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13.4 Fortschreibung
72
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13.6 Dokument aus GBFULL
Anzeigeformat: ALLG
AN 2404729 GBFULL ED 20050307 EW 200506
UP 20081130
TI FUEL INJECTION ARRANGEMENT FOR GASEOUS FUEL AND/OR LIQUID FUEL
IN TOON IAN JAMES; EADON GARY; GRAHAM ANDREW CHARLES; SALT ALLAN JOHN
PA ROLLS ROYCE PLC
PA.CNY GB
LA English
DT Patent
PIT GBA PATENT SPECIFICATION (UNDER 2,000,000) OR PUBLISHED PATENT
APPLICATION (FROM 2,000,000)
PI GB 2404729 A 20050209
AI GB 2003-18605 A 20030808
PRAI GB 2003-18605 A 20030808 *
ICM F23D0017-00
ICS F02C0009-40; F23R0003-36
IPCR F23R0003-28 [I,A]; F23R0003-30 [I,A]; F23R0003-36 [I,A]
EPC F23R0003-30; F23R0003-28D; F23R0003-36
AB A fuel injection arrangement (20 fig 2) for a turbine engine has a
gaseous fuel injection means and a liquid fuel injection means which are
both able to present fuel (7,9 fig 1) to a combustor (3 fig 1). The
liquid fuel injection means incorporates an injection conduit for
airflow 10 and a liquid fuel jet 30 presented at a high angle relative
to the airflow. In use, at low fuel injection rates the airflow entrains
and atomises fuel expelled by the fuel jet without impingement upon the
injection conduit 31, and at high fuel injection rates fuel expelled by
the liquid fuel jet impinges upon the injection conduit 31 to form a
film (43 fig 4) which is subsequently atomised by the airflow. The
injection conduit may progressively constrict towards an outlet 32,
which may be approximately 1mm wide, and the liquid fuel jet may be
inclined relative to the conduit to increase the distance before jet
impingement occurs. The fuel jet may be round, oval, or square, and less
than 1mm wide. The fuel injection arrangement allows alternative liquid
fuels to be used such as diesel or kerosene, and a plurality of
arrangements may form a fuel injection assembly.
DETD 1 Fuel Injection The present invention relates to fuel injection and
more particularly to fuel injection arrangements to allow dual fuel
combustion in a combustor of a turbine engine. 5 Operation of turbine
engines is well known and involves the use of a combustor in order to
combust a fuel and therefore provide rotary power for the prime mover
engine. Turbine engines are used in a wide variety of situations and the
...
Whilst endeavouring in the foregoing specification to draw attention to
those features of the invention believed to be of particular importance
it should be understood that the Applicant claims protection in respect
of any patentable feature or combination of features hereinbefore
referred to and/or shown in the drawings whether or not particular
emphasis has been placed thereon.
CLM 1. A fuel injection arrangement (6) for a turbine engine, the
arrangement (6) including gas fuel injection means (24) to present
gaseous fuel and liquid fuel injection means (8) to present liquid fuel