FI66693C - Magnetisk tryckindikator - Google Patents
Magnetisk tryckindikator Download PDFInfo
- Publication number
- FI66693C FI66693C FI792468A FI792468A FI66693C FI 66693 C FI66693 C FI 66693C FI 792468 A FI792468 A FI 792468A FI 792468 A FI792468 A FI 792468A FI 66693 C FI66693 C FI 66693C
- Authority
- FI
- Finland
- Prior art keywords
- magnetic
- pressure
- piston
- agent
- anchor
- Prior art date
Links
- 239000007788 liquid Substances 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 230000002441 reversible effect Effects 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 2
- 238000005452 bending Methods 0.000 claims 1
- 229910001092 metal group alloy Inorganic materials 0.000 claims 1
- 230000035515 penetration Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 11
- 238000001514 detection method Methods 0.000 description 10
- 239000000696 magnetic material Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- AYKOTYRPPUMHMT-UHFFFAOYSA-N silver;hydrate Chemical compound O.[Ag] AYKOTYRPPUMHMT-UHFFFAOYSA-N 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Measuring Fluid Pressure (AREA)
- Control Of Combustion (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Cookers (AREA)
- Soft Magnetic Materials (AREA)
- Detergent Compositions (AREA)
- Filtration Of Liquid (AREA)
- Hydroponics (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/956,291 US4172971A (en) | 1978-10-30 | 1978-10-30 | Magnetic pressure indicator with thermal lockout |
| US95629178 | 1978-10-30 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI792468A FI792468A (fi) | 1980-05-01 |
| FI66693B FI66693B (fi) | 1984-07-31 |
| FI66693C true FI66693C (fi) | 1984-11-12 |
Family
ID=25498036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI792468A FI66693C (fi) | 1978-10-30 | 1979-08-08 | Magnetisk tryckindikator |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US4172971A (de) |
| EP (1) | EP0010569B1 (de) |
| JP (1) | JPS6022732B2 (de) |
| AT (1) | ATE4941T1 (de) |
| AU (1) | AU517237B2 (de) |
| BR (1) | BR7905259A (de) |
| CA (1) | CA1097990A (de) |
| DE (1) | DE2966252D1 (de) |
| DK (1) | DK147719C (de) |
| ES (1) | ES482129A1 (de) |
| FI (1) | FI66693C (de) |
| MX (1) | MX147388A (de) |
| NO (1) | NO151259C (de) |
| PT (1) | PT69831A (de) |
| ZA (1) | ZA792988B (de) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4246110A (en) * | 1979-11-09 | 1981-01-20 | J. I. Case Company | Compensating device for filter contaminant indicating system |
| DE3131873A1 (de) * | 1980-09-20 | 1983-04-07 | Robert Bosch Gmbh, 7000 Stuttgart | Druckgeber, insbesondere fuer ein kraftfahrzeug |
| WO1982002498A1 (en) * | 1981-01-19 | 1982-08-05 | Joe E Fuzzell | A temperature compensated differential fluid pressure switch |
| US4498495A (en) * | 1981-08-04 | 1985-02-12 | Pall Corporation | Magnetic differential pressure valve with an indicator showing when valve has opened or closed |
| US4475407A (en) * | 1982-12-27 | 1984-10-09 | Brunswick Corporation | Temperature compensated flow sensor |
| JPS613448U (ja) * | 1984-06-13 | 1986-01-10 | 日吉工業株式会社 | フイルタ−の目詰り検知装置 |
| DE3700593A1 (de) * | 1986-01-13 | 1987-07-16 | Sharp Kk | Rotations-entwicklungsvorrichtung |
| US4867095A (en) * | 1988-04-05 | 1989-09-19 | Parker Hannifin Corporation | Differential pressure indicator |
