Centrifugal oil pump

Rotary kinetic fluid motors or pumps – Pump having rotating inlet end or scoop immersed in liquid

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Details

417368, 417372, 184 616, 184 31, F04B 3902

Patent

active

044214537

ABSTRACT:
A centrifugal oil pump for a compressor having improved head and flow performance in which a plurality of tunnels extend radially outward and angularly upward from the face of the impeller and convey oil to the perimeter of the drive shaft during operation. The oil is collected in a chamber of a housing around the bottom of the crankshaft, flows through a channel of an end plate and is transmitted upwardly in a bore of the crankshaft. Entrained gases are vented from each inlet hole to a common annular ring, and through a vent from the annular ring upwardly in the crankshaft.

REFERENCES:
patent: 2267341 (1941-12-01), Schmidt
patent: 2898072 (1959-08-01), Buschmann
patent: 3078958 (1963-02-01), Hoenick
patent: 3396903 (1968-08-01), Oya
patent: 3563677 (1971-02-01), Retan
patent: 3610773 (1971-10-01), Polomsky
patent: 3610784 (1971-10-01), Rundell
patent: 3876339 (1975-04-01), Gannaway
patent: 3926281 (1975-12-01), Hannibal
patent: 3934967 (1976-01-01), Gannaway
patent: 4131396 (1978-12-01), Privon et al.

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