DE69000209D1 - Spannungswellen-kraftmessdose. - Google Patents
Spannungswellen-kraftmessdose.Info
- Publication number
- DE69000209D1 DE69000209D1 DE9090301303T DE69000209T DE69000209D1 DE 69000209 D1 DE69000209 D1 DE 69000209D1 DE 9090301303 T DE9090301303 T DE 9090301303T DE 69000209 T DE69000209 T DE 69000209T DE 69000209 D1 DE69000209 D1 DE 69000209D1
- Authority
- DE
- Germany
- Prior art keywords
- load
- propagation
- propagation member
- transducer
- stress wave
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/25—Measuring force or stress, in general using wave or particle radiation, e.g. X-rays, microwaves, neutrons
- G01L1/255—Measuring force or stress, in general using wave or particle radiation, e.g. X-rays, microwaves, neutrons using acoustic waves, or acoustic emission
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Measurement Of Force In General (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Emergency Protection Circuit Devices (AREA)
- Discharge Heating (AREA)
- Control Of Direct Current Motors (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB898905821A GB8905821D0 (en) | 1989-03-14 | 1989-03-14 | A stress wave load cell |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69000209D1 true DE69000209D1 (de) | 1992-08-27 |
DE69000209T2 DE69000209T2 (de) | 1992-12-24 |
Family
ID=10653290
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE9090301303T Expired - Fee Related DE69000209T2 (de) | 1989-03-14 | 1990-02-07 | Spannungswellen-kraftmessdose. |
Country Status (8)
Country | Link |
---|---|
US (1) | US5004059A (de) |
EP (1) | EP0387996B1 (de) |
JP (1) | JPH02291933A (de) |
AT (1) | ATE78588T1 (de) |
DE (1) | DE69000209T2 (de) |
DK (1) | DK0387996T3 (de) |
ES (1) | ES2034816T3 (de) |
GB (1) | GB8905821D0 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5170366A (en) * | 1989-10-30 | 1992-12-08 | Frank Passarelli | Apparatus for measuring load by propagation of an acoustic wave within a rigid structure |
US5219032A (en) * | 1992-03-13 | 1993-06-15 | Fairbanks Inc. | Microwave electronic load measuring system |
GB0207322D0 (en) * | 2002-03-28 | 2002-05-08 | Rolls Royce Plc | A method of detecting a change in the structure of a complex shape article |
FI20040044A0 (fi) * | 2003-08-20 | 2004-01-15 | Raimo Erik Sepponen | Menetelmä ja laiteisto valvontaan |
GB2476244B (en) * | 2009-12-16 | 2013-04-03 | Rolls Royce Plc | A transducer assembly |
US10855209B2 (en) | 2017-10-06 | 2020-12-01 | United Arab Emirates University | Electrical power generating carpet |
US11366003B1 (en) * | 2018-09-18 | 2022-06-21 | Kwang Yul Kim | Method and apparatus for an absolute precision load gauge |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3812345A (en) * | 1972-04-19 | 1974-05-21 | Honeywell Inc | Ultrasonic strain transducing system |
US3855847A (en) * | 1972-06-20 | 1974-12-24 | Westinghouse Electric Corp | Acoustic emission transducer and monitoring system |
US3915017A (en) * | 1973-08-30 | 1975-10-28 | Us Health | Portable ultrasonic radiometer |
US4317368A (en) * | 1980-07-28 | 1982-03-02 | Mcelroy John W | Acoustic emission warning system for a fiberglass member |
US4701866A (en) * | 1984-12-07 | 1987-10-20 | Battelle Memorial Institute | Wheel load measurement |
US4782701A (en) * | 1987-03-30 | 1988-11-08 | Proctor Jr Thomas M | Transducer for measuring transient tangential motion |
WO1989001138A1 (en) * | 1987-07-30 | 1989-02-09 | Hitachi Construction Machinery Co., Ltd. | Method of measuring contact stress with ultrasonic wave |
-
1989
- 1989-03-14 GB GB898905821A patent/GB8905821D0/en active Pending
-
1990
- 1990-02-07 DK DK90301303.5T patent/DK0387996T3/da active
- 1990-02-07 AT AT90301303T patent/ATE78588T1/de active
- 1990-02-07 ES ES199090301303T patent/ES2034816T3/es not_active Expired - Lifetime
- 1990-02-07 EP EP90301303A patent/EP0387996B1/de not_active Expired
- 1990-02-07 DE DE9090301303T patent/DE69000209T2/de not_active Expired - Fee Related
- 1990-02-15 US US07/480,661 patent/US5004059A/en not_active Expired - Fee Related
- 1990-03-08 JP JP2057827A patent/JPH02291933A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US5004059A (en) | 1991-04-02 |
DE69000209T2 (de) | 1992-12-24 |
EP0387996A3 (de) | 1991-04-10 |
EP0387996B1 (de) | 1992-07-22 |
DK0387996T3 (da) | 1992-08-31 |
ES2034816T3 (es) | 1993-04-01 |
JPH02291933A (ja) | 1990-12-03 |
EP0387996A2 (de) | 1990-09-19 |
ATE78588T1 (de) | 1992-08-15 |
GB8905821D0 (en) | 1989-04-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |