#ALSTOM SWITZERLAND LTD [CH]

Turbochargers

A turbocharger has a shaft (2) formed of a strong material such as steel and an impeller (1) formed of a relatively weaker material such as aluminium alloy. The impeller is mounted on the shaft by mea…

DRIVE·Mar 3·1 min read

F01D25/005 ALSTOM SWITZERLAND LTD [CH]

Intercooling process and intercooled gas turbine engine

The intercooling method is for a gas turbine engine with first (1) and second (2) compressor stages and a combustion chamber (3) and turbine (4). The intercooler (9) is positioned between the two comp…

DRIVE·Jan 2·1 min read

F02C7/143 ALSTOM SWITZERLAND LTD [CH]

Method and device for controlling thermoacoustic instabilities or vibrations in a combustion system

The method involves measuring pressure oscillations and/or thermal release oscillations in the combustion system (15), filtering, delaying and amplifying the measurement signal and modulating the fuel…

DRIVE·Oct 1·1 min read

F02C9/26 ALSTOM SWITZERLAND LTD [CH]

Fuel supply system and method of operating the same

The invention relates to a fuel supply system (1) which supplies a burner arrangement (8) with at least one burner (7), in particular a gas turbine (10), with fuel. The fuel supply system (1) has a co…

DRIVE·Jan 8·2 min read

F02C9/26 ALSTOM SWITZERLAND LTD [CH]

Procedure for the start of a gas turbine system

The method involves using a changeover time from a pilot mode to a pre-mix mode that is dependent on a variable changeover temperature that is determined from pulsations occurring in the flame in the …

DRIVE·Jan 2·1 min read

F02C7/26 ALSTOM SWITZERLAND LTD [CH]

Gas turbine power plant and method therefor

The power plant includes a gas turbine (1). Hot exhaust gases (8) from the turbine pass through a diffuser (2) and a connector piece (3) to a waste heat boiler (4). Cooled exhaust gases (9) pass throu…

DRIVE·Dec 4·1 min read

F01D25/30 ALSTOM SWITZERLAND LTD [CH]

Ignition method for a turbomachine

The method involves setting up a global fuel/air mixture of greater than unity in the flame tube (40) of the ignition device (10) prior to igniting the combustion chamber (30). It is used where the mi…

DRIVE·Sep 18·1 min read

F02C7/264 ALSTOM SWITZERLAND LTD [CH]

Method for operating a gas turbine power plant with cooling of the combustion air

The gas turbine assembly has a cooling system for the combustion air, using a suitable coolant (20,21). At least a part of the air mass flow is cooled before or within the compressor (1,2) so that cri…

DRIVE·Aug 28·1 min read

F02C7/143 ALSTOM SWITZERLAND LTD [CH]

Turbomachine ignition device and ignition method

The thermal turbomotor has a housing (80), combustion chamber (30) and an ignition system (10). For the ignition, an air feed (70) and a fuel feed (60) lead to an ignition zone (50) with ignition (51)…

DRIVE·Aug 28·1 min read

F02C7/264 ALSTOM SWITZERLAND LTD [CH]

Method of operating a power generation system

Method for operating a power station (1) with a closed or virtually closed CO2 process uses at least one compressor (3), at least one turbine (5), at least one generator (4), at least one recuperator …

DRIVE·Apr 17·1 min read

F02C3/20 ALSTOM SWITZERLAND LTD [CH]

Process and apparatus for production of hot feed gas

Production of hot working gases involves carrying out the combustion in a burner to produce a hot combustion waste gas for use as working gas; deviating a part of the combustion waste gas and feeding …

DRIVE·Apr 17·2 min read

B01D53/22 ALSTOM SWITZERLAND LTD [CH]

Device and method for electrostatically spraying liquids

The vaporizer has an electrically conductive jet body (1) having an internal volume (4) for reception of the fluid medium and at least one jet opening (2), cooperating with a HV electrode (3) position…

DRIVE·Apr 10·1 min read

B05B5/035 ALSTOM SWITZERLAND LTD [CH]