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PISTON-DRIVING ROD ARRANGEMENT FOR RECIPROCATING COMPRESSOR

  • US 20100040495A1
  • Filed: 08/02/2007
  • Published: 02/18/2010
  • Est. Priority Date: 08/16/2006
  • Status: Abandoned Application
First Claim
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1. A mounting arrangement for a piston and a driving rod of a compressor of the type comprising:

  • a cylinder block in whose interior is defined a compression chamber;

    a piston axially reciprocating inside the compression chamber;

    a driving device mounted in the cylinder block to apply reciprocating forces to the piston; and

    a driving rod having one end coupled to the driving device and an opposite end cooperating with a joint pin mounted to the piston transversally to the axis thereof, wherein the opposite end of the driving rod carries at least one coupling longitudinal extension fitted in a radial opening provided in the joint pin and there retained by a fixation device, so that the driving rod displaces the piston in its suction stroke, said coupling longitudinal extension presenting a cross section having, in the direction of the axis of the joint pin, a height smaller than the height of the opposite end of the driving rod, said joint pin being coupled to the piston, during the compression stroke of the latter, along a longitudinal extension of the side surface of the joint pin, larger than the difference between the total longitudinal extension of the latter and the height of the opposite end of the driving rod.

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