Nuovo Pignone Srl

Nuovo Pignone Tecnologie Srl

Guido Pratelli

Riccardo Bagagli

Alberto Babbini

Leonardo Tognarelli

Massimo Bargiacchi

Federico Puccinelli

Carmelo Maggi

Riccardo Maleci

Fluid flow adapter for a cylinder of a reciprocating compressor, the cylinder having a side wall provided with a valve seat, the fluid flow adapter comprising a filler element having an internal surface facing an internal volume of the cylinder and an external surface facing the valve, the filler element having at least a channel connecting the internal surface to the external surface, wherein the internal surface is flush with the side wall of the cylinder, the channel being configured to allow the passage of fluid between the internal volume of the cylinder and the valve.

Fluid flow adapter for a cylinder of a reciprocating compressor

An automatic valve including a valve seat having first gas flow passages extending there through and a valve guard having second gas flow passages extending there through. The valve further comprises at least one shutter member movably arranged between the valve guard and the valve seat, at least one set of spring members biasing the at least one shutter member towards a closed position in sealing engagement with the valve seat to close the first gas flow passages, and at least one spring holder ring provided with a plurality of spring retention seats. Each spring member of the set of spring members is partially housed in a respective spring pocket formed in the valve guard and retained in a respective one of the spring retention seat.

Automatic valve with a spring holder ring

Growing community of inventors

Florence, Italy

Guido Pratelli