CA1083615A - Balance having ferromagnetic pre-load compensation - Google Patents
Balance having ferromagnetic pre-load compensationInfo
- Publication number
- CA1083615A CA1083615A CA303,643A CA303643A CA1083615A CA 1083615 A CA1083615 A CA 1083615A CA 303643 A CA303643 A CA 303643A CA 1083615 A CA1083615 A CA 1083615A
- Authority
- CA
- Canada
- Prior art keywords
- load
- balance
- permanent magnet
- receiving means
- coil
- 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
Links
- 230000005294 ferromagnetic effect Effects 0.000 title claims abstract description 16
- 230000036316 preload Effects 0.000 title abstract description 4
- 230000005291 magnetic effect Effects 0.000 claims abstract description 9
- 239000011810 insulating material Substances 0.000 claims 1
- 238000005303 weighing Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 230000001095 motoneuron effect Effects 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000001419 dependent effect Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G7/00—Weighing apparatus wherein the balancing is effected by magnetic, electromagnetic, or electrostatic action, or by means not provided for in the preceding groups
- G01G7/02—Weighing apparatus wherein the balancing is effected by magnetic, electromagnetic, or electrostatic action, or by means not provided for in the preceding groups by electromagnetic action
- G01G7/04—Weighing apparatus wherein the balancing is effected by magnetic, electromagnetic, or electrostatic action, or by means not provided for in the preceding groups by electromagnetic action with means for regulating the current to solenoids
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S177/00—Weighing scales
- Y10S177/05—Magnets
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Electromagnets (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH617477A CH612756A5 (en, 2012) | 1977-05-18 | 1977-05-18 | |
| CH6174/77 | 1977-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1083615A true CA1083615A (en) | 1980-08-12 |
Family
ID=4305436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA303,643A Expired CA1083615A (en) | 1977-05-18 | 1978-05-18 | Balance having ferromagnetic pre-load compensation |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4170269A (en, 2012) |
| JP (1) | JPS53158268U (en, 2012) |
| CA (1) | CA1083615A (en, 2012) |
| CH (1) | CH612756A5 (en, 2012) |
| DE (2) | DE2818368A1 (en, 2012) |
| FR (1) | FR2391458A1 (en, 2012) |
| GB (1) | GB1542003A (en, 2012) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2919227C2 (de) * | 1979-05-12 | 1987-03-12 | Sartorius GmbH, 3400 Göttingen | Elektromagnetisch kraftkompensierende Präzisionswaage |
| DE3012979A1 (de) * | 1980-04-03 | 1981-10-15 | Sartorius GmbH, 3400 Göttingen | Kraftmess- oder waegevorrichtung mit elektromagnetischer kraftkompensation und kapazitivem lagensensor |
| CH650337A5 (de) | 1981-04-10 | 1985-07-15 | Mettler Instrumente Ag | Analysenwaage. |
| CH665025A5 (de) * | 1984-06-29 | 1988-04-15 | Mettler Instrumente Ag | Elektromagnetisch kraftkompensierende waage sowie verfahren zum betrieb dieser waage. |
| CH669998A5 (en, 2012) * | 1986-07-01 | 1989-04-28 | Mettler Instrumente Ag | |
| CH669040A5 (de) * | 1986-04-15 | 1989-02-15 | Mettler Instrumente Ag | Kapazitiver positionsdetektor an einer elektromagnetisch kraftkompensierenden waage. |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3186504A (en) * | 1961-09-08 | 1965-06-01 | Philips Corp | Weighing apparatus |
| CH538683A (de) * | 1971-11-23 | 1973-06-30 | Mettler Instrumente Ag | Kraft- oder Längenmesser |
| CH548594A (de) * | 1972-08-18 | 1974-04-30 | Precisa Ag | Kraft-messgeraet. |
| JPS49103664A (en, 2012) * | 1973-02-02 | 1974-10-01 | ||
| CH599542A5 (en, 2012) * | 1975-06-24 | 1978-05-31 | Sartorius Werke Gmbh | |
| CH586897A5 (en, 2012) * | 1975-07-22 | 1977-04-15 | Mettler Instrumente Ag |
-
1977
- 1977-05-18 CH CH617477A patent/CH612756A5/xx not_active IP Right Cessation
- 1977-10-14 GB GB7742889A patent/GB1542003A/en not_active Expired
- 1977-12-19 JP JP1977172647U patent/JPS53158268U/ja active Pending
- 1977-12-29 FR FR7739626A patent/FR2391458A1/fr active Granted
-
1978
- 1978-04-21 US US05/898,949 patent/US4170269A/en not_active Expired - Lifetime
- 1978-04-26 DE DE19782818368 patent/DE2818368A1/de not_active Withdrawn
- 1978-04-26 DE DE19787812721U patent/DE7812721U1/de not_active Expired
- 1978-05-18 CA CA303,643A patent/CA1083615A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE7812721U1 (de) | 1978-08-17 |
| DE2818368A1 (de) | 1978-11-30 |
| JPS53158268U (en, 2012) | 1978-12-12 |
| GB1542003A (en) | 1979-03-14 |
| US4170269A (en) | 1979-10-09 |
| FR2391458A1 (fr) | 1978-12-15 |
| FR2391458B3 (en, 2012) | 1980-09-19 |
| CH612756A5 (en, 2012) | 1979-08-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |