Patent ID: 8123495
Filing Date: 2012-02-28
Classification: F01B,F04B

Abstract:
1. A positive displacement reciprocating compressor comprising one or more cylinder units ( 30 ), respective pistons ( 5 , 5 ′) reciprocating inside said cylinder units ( 30 ), at least one motor ( 25 ) having a respective drive shaft ( 3 ′) with a planet carrier ( 3 ), a planet ( 20 ) which, in combination with said planet carrier ( 3 ) and with a crown wheel ( 2 ; 26 ) with internal toothing realises a so-called “non-conventional” crank mechanism in which a point “B” on the pitch line of a pinion ( 4 ) of the planet ( 20 ) moves according to a reciprocating rectilinear motion during the operation of the compressor, the compressor further including a housing ( 27 ) with a corresponding cover ( 32 ) and being characterised in that at least a part, but preferably all, of the components of the planet ( the positive-displacement reciprocating compressor further comprises a lubrication system (