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Device for delivering fuel from a fuel tank to an internal combustion engine

A technology for a fuel tank and an internal combustion engine, applied in the field of devices for delivering fuel from a fuel tank to an internal combustion engine, to achieve the effect of preventing movement

Active Publication Date: 2019-06-04
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The present invention solves the problems of the prior art, namely the need for additional fixing elements and a separate installation step for the pressure regulating valve

Method used

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  • Device for delivering fuel from a fuel tank to an internal combustion engine
  • Device for delivering fuel from a fuel tank to an internal combustion engine
  • Device for delivering fuel from a fuel tank to an internal combustion engine

Examples

Experimental program
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Embodiment Construction

[0017] Such as figure 1 As can be seen in the figure, the fuel supply system of a motor vehicle comprises in particular an internal combustion engine 1, wherein the internal combustion engine 1 receives fuel from a fuel pump unit. In this unit, the fuel pump 2 pressurizes the supply line connected to the manifold. Supply lines extend from the manifold to the internal combustion engine 1 and to the line to the injection pump 3 installed in the filling container. Fuel is sucked directly from the fuel tank into the filling container by the fuel flow through the injection pump 3 . A connection for the return line to the internal combustion engine 1 is also present in the manifold. A pressure regulating valve 5 is mounted close to said connection and releases the flow of the fuel return line into the filling container when a given pressure is reached.

[0018] In an embodiment of the invention, the manifold, which is hereinafter referred to as valve support member 6 , has the ad...

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PUM

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Abstract

The present invention relates to a device for conveying fuel from a fuel tank to an internal combustion engine (1), with a filling receptacle and a supporting casing (4) secured to the filling receptacle. The device further includes a valve supporting element (6), on which a pressure regulating valve (5) is securely positioned, said valve in turn being secured detachably to the supporting casing (4). The supporting casing (4) has a receiving part (8) into which the valve supporting element (6) is inserted and secured. The pressure regulating valve (5) is inserted by means of an entry connection (5a) into a recess (6e) of the valve supporting element (6) and the receiving part (8) of the supporting casing (4) has a support element (13) in order to retain the pressure regulating valve (5) in the recess (6e) of the valve supporting element (6).

Description

technical field [0001] The invention relates to a device for delivering fuel from a fuel tank to an internal combustion engine, said device having a filling container and a support frame secured to the filling container. The device comprises a valve support member, wherein the pressure regulating valve can be securely arranged in the valve support member. The valve support member in turn is detachably fixed to the support frame, and the support frame has a recess into which the valve support member is inserted and fixed. Background technique [0002] The fuel supply system for a vehicle's internal combustion engine consists of a series of components. Typically, a fuel pump pumps fuel from a fuel tank to an internal combustion engine. To facilitate pumping of the fuel tank while the vehicle is moving, ie to ensure a minimum level of fuel to the pump, a filling container is installed inside the fuel tank. The filling container is filled with fuel by means of an injection pu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02M37/00F16L37/00
CPCF02M37/0052F02M37/10
Inventor 迪亚哥·卡里尔皮格
Owner ROBERT BOSCH GMBH