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Water injection device with at least two tanks

A technology of water jetting equipment and water jetting, which is applied in the direction of adding non-fuel substances to mechanical equipment, machines/engines, fuel, etc., which can solve the problem of no installation space and achieve the effect of low cost

Active Publication Date: 2019-03-15
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this also has the disadvantage that there is generally no corresponding installation space in the vehicle for this

Method used

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  • Water injection device with at least two tanks
  • Water injection device with at least two tanks
  • Water injection device with at least two tanks

Examples

Experimental program
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Embodiment Construction

[0029] figure 1 A water jetting device 1 according to a first preferred embodiment of the invention is shown.

[0030] as from figure 1 As can be seen in the figure, the water spraying device 1 comprises a plurality of water sprayers 2 which are arranged on a water rail 6 . exist figure 1 Schematically shown in , water is injected directly into the combustion chamber 15 at the water injector 2 . However, it should be noted that it is also possible to inject water into the intake system of the internal combustion engine or both directly into the combustion chamber and into the intake system of the internal combustion engine.

[0031] Furthermore, the water spraying device 1 includes a first tank 3 and a second tank 4 for storing water. The first tank 3 is connected with the water rail 6 through the first water pipe 11 . The second tank 4 is connected with the first water pipe 11 through the second water pipe 12 .

[0032] Furthermore, a single double-acting pump 5 is arra...

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PUM

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Abstract

The present invention relates to a water injection device (1) of an internal combustion engine, comprising: at least one first water injector (2) for injecting water, a first tank (3) for storing water, a second tank (4) for storing water, a first water line (11) from the first tank (3) to the water injector (2), a second water line (12) from the second tank (4) to the water line (11), and a single pump (5) which is arranged in the first water line (11), wherein the single pump (5) is designed as a double-acting pump, which can convey in a first direction and a second direction opposite to thefirst direction.

Description

technical field [0001] The invention relates to a water spraying device with several water tanks and exactly one single pump device. Background technique [0002] In order to reduce the tendency to knock and to reduce high exhaust gas temperatures, it is known in internal combustion engines to inject water into the combustion chamber and / or into the intake system of the internal combustion engine by means of water injection systems. In this case, it must be ensured that sufficient water is always present for injection when the internal combustion engine is running. In this case, it may be advantageous, in particular during use in a vehicle, that the user of the vehicle does not have to refill the water tank himself. Therefore, the required tank must be designed as large as possible. However, this also has the disadvantage that there is generally no corresponding installation space in the vehicle for this. Contents of the invention [0003] In contrast, the water injecti...

Claims

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Application Information

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IPC IPC(8): F02M25/03
CPCF02M25/0221F02M25/0227F02M25/03F02M25/025F02B47/02F02M25/0222
Inventor A·巴多尔P·格拉代尔P·申克
Owner ROBERT BOSCH GMBH
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