ELECTROMAGNETICALLY CONTROLLED INJECTOR HAVING FLUX BRIDGE AND FLUX BREAK

An injector for injecting a reagent includes an axially translatable valve member positioned within a housing. An electromagnet is positioned within the housing and includes a cylindrically-shaped coil of wire. The valve member moves between a seated position and an unseated position in response to...

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Bibliographic Details
Main Authors GRANT, ERIC, SIMPSON, RICK, THOMAS, STEPHEN, M, ROESSLE, MATTHEW, L
Format Patent
LanguageEnglish
French
Published 25.04.2013
Subjects
APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
ATOMISING APPARATUS
BLASTING
ENGINE PLANTS IN GENERAL
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
NOZZLES
PERFORMING OPERATIONS
SPRAYING APPARATUS
SPRAYING OR ATOMISING IN GENERAL
STEAM ENGINES
TRANSPORTING
WEAPONS
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Summary:An injector for injecting a reagent includes an axially translatable valve member positioned within a housing. An electromagnet is positioned within the housing and includes a cylindrically-shaped coil of wire. The valve member moves between a seated position and an unseated position in response to 131energizing the electromagnet. A flux sleeve passes through the coil and includes two magnetic portions interconnected by a non-magnetic portion. Each of the magnetic portions is aligned with transverse planes defined by the ends of the cylindrical coil. The non-magnetic portion is axially positioned between the transverse planes. L'invention concerne un injecteur destiné à injecter un réactif, comprenant un élément de soupape mobile en translation axiale et positionné à l'intérieur d'un carter. Un électroaimant est positionné à l'intérieur du carter et comprend une bobine de fil de forme cylindrique. L'élément de soupape se déplace entre une position appliquée et une position écartée en réaction à l'alimentation de l'électroaimant. Une douille de flux passe à travers la bobine et comprend deux parties magnétiques interconnectées par une partie non magnétique. Chacune des parties magnétiques est alignée avec des plans transversaux définis par les extrémités de la bobine cylindrique. La partie non magnétique est positionnée axialement entre les plans transversaux.
Bibliography:Application Number: WO2012US52597