#NUOVO PIGNONE SPA [IT]

An organic rankine cycle for mechanical drive applications

A combined thermodynamic system is described, for the production of mechanical power. The system comprises a gas turbine (1) and a turbomachinery (2) driven by the gas turbine (1). The system further …

DRIVE·Apr 2·1 min read

F01K23/10 NUOVO PIGNONE SPA [IT]

A turbine-driven reciprocating compressor and method of operating said compressor

A reciprocating compressor system is provided comprising: a turbine (115); a reciprocating compressor (103) driven by said turbine; and a gearbox (119) arranged between the turbine and said reciprocat…

DRIVE·Apr 2·1 min read

F01D15/08 NUOVO PIGNONE SPA [IT]

Cooling system for gas turbine load coupling

A gas turbine (33) is described, comprising at least a compressor (43), a power turbine (47), a load coupling (35) connecting said gas turbine (33) to a load (37), a load-coupling guard (65) at least …

DRIVE·Jun 5·1 min read

F01D15/005 NUOVO PIGNONE SPA [IT]

System and method for auto-tuning a combustion system of a gas turbine

Controller, gas turbine, and method for auto-tuning a combustion system of a gas turbine. The method includes selecting a first tuning curve from a set of tuning curve for the gas turbine; unbalancing…

DRIVE·Jan 23·1 min read

F02C7/00 NUOVO PIGNONE SPA [IT]

Vessel of a heat storage and release apparatus

The vessel of a heat storage and release apparatus is provided with a shell made of metallic material with an internal cavity for containing a heat storage and release device and for guiding gas-flow,…

DRIVE·Sep 26·2 min read

F17C1/14 NUOVO PIGNONE SPA [IT]

Sculpted trailing edge swirler combustion premixer and method

Methods and devices useable in turbo-engines premixing of compressed air and fuel are provided. A premixer has a mixing part configured to receive a gas flow input in a flow direction and fluid fuel i…

DRIVE·Jul 4·2 min read

F02C3/04 NUOVO PIGNONE SPA [IT]

A method for similitude testing of a turbomachine and corresponding test sytem

A method and system for testing a compressor are described. To perform a similitude test, a substitute for HFC-134a is selected. The substitute test gas is used, either in purity or in a mixture with …

DRIVE·Jun 27·1 min read

F02C3/22 NUOVO PIGNONE SPA [IT]

Inlet air cooling and moisture removal methods and devices in advanced adiabatic compressed air energy storage systems

Systems and methods provide for cooling air in a power generation system. The system includes: an air handling unit configured to receive air, to cool the air and to remove moisture from the air; a fi…

DRIVE·May 2·1 min read

F02C6/16 NUOVO PIGNONE SPA [IT]

Systems and methods for pre-heating compressed air in advanced adiabatic compressed air energy storage systems

Systems and methods provide for capturing heat energy in a power generation system. The system includes: a first compressor configured to exhaust a first compressed, heated air flow; a heat exchanger …

DRIVE·May 2·1 min read

F02C1/04 NUOVO PIGNONE SPA [IT]

Methods and devices for low speed low torque testing of a rotor in a turbomachinery

Methods and devices for performing a low torque low speed test to determine whether a rotor of a turbomachinery is free to rotate are provided. A method includes automatically applying a torque to the…

DRIVE·Mar 14·1 min read

F01D19/00 NUOVO PIGNONE SPA [IT]

Airfoil shape for compressor

Devices, systems and methods according to exemplary embodiments provide blades, e.g., as part of a rotor (102) or a stator (106) associated with a turbo machine, with particular shapes to optimize ope…

DRIVE·Feb 29·1 min read

F01D5/12 NUOVO PIGNONE SPA [IT]

Combustor liner concentric support and method

Systems and methods provide for reducing motion which causes wear in a combustor. The method includes attaching a first end of a combustor liner (404) to a retainer (402) which encircles the first end…

DRIVE·Feb 29·1 min read

F02C7/00 NUOVO PIGNONE SPA [IT]

Geared axial multistage expander system and assembly method

A geared axial multistage expander system and assembly method including a casing (42) and a plurality of stages (R1 to R6). A stage includes a stator part (44) connected to the casing and having plura…

DRIVE·Feb 29·2 min read

F01D1/04 NUOVO PIGNONE SPA [IT]

