DIESEL EXHUAST FLUID INJECTOR CALIBRATION FREEZE PROTECTION INSERT
An injector which incorporates the use of an insert to compensate for the change in volume of diesel exhaust fluid as the diesel exhaust fluid freezes, reducing or eliminating the effects on the calibration of the injector. The calibration freeze protection insert is located adjacent a calibration s...
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Format | Patent |
Language | English French |
Published |
25.01.2018
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Abstract | An injector which incorporates the use of an insert to compensate for the change in volume of diesel exhaust fluid as the diesel exhaust fluid freezes, reducing or eliminating the effects on the calibration of the injector. The calibration freeze protection insert is located adjacent a calibration sleeve in the injector, where the insert is welded to an inlet tube. Any axial forces applied to the calibration sleeve from the blocking force of the freezing diesel exhaust fluid are transmitted to the insert, and the position of the insert is maintained by the welds. The insert and the calibration sleeve are configured to only allow small amounts of diesel exhaust fluid to migrate around the injector components, which is able to be compensated for by the elastic modulus of the various injector components.
Injecteur qui comprend l'utilisation d'un insert pour compenser le changement de volume du fluide d'échappement diesel lorsque celui-ci gèle, réduisant ou éliminant ainsi les effets sur l'étalonnage de l'injecteur. L'insert de protection contre le gel pour l'étalonnage est situé à proximité d'un manchon d'étalonnage dans l'injecteur, l'insert étant soudé à un tube d'entrée. Toutes les forces axiales appliquées au manchon d'étalonnage à partir de la force de blocage du fluide d'échappement du moteur diesel de congélation sont transmises à l'insert, et la position de l'insert est maintenue par les soudures. L'insert et le manchon d'étalonnage sont conçus pour permettre uniquement à de petites quantités de fluide d'échappement diesel de migrer autour des composants de l'injecteur, ce qui peut être compensé par le module élastique des divers composants de l'injecteur. |
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AbstractList | An injector which incorporates the use of an insert to compensate for the change in volume of diesel exhaust fluid as the diesel exhaust fluid freezes, reducing or eliminating the effects on the calibration of the injector. The calibration freeze protection insert is located adjacent a calibration sleeve in the injector, where the insert is welded to an inlet tube. Any axial forces applied to the calibration sleeve from the blocking force of the freezing diesel exhaust fluid are transmitted to the insert, and the position of the insert is maintained by the welds. The insert and the calibration sleeve are configured to only allow small amounts of diesel exhaust fluid to migrate around the injector components, which is able to be compensated for by the elastic modulus of the various injector components.
Injecteur qui comprend l'utilisation d'un insert pour compenser le changement de volume du fluide d'échappement diesel lorsque celui-ci gèle, réduisant ou éliminant ainsi les effets sur l'étalonnage de l'injecteur. L'insert de protection contre le gel pour l'étalonnage est situé à proximité d'un manchon d'étalonnage dans l'injecteur, l'insert étant soudé à un tube d'entrée. Toutes les forces axiales appliquées au manchon d'étalonnage à partir de la force de blocage du fluide d'échappement du moteur diesel de congélation sont transmises à l'insert, et la position de l'insert est maintenue par les soudures. L'insert et le manchon d'étalonnage sont conçus pour permettre uniquement à de petites quantités de fluide d'échappement diesel de migrer autour des composants de l'injecteur, ce qui peut être compensé par le module élastique des divers composants de l'injecteur. |
Author | MCFARLAND, Robert Wayne |
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DocumentTitleAlternate | INSERT DE PROTECTION CONTRE LE GEL POUR L'ÉTALONNAGE D'INJECTEUR DE FLUIDE D'ÉCHAPPEMENT DIESEL |
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Notes | Application Number: WO2017US42344 |
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RelatedCompanies | CONTINENTAL AUTOMOTIVE SYSTEMS, INC |
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Snippet | An injector which incorporates the use of an insert to compensate for the change in volume of diesel exhaust fluid as the diesel exhaust fluid freezes,... |
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SubjectTerms | APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS BLASTING COMBUSTION ENGINES 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 HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NOZZLES PERFORMING OPERATIONS SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL STEAM ENGINES SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TRANSPORTING WEAPONS |
Title | DIESEL EXHUAST FLUID INJECTOR CALIBRATION FREEZE PROTECTION INSERT |
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