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System for supplying a liquid for a vehicle and integrated pump/filter module

A filter and supply system technology, applied in the fields of filtration separation, machines/engines, chemical instruments and methods, etc.

Active Publication Date: 2013-04-24
PLASTIC OMNIUM ADVANCED INNOVATION & RES SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the system described in this application, the filter, pump and bell / siphon are separate elements that are actually integrated on a common base plate submerged in the tank, however large in size

Method used

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  • System for supplying a liquid for a vehicle and integrated pump/filter module
  • System for supplying a liquid for a vehicle and integrated pump/filter module

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Embodiment Construction

[0010] In the case of PF additives, this is generally a catalyst in a solution based on a hydrocarbon solvent for the low temperature combustion of solid particulates containing carbon dioxide produced by incomplete combustion of heavy hydrocarbons in compression ignition engines combination. The expression "heavy hydrocarbon" is understood to mean a fuel, which is liquid or pasty at ambient temperature, the molecules of which comprise more than 9 carbon atoms. An example of such a heavy hydrocarbon is an oil fraction known as a gas oil that can be used in diesel-type engines. Examples of suitable liquid additives are iron and cerium salts in hydrocarbon based solutions. Specifically, in the trademark These solutions available below are particularly suitable for PF.

[0011] However, the invention is particularly applicable to a reducing agent capable of reducing NO present in the exhaust of vehicle engines x . It is advantageously an ammonia precursor in aqueous solutio...

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Abstract

Supply system for a liquid comprising a liquid tank, a supply line, a pump, a filter and a device that makes it possible to purge the line, pump and filter and that comprises a non-return device preventing liquid from entering into these elements once they have been purged. In this system, the pump, filter and non-return device are combined in a compact module, the filter at least partly surrounding the pump and the non-return device being an integral part of a common housing that surrounds the filter and at least one part of the pump.

Description

technical field [0001] The present invention relates to a system for supplying liquid to a vehicle and also to an integrated pump / filter module suitable for said system. Background technique [0002] With the Euro IV standard on exhaust emissions from heavy goods vehicles coming into force in 2005, it has become imperative to put devices for pollution control of NOx (or nitrogen oxides) into practice. [0003] The system used by most heavy goods vehicle manufacturers to reduce NOx emissions to the required value involves a selective catalytic reaction with a reducing agent such as urea ("Urea SCR" or the use of urea decomposition selective catalytic reduction of ammonia generated in situ in the exhaust gas). [0004] In order to do this, it is necessary to equip these vehicles with a tank containing a urea solution, a device for metering the amount of urea to be injected into the exhaust line, and a A device for supplying urea solution to a metering device for the amount ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D35/26F01N3/20
CPCF01N2610/1433F01N3/2066B01D35/027Y02T10/24Y10T137/794B01D35/26B01D35/153Y02A50/20Y02T10/12F01N3/36
Inventor 乔尔·奥德贝克朱利安·科内萨劳伦特·巴德齐克
Owner PLASTIC OMNIUM ADVANCED INNOVATION & RES SA