Centering device and system for driving ring

A centering device includes a pivoting part configured to pivot around a first axis that extends along an axial direction of a hole formed in the pivoting part; a roller attached to a first end of the…

DRIVE·Feb 29·1 min read

F01D17/165 NUOVO PIGNONE SPA [IT]

Closed cycle brayton cycle system and method

Method and unit for generating energy with improved efficiency. A Brayton cycle unit includes a multistage compressor configured to compress a flowing medium; a first heat exchanger fluidly connected …

DRIVE·Feb 22·1 min read

F02C1/10 NUOVO PIGNONE SPA [IT]

Method and device for controlling a hot restart of a centrifugal compressor

Methods (200, 555), devices (160, 400) and systems (100) capable of performing a hot restart of a compressor (120) driven by a turbine (110) are provided. The turbine (110) has a high speed shaft (130…

DRIVE·Feb 1·2 min read

F01D19/00 NUOVO PIGNONE SPA [IT]

Liner aft end support mechanisms and spring loaded liner stop mechanisms

A gas turbine (400) includes a liner (410, 820, 920, 1020, 1120), a casing (810 ,910,1010,1110) surrounding the liner, a hula seal (420) flexibly connected to an aft end of the liner (445) and a liner…

DRIVE·Jan 4·2 min read

F01D25/00 NUOVO PIGNONE SPA [IT]

Method of controlling a turboexpander-compressor system

A turboexpander-compressor system (200) includes an expander (210) configured to expand an incoming gas (214), a first set of moveable inlet guide vanes (218) configured to control a pressure of the i…

DRIVE·Dec 28·2 min read

F01D17/16 NUOVO PIGNONE SPA [IT]

Method and system for variable geometry inlets nozzles for use in turboexpanders

Method and system for power generation including a turboexpander with at least two expansion stages, the turboexpander being connected to a power generation unit. The system includes a controller conf…

DRIVE·Nov 30·2 min read

F01D15/10 NUOVO PIGNONE SPA [IT]

Turboexpander for power generation systems

A power generation system including: a turboexpander to include an expander section, a pump section and a motor-generator section which are mechanically linked via a shaft. The expander section is flu…

DRIVE·Nov 16·1 min read

F01D15/10 NUOVO PIGNONE SPA [IT]

Blocked nozzle detection and remedial method and system

System and method for controlling a stuck nozzle system installed between first and second turbines connected in series to a compressor. The method includes determining whether the nozzle system is st…

DRIVE·Nov 2·1 min read

F01D9/02 NUOVO PIGNONE SPA [IT]

Cooling and tapping system for a gas turbine engine and corresponding operation method

An operation method for a gas turbine engine (1) and its respective cooling system including: compressing a working fluid by means of a compressor (3); feeding this compressed working fluid into at le…

DRIVE·Apr 6·2 min read

F01D25/12 NUOVO PIGNONE SPA [IT]

Easy-fit heat screening device for connecting a cooling pipe and a through-hole formed in a nozzle support ring of a gas turbine

An easy-fit heat screening device (110) for connecting a cooling pipe (112) and a through-hole (114) formed in a nozzle support ring (116) of a gas turbine, of the type comprising a tubular structure …

DRIVE·Jan 7·1 min read

F01D11/005 NUOVO PIGNONE SPA [IT]

System for control and regulation of the flame temperature for single-shaft gas turbines

In order to limit the flame temperature peaks following sudden load variations, corresponding control is planned of the position of the blades (13) of the distributor with variable geometry, of a sing…

DRIVE·Dec 10·1 min read

F01D17/162 NUOVO PIGNONE SPA [IT]

Support device for nozzles of a gas turbine stage

A support device (110) for nozzles (112) of a gas turbine stage is presented, in which the support device (110) is interposed in a rotor of the gas turbine, between an upstream blading disc (122) and …

DRIVE·Dec 10·1 min read

F01D11/001 NUOVO PIGNONE SPA [IT]

Safety device for a washing system for liquid fuel burners in gas turbines

A safety device for a washing system for liquid fuel burners in gas turbines, in which these turbines are provided with separate injectors for the combustion of liquid fuel or gaseous fuel, wherein th…

DRIVE·Mar 19·1 min read

F01D25/002 NUOVO PIGNONE SPA [IT]