Device for sensing relative movements between an object and a baseplate
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01D-007/00
G01J-001/42
출원번호
US-0904542
(2001-07-16)
우선권정보
DE-0034569 (2000-07-14)
발명자
/ 주소
Gombert, Bernd
Dietrich, Johanndes
Senft, Volker
출원인 / 주소
Deutsches Zentrum fur Luft- und Raumfahrt e.V.
대리인 / 주소
Browdy and Neimark, P.L.L.C.
인용정보
피인용 횟수 :
13인용 특허 :
7
초록▼
For sensing the relative movements of an object a force sensing unit (15) comprises a stationary supporting means (6) and a cap (150) located movable relative to said supporting means as well as a force/moment sensor (1) for sensing the three possible translational and three possible rotational move
For sensing the relative movements of an object a force sensing unit (15) comprises a stationary supporting means (6) and a cap (150) located movable relative to said supporting means as well as a force/moment sensor (1) for sensing the three possible translational and three possible rotational movements of the cap relative to said supporting means. Said sensing unit with its cap is secured in the middle of said input flange and with its supporting means to said other flange so that it does not come into contact with said intermediate part (14), or is secured differingly to the latter by its cap to a connecting part (19) provided in the middle portion of said approximately ring-shaped intermediate part and protruding into the interior thereof and by its supporting means to said other flange, so that translational and rotational relative movements between said input flange and said flange secured to said baseplate are communicated via said intermediate part to said sensing unit and to said force/moment sensor contained therein.
대표청구항▼
For sensing the relative movements of an object a force sensing unit (15) comprises a stationary supporting means (6) and a cap (150) located movable relative to said supporting means as well as a force/moment sensor (1) for sensing the three possible translational and three possible rotational move
For sensing the relative movements of an object a force sensing unit (15) comprises a stationary supporting means (6) and a cap (150) located movable relative to said supporting means as well as a force/moment sensor (1) for sensing the three possible translational and three possible rotational movements of the cap relative to said supporting means. Said sensing unit with its cap is secured in the middle of said input flange and with its supporting means to said other flange so that it does not come into contact with said intermediate part (14), or is secured differingly to the latter by its cap to a connecting part (19) provided in the middle portion of said approximately ring-shaped intermediate part and protruding into the interior thereof and by its supporting means to said other flange, so that translational and rotational relative movements between said input flange and said flange secured to said baseplate are communicated via said intermediate part to said sensing unit and to said force/moment sensor contained therein. he interior surface of the header member has an outer edge with an outward extending rim and the sensor device has a disk shape with an upper outer edge that has a step therein, said rim being seated on the step, and the predetermined profile of the interior surface of the sensor includes an annular groove and the predetermined profile of the thin wall diaphragm section includes an annular raised portion that fits snug within the annular groove in the interior surface of the sensor device. 6. A pressure sensing device adapted to measure pressure of a fluid, including a body member made of an inert material that does not react chemically with the fluid, said body member having an inlet into which the fluid is introduced and a first thin wall diaphragm section integral with the body member, said first thin wall diaphragm section having an exterior surface and an interior surface, a sensor device that provides a signal proportionate to the pressure of the fluid within body member, said sensor device having an exterior surface with a bridge resistor circuit mounted thereon and an interior surface with an annular groove therein, said first thin wall diaphragm section having an annular raised portion that fits snug within the annular groove in the interior surface of the sensor device, a header member that overlies the sensor device and has an interior surface that bears against the exterior surface of the sensor device, said interior surface of the header member and the exterior surface of the sensor device having elements therein that mate with each other, and a liner member made of an inert material that does not react chemically with the fluid and that fits within the body member adjacent the first thin wall diaphragm section and includes a second thin wall diaphragm section integral with the liner member, said second thin wall diaphragm section having an exterior surface of a shape that conforms to the interior surface of the first thin wall diaphragm section and abuts and covers substantially the entire interior surface of the first thin wall diaphragm. 7. The pressure sensing device of claim 6 where said first and second thin wall diaphragm sections each have a thickness that is less than 0.05 inch. 8. The pressure sensing device of claim 7 where the first and second thin wall diaphragm sections each have a thickness of from 0.005 to 0.05 inch. 9. The pressure sensing device of claim 6 where the interior surface of the header member has an outer edge with an outward extending rim and the sensor device has a disk shape with an upper outer edge that has a step therein, said rim being seated on the step. 10. The pressure sensing device of claim 6 where the body member and liner member have elements therein that mate with each other. 