DE102015014805A1 - Filling device for filling liquid fuel into a tank of a motor vehicle - Google Patents

Abstract

The invention relates to a filling device (10) for filling liquid fuel into a tank of a motor vehicle, having an introduction tube (12) for guiding a dispensing tube of a fuel nozzle, with a sieve (14) for filtering the fuel adjacent to the introduction tube (12) , with a channel (16) at least partially defined by the insertion tube (12) for at least partially receiving the dispensing tube, and at least one closing element (18) closing between a closed position closing at least a portion of the channel (16) and at least one portion releasable open position relative to the insertion tube (12) and the sieve (14) is movable, wherein the insertion tube (12) and the sieve (14) by an integral component (24) are formed, on which the closing element (18) is movably held ,

Description

The invention relates to a filling device for filling liquid fuel in a tank of a motor vehicle according to the preamble of patent claim 1.

Such a filling device for filling liquid fuel into a tank of a motor vehicle is for example already DE 20 2006 006 201 U1 to be known as known. The filling device comprises an insertion tube for guiding a dispensing tube of a dispensing nozzle. In the ready-made state of the motor vehicle, the introduction tube is for example part of a tank nozzle or connected to such a filler neck, so that the tank refueled via the insertion tube and the filler neck, that can be filled with liquid fuel. For this purpose, the dispensing tube of the fuel nozzle is inserted into the filler neck and into the insertion tube, wherein the dispensing tube is guided by means of the insertion tube.

The filling device further comprises a sieve, which adjoins the introduction tube, for filtering the fuel. By means of the sieve, for example, particulate matter contained in the liquid fuel can be filtered out when the liquid fuel is introduced into the tank via the filling device. In this case, the fuel flows through the dispensing tube and thus through the insertion tube along a flow direction, wherein the sieve adjoins the insertion tube in relation to this flow direction. The liquid fuel can flow through the sieve so that any particulate matter contained in the fuel is retained by the sieve.

The filling device further comprises a channel, which is at least partially delimited by the insertion tube, for at least partially receiving the dispensing tube. In other words, the dispensing tube is inserted into the insertion tube and thus into the channel in order to be able to fill the tank with the liquid fuel. The fuel can flow through the dispensing tube and thus the insertion tube or the channel.

The filling device further comprises at least one closing element, which is movable relative to the insertion tube and the sieve between a closed position closing at least a partial region of the channel and at least one open position releasing the partial region. In the closed position, for example, the channel is closed at least predominantly, in particular completely, by means of the closing element, so that, for example, no objects can fall into the channel and thus into the tank. Furthermore, in the closed position, ejection of fuel from the tank can be avoided. When inserting the dispensing tube into the insertion tube and thus into the channel, the dispensing tube comes in support system with the closing element. If the dispensing tube is then further inserted into the channel, then the closing element is moved by means of the dispensing tube from the closed position into the open position. Then, for example, at least the portion of the channel is closed by means of the dispensing tube.

Further, the DE 199 03 545 A1 a fuel tank with a filling channel, the upper end of which has a receiving portion for a dispensing tube of a nozzle forming longitudinal portion. Usually, a complex and thus cost-intensive production of conventional filling devices is required.

Object of the present invention is therefore to develop a filling device of the type mentioned in such a way that the filling device can be produced in a particularly simple and cost-effective manner.

This object is achieved by a filling device having the features of patent claim 1. Advantageous embodiments with expedient developments of the invention are specified in the remaining claims.

In order to develop a filling device specified in the preamble of claim 1 type such that the filling device can be produced in a particularly simple and cost-effective manner, it is provided according to the invention that the insertion tube and the screen are formed by a one-piece component, on which the closing element movable is held. In other words, it is inventively provided that the insertion tube and the screen are integrally formed with each other, whereby a one-piece, the insertion tube and the screen-forming component is formed, on which the closing element is movable, in particular pivotable about a pivot axis held.

