Lubrication of sealed compressors

Details Lubrication of sealed compressors Lubrication of sealed compressors

1986-10-23

1989-09-12

Croyle, Carlton R.

Pumps

Motor driven

Including means utilizing pump fluid for augmenting cooling,...

417902, 184 616, F04B 3902

Patent

active

048655279

ABSTRACT:
Improved lubrication of sealed compressors having a crankshaft provided with a longitudinal interior duct and a tubular member coupled to a lower end of the interior duct and having a substantially cylindrical upper section and a substantially conical lower section adapted to be submerged in oil. An upper end of the internal lubrication duct ends in a first substantially conical section and a second substantially cylindrical section of variable contour depending upon the profile of the upper end of the crankshaft. A spring may also be situated inside of the tubular member.

REFERENCES:
patent: 2930522 (1960-03-01), Reichard
patent: 4456437 (1984-06-01), Kurahayashi et al.
patent: 4478559 (1984-10-01), Andrione et al.
patent: 4568256 (1986-02-01), Blain

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