11. A pressure sensing device adapted to measure pressure of a fluid, including a body member having an exterior and made of an inert material that does not react chemically with the fluid, a liner member made of an inert material that does not react chemically with the fluid and seated within the body member, said body member and said liner member each having an inlet into which the fluid is introduced and a thin wall diaphragm section, said thin wall diaphragm section of the body member being integral therewith and said thin wall diaphragm section of the liner member being integral therewith, and said thin wall diaphragm sections of the body member and liner member being nested snugly together, and a sensor device that provides a signal proportionate to the pressure of the fluid within body member and is mounted to the exterior of the body member adjacent the thin wall diaphragm section of the body member in a manner that causes the sensor device to change shape as the thin wall diaphragm section changes shape in response to changes in the pressure of the fluid within the housing. 12. The pressure sensing device of claim 11 where the said thin wall diaphragm sections of the body member and liner member are at least in part contiguous and abutting. 13. The pressure sensing device of claim 12 where liner member nests within the body member and are brought into contact with each other using vacuum to substantially eliminate any gas therebetween. 14. The pressure sensing device of claim 11 where both the body member and the liner member have an inlet and an outlet and the fluid flows through the body member and the liner member during measurement of the pressure. 15. A pressure sensing device adapted to measure pressure of a fluid, including a body member having an exterior and made of an inert material that does not react chemically with the fluid, said body member having an inlet into which the fluid is introduced and a first thin wall diaphragm section integral with the body member, said first thin wall section having a thickness that is less than 0.05 inch and an exterior surface and an interior surface, and a sensor device that provides a signal proportionate to the pressure of the fluid within body member and is mounted to the exterior of the body member adjacent the exterior of the first thin wall diaphragm section of the body member in a manner that causes the sensor device to change shape as the first thin wall diaphragm section changes shape in response to changes in the pressure of the fluid within the body member. 16. The pressure sensing device of claim 15 including a header member that overlies the sensor device and has an interior surface that bears against an exterior surface of the sensor device, said interior surface of the header member and the exterior surface of the sensor device having elements therein that mate with each other. 17. The pressure sensing device of claim 15 including a liner member made of an inert material that does not react chemically with the fluid and that fits within the body member adjacent the first thin wall diaphragm section of the body member and includes a second thin wall diaphragm section integral with the liner member. 18. The pressure sensing device of claim 17 where said second thin wall diaphragm section has an exterior surface of a shape that conforms to the interior surface of the first thin wall diaphragm section and abuts and covers substantially the entire interior surface of the first thin wall diaphragm. 19. The pressure sensing device of claim 17 the body member and liner member having elements therein that mate with each other. 20. The pressure sensing device of claim 15 where the sensor device has an exterior surface with a bridge resistor circuit mounted thereon and an interior surface with a groove therein that mates with a raised portion on the exterior surface of the first thin wall diaphragm section. 21. A pressure sensing device adapted to measure the pressure of a corrosive fluid and including a dual containment system, said device comprising a pressure sensor, a chamber having an inlet into which the fluid is introduced and an internal surface in contact with the fluid that is made of a material that does not react with the fluid, said chamber having a thin wall in contact with the sensor which is mounted outside to the chamber and next to the thin wall, said sensor and wall having mating surfaces, and said thin wall acting as a secondary fluid containment barrier, and a primary containment barrier within the chamber made of a material that does not react with the fluid, said thin wall and primary containment barrier having mating surfaces, all said mating surfaces being in vacuum contact. 22. The device of claim 21 where the mating surfaces form interference fit seals. 23. The device of claim 22 where the mating surfaces forming interference fit seals are tongue and groove components. 24. The device of claim 21 where the primary containment barrier includes a plug adapted to receive a chemically inert plug having a chemically inert temperature probe therein. 25. The device of claim 21 including a clamping
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