FI60077C - Magnetisk tryckindikator - Google Patents
Magnetisk tryckindikator Download PDFInfo
- Publication number
- FI60077C FI60077C FI2343/73A FI234373A FI60077C FI 60077 C FI60077 C FI 60077C FI 2343/73 A FI2343/73 A FI 2343/73A FI 234373 A FI234373 A FI 234373A FI 60077 C FI60077 C FI 60077C
- Authority
- FI
- Finland
- Prior art keywords
- magnetic
- pressure detector
- detector according
- magnetic member
- anchor
- Prior art date
Links
- 238000001514 detection method Methods 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims description 5
- 239000012530 fluid Substances 0.000 description 14
- 239000000696 magnetic material Substances 0.000 description 8
- 230000001133 acceleration Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 239000004809 Teflon Substances 0.000 description 3
- 229920006362 Teflon® Polymers 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229910000828 alnico Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/38—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by piston and cylinder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/143—Filter condition indicators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
- H01H36/0073—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by relative movement between two magnets
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US27585472 | 1972-07-27 | ||
| US00275854A US3815542A (en) | 1972-07-27 | 1972-07-27 | Magnetic pressure indicator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI60077B FI60077B (fi) | 1981-07-31 |
| FI60077C true FI60077C (fi) | 1981-11-10 |
Family
ID=23054089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI2343/73A FI60077C (fi) | 1972-07-27 | 1973-07-25 | Magnetisk tryckindikator |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US3815542A (xx) |
| JP (1) | JPS5331754B2 (xx) |
| AT (1) | AT342892B (xx) |
| AU (1) | AU472376B2 (xx) |
| BE (1) | BE802864A (xx) |
| CA (1) | CA993278A (xx) |
| CH (1) | CH568557A5 (xx) |
| DE (1) | DE2337179C3 (xx) |
| DK (1) | DK145766C (xx) |
| FI (1) | FI60077C (xx) |
| FR (1) | FR2194964B1 (xx) |
| GB (1) | GB1443956A (xx) |
| IL (1) | IL42818A (xx) |
| IT (1) | IT989980B (xx) |
| NL (1) | NL168938C (xx) |
| NO (1) | NO139936C (xx) |
| SE (1) | SE393456B (xx) |
| ZA (1) | ZA735020B (xx) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4139466A (en) * | 1977-09-08 | 1979-02-13 | Rosaen Nils O | Differential fluid pressure indicating device |
| US4172971A (en) * | 1978-10-30 | 1979-10-30 | Pall Corporation | Magnetic pressure indicator with thermal lockout |
| US4216672A (en) * | 1979-01-29 | 1980-08-12 | General Electric Company | Apparatus for detecting and indicating the occurrence of a gas turbine engine compressor stall |
| US4272368A (en) * | 1979-09-04 | 1981-06-09 | Parker-Hannifin Corporation | Fluid filter and indicator |
| DE3202571A1 (de) * | 1982-01-27 | 1983-08-11 | Hans Günther 4330 Oberhausen Brinckmann | Vorrichtung zum ueberwachen des druckes und/oder der geschwindigkeit von fluessigen oder gasfoermige medien in leitungssytemen, insbesondere des druckes in schmiermittelleitungen |
| AT387093B (de) * | 1983-08-16 | 1988-11-25 | Enfo Grundlagen Forschungs Ag | Vorrichtung zum anzeigen von druecken oder druckdifferenzen |
| US4651670A (en) * | 1985-09-27 | 1987-03-24 | Pall Corporation | Pressure indicating device |
| AT392158B (de) * | 1986-09-09 | 1991-02-11 | Voest Alpine Ag | Einrichtung zum ueberwachen des zustandes von hydraulik-, schmier- oder kuehlfluessigkeiten |
| GB2207507A (en) * | 1987-07-24 | 1989-02-01 | Pall Europ | Differential pressure sensor |
| US5279251A (en) * | 1992-12-16 | 1994-01-18 | Tdw Delaware, Inc. | Bidirectional pipeline pig signaling device |
| DE29500362U1 (de) * | 1995-01-11 | 1995-02-23 | Elb Fuellstandsgeraete Bundsch | Bistabile Schalteranordnung |
| GB2297161B (en) * | 1995-01-23 | 1998-09-23 | Pall Corp | Differential pressure indicators |
| GB2297620B (en) * | 1995-02-06 | 1998-10-07 | Pall Corp | Filter assemblies comprising differential pressure indicators |
| US5702592A (en) * | 1995-10-20 | 1997-12-30 | Western Filter Corporation | Filter monitoring device which monitors differential pressure and temperature |
| US7649433B2 (en) * | 2006-12-04 | 2010-01-19 | Abb Technology Ag | Circuit breaker with magnetically-coupled trip indicator |
