A magneto inductive flow measuring device having a measuring tube and at least one magnet system arranged on the measuring tube, wherein the measuring tube has at least one planar area and an otherwise cylindrical lateral surface, which border the measuring tube from its environment, against which p
A magneto inductive flow measuring device having a measuring tube and at least one magnet system arranged on the measuring tube, wherein the measuring tube has at least one planar area and an otherwise cylindrical lateral surface, which border the measuring tube from its environment, against which planar area the magnet system is prestressed The magnet system is prestressed against the planar area of the measuring tube by means of a screwed connection between measuring tube and magnet system and/or the magnet system is prestressed against the planar area of the measuring tube by means of a mounting clip, which is secured shape-interlocked to the measuring tube. A method for manufacturing the magneto inductive, flow measuring device is also discussed.
대표청구항▼
1. A magneto inductive flow measuring device, comprising: a measuring tube; andat least one magnet system arranged on said measuring tube, wherein:said measuring tube has at least one planar area and an otherwise cylindrical lateral surface, which border said measuring tube from its environment, aga
1. A magneto inductive flow measuring device, comprising: a measuring tube; andat least one magnet system arranged on said measuring tube, wherein:said measuring tube has at least one planar area and an otherwise cylindrical lateral surface, which border said measuring tube from its environment, against which planar area said magnet system is prestressed;said magnet system is prestressed against said planar area of said measuring tube by means of a screwed connection between said measuring tube and said magnet system and/or said magnet system is prestressed against said planar area of said measuring tube by means of a mounting clip, which is secured shape-interlocked to said measuring tube. 2. The magneto inductive flow measuring device as claimed in claim 1, wherein: said mounting clip engages in at least one cavity in a flange of said measuring tube. 3. The magneto inductive flow measuring device as claimed in claim 1, wherein: a plug connector element for electrical connection of said magnet system is arranged on said magnet system; andsaid plug connector element is arranged between said mounting clip and said measuring tube. 4. The magneto inductive flow measuring device as claimed in claim 1, wherein: said magnet system includes a pole shoe, a coil and a field guide-back sheet metal;said field guide-back sheet metal is arranged between said coil and said mounting clip; andsaid coil is arranged between said pole shoe and said field guide-back sheet metal. 5. The magneto inductive flow measuring device as claimed in claim 1, wherein: said magnet system includes a coil and a pole shoe;said coil includes a coil core;said pole shoe is prestressed with a predetermined force against the planar area of said measuring tube; andsaid coil core is prestressed with the same predetermined force against said pole shoe. 6. The magneto inductive flow measuring device as claimed in claim 1, wherein: said magnet system includes a pole shoe, which has a planar area, which transversely to a longitudinal axis of said measuring tube is wider than said planar area of said measuring tube. 7. The magneto inductive flow measuring device as claimed in claim 1, wherein: said magnet system includes a coil and a pole shoe;said pole shoe has a pin or a socket, on which said coil is inserted; andsaid pole shoe is oriented relative to said measuring tube such that said pin or said socket has a longitudinal axis, which coincides with a diameter of said measuring tube. 8. The magneto inductive flow measuring device as claimed in claim 1, wherein: said magnet system includes a pole shoe and a coil core, which coil core has a contour complementary to said pole shoe. 9. The magneto inductive flow measuring device as claimed in claim 4, wherein: an imaginary plane, in which the measuring tube axis lies and which intersects said planar area of said measuring tube perpendicularly, divides said planar area of said measuring tube into two equally large parts; andsaid pole shoe is constructed mirror symmetrically about the imaginary plane as a mirror plane. 10. The magneto inductive flow measuring device as claimed in claim 4, wherein: said pole shoe is so formed relative to said measuring tube that it contacts said planar area of said measuring tube and has a predetermined minimum separation relative to the otherwise cylindrical lateral surface of said measuring tube; andit surrounds said measuring tube with a circular arc angle of at least 10°. 11. The magneto inductive flow measuring device as claimed in claim 1, wherein: said planar area has in the axial direction of said measuring tube an axial shoulder for said magnet system. 12. The magneto inductive flow measuring device as claimed in claim 1, wherein: said measuring tube has, parallel to the measuring tube axis and planparallel to said planar area, another planar area, against which a further magnet system, especially an equally constructed magnet system, is prestressed. 13. A method for manufacturing a magneto inductive, flow measuring device, comprising: a measuring tube; and at least one magnet system arranged on said measuring tube, wherein: said measuring tube has at least one planar area and an otherwise cylindrical lateral surface, which border said measuring tube from its environment, against which planar area said magnet system is prestressed; said magnet system is prestressed against said planar area of said measuring tube by means of a screwed connection between said measuring tube and said magnet system and/or said magnet system is prestressed against said planar area of said measuring tube by means of a mounting clip, which is secured shape-interlocked to said measuring tube, comprising the steps of: providing a measuring tube having a circularly cylindrical shaped lateral surface is provided with a planar area, against which a magnet system is prestressed;prestressing the magnet system against the planar area of the measuring tube by means of a screwed connection between measuring tube and magnet system; and/orpresstressing the magnet system against the planar area of the measuring tube by means of a mounting clip, which is secured shape-interlocked to the measuring tube. 14. The method as claimed in claim 13, wherein: a preassembly of the magnet system first occurs and then the preassembled magnet system is secured on the measuring tube by the mounting clip and/or a screwed connection.
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이 특허에 인용된 특허 (8)
Garcia-Gutierrez Pedro A.,ESX ; Fraile-Mora Jesus,ESX, Control circuits for an electromagnetic flow meter.
Hansen Henning M. (Nordborg DKX) Jacobsen Hans E. (Nordborg DKX) Hansen Henry (Grsten DKX) Lassithiotakis Konstantin (Langeskov DKX) Pedersen Allan S. (Sonderborg DKX) Nyrup John (Sonderborg DKX), Electromagnetic flow meter.
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