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Tank ventilation device, motor vehicle, method for controlling a fuel mixture composition, and control device therefor

A technology for exhaust devices and fuel tanks, applied to fuel injection devices, adding non-fuel substances to fuel, machines/engines, etc., can solve the problems of engine speed fluctuations, unstable power and losses of internal combustion engines, and prevent speed fluctuations, Effect of reducing odor disturbance, simple fuel emission value

Active Publication Date: 2016-03-16
BAYERISCHE MOTOREN WERKE AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This leads to fluctuations in the engine speed, loss of scavenging gas for regeneration of the activated carbon bed and thus unstable power of the internal combustion engine

Method used

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  • Tank ventilation device, motor vehicle, method for controlling a fuel mixture composition, and control device therefor
  • Tank ventilation device, motor vehicle, method for controlling a fuel mixture composition, and control device therefor

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Embodiment Construction

[0047] Only those aspects of the invention which are of interest here are shown in the figures, all other aspects have been left out for the sake of clarity. Furthermore, the same reference numbers refer to the same components.

[0048] figure 1 A fuel tank venting device 1 according to a first advantageous further development of the invention is shown. The fuel tank venting device 10 is introduced here between the fuel tank 1 and the internal combustion engine 3 and comprises a fuel reservoir 2 with an activated carbon bed for storing fuel, which is connected to the fuel tank 1 via a fuel line 4 . The fuel accumulator 2 is connected to the internal combustion engine 3 via a vent line 5 on the side opposite the fuel tank 1 . For this purpose, vent line 5 includes a tank vent valve 7 , by means of which the inflow of fuel from fuel tank 1 and / or fuel accumulator 2 can be regulated.

[0049] An air intake line 9 is also connected to the fuel store 2 , by means of which scaven...

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PUM

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Abstract

The invention relates to a tank ventilation device for inserting between a fuel tank (1) and an internal combustion engine (3), comprising a fuel accumulator (2) having an activated charcoal bed for storing fuel, an aeration line (9) for feeding flushing gas into the fuel accumulator (2), a fuel line (4) for transporting fuel from a fuel tank (1) connected to the tank ventilation device (10) into the fuel accumulator (2), and a ventilation line (5) for transporting gases from the fuel accumulator (2) to an internal combustion engine (3), wherein at least one thermocouple (8) is arranged in the fuel accumulator (2) in a direct flow path (11) of the fuel between the fuel line (4) and the ventilation line (5).

Description

technical field [0001] The invention relates to a fuel tank venting device for introduction between a fuel tank and an internal combustion engine, a motor vehicle comprising such a fuel tank venting device, a device for controlling the composition of a combustible mixture for an internal combustion engine A method and a control device for executing the method. Background technique [0002] Fuel tank venting devices are known from the prior art in various embodiments. A fuel tank vent is typically disposed between the internal combustion engine and the fuel tank and includes a fuel reservoir containing a bed of activated carbon. The activated carbon bed is configured to receive and store fuel that has spilled from the fuel tank into the fuel storage, in particular as a result of temperature and / or pressure effects. Corresponding sensors arranged in the activated carbon bed indicate when the activated carbon bed is saturated with fuel. If the activated carbon bed is saturat...

Claims

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Application Information

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IPC IPC(8): F02M25/08
CPCF02M25/0854F02M2025/0881
Inventor M·施林茨A·朔伊雷尔
Owner BAYERISCHE MOTOREN WERKE AG
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