CH667734A5 - Kraftwandler. - Google Patents
Kraftwandler. Download PDFInfo
- Publication number
- CH667734A5 CH667734A5 CH3101/82A CH310182A CH667734A5 CH 667734 A5 CH667734 A5 CH 667734A5 CH 3101/82 A CH3101/82 A CH 3101/82A CH 310182 A CH310182 A CH 310182A CH 667734 A5 CH667734 A5 CH 667734A5
- Authority
- CH
- Switzerland
- Prior art keywords
- force
- converter according
- parallel
- central axis
- summing
- Prior art date
Links
- 230000000295 complement effect Effects 0.000 claims description 14
- 239000010453 quartz Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000003989 dielectric material Substances 0.000 claims description 4
- 229910010293 ceramic material Inorganic materials 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 claims description 2
- 239000010409 thin film Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- GNKTZDSRQHMHLZ-UHFFFAOYSA-N [Si].[Si].[Si].[Ti].[Ti].[Ti].[Ti].[Ti] Chemical compound [Si].[Si].[Si].[Ti].[Ti].[Ti].[Ti].[Ti] GNKTZDSRQHMHLZ-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
- G01L1/14—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
- G01L1/142—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators using capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Measuring Fluid Pressure (AREA)
- Micromachines (AREA)
- Measurement Of Force In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/265,087 US4448085A (en) | 1981-05-19 | 1981-05-19 | Force transducer |
| US06/359,619 US4463614A (en) | 1981-05-19 | 1982-03-18 | Force transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH667734A5 true CH667734A5 (de) | 1988-10-31 |
Family
ID=26950974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH3101/82A CH667734A5 (de) | 1981-05-19 | 1982-05-18 | Kraftwandler. |
Country Status (5)
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4558600A (en) * | 1982-03-18 | 1985-12-17 | Setra Systems, Inc. | Force transducer |
| GB2123157B (en) * | 1982-06-22 | 1986-10-15 | Peter Caleb Frederi Wolfendale | Load cells |
| JPH01165920A (ja) * | 1987-12-23 | 1989-06-29 | Tokyo Electric Co Ltd | 静電容量式電子秤 |
| US4850443A (en) * | 1988-09-13 | 1989-07-25 | Triangle Package Machinery | Weighing scale |
| US5167290A (en) * | 1990-09-24 | 1992-12-01 | John Borchard | Springs for use in a compact self-adjusting weighing system |
| US5230252A (en) * | 1991-09-30 | 1993-07-27 | Eastman Kodak Company | Force transducer |
| AUPM348594A0 (en) * | 1994-01-21 | 1994-02-17 | University Of Melbourne, The | Improvements in syringe pumps |
| US5506402A (en) * | 1994-07-29 | 1996-04-09 | Varo Inc. | Transmission mode 1.06 μM photocathode for night vision having an indium gallium arsenide active layer and an aluminum gallium azsenide window layer |
| UA32718A (uk) * | 1998-02-18 | 2001-02-15 | Закрите Акціонерне Товариство "Науково-Виробниче Підприємство "Тест" | Ємнісний силовимірювальний датчик |
| US6439341B1 (en) | 2001-02-14 | 2002-08-27 | Snorkel International, Inc. | Apparatus for monitoring loading of a lift |
| US6768958B2 (en) * | 2002-11-26 | 2004-07-27 | Lsi Logic Corporation | Automatic calibration of a masking process simulator |
| JP4286019B2 (ja) * | 2003-02-04 | 2009-06-24 | 株式会社根本杏林堂 | 薬液注入システム |
| US7570065B2 (en) * | 2006-03-01 | 2009-08-04 | Loadstar Sensors Inc | Cylindrical capacitive force sensing device and method |
| US7353713B2 (en) | 2003-04-09 | 2008-04-08 | Loadstar Sensors, Inc. | Flexible apparatus and method to enhance capacitive force sensing |
