Patent ID: 6484846
Filing Date: 2002-11-26
Classification: F04B,F04C

Abstract:
A hermetically-sealed motor compressor comprising a housing enclosing a motor stator and rotor, a vertically oriented crankshaft connected at one end to said rotor stator and having an offset crankshaft journal at another end, said crankshaft journal having an oil passage therein, an oil pick-up tube having a first end portion in fluid communication with said oil passage and a second straight end portion projecting through a surface portion of a bodyofoil in an oil sump within said housing and into said body of oil, said first end portion being offset from a vertical rotation axis of said crankshaft, said second straight end portion being aligned with said vertical rotation axis of said crankshaft, said pick-up tube having a midportion connecting said first end portion with said second straight end portion, and means within said second straight end portion to pump oil upwardly to said midportion upon rotation of said crankshaft, whereby centrifugal force forces oil in said midportion upwardly to said portion.