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Fuel tank system of vehicle

A technology for fuel tanks and motor vehicles, which is applied in the directions of charging systems, machines/engines, and the combination of fuel supply of internal combustion engines, etc., can solve problems such as the inability of the fuel pump to pump fuel stably and the instability of engine fuel.

Inactive Publication Date: 2005-04-27
KIA MOTORS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Therefore, in such a case, the fuel stored in the fuel tank where the fuel pump is installed may return to another fuel tank, so that the fuel pump cannot draw fuel stably, causing the fuel supply to the engine to become unstable

Method used

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  • Fuel tank system of vehicle
  • Fuel tank system of vehicle
  • Fuel tank system of vehicle

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Embodiment Construction

[0016] Detailed description of the preferred embodiment

[0017] An embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

[0018] Fig. 1 is the motor vehicle fuel tank system design drawing of an embodiment of the present invention, and figure 2 It is a sectional view along line II-II of FIG. 1 .

[0019] As shown in FIG. 1, according to a motor vehicle fuel tank system according to an embodiment of the present invention, liquid or gaseous fuel 105 is stored in each of first and second fuel tanks 110 and 120, and the first and second fuel tanks 110 and 120 are connected to each other by a connecting pipe 130 . A one-way valve 150 is located in the connecting pipe 130 .

[0020] The exterior of any one of the first and second fuel tanks 110 and 120 may have any shape.

[0021] The connecting tube 130 can have any cross-sectional shape and can be made of any conventional material.

[0022] FIG. 1 shows two connec...

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PUM

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Abstract

For enhanced stability of fuel supply to an engine, a fuel tank system of a vehicle has a first and a second fuel tank for storing fuel. The tanks are interconnected by a connecting pipe with a one-way valve disposed in the connecting pipe such that fuel can flow from a filling tank to an engine supply tank but not in the reverse direction.

Description

field of invention [0001] In general terms, the present invention relates to fuel tank systems for motor vehicles. More particularly, the present invention relates to automotive fuel tank systems in which the fuel supplied to the engine has increased stability. Background of the invention [0002] Various types of fuels are used in motor vehicles and therefore fuel tank systems for storing these fuels are designed in various styles. For example, two fuel tanks connected to each other are used to store fuel, and the fuel is drawn from one of the tanks and supplied to the engine. Such dual fuel tank systems are frequently used in liquefied petroleum gas (LPG) fuel tank systems of liquefied petroleum gas (LPG) engines. [0003] In a dual fuel tank system, the fuel pump is fitted to and draws from one of the two fuel tanks. When the fuel pump is designed to draw fuel, for example, in liquid form, ie at the bottom of the fuel tank, the following problems may arise. [0004] W...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K15/077B60K15/03F02M21/02F02M37/00F16K15/03
CPCY02T10/32F02M37/0023F02M21/0242B60K2015/03118F02M21/0224F02M21/0212F02M21/0287B60K2015/03144F02M37/0088F16K15/033B60K15/03Y02T10/30Y10T137/86196B60K15/077
Inventor 禹在俊
Owner KIA MOTORS CORP