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Pressure meter

A pressure gauge and pressure technology, which is applied in the direction of measuring fluid pressure, measuring fluid pressure through mechanical components, elastic deformation gauge type fluid pressure measurement, etc., can solve the problems of life reduction, affecting measurement accuracy, etc.

Inactive Publication Date: 2005-06-01
EBO EHARD BOCARD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this known pressure gauge is that the pressure is transmitted via the diaphragm to the indicating mechanism, which deforms under continuous load, which leads to a reduction in its life
The disadvantage of this indicating mechanism is that it cannot always ensure that the arc-shaped rack is in contact with the driving gear, which will affect the measurement accuracy

Method used

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Embodiment Construction

[0032] figure 1 A preferred embodiment of the pressure gauge according to the invention is schematically depicted and generally designated by the reference numeral 10 . The manometer has a diaphragm 14 , a disk spring 16 , a clamping ring 18 , an indicator 20 , a pointer 22 and a sight glass 24 in a housing 12 thereof.

[0033] Material located in a fire extinguishing device (not shown) flows through a channel 26 in the direction of the membrane 14 and is pressed against the membrane 14 depending on the pressure of the material, which is determined by its fill volume. The diaphragm 14 is deformed under pressure and is pressed against an elbow lever 28 which is in contact with the disk spring 16 and which is rotatably supported about a pivot axis 30 . The displacement movement of the diaphragm 14 is thus converted into a rotation of the toggle lever 28 . The indicating mechanism 20 transmits the movement of the toggle lever 28 to the pointer 22 which is deflected according to...

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Abstract

The invention discloses a pressure gauge (10) and an indicating mechanism (20) for use in such a pressure gauge (10). The pressure gauge (10) has a diaphragm (14), an indicator (20) and a pointer (22) in a housing (12). The diaphragm (14) is arranged to be deformed by the pressure to be measured. The indicating mechanism (20) is arranged to deflect the pointer (22) according to the deformation of the diaphragm (14). A clamping ring (18) is fixed between the diaphragm (14) and the indicator (20).

Description

technical field [0001] The invention relates to a pressure gauge with a housing housing a diaphragm, an indicating mechanism and a pointer inside. Furthermore, the invention relates to an indicating mechanism for use in such a manometer. Background technique [0002] The pressure gauge according to the invention is used, for example, in fire extinguishing installations to continuously indicate the pressure of materials in the fire extinguishing installation, such as the pressure of powder, polytetrafluoroethylene, water or foam, for which reason it is also called a pressure indicator . It can be used to check the performance of the fire extinguishing device at any time only by reading. [0003] A pressure gauge is known which has a diaphragm, an indicating mechanism and a pointer in a housing. A disadvantage of this known pressure gauge is that the pressure is transmitted via the diaphragm to the indicating means, which deforms under continuous load, which leads to a redu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L19/08G01L7/02G01L7/08
CPCG01L7/084
Inventor 罗尔夫·米勒
Owner EBO EHARD BOCARD
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