Self-pumping hydrodynamic radial sliding bearing

Details Self-pumping hydrodynamic radial sliding bearing Self-pumping hydrodynamic radial sliding bearing

1987-11-19

1988-08-16

Petrakes, John

Bearings

Rotary bearing

Fluid bearing

384 99, 384322, 184 31, 415 90, F16C 3206, F16C 2702, F16N 1320, F01D 136

Patent

active

047640340

ABSTRACT:
The self-pumping hydrodynamic radial sliding bearing (4) exhibits a pump block (11) arranged between two radial sliding bearing segments (13) beneath the lowest point of the generator shaft (1). The pump block (11) has, in its concave cylindrical surface facing the generator shaft (1), pump pockets (28) in the form of flat depressions into which the lubricating oil is drawn by hydrodynamic effect through ducts (25, 27) out of the lubricating oil sump (54) and forced by damming at transverse webs (30) at the end of the pump pockets (28) through further ducts (29', 29, and 22) into the lubricating oil circuit.

REFERENCES:
patent: 1460353 (1923-06-01), Williamson et al.
patent: 3733144 (1973-05-01), Gardner
patent: 4573810 (1986-03-01), Fust et al.
patent: 4627746 (1986-12-01), Grisel et al.

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