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Nuovo Pignone Srl patents


Recent patent applications related to Nuovo Pignone Srl. Nuovo Pignone Srl is listed as an Agent/Assignee. Note: Nuovo Pignone Srl may have other listings under different names/spellings. We're not affiliated with Nuovo Pignone Srl, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "N" | Nuovo Pignone Srl-related inventors


Packing case for reciprocating machine and assembling the same

A packing case for a plunger or a piston rod of a reciprocating machine comprises packing cups, each packing cup comprising a body with a hole for the passage of the plunger or rod and a sealing ring seat for housing a sealing ring which slidably bear against the plunger... Nuovo Pignone Srl

Copmpression unit for high and low pressure services

A compression unit for supplying high and low pressure services to a plant including a single driver associated with two driver shaft-ends projecting apart from the driver, a first driver shaft end and a second driver shaft end, a first unit being operatively connected to the first driver shaft-end and... Nuovo Pignone Srl

Fluid flow adapter for a cylinder of a reciprocating compressor

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... Nuovo Pignone Srl

Stabilizing arrangement for a rotating vertical shaft of a machine, machine and stabilizing method

A stabilizing arrangement for a rotating shaft including a shaft being arranged substantially vertically in a machine so as to rotate during machine operation, first pressure delivery system for delivering a fluid pressure, in particular of a fluid circulating inside the machine, at a first location of the machine. First... Nuovo Pignone Srl

Combustor liner flexible support and method

A combustor for a gas turbine is described. The combustor comprises a combustor liner, a metering plate attached to an end of the combustor liner and a combustor casing at least partially surrounding the combustor liner. An end cover is further connected to the combustor casing. The combustor liner is... Nuovo Pignone Srl

Coupling load measurement

The coupling load measurement method allows to measure load between a first driving shaft and a second driven shaft connected by a hub coupled both with the first shaft and with the second shaft by at least one flexible coupling element coupled to the hub and to the first shaft... Nuovo Pignone Srl

Method of controlling a test a gas turbine engine and test apparatus

The method allows to control a test apparatus for a gas turbine engine; WI values of one or more tentative fuel gas mixtures are predicted by calculations and the predicted WI values are used for setting the composition of a fuel gas mixture to be supplied to a combustor of... Nuovo Pignone Srl

Handling performing a tig weld with regulation of speed of the fed wire

A handling apparatus for performing a TIG weld comprises a main body for holding a filler rod; a feeding device attached to the main body and configured to advance the filler rod during welding; a control unit configured to act on the feeding device and to regulate the speed of... Nuovo Pignone Srl

Welding tool for performing smaw or mig weld with mantenance ofa constant distance between the electode and the weld area

A welding tool comprises a main body; a handle attached to the main body to be held by a welder; an electrode attached to the main body; an adjusting device for moving the consumable electrode forward/backward with respect to the main body; a control unit is connected to the adjusting... Nuovo Pignone Srl

Welding assistance device with a welding mask having a velocity sensor

A welding assistance device comprises a welding mask, a welding velocity sensor attached on the welding mask and configured to detect a welding velocity; a visualization device attached to the welding mask and arranged to show a representation of the welding velocity and of consequent heat input to a welder.... Nuovo Pignone Srl

Sector for the assembly of a stage of a turbine and corresponding manufacturing method

A sector for the assembly of a stage of a turbine comprises a central and a peripheral portion; a plurality of blades attached between the central and the peripheral portions; a first and a second side opposite to each other, the first side is configured to join with the second... Nuovo Pignone Srl

Motor-compressor unit with magnetic bearings

A motor-compressor unit for sub-sea applications, including a pressure casing, and an electric motor housed in a motor compartment formed in the pressure casing and a compressor housed in a compressor compartment formed in the pressure casing. A shaft drivingly connects the electric motor and the compressor. At least one... Nuovo Pignone Srl

Method and system for predicting residual useful life of an air filter

A method for predicting the residual useful life of an air filter arrangement is described. The method comprises the following steps: providing a plurality of predetermined reference degradation curves; measuring a degradation parameter of the filter arrangement; estimating the residual useful life of the filter arrangement by comparing the predetermined... Nuovo Pignone Srl

Device for dampening pressure pulsations in a gas flow

A device for dampening pressure pulsations in a gas flow including a vessel with an inlet and an outlet, the vessel defines an internal volume for the transit of the gas; a choke tube in fluid communication with the vessel and placed completely outside the internal volume of the vessel.... Nuovo Pignone Srl

