Means for feeding oil between counterrotating shafts

Details Means for feeding oil between counterrotating shafts Means for feeding oil between counterrotating shafts

1983-05-02

1984-06-12

Petrakes, John

Cutlery

184 611, 415111, 415175, F16C 3366, F01D 2518

Patent

active

044537840

ABSTRACT:
Concentric, counterrotating shafts include means for bringing oil from within the inner shaft across an annular gap between the two shafts into oil scoops which rotate with the outer shaft. To minimize the splashing of oil as it travels across the annular gap between the two shafts a plurality of separate, circumferentially spaced apart oil compartments are disposed around the outer circumference of the inner shaft and rotate therewith. Oil from within the inner shaft travels radially outwardly through passageways in the shaft into the oil compartments whereupon the radial velocity of the oil is reduced to zero. The oil leaves the compartment through outlets and is slung across the gap between the shafts whereupon it is captured by oil scoops and is fed to its final destination, such as to a bearing race disposed radially outwardly of the outer shaft. By reducing the radial velocity of the oil to zero after it is passed through the inner shaft and prior to its being slung across the annular gap between the shafts, the amount of splashing of the oil is reduced.

REFERENCES:
patent: 2929663 (1960-03-01), Hoeltje
patent: 3243243 (1966-03-01), Diver et al.
patent: 3756672 (1973-09-01), Hibner et al.
patent: 4265334 (1981-05-01), Benhase, Jr.
patent: 4378197 (1983-03-01), Cattaneo et al.

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