Coolant compressor

Coolant compressor

  • CN 101,910,631 B
  • Filed: 12/18/2008
  • Issued: 06/15/2016
  • Est. Priority Date: 12/27/2007
  • Status: Active Grant
First Claim
Patent Images

1. the piston refrigeration agent compressor for the small-sized refrigerator of level Hermetic Package, described piston refrigeration agent compressor has the piston (20) guided in the piston hole (3) in cylinder casing (1), wherein cylinder casing is closed by the valve plate (7) with compression opening (17) and suction opening (16) on end face, and on end face, it is provided with screwed hole (5) equally, by described screwed hole, first clamping element (11) is by together with fixing screw is screwed in cylinder casing (1), and valve plate (7) is pressed onto on cylinder casing (1) by described first clamping element, it is characterized in that, described first clamping element (11) has gripping section (13), described gripping section is positioned at the top of the piston hole wall (14) of piston hole (3) in the state installed and has the shape of the piston hole wall (14) imaginary projection on the first clamping element (11), accurately pressure is applied in the scope of piston hole wall (14) on valve plate (7), valve plate (7) is pressed onto on cylinder casing (1) by described first clamping element in the region of at least one section of piston hole wall (14), and there is the pretightning force in direction towards valve plate (7) when tightening.

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