Nuovo Pignone Srl

Nuove Pignone Srl

Tommaso Breschi

Leonardo Tognarelli

Riccardo Bagagli

Massimo Bargiacchi

Francesco Chiesi

Andrea Tenze

Filippo Erbaggio Bracciali

Elena Gallina

Leonardo Raugei

Michele Bogazzi

A crosshead-piston rod assembly for a reciprocating compressor comprises a piston rod; a crosshead having a bore; a connection element attached to the piston rod and at least partially inserted into the bore for connecting the crosshead to a piston.

Crosshead-piston rod assembly for a reciprocating compressor

The tool is designed to carried out maintenance operations on a bearing assembly comprising a bushing split into at least two shells; the maintenance tool comprises a device arranged to act on and rotate the bushing shells. In particular, the device comprises a slide and a pin; the slide has a hole transversal to its sliding direction and the pin is slidably mounted inside the hole and protrudes from the hole; in a first operating position the pin acts on a shell and in a second operating position the pin does not act on any shell. The method provides to rotate the bushing shells without rotating the supported shaft, and to carry out maintenance operations on a shell at a time while leaving the shaft supported by the other shell.

Maintenance tool and method for a split friction bearing assembly and rotary machine using the same

The device comprises an anchoring plate configured for anchoring the device to a machine casing. The device further comprises a terminal plate connected to the anchoring plate at a distance there from, and a slide arranged for movement between the anchoring plate and the terminal plate. The device further includes a connecting arrangement configured for connecting the slide to a valve and cage assembly to be removed from the machine.

Device for removing a valve and cage assembly from a machine

Growing community of inventors

Florence, Italy

Tommaso Breschi