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Metal ion elimination filter

A metal ion and filter technology, applied in the direction of ion exchange, cation exchange, organic cation exchanger, etc., can solve heating and other problems, and achieve the effect of eliminating the guided engine, reducing heat load, and eliminating the deterioration of installability

Inactive Publication Date: 2013-10-09
HINO MOTORS LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In addition, in order to remove the metal ions without causing the fuel to submerge in the water, there is a method of heating the ion exchange resin with a heater to increase the reaction rate of the ion exchange, and then directly passing the fuel, but in this case, there are also Problems requiring large capacity heaters for heating ion exchange resins

Method used

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  • Metal ion elimination filter

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Embodiment Construction

[0032] Embodiments of the present invention will be described below with reference to the drawings.

[0033] figure 1 One embodiment of the invention is shown, figure 1 An example in which the metal ion removing filter of the present invention is applied to a general common rail type fuel injection device is schematically shown. In this illustrated example, the fuel 2 in the fuel tank 1 is pressurized by the fuel pump 3 .

[0034] The fuel pump 3 is driven by the output of the engine, and can boost the fuel 2 to a required predetermined pressure, supply it to the common rail 4, and store it in a pressure accumulation state. The fuel 2 in the common rail 4 is supplied to the A plurality of injectors 5 for each cylinder supply and inject into each cylinder.

[0035] Then, among the fuel supplied from the common rail 4 to the injector 5 , the remaining fuel 2 not used for injection to each cylinder is returned from each injector 5 to the fuel tank 1 as return fuel 2 .

[0036]...

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Abstract

In a metal ion elimination filter 14 for elimination of any metal ions in fuel 2, a filter body 16 filled with ion-exchange resin 15 for adsorption of metal ions through ion exchange is incorporated in a fuel feed passage (feed conduit 9) from a fuel tank 1 to an injector 5. A fuel return passage (return conduit 13) for return of the excessive fuel 2 in the injector 5 to the fuel tank 1 is passed through the filter body 16 to heat the ion-exchange resin 15 with waste heat of the returning fuel 2.

Description

technical field [0001] The present invention relates to a filter for removing metal ions. Background technique [0002] Conventionally, it is known that in the fuel injection system of an engine, when the fuel contains metal ions, the metal ions react with the components in the fuel to generate a solid metal salt, and if such a solid metal salt is placed, it will exist in the injector. The sliding part of the fuel injection system may cause malfunction and clog the flow of fuel. Therefore, efforts are made to select the material forming the fuel injection system and its surface treatment so that metal ions do not enter the fuel as much as possible. [0003] However, when poor-quality fuel contains metal components from the beginning, the formation of solids due to the salt reaction in the fuel cannot be avoided, so metal ions are provided in the middle of the fuel supply path from the fuel tank to the injector. A removal filter by which metal ions in the fuel are removed. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M37/22B01J39/04B01J47/06F02M37/00
CPCB01J47/06F02M37/0052B01J39/00F02M37/22B01J47/022F02M37/223Y02T10/16F02M31/20F02M37/30Y02T10/12
Inventor 中村洋一郎
Owner HINO MOTORS LTD
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