IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0363705
(2001-06-02)
|
우선권정보 |
DE-0045235 (2000-09-13) |
국제출원번호 |
PCT/EP01/06320
(2001-06-02)
|
국제공개번호 |
WO02/23139
(2002-03-21)
|
발명자
/ 주소 |
- Schroth, Herbert
- Wendler, Armin
|
출원인 / 주소 |
- Endress + Hauser GmbH + Co. KG
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
9 인용 특허 :
7 |
초록
▼
The invention relates to a filling level measuring device which is used to measure the level of a filling material in a container. A probe is provided, which protrudes inside the container. The filling level measuring device can be mounted and dismounted without the probe needing to be moved in the
The invention relates to a filling level measuring device which is used to measure the level of a filling material in a container. A probe is provided, which protrudes inside the container. The filling level measuring device can be mounted and dismounted without the probe needing to be moved in the container. The inventive device comprises a housing consisting of a first section, and a second section, the sections respectively comprising a central axial bore whereby the first section has an interior diameter which is smaller than that of the second section. A securing device is provided on the housing for securing the filling level measuring device onto the container. An insert is disposed in the housing in such a way so that it can pivot in relation to the housing, the insert being placed on a surface between the first and the second sections. A probe protrudes into the container and a connecting element is provided which connects the insert and the sensor along a prolongation of a longitudinal axis of the probe.
대표청구항
▼
1. Fill level measurement apparatus for measuring a fill level of a fill material in a container, which includes:a housing having a first section and a second section, said first section and said second section each have a central, axial bore, wherein the first section has a smaller inner diameter t
1. Fill level measurement apparatus for measuring a fill level of a fill material in a container, which includes:a housing having a first section and a second section, said first section and said second section each have a central, axial bore, wherein the first section has a smaller inner diameter than the second section;a securing device provided on said housing for securing the fill level measurement apparatus on the container;an insert arranged in said housing rotatably relative to said housing, said insert being supported rotatably on a terrace surface between said first section and said second section;a probe extending into the container; anda connecting element which connects said insert and said probe along an extension of a longitudinal axis of said probe. 2. The fill level measurement apparatus as claimed in claim 1, which said connecting element is a threaded rod screwed into said insert, and said probe is screwed onto an end of said threaded rod extending through said first section. 3. The fill level measurement apparatus as claimed in claim 1, further including: a seal arranged between a second section far end of said first section and said probe. 4. The fill level measurement apparatus as claimed in claim 3, in which said seal has a conical, outer, lateral surface, with which it contacts an inner, lateral surface of said first section of said housing rotatably relative to said housing about a longitudinal axis of said probe. 5. The fill level measurement apparatus as claimed in claim 3, in which said seal has a conical, inner, lateral surface, which contacts an outer, lateral surface of said probe and by way of which said seal is pressed in the direction of said second section as said probe is screwed in. 6. The fill level measurement apparatus as claimed in claim 1, in which said seal is a ring with doubly conical cross section. 7. The fill level measurement apparatus as claimed in claim 1, in which said seal has internally and/or externally an annular, encircling groove, in which an additional sealing element is located. 8. The fill level measurement apparatus as claimed in claim 7, in which said additional sealing element is a shaft seal. 9. The fill level measurement apparatus as claimed in claim 1, in which said probe in operation is fed with electromagnetic signals, which move along said probe to the fill material surface, are reflected there, and then received back, and whose travel time is a measure for the instantaneous fill level. 10. The fill level measurement apparatus as claimed in claim 1, in which said probe forms together with a wall of the container a capacitor, whose capacity depends on the instantaneous fill level and is registered by means of a measurement circuit and transformed into a fill level dependent measurement signal. 11. The fill level measurement apparatus as claimed in claim 1, in which a fixing of said probe is possible with a clamping pin, which protrudes through an opening in a wall of said second section into a recess in said insert.
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