patent: 4389160 (1983-06-01), Onal
patent: 4488730 (1984-12-01), Grachtrup
patent: 4683771 (1987-08-01), Sogo et al.
patent: 4938664 (1990-07-01), Zinsmeyer

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