Hermetic motor compressor

  • US 4,345,882 A
  • Filed: 07/11/1980
  • Issued: 08/24/1982
  • Est. Priority Date: 07/13/1979
  • Status: Expired due to Term
First Claim
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1. A hermetic motor compressor comprising:

  • (a) a motor-compressor unit; and

    (b) a casing for containing said motor-compressor unit, said casing having a dome-like upper casing and a dome-like lower casing, each of said upper and lower casings having an engagement portion for engaging with each other, and an apex portion at the top of the dome thereof, at least one of said upper and lower casings having;

    at least three corner portions in the vicinity of said engagement portion thereof;

    at least three crest lines respectively extending from said corner portions toward said apex portion;

    said casing having at least three crescent-shaped planes, each plane being placed between a pair of said corner portions, each of said crescent-shaped planes having a convexly curved side placed along a section of said engagement portion, and a concavely curved side; and

    at least three curved surfaces connecting two of said crest lines and said concavely curved side of respective crescent-shaped planes.

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