Hermetically sealed motor-compressor unit for refrigerators

摘要

A hermetically sealed motor-compressor unit for refrigerators, of vertical axis, comprising a container for said motor compressor unit defining a sump for the gravitational collection of oil therein and a motor compressor unit positioned within said container, said compressor unit comprising a casing defining a plate, a cylinder, silencer portions positioned at the end of said cylinder below said plate, upper support means extending upwardly from said plate, perimetral walls extending upwardly along a portion of the plate and lower support means extending downwardly from the plate supporting said motor compressor in said container an electric motor supported on said upper support means spherical caps fastened to said silencer portions to form silencers a cylinder head defining a suction chamber and delivery chamber interconnected to said silencers a vertical shaft and a lubricating member disposed on the lower end of said shaft and immersed in said sump.