F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
230/48, 230/49,
F04B 39/06 (2006.01) H02K 9/19 (2006.01)
Patent
CA 1205058
ABSTRACT A cooling device for a hermetic motor-compressor unit having an outer housing with a lubricant sump in the bottom thereof, a rotatable crankshaft vertically disposed in the housing, and a motor having a stator circumferentially disposed about the rotating crank- shaft and a rotor connected to the crankshaft for rotation therewith. The cooling device comprises a pick-up tube connected to the rotating crankshaft and having one end thereof extending into the lubricant sump. The pick-up tube has an axial bore disposed therein and a radial passage means disposed therein in communication with the axial bore so that, upon rotation of the crankshaft, oil is pumped upwardly through the axial bore and a portion thereof thrown radially outwardly through the radial passage means and directly against the inner surfaces of the lower end turns of the stator without having first contacted any other parts of the motor.
435892
Macrae & Co.
Tecumseh Products Company
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