IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0931760
(2001-08-20)
|
우선권정보 |
DE-100 50 300 (2000-10-10) |
발명자
/ 주소 |
- Karlheinz Banholzer DE
- Karl Flogel DE
- Frank Hegner DE
- Bernd Rosskopf DE
|
출원인 / 주소 |
- Endress + Hauser GmbH + Co. DE
|
대리인 / 주소 |
Jones, Tullar & Cooper, P.C.
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
3 |
초록
▼
A ceramic pressure measuring cell with a basic body (1, 3), a diaphragm (5) connected to the basic body (1, 3) to form a measuring chamber (7, 9), which during operation undergoes a deflection dependent on a pressure (p1-p2) to be measured and the deflection of which is registered by means of an ele
A ceramic pressure measuring cell with a basic body (1, 3), a diaphragm (5) connected to the basic body (1, 3) to form a measuring chamber (7, 9), which during operation undergoes a deflection dependent on a pressure (p1-p2) to be measured and the deflection of which is registered by means of an electromechanical transducer and is made accessible for further evaluation and/or processing, and a bore (13, 17) which penetrates the basic body (1, 3) and into which a small pressure tube (15, 19) is soldered in a pressure-resistant and gastight manner, and via which a pressure (p1, p2) is introduced into the measuring chamber (7, 9), is provided, in which a volume inside the measuring cell and the small pressure tube is precisely known, since the mechanical stop (33, 35) fixes a depth of penetration of the small pressure tube (15, 19) into the basic body (1, 3).
대표청구항
▼
1. A ceramic pressure measuring cell witha basic body (1, 3) a diaphragm (5) connected to the basic body (1, 3) to form a measuring chamber (7, 9), which during operation undergoes a deflection dependent on a pressure (p1-p2) to be measured, an electromechanical transducer, which serves the purpose
1. A ceramic pressure measuring cell witha basic body (1, 3) a diaphragm (5) connected to the basic body (1, 3) to form a measuring chamber (7, 9), which during operation undergoes a deflection dependent on a pressure (p1-p2) to be measured, an electromechanical transducer, which serves the purpose of registering the deflection of the diaphragm (5) and making it accessible for further evaluation and/or processing, and a bore (13, 17) which penetrates the basic body (1, 3) and into which a small pressure tube (15, 17) is mounted in a pressure-resistant and gastight manner, and via which a pressure (p1, p2) is introduced into the measuring chamber (7, 9), and a mechanical stop (33, 35), by which a depth of penetration of the small pressure tube (15, 19) into the basic body (1, 3) is fixed.
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