F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
230/50
F04B 35/04 (2006.01) F04B 39/12 (2006.01) F04B 39/14 (2006.01)
Patent
CA 1169396
ABSTRACT The invention relates to a small, efficient hermetic compressor for refrigeration wherein reduction in size and minimization of parts is emphasized. The motor compressor unit is mounted within a sealed outer housing and comprises a cast crankcase, which is connected to the stator of the electrical motor by means of only three connecting screws that extend through the stator and are threadedly received in sockets in the downwardly depending legs of the crankcase. The crankshaft is pressed into the motor rotor and is journaled within the crankcase for rotation about a vertical axis. The crankcase includes a slot extending into the cylinder so that the connecting rod can be inserted laterally into the cylinder at the same time that it is slipped over the end of the crank- shaft, and the wrist pin is then inserted through the same slot, through -the piston and connecting rod t and is held in place by a spring clip. A lubricant pickup tube is connected to the end of the crankshaft and extends downwardly into a cup- like cage, which serves as a shipping stop by limiting the lateral movement of the pickup tube and, therefore, the lateral movement of the compressor unit.
373678
Macrae & Co.
Tecumseh Products Company
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