Due to the one-piece design of the insertion tube with the sieve, the number of parts of the filling device can be kept particularly low, so that the filling device can be manufactured and assembled in a simple and cost-effective manner. The sieve has, for example, a sieve body and a sieve element, wherein the sieve element can be flowed through, for example, by the liquid fuel, it being possible for any suspended matter contained in the fuel to be retained by means of the sieve element. As a result, the suspended particles possibly contained in the fuel can be filtered out of the fuel by means of the sieve element. Under the one-piece design of the sieve with the insertion tube is to understand that, for example, the screen body on which the screen element is held, is formed integrally with the insertion tube. For example, it is provided that the screen body has at least one through-flow through the fuel passage opening, wherein in the passage opening the screen element is arranged. It can be provided that the screen element is formed integrally with the screen body.

The filling device according to the invention has at least one double function, wherein this dual function can be realized with a very small number of parts. A first function of the filling device is to filter the liquid fuel, which can be done by means of the sieve. A second function of the filling device is to avoid ejecting the fuel from the tank. This second function can be realized, for example, by the closing element, when the closing element is in the closed position and thereby closes at least a portion of the channel and thus fluidly blocked.

The introduction tube is a guide body for guiding the dispensing nozzle of the dispensing nozzle. Since the insertion tube and the sieve are formed integrally with each other or formed by the one-piece component, the insertion tube and the sieve - for example, in the context of production of the motor vehicle - can be easily connected to a filler neck by the one-piece component with the filler neck, in particular directly, is connected. A pre-assembly, in the context of which, for example, the insertion tube has to be connected to the sieve, is not provided and is not necessary, since the insertion tube is formed integrally with the sieve according to the invention in the filling device. As a result, with the connection of the component with the filler neck at the same time the connection of the insertion tube and the connection of the screen with the filler neck is accompanied, so that the filling device or the car can be made in a timely and cost-effective manner. Thus, the filling device according to the invention allows a simple design of the filling device as well as a simple and timely feasible installation of the filling device. Furthermore, the filling device according to the invention can be produced in a particularly cost-effective manner, since, for example, costs for tools for producing the filling device can be kept low. In particular, it is conceivable that the component is made of a plastic. In particular, it can be provided that the component is produced by injection molding, so that the component can be manufactured in a simple and cost-effective manner.

Further advantages, features and details of the invention will become apparent from the following description of a preferred embodiment and from the drawing. The features and feature combinations mentioned above in the description as well as the features and feature combinations mentioned below in the figure description and / or alone in the single figure can be used not only in the respectively indicated combination but also in other combinations or alone, without the frame to leave the invention.

The drawing shows in the single FIGURE is a schematic sectional view of a filling device for filling liquid fuel in a tank of a motor vehicle, wherein an insertion tube and a sieve of the filling device are formed by a one-piece component, on which a closing element is held movable.

The figure shows a schematic sectional view of a whole 10 designated filling device for filling liquid fuel into a tank of a motor vehicle. The motor vehicle is designed, for example, as a passenger car or commercial vehicle, wherein the liquid fuel may be gasoline or diesel. The filling device 10 includes an insertion tube 12 for guiding a dispensing tube of a fuel nozzle, by means of which the tank is filled with the liquid fuel and thus can be refueled. Furthermore, the filling device comprises 10 a to the insertion tube 12 subsequent sieve 14 for filtering the liquid fuel. In addition, the filling device has 10 one at least through the insertion tube 12 at least partially limited channel 16 for at least partially receiving the dispensing tube. Furthermore, the filling device comprises 10 at least one closing element in the form of a flap 18 which is between at least a portion of the channel 16 closing closed position and at least one part of the area releasing, shown in FIG. Open position relative to the insertion tube 12 and the sieve 14 movable and in the present case about a pivot axis 20 is pivotable. In the figure, a dashed line is illustrated 23 a trajectory along which the flap 18 is pivotable between the open position and the closed position. Preferably, it is provided that the channel 16 in the closed position of the flap 18 through the fold 18 at least predominantly, in particular completely, closed or fluidly blocked, so that, for example, no objects in the channel 16 and thus fall into the tank. Further, by means of the flap 18 prevented in the closed position ejecting fuel from the tank.

