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Ring-shaped sensor casing

A sensor and ring-shaped technology, which is applied in the field of ring-shaped sensor shells, can solve the problem of inaccurate positioning of the rotation angle and achieve the effect of long service life

Inactive Publication Date: 2006-08-23
CARL FREUDENBERG KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its disadvantage is that the rotation angle positioning can only be imprecise

Method used

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  • Ring-shaped sensor casing
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  • Ring-shaped sensor casing

Examples

Experimental program
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Embodiment Construction

[0025] An embodiment of the sensor housing according to the invention is shown in longitudinal section in FIG. 1 . A sensor wheel 7 is non-rotatably connected to the shaft 1 . The shaft 1 protrudes to the outside through a central bore of the annular sensor housing 3 . The sensor housing 3 has an attachment part 10 for a shaft sealing ring 5 which seals the shaft 1 dynamically and the receiving bore 2 statically. The attachment part 10 of the shaft sealing ring 5 is preferably made of plastic, for example a thermoplastic material or a thermosetting material. In the embodiment described, the attachment part 10 and the sensor housing 3 are integrated and made of the same material. The sensor housing 3 is designed such that a narrow gap is formed between the sensor wheel 7 and the sensor housing. In the sensor housing 3 there is at least one sensor 4 . It is connected to an evaluation unit (not shown), which processes the signal carried by the radially protruding cable 9 into...

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Abstract

The invention discloses a sensor casing (3) for a shaft (1), which is fixed and has at least a sensor (4) for producing rotary motion and / or angle of rotation of the shaft (1). The sensor casing (3) is in the form of a circular ring, and surround the shaft (1) concentricly and at a distance at its outer circumference. The structure is showed by simple manufacture and installation, and adjusts accurately the sensor.

Description

Technical field: [0001] The present invention relates to a circular sensor housing for tracking the movement of a rotatable shaft. Background technique: [0002] Housings are known for arranging sensors by which the rotation of the shaft is tracked. [0003] A closing flange for sealing rotating machine parts is known from DE-U-20000694. It has a sensor which is fixed by means of spring elements. [0004] DE-A-19922215 describes a device by means of which a sensor can be adjusted within a housing. [0005] EP-A-495,323 describes a method of circular attachment of sensors. [0006] A shaft sealing ring with sensors is known from DE-A-19740348. This has the disadvantage that the rotational angle positioning can only be imprecise. Invention content: [0007] Based on these prior art, therefore, the object of the present invention is to provide a sensor housing which can be manufactured cost-effectively, does not require extensive adjustment work during installation, requ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01P1/02G01D11/24F16J15/326G01P3/44G01P3/487
CPCG01P3/487F16J15/326G01P1/026G01P3/443
Inventor 埃里克·卡梅勒多米尼克·路陶德
Owner CARL FREUDENBERG KG