Method for generating a machining program and machine tool

Method for generating a machining program of a plunge mulling machine tool, comprising the steps of: establishing a machining to be performed on a workpiece; acquiring first machining information that indicates stable cut conditions of the machine tool for the workpiece; acquiring second machining information that indicates engagement cut conditions... Nuovo Pignone Srl

Seal for a gap between an outer and an inner cylindrical surface

A seal for a gap between an outer and an inner cylindrical surface, coaxial with a central axis in common and arranged to rotate reciprocally, the seal comprises a plurality of plate elements stacked onto one another to define a ring between the outer and inner cylindrical surfaces, wherein each... Nuovo Pignone Srl

Centrifugal compressors with integrated intercooling

A compressor comprising: a casing; an upstream impeller and a downstream impeller for rotation in the casing; a diaphragm comprised of an internal portion and an external portion; an upstream diffuser fluidly coupled to an outlet of the upstream impeller; a return channel fluidly coupled to the upstream diffuser and... Nuovo Pignone Srl

Seal assembly for a valve stem

A seal assembly for a valve stem comprises an external seal placed on a valve stem facing an external environment; an internal seal placed on the valve stem facing a process environment; the external and internal seals define a chamber for the containment of barrier fluid; the chamber has an... Nuovo Pignone Srl

Geometric control and best fitting of electric discharge machining tools

A method for checking a geometry of an electric discharge machining electrode is described. The method comprises the following steps: providing a file containing a native 3D-model of the electric discharge machining electrode; providing a manufactured electric discharge machining electrode based on the native 3D-model; light scanning a set of... Nuovo Pignone Srl

Manufacturing of a turbomachine impeller by assembling a plurality of tubular components

A method for manufacturing impellers is described. The method provides for manufacturing a plurality of tubular components, each tubular component forming an inner passage, which is shaped as one of the flow passages of the final impeller. The tubular components are assembled together forming a semi-finished impeller. The semi-finished impeller... Nuovo Pignone Srl

Sealing device for turbomachines

A sealing device is described, for separating a first compartment from a second compartment in a turbomachine, a wet gas being processed in the first compartment. The sealing device comprises a rotary component and a stationary component. A sealing member is arranged between the rotary component and the stationary component.... Nuovo Pignone Srl

Multi-point mounting system for rotating machinery

A mounting system for supporting rotating machinery is described. The system comprises a base frame having an upper side for mounting the rotating machinery, and a lower side. A set of main supporting members are arranged according to a triangular arrangement and forming a three-point mounting arrangement defining a mounting... Nuovo Pignone Srl

Method of manufacturing a component of a turbomachine, component of turbomachine and turbomachine

A method of manufacturing a component of a turbomachine by powder metal hot isostatic pressing is disclosed, which uses a container defining outside surfaces of the component. A metal insert is located inside the container before filling the container with metal powder, and the insert is left in the component... Nuovo Pignone Srl

Centrifugal turbomachine with two stages arranged back-to-back and with an annular transfer duct between the stages

The turbomachine assembly includes a first turbomachine having an inlet, an outlet and a rotary shaft, a second turbomachine having an inlet, an outlet and a rotary shaft, a transfer duct fluidly connecting the outlet of the first turbomachine to the inlet of the second turbomachine, and a casing housing... Nuovo Pignone Srl

Method for reducing nox emission in a gas turbine, air fuel mixer, gas turbine and swirler

A method for reducing NOx emissions in a gas turbine in which a flow of primary air and a flow of fuel are fed into a dual annular counter rotating swirler, the primary air flow being fed into the inner and outer annular chambers, wherein the method comprises the step... Nuovo Pignone Srl

Crosshead for a pistion rod

A crosshead for a piston rod is provided, which comprises a main body having a first and a second seat. The first seat is configured to hold a connecting rod, and the second seat is configured to hold a piston rod. The main body is made as a single piece.... Nuovo Pignone Srl

Method for manufacturing machine components by additive manufacturing

A method for manufacturing a machine component made of metal-based material is described. The method comprises the steps of: providing a powder blend comprising at least one metal-containing powder material and at least one strengthening dispersor in powder form, wherein the strengthening dispersor in powder form has an average grain... Nuovo Pignone Srl