To fill the tank with the liquid fuel, the dispensing tube is at least partially in the insertion tube 12 and in the channel 16 plugged in. This is the flap 18 initially in its closed position, so that the nozzle initially in support system with the flap 18 comes. Then the dispenser continues in the channel 16 or in the insertion tube 12 plugged in, so will the flap 18 moved by the dispensing tube from the closed position to the open position. In this insertion of the dispensing tube in the channel 16 the dispensing tube is, for example, by means of the insertion tube 12 guided. This is done in particular in that the insertion tube 12 at least one at least substantially conical running and the channel 16 at least partially delimiting wall 22 has, so that the channel 16 in the direction of the sieve 14 at least substantially conically tapered. As a result, the dispensing tube sits securely in the channel 16 and can not while refueling from the channel 16 slip out.

In order to produce a particularly simple and cost-effective production of the filling device 10 to realize, are the insertion tube 12 and the sieve 14 by a one-piece component 24 formed, on which the flap 18 is held pivotally. In other words, the insertion tube 12 integral with the sieve 14 formed, causing the device 24 is formed. The component 24 can be connected in a simple manner and in particular directly to a filler neck, not shown in the figure, without a pre-assembly of the insertion tube 12 and the sieve 14 must be done. The one-piece component 24 is thus a combined body to form the sieve 14 and the insertion tube 12 so that the number of parts and thus the cost of producing the filling device 10 can be kept very low.

Preferably, the filling device comprises 10 at least one in the Fig. Not recognizable spring element, on the one hand at least indirectly on the flap 18 and on the other hand at least indirectly on the component 24 is supported. The spring element is in the open position of the flap 18 more tense than in the closed position. For example, the spring element by moving the flap 18 stretched from the closed position to the open position. As a result, the spring element exerts a spring force on the flap in the open position 18 out, with the flap 18 is moved by the spring force from the open position back into the closed position. As previously described, the flap will 18 moved by the dispensing tube from the closed position to the open position, whereby the spring element is tensioned. This is the flap 18 by means of at least partially in the channel 16 arranged dispensing tube against the provided by the tensioned spring element and on the flap 18 acting spring force held in the open position, as the flap 18 for example, at least partially the channel 16 arranged dispensing tube is supported.

If the dispensing tube from the channel after completion of refueling 16 pulled out, so the spring element can relax, so the flap 18 is moved by the spring force from the open position back into the closed position. To the weight of the filling device 10 To keep particularly low is the component 24 for example, formed from a plastic. In particular, it is conceivable that the component 24 produced by injection molding, whereby the component 24 can be made particularly simple and inexpensive.

LIST OF REFERENCE NUMBERS

10

filling device

12

insertion tube

14

scree

16

channel

18

flap

20

swivel axis

22

wall

23

dashed line

24

module

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 202006006201 U1 [0002]
• DE 19903545 A1 [0006]

Claims (4)

Filling device ( 10 ) for filling liquid fuel in a tank of a motor vehicle, with an insertion tube ( 12 ) for guiding a dispensing tube of a fuel nozzle, with a to the insertion tube ( 12 ) subsequent sieve ( 14 ) for filtering the fuel, with a through the insertion tube ( 12 ) at least partially limited channel ( 16 ) for at least partially receiving the dispensing tube, and with at least one closing element ( 18 ), which between at least a portion of the channel ( 16 ) closing the closed position and at least one part of the area releasing open position relative to the insertion tube ( 12 ) and the sieve ( 14 ) is movable, characterized in that the insertion tube ( 12 ) and the sieve ( 14 ) by a one-piece component ( 24 ) are formed, on which the closing element ( 18 ) is held movable. Filling device ( 10 ) according to claim 1, characterized in that the closing element ( 18 ) about a pivot axis ( 20 ) relative to the device ( 24 ) is pivotable. Filling device ( 10 ) according to claim 1 or 2, characterized in that a spring element is provided, which is stretched in the open position stronger than in the closed position and thereby on the closing element ( 18 ) exerts a spring force, by means of which the closing element ( 18 ) is movable from the open position to the closed position. Filling device ( 10 ) according to one of the preceding claims, characterized in that the component ( 24 ) is formed of a plastic.

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