SCROLL COMPRESSOR

PROBLEM TO BE SOLVED: To secure durability of an auxiliary bearing by making a discharge gaseous refrigerant containing a little lubricating oil pass a rolling bearing through a process of making a crankshaft to which a rotor of an electric motor is connected into a both side supported structure in...

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Bibliographic Details
Main Authors KARATO HIROSHI, YAMAMURA MICHIO, FUJIO KATSUHARU, YAMAMOTO SHUICHI
Format Patent
LanguageEnglish
Published 26.05.1998
Edition6
Subjects
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS
ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To secure durability of an auxiliary bearing by making a discharge gaseous refrigerant containing a little lubricating oil pass a rolling bearing through a process of making a crankshaft to which a rotor of an electric motor is connected into a both side supported structure in which one side is a main bearing and the other side is a rolling bearing. SOLUTION: In a scroll compressor, a crank shaft 6 is supported on its both ends by a main bearing 19 and a rolling bearing 21 formed on the opposite end to the main bearing 19 across a rotor 5, the rolling bearing 21 is supported on a partition wall 36 fixed to a sealed container 1, a discharge pipe 33 is provided on a sealed container end plate 38 on the opposite side to an electric motor 3 across the partition wall 36, a gaseous refrigerant is made to pass the rolling bearing 21 and guided from the discharge pipe 3 to the outside, and the partition wall 36, the sealed container 1 and the sealed container end plate 38 are integrally welded to one another. Therefore, reliability is improved and with the compact size at low cost.
Bibliography:Application Number: JP19970256322