Extracting dry gas from a wet-gas compressor

A wet-gas centrifugal compressor is disclosed. The compressor comprises a compressor casing and at least one impeller arranged in the compressor casing for rotation around a rotation axis. A stationary diffuser is arranged in the compressor casing and extends around the impeller. The diffuser has a curved end portion with... Nuovo Pignone Srl

Method for manufacturing a turbomachine component

A method for manufacturing a turbomachine component is disclosed, including the steps of producing, by additive manufacturing, a plurality of separate segments of the turbomachine component, having a skin surrounding an empty volume corresponding to a massive part of the turbomachine component; assembling the separate segments of the turbomachine component... Nuovo Pignone Srl

Dry gas extraction device and method

A dry gas extraction device is described, for extracting a dry gas from a wet gas flow. The device comprises a wet gas duct having a side wall surrounding an inner gas flow volume. The device further comprises at least one dry gas intake port located in a position inside... Nuovo Pignone Srl

System and draining a wet-gas compressor

A wet-gas compressor is described, comprising a compressor casing and a rotor, for rotation in the compressor casing and comprised of at least one impeller. In the compressor casing, a cavity is provided, where liquid contained in a wet gas can collect during operation of the compressor. A drain port... Nuovo Pignone Srl

Multistage turbomachine with embedded electric motors

A multistage turbomachine is disclosed, comprising a casing with a fluid inlet and a fluid outlet and a plurality of stages arranged in the casing. A flow path extends from the fluid inlet to the fluid outlet through the sequentially arranged stages. Each stage is comprised of a rotating impeller... Nuovo Pignone Srl

Method of manufacturing a component of a turbomachine, component of a turbomachine and turbomachine

The component of the turbomachine comprises: a body of the component, a bond layer covering a base surface of the body, and a top layer covering the bond layer and made of abradable ceramic material. The base surface of the component has patterned protrusions and, through two covering steps used... Nuovo Pignone Srl

Method for starting a gas turbine

A method of starting a gas turbine is provided, comprising the step of providing an apparatus for regulating the flow of fuel in a gas turbine, the apparatus comprising a main line connecting a fuel source to a nozzle array; and an auxiliary line connecting the fuel source to the... Nuovo Pignone Srl

Method and system for operating a back-to-back compressor with a side stream

The compressor system comprises a compressor having first compressor stage and a second compressor stage in a back-to-back arrangement. A first gas flow is provided at the suction side of the compressor. A seal arrangement is provided between the first compressor stage and the second compressor stage. A side stream... Nuovo Pignone Srl

02/23/17 / #20170051616

Method of protecting a component of a turbomachine from liquid droplets erosion, component and turbomachine

The method of protecting a component of a turbomachine from liquid droplets erosion provides covering at least one region of a component surface exposed to a flow of a fluid containing a liquid phase to be processed by the turbomachine with a protective layer. The protective layer consists of a... Nuovo Pignone Srl

02/16/17 / #20170044929

Method of monitoring rubbing between a rotary party and a stationary part in a rotating turbomachine, monitoring arrangement and turbomachine

The arrangement for monitoring rubbing between a rotary part and a stationary part in a rotating turbomachine comprises at least one mechanical oscillations detector for measuring mechanical oscillations at at least one point of the turbomachine, at least one particles detector for measuring debris passing in at least one section... Nuovo Pignone Srl

02/02/17 / #20170030373

A scroll for a turbomachine, turbomachine comprising the scroll, and operation

A scroll for use in conjunction with a fluid compressor is described. The scroll comprises a fluid inlet adapted to receive a fluid flow and a fluid outlet adapted to discharge the fluid flow. The scroll further comprises a scroll-shaped wall defining an inner flow volume. At least one blade... Nuovo Pignone Srl

01/26/17 / #20170023011

Turbomachine assembly

The present disclosure relates to a turbomachine assembly, which includes a shaft, a radial gas expander supported on the shaft between a first bearing and a second bearing, and a compressor supported on the shaft in overhung position adjacent to one or the other of the first and second bearings.... Nuovo Pignone Srl

01/05/17 / #20170003109

Tool for measuring radial stacking angle of blades, measuring method and blade

A tool to measure the radial stacking angle of a cylindrical blade comprises a base configured to indicate a radial direction of the hub, a component slidable over the blade and configured to indicate the stacking direction of the cylindrical blade, reference elements to provide a reference scale, a setting... Nuovo Pignone Srl








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