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System for injecting aqueous solution into injection engine

A technology for injection systems, aqueous solutions, applied in the direction of engine components, combustion engines, machines/engines, etc., to achieve easy access and reduced recirculation time

Active Publication Date: 2020-09-22
PLASTIC OMNIUM ADVANCED INNOVATION & RES SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In fact, there is a limit to filling the tank with demineralized water

Method used

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  • System for injecting aqueous solution into injection engine
  • System for injecting aqueous solution into injection engine
  • System for injecting aqueous solution into injection engine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0047] Such as figure 1The shown injection system for injecting an aqueous solution into the intake circuit of a jet engine comprises a tank 10 intended to receive an aqueous solution, preferably water. In the embodiment shown, the tank is made of two half-shells obtained by molding plastic material. The two half-shells are heat welded to each other along the joint plane P to form a closed tank. The components are introduced and fixed in the tank before the tank is closed by heat welding. In operation, water in the tank (not shown) is pumped by the charge pump 20 . This feed pump 20 is an electric pump arranged inside the tank 10 at the bottom of the tank 10 and is part of the water supply module 30 of the jet engine. The water supply module, also called WDM (Water Delivery Module) in English, is a group of components configured to supply pressurized water to the jet engine M. Among the components of the WDM module, there are a water pump like the charge pump 20 and an inj...

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PUM

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Abstract

The invention relates to a system for injecting an aqueous solution into an injection engine, comprising a reservoir (10) for an aqueous solution, a circuit (80) for supplying aqueous solution to saidreservoir (10) and a filter (100) for filtering the aqueous solution, and a circuit (90) for re-circulating said aqueous solution. The injection system also comprises recirculation (90) of said aqueous solution, and is provided with a solenoid valve (130) comprising a first inlet (130a) connected to a filler neck (82) of the reservoir, a second inlet (130b) connected to the recirculation circuit(90), and an outlet (130c) connected to the supply circuit (80). The filtration filter (100) is arranged in said supply circuit (80) and / or in said recirculation circuit (90).

Description

technical field [0001] In general, the present invention relates to the technical field of reservoirs configured to deliver fluid to internal combustion engines. More specifically, the invention relates to an injection system for injecting a liquid, in particular an aqueous solution, into an injection engine of a vehicle, in particular an automobile. [0002] The invention also relates to an injection method for injecting an aqueous solution into an injection engine. [0003] The invention also relates to a method of purifying an aqueous solution for an injection system for injecting the aqueous solution into a jet engine. [0004] Finally, the invention relates to a method for evaluating the purity of aqueous solutions used in injection systems for injecting aqueous solutions into jet engines. Background technique [0005] It is known to inject water into the intake circuit of an engine. This water mixes with the intake air, allowing to lower the combustion temperature a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M25/022F02M25/025C02F1/00C02F1/42
CPCF02M25/0227F02M25/025F02M25/0224C02F1/42C02F2209/02C02F2209/42C02F2209/05C02F2209/001C02F2209/005C02F2301/046C02F2303/22C02F2201/006C02F2103/023C02F2201/001C02F2201/005F02M25/022F02M25/028
Inventor 弗朗克·道希斯蒂芬·伦纳德洛朗·迪埃皮埃尔·奥兹沃德
Owner PLASTIC OMNIUM ADVANCED INNOVATION & RES SA
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