Device for measuring the fill level in a liquid container

A liquid container and measuring device technology, applied in the field of liquid level devices, to achieve the effect of saving application costs

Inactive Publication Date: 2011-05-04
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Depending on the tilted position of the liquid container and the measuring principle, it is also no longer possible to evaluate these measuring signals at all in the prior art

Method used

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  • Device for measuring the fill level in a liquid container
  • Device for measuring the fill level in a liquid container
  • Device for measuring the fill level in a liquid container

Examples

Experimental program
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Embodiment Construction

[0023] In the figures, mutually corresponding parts of different exemplary embodiments are expediently provided with the same reference symbols.

[0024] All figures show a combination that should be understood as an example—measuring device / support. The measuring devices and supports shown in each case can be combined with one another as desired.

[0025] A device for measuring a liquid level 12 of a liquid 16 placed in a liquid container 14 is shown generally at 10 in the drawing. The liquid container 14 has a cover section 18 approximately in the center of which a fill level sensor 20 is arranged.

[0026] In the exemplary embodiment shown in FIG. 1 , the fill level sensor 20 is designed as a capacitive sensor which at its upper end surrounds two, Horizontal axes of rotation 24 , 26 are pivotally mounted or suspended. Liquid container 14 in Figure 1a is shown in its horizontal neutral position (Neutralstellung), while in Figure 1b It is shown in the opposite inclined ...

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PUM

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Abstract

According to the invention, a device (10) for measuring the fill level (12) in a liquid container (14) has a fill level sensor (20) secured in the liquid container (14). The fill level sensor (20) is supported in pendulum-like fashion on the liquid container (14) about at least one rotary axis (24; 26).

Description

technical field [0001] The invention proceeds from a device for measuring a liquid level in a liquid container according to the classification according to claim 1 . Background technique [0002] Such devices are widely used in practice and are used, for example, to monitor the fluid level in the fuel tank or cooling water tank of a motor vehicle. If, for example, the fill level in the tank is too low or falls below a lower limit value, the fill level sensor transmits a corresponding electrical signal to the evaluation and control unit, which outputs a corresponding warning to the user. Undesired motor vehicle breakdowns or imminent engine damage are thereby prevented. [0003] For detecting the fill level in a liquid container, measuring devices are known, for example, with the following fill level sensors: [0004] - float with / without lever sensor, [0005] - ultrasonic sensors, [0006] - Capacitive sensors. [0007] In all these known measuring devices, the fill le...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F23/00G01F23/296G01F23/292G01F23/30G01F23/26
CPCG01C9/20G01F23/003G01F23/268G01F23/292G01F23/2962G01F23/2968G01F23/30G01F23/64G01F23/76G01F22/00
Inventor H-M·昂格尔
Owner ROBERT BOSCH GMBH
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