HERMETICALLY CLOSED SCROLL COMPRESSOR FOR HELIUM

摘要

PROBLEM TO BE SOLVED: To prevent abnormal vibration of an injection pipe, and to reduce oil rise quantity and noise in a hermetically closed scroll compressor for helium. SOLUTION: An oil plate comprises an imperforate collision plate functioning part disposed in a half circumferential part functioning so as to prevent gas flow from reaching the oil level of an oil sump and a perforated discharge oil passage functioning part having a sufficient oil discharging function disposed in a half circumferential part on the opposite side of the former half circumferential part.