| EP1794792A4 (en) * | 2004-09-29 | 2010-02-17 | Loadstar Sensors Inc | DISTANCE CHANGE DETECTION BY CAPACITIVE TECHNIQUES |
| US20060267321A1 (en) * | 2005-05-27 | 2006-11-30 | Loadstar Sensors, Inc. | On-board vehicle seat capacitive force sensing device and method |
| US7343814B2 (en) * | 2006-04-03 | 2008-03-18 | Loadstar Sensors, Inc. | Multi-zone capacitive force sensing device and methods |
| DE102011076008B4 (de) | 2011-05-17 | 2013-10-31 | Siemens Aktiengesellschaft | Kraftaufnehmer, insbesondere Wägezelle |
| US9400207B2 (en) | 2013-03-15 | 2016-07-26 | Illinois Tool Works Inc. | Sensor mounting bracket |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE618468A (nl) * | 1961-06-26 | 1962-10-01 | Onderzoekingstituut Reseach Nv | Trekapparaat, in het bijzonder voor het trekken van textielvezels |
| US3371526A (en) * | 1965-05-05 | 1968-03-05 | Radson Engineering Corp | Load cell |
| US3443653A (en) * | 1967-06-21 | 1969-05-13 | Exact Weight Scale Corp | Weighing scale |
| US3590933A (en) * | 1968-12-16 | 1971-07-06 | Driver Southall | Weigh beams |
| US4065962A (en) * | 1974-10-29 | 1978-01-03 | Gse, Inc. | Load cell |
| CH578168A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1974-12-06 | 1976-07-30 | Mettler Instrumente Ag | |
| DE2518022C2 (de) * | 1975-04-23 | 1977-04-07 | Sartorius Werke Gmbh | Elektromagnetisch kompensierende, balkenlose kraftmess- oder waegevorrichtung |
| CH586897A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1975-07-22 | 1977-04-15 | Mettler Instrumente Ag | |
| US4020686A (en) * | 1976-01-05 | 1977-05-03 | Lebow Associates, Inc. | Force measuring apparatus |
| US4022288A (en) * | 1976-02-27 | 1977-05-10 | Pitney-Bowes, Inc. | Series twin leaf spring weighing scale |
| DE2621483C2 (de) * | 1976-05-14 | 1978-02-16 | Sartorius-Werke GmbH (und vormals Göttinger Präzisionswaagenfabrik GmbH), 3400 Göttingen | Elektromagnetisch kompensierende Balkenwaage |
| US4072202A (en) * | 1977-01-03 | 1978-02-07 | Pitney-Bowes, Inc. | Elastic-type clamp for a twin leaf spring scale |
| DE2710788A1 (de) * | 1977-03-11 | 1978-09-14 | Sartorius Werke Gmbh | Parallelfuehrung fuer eine oberschalige waage |
| US4143727A (en) * | 1977-03-30 | 1979-03-13 | Revere Corporation Of America | Leverless scale sensor |
| US4168518A (en) * | 1977-05-10 | 1979-09-18 | Lee Shih Y | Capacitor transducer |
| CH625617A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1978-03-08 | 1981-09-30 | Mettler Instrumente Ag | |
| US4181011A (en) * | 1978-05-11 | 1980-01-01 | Maatschappij Van Berkel's Patent N.V. | Load cell |
| US4170270A (en) * | 1978-06-26 | 1979-10-09 | Pitney-Bowes, Inc. | Apparatus for preventing the overload of a load cell |
| US4237989A (en) * | 1979-05-11 | 1980-12-09 | National Controls, Inc. | Capacitive load cell and method of manufacture |
-
1982
- 1982-03-18 US US06/359,619 patent/US4463614A/en not_active Expired - Lifetime
- 1982-03-31 CA CA000400009A patent/CA1173267A/en not_active Expired
- 1982-05-14 GB GB8214105A patent/GB2100005B/en not_active Expired
- 1982-05-17 DE DE19823218577 patent/DE3218577A1/de active Granted
- 1982-05-18 CH CH3101/82A patent/CH667734A5/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| US4463614A (en) | 1984-08-07 |
| GB2100005B (en) | 1985-09-11 |
| DE3218577A1 (de) | 1983-03-03 |
| CA1173267A (en) | 1984-08-28 |
| GB2100005A (en) | 1982-12-15 |
| DE3218577C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-12-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |