Nuovo Pignone Tecnologie Srl

Stephen Joseph Waymeyer

Alberto Babbini

Federico Puccinelli

Gianni Orsi

Douglas Michael McClure

Aigbedion Akwara

Federico Sorgona′

Described herein is a packing box for mounting on a machinery shaft. In accordance with one aspect, the packing box housing defines a central opening for insertion of a movable machinery shaft with a hollow passageway surrounding the central opening to form a path for the flow of a fluid coolant. The passageway is provided with a fluid inlet port and a fluid outlet port opening onto the outer surface of the packing box housing, and it is formed by a single conduit or by a plurality of conduits obtained through additive manufacturing process and connected in series or in parallel to wound around the central opening.

Stuffing box for use with reciprocal moveable piston rods and method of manufacturing

It is disclosed a valve () for a reciprocating compressor, comprising a valve body () which comprises a seat () and a guard (), the seat () and the guard () developing substantially parallel to a valve plane (A). The valve () also comprises a hydraulic apparatus () with pistons () and a hydraulic circuit () provided with a first portion () which is made by additive manufacturing technology according to digital 3D design data.

Reciprocating compressor valve body made by additive manufacturing

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West Chester, OH, United States of America

Stephen Joseph Waymeyer