Deposit control in fuel injector nozzles

An injector nozzle for a fuel injected internal combustion engine, said injector nozzle including a port ( 5 ) having an internal valve seat surface ( 15 ) and a valve member ( 13 ) having an external seating surface ( 17 ), said valve member being movable relative to the port to respectively provid...

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Bibliographic Details
Main Authors CARLISLE HUGH WILLIAM, CATHCART GEOFFREY PAUL, FREW ROBERT WALTER
Format Patent
LanguageEnglish
Published 18.10.2005
Edition7
Subjects
BLASTING
COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MECHANICAL ENGINEERING
SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF
WEAPONS
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Summary:An injector nozzle for a fuel injected internal combustion engine, said injector nozzle including a port ( 5 ) having an internal valve seat surface ( 15 ) and a valve member ( 13 ) having an external seating surface ( 17 ), said valve member being movable relative to the port to respectively provide a passage between the valve seat surface and the external seating surface for the delivery of fuel therethrough or sealed contact therebetween to prevent said delivery of fuel, the port further including an outer port surface ( 16 ) surrounding and located adjacent the valve seat surface and external to the port, wherein the angle between the valve seat surface and the outer port surface of the port is less than 90 degrees.
Bibliography:Application Number: US20030257386