| BRPI0900683A2 (pt) * | 2009-03-17 | 2010-12-14 | Aselco Indestria Com Imp Acco E Exportacco De Instr Ltda | dispositivo de detecÇço e de sinalizaÇço de passagem de pig ou esfera e conjunto de detecÇço e sinalizaÇço de passagem de pig ou esfera |
| NZ711713A (en) | 2013-03-15 | 2018-04-27 | Wiseman Brian M | Directional differential pressure detector |
| EP3545316B1 (en) | 2016-11-23 | 2022-03-23 | Wiseman, Brian, M. | Directional differential pressure detector |
| US11423918B2 (en) | 2019-05-30 | 2022-08-23 | AirFlow Direction, Inc. | Directional differential pressure detector |
| US11415594B2 (en) | 2019-05-30 | 2022-08-16 | AirFlow Direction, Inc. | Directional differential pressure detector for indicating potential or actual directional air flow |
| AU2020284116A1 (en) * | 2019-05-30 | 2022-01-06 | AirFlow Direction, Inc. | Directional differential pressure detector |
| US11460481B2 (en) * | 2019-05-30 | 2022-10-04 | AirFlow Directions, Inc. | Directional differential pressure detector having a differential pressure set point indicator |
| US11415475B2 (en) | 2019-10-22 | 2022-08-16 | AirFlow Direction, Inc. | Directional differential pressure detector with improved reliability |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2574866A (en) * | 1947-02-25 | 1951-11-13 | Henry W Fahrlander | Magnetic flow gauge |
| US2942572A (en) * | 1958-06-17 | 1960-06-28 | Pall Corp | Magnetic pressure indicator |
| GB891246A (en) * | 1958-06-17 | 1962-03-14 | Pall Corp | Magnetic pressure indicator |
| US3140690A (en) * | 1963-12-04 | 1964-07-14 | Pall Corp | Magnetic pressure indicator |
| US3077176A (en) * | 1961-04-06 | 1963-02-12 | Pall Corp | Magnetic pressure-responsive devices |
| US3154049A (en) * | 1962-02-19 | 1964-10-27 | Screen Products Inc | Magnetic pressure indicator |
| US3212471A (en) * | 1964-04-03 | 1965-10-19 | Purolator Products Inc | Differential pressure indicator |
| US3429291A (en) * | 1965-02-16 | 1969-02-25 | Leslie J Hoffman | Differential-pressure responsive indicator |
| BE755259A (fr) * | 1969-11-17 | 1971-02-01 | Honeywell Inc | Voyant a deux positions pour panneau indicateur |
-
1972
- 1972-07-27 US US00275854A patent/US3815542A/en not_active Expired - Lifetime
-
1973
- 1973-07-11 CA CA176,183A patent/CA993278A/en not_active Expired
- 1973-07-11 NO NO2843/73A patent/NO139936C/no unknown
- 1973-07-17 GB GB3406173A patent/GB1443956A/en not_active Expired
- 1973-07-21 DE DE2337179A patent/DE2337179C3/de not_active Expired
- 1973-07-23 IT IT51607/73A patent/IT989980B/it active
- 1973-07-23 AU AU58381/73A patent/AU472376B2/en not_active Expired
- 1973-07-23 CH CH1074973A patent/CH568557A5/xx not_active IP Right Cessation
- 1973-07-24 SE SE7310270A patent/SE393456B/xx unknown
- 1973-07-24 ZA ZA735020A patent/ZA735020B/xx unknown
- 1973-07-25 IL IL42818A patent/IL42818A/en unknown
- 1973-07-25 FI FI2343/73A patent/FI60077C/fi active
- 1973-07-26 DK DK413573A patent/DK145766C/da not_active IP Right Cessation
- 1973-07-26 FR FR7327478A patent/FR2194964B1/fr not_active Expired
- 1973-07-26 AT AT658173A patent/AT342892B/de not_active IP Right Cessation
- 1973-07-27 NL NLAANVRAGE7310473,A patent/NL168938C/xx not_active IP Right Cessation
- 1973-07-27 BE BE133925A patent/BE802864A/xx not_active IP Right Cessation
- 1973-07-27 JP JP8478673A patent/JPS5331754B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL168938B (nl) | 1981-12-16 |
| DK145766C (da) | 1983-08-08 |
| CA993278A (en) | 1976-07-20 |
| JPS49133074A (xx) | 1974-12-20 |
| IT989980B (it) | 1975-06-10 |
| GB1443956A (en) | 1976-07-28 |
| US3815542A (en) | 1974-06-11 |
| AT342892B (de) | 1978-04-25 |
| NO139936B (no) | 1979-02-26 |
| NO139936C (no) | 1979-06-06 |
| CH568557A5 (xx) | 1975-10-31 |
| FR2194964A1 (xx) | 1974-03-01 |
| FI60077B (fi) | 1981-07-31 |
| NL168938C (nl) | 1982-05-17 |
| JPS5331754B2 (xx) | 1978-09-04 |
| DE2337179C3 (de) | 1978-05-24 |
| AU5838173A (en) | 1975-01-23 |
| DE2337179A1 (de) | 1974-02-07 |
| SE393456B (sv) | 1977-05-09 |
| AU472376B2 (en) | 1976-05-20 |
| DE2337179B2 (de) | 1977-10-13 |
| BE802864A (fr) | 1974-01-28 |
| IL42818A (en) | 1976-07-30 |
| FR2194964B1 (xx) | 1976-09-17 |
| ATA658173A (de) | 1977-08-15 |
| DK145766B (da) | 1983-02-21 |
| ZA735020B (en) | 1974-06-26 |
| IL42818A0 (en) | 1973-10-25 |
| NL7310473A (xx) | 1974-01-29 |
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