IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0312433
(2007-10-15)
|
등록번호 |
US-8365592
(2013-02-05)
|
우선권정보 |
DE-10 2006 053 399 (2006-11-10) |
국제출원번호 |
PCT/EP2007/060964
(2007-10-15)
|
§371/§102 date |
20100112
(20100112)
|
국제공개번호 |
WO2008/055758
(2008-05-15)
|
발명자
/ 주소 |
|
출원인 / 주소 |
- Endress + Hauser GmbH + Co. KG
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
2 |
초록
▼
A measuring probe for a measuring device for ascertaining and monitoring fill level of a medium in a container. The measuring probe includes: a probe holding element, which is mounted on the container; and a probe element, which is secured in an axial bore of the probe holding element by means of a
A measuring probe for a measuring device for ascertaining and monitoring fill level of a medium in a container. The measuring probe includes: a probe holding element, which is mounted on the container; and a probe element, which is secured in an axial bore of the probe holding element by means of a releasable securement structure. A first cavity is provided in the axial bore of the probe holding element and a second cavity on the probe element, and a locking element is provided, which, in a final position of the mounting of the probe element in the probe holding element, protrudes into the first cavity and into the oppositely lying second cavity on the probe element and, thus, forms an axial locking.
대표청구항
▼
1. A measuring probe for a measuring device for ascertaining and monitoring fill level of a medium in a container is composed essentially of two regions, a measurement-active region, and a measurement-inactive region, comprising: a probe holding element in said measurement-inactive region of the mea
1. A measuring probe for a measuring device for ascertaining and monitoring fill level of a medium in a container is composed essentially of two regions, a measurement-active region, and a measurement-inactive region, comprising: a probe holding element in said measurement-inactive region of the measuring probe, which is mounted on the container and which defines an axial bore; anda probe element, which is secured in an axial bore of said probe holding element by means of a releasable securement means and which represents said measurement-active region for that part of said probe element which is outside said axial bore in said probe holding element of the measuring probe;a first cavity provided in said axial bore of said probe holding element;a second cavity on said probe element; anda locking element provided, which, in a final position of the mounting of said probe element in said probe holding element, protrudes into said first cavity and into the oppositely lying second cavity on said probe element and, thus, forms an axial locking, in which said releasable securement means, said first cavity, said second cavity and said locking element are so embodied, that no disturbance reflections of the high-frequency measuring signal are created in said measurement-inactive region of the measuring probe in the form of a coaxial conduction system due to resistance changes from geometrical changes. 2. The measuring device as claimed in claim 1, wherein: said locking element, said first cavity and/or said second cavity are accordingly embodied and arranged relative to one another in such a manner that, for releasing of said axial locking, a predefined axial tensile force is applied to said probe element. 3. The measuring device as claimed in claim 1, further comprising: a screw thread provided as releasable securement means. 4. The measuring device as claimed in claim 1, further comprising: a bayonet securement provided as releasable securement means. 5. The measuring device as claimed in claim 1, wherein: said locking element remains in said first cavity or in said second cavity during the releasing of the axial locking. 6. The measuring device as claimed in claim 1, wherein: a resilient, annular element is provided as said locking element. 7. The measuring device as claimed in claim 1, wherein: said locking element is embodied as a spring-biased element. 8. The measuring device as claimed in claim 1, wherein: an O ring is provided as locking element, said O ring comprises an elastic material, which, supplementally to the locking function, fulfills a sealing function. 9. The measuring device as claimed in claim 1, wherein: said releasable securement means is embodied as an integral part of said locking element. 10. The measuring device as claimed in claim 1, wherein: said first cavity has an undercutting relative to said locking element; and/orthat said second cavity on said probe element has an overcutting relative to said locking element. 11. The measuring device as claimed in claim 1, wherein: said second cavity on said probe element has chamfers or roundings on at least one corner of said second cavity for improving releasability of said probe element. 12. The measuring device as claimed in claim 1, wherein: said probe holding element is embodied as at least two parts, and, at a location of separation of individual parts, said first cavity is located, in which said securement element is mountable before assembly of said individual parts.
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