IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0763780
(2007-06-15)
|
등록번호 |
US-7806009
(2010-10-26)
|
우선권정보 |
EP-06115981(2006-06-23) |
발명자
/ 주소 |
- Tottewitz, Michael
- Caderas, Daniel
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
12 |
초록
▼
An immersion tube for a measuring probe of a type where a sensor element is arranged at the end of the measuring probe has a sleeve and an end piece. The end piece includes a plug, a connector piece, and a protector basket arranged between the plug and the connector piece. The connector piece connec
An immersion tube for a measuring probe of a type where a sensor element is arranged at the end of the measuring probe has a sleeve and an end piece. The end piece includes a plug, a connector piece, and a protector basket arranged between the plug and the connector piece. The connector piece connects the end piece to the sleeve and has an internal diameter that is enlarged relative to the internal diameter of the protector basket. The enlarged internal diameter portion ends at a circular internal step that can be seat for a sealing means, can provide a circular sealing lip, or both. A breakthrough opening on the protector basket is arranged perpendicular to the longitudinal axis of the immersion tube, whereby the sensor element which in operation is located in the protector basket can be brought into direct contact with a measurement medium. All surfaces and edges of the immersion tube which are exposed to the measurement medium during operation are smooth and rounded.
대표청구항
▼
What is claimed is: 1. A tube for immersing, in a liquid measuring medium, a measuring probe having a sensor element arranged at an end thereof, the immersion tube comprising: a sleeve; and an end piece, comprising a plug, a connector piece, and a protector basket arranged therebetween; the connect
What is claimed is: 1. A tube for immersing, in a liquid measuring medium, a measuring probe having a sensor element arranged at an end thereof, the immersion tube comprising: a sleeve; and an end piece, comprising a plug, a connector piece, and a protector basket arranged therebetween; the connector piece connecting the end piece to the sleeve and having an internal diameter that is enlarged relative to an internal diameter of the protector basket, the enlarged internal diameter ending at a circular internal step; the protector basket having at least one breakthrough opening, arranged perpendicular to a longitudinal axis of the immersion tube, so that an operatively-positioned sensor element of the measuring probe would be located in the protector basket in a manner that is in direct contact with the measurement medium; and wherein all surfaces and edges of the immersion tube that are exposed to the measurement medium during operation are smooth and rounded. 2. The immersion tube of claim 1, wherein: an internal surface of the protector basket which borders on the plug slopes downwardly towards the outside, in at least one direction. 3. The immersion tube of claim 1, wherein: the circular internal step provides a seat for a sealing means. 4. The immersion tube of claim 1, wherein: the circular internal step is configured as a circular sealing lip. 5. The immersion tube of claim 4, wherein: a free end of the circular sealing lip is configured as a sharp edge, and the circular sealing lip meets the measuring probe, when seated in the immersion tube, at a clearance angle greater than 0°. 6. The immersion tube of claim 1, wherein: the sleeve and the end piece are joined by an integral material connection. 7. The immersion tube of claim 1, wherein: a sleeve ending of the sleeve faces towards the end piece, with an outside diameter substantially equal to the connector piece internal diameter. 8. The immersion tube of claim 7, wherein: a rim of the sleeve ending and the circular internal step co-act to form a seat for a sealing means. 9. The immersion tube of claim 1, wherein: a sleeve ending of the sleeve faces towards the end piece, with an internal diameter that is enlarged in comparison to an oppositely-facing part of the sleeve, the enlarged internal diameter being about equal to the connector piece internal diameter. 10. The immersion tube of claim 9, further comprising: an internal sleeve, arranged in part inside each of the sleeve and the connector piece. 11. The immersion tube of claim 10, wherein: a rim of the internal sleeve which faces towards the end piece and the circular internal step co-act to form a seat for a sealing means. 12. A measuring probe housing, comprising: an immersion tube according to claim 1, with a measuring probe arranged interchangeably therein.
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