| DE69024637T2 (de) * | 1989-10-31 | 1997-07-31 | Sofralub S A | Verstopfungsindikator |
| FR2659141B1 (fr) * | 1990-03-01 | 1994-03-25 | Lebozec Gautier | Indicateur de colmatage. |
| FI910694A (fi) * | 1991-02-13 | 1992-08-14 | Finn Filter Oy | Foerfarande och anordning foer bevakning av tryckskillnad. |
| US5437241A (en) * | 1994-06-08 | 1995-08-01 | Pall Corporation | Differential pressure indicator |
| 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 |
| US6289879B1 (en) | 1999-11-24 | 2001-09-18 | Parker-Hannifin Corp. | Air eliminating return fuel recirculation valve |
| US7157653B1 (en) | 2005-09-20 | 2007-01-02 | Deltrol Controls | Magnetic latching switch |
| US8710386B2 (en) * | 2011-02-04 | 2014-04-29 | Sensata Technologies, Inc. | Fluid pressure responsive electric switch |
| PL3012705T3 (pl) * | 2014-10-22 | 2017-07-31 | Danfoss A/S | Układ zaworowy wymiennika ciepła, system grzewczy i sposób działania systemu grzewczego |
| RU2625043C1 (ru) * | 2016-07-08 | 2017-07-11 | Акционерное общество Энгельсское опытно-конструкторское бюро "Сигнал" им. А.И. Глухарева | Комбинированный сигнализатор давления и температуры фильтра |
| CN113820195B (zh) * | 2021-11-25 | 2022-03-08 | 成都宜乐芯生物科技有限公司 | 一种多通道并行前处理装置 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3125062A (en) * | 1964-03-17 | Differential pressure responsive device | ||
| US3140690A (en) * | 1963-12-04 | 1964-07-14 | Pall Corp | Magnetic pressure indicator |
| US2942572A (en) * | 1958-06-17 | 1960-06-28 | Pall Corp | Magnetic pressure indicator |
| US3077176A (en) * | 1961-04-06 | 1963-02-12 | Pall Corp | Magnetic pressure-responsive devices |
| US3187711A (en) * | 1963-12-19 | 1965-06-08 | Pall Corp | Magnetic pressure indicator |
| US3364897A (en) * | 1964-09-25 | 1968-01-23 | Purolator Products Inc | Differential fluid pressure indicator |
| US3841259A (en) * | 1971-06-21 | 1974-10-15 | Parmatic Inc | Differential pressure indicator |
| US3785332A (en) * | 1972-01-31 | 1974-01-15 | Pall Corp | Magnetic pressure indicator |
| US3815542A (en) * | 1972-07-27 | 1974-06-11 | Pall Corp | Magnetic pressure indicator |
| US4026153A (en) * | 1975-08-08 | 1977-05-31 | Pall Corporation | Magnetic pressure indicator with sampling ports |
-
1978
- 1978-10-30 US US05/956,291 patent/US4172971A/en not_active Expired - Lifetime
-
1979
- 1979-05-23 CA CA328,128A patent/CA1097990A/en not_active Expired
- 1979-06-05 AU AU47839/79A patent/AU517237B2/en not_active Ceased
- 1979-06-12 MX MX178031A patent/MX147388A/es unknown
- 1979-06-15 ZA ZA792988A patent/ZA792988B/xx unknown
- 1979-06-18 EP EP79101998A patent/EP0010569B1/de not_active Expired
- 1979-06-18 AT AT79101998T patent/ATE4941T1/de not_active IP Right Cessation
- 1979-06-18 DE DE7979101998T patent/DE2966252D1/de not_active Expired
- 1979-06-27 PT PT69831A patent/PT69831A/pt unknown
- 1979-07-03 ES ES482129A patent/ES482129A1/es not_active Expired
- 1979-07-11 JP JP54087994A patent/JPS6022732B2/ja not_active Expired
- 1979-08-03 NO NO792566A patent/NO151259C/no unknown
- 1979-08-08 FI FI792468A patent/FI66693C/fi not_active IP Right Cessation
- 1979-08-16 BR BR7905259A patent/BR7905259A/pt unknown
- 1979-08-30 DK DK364179A patent/DK147719C/da not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AU517237B2 (en) | 1981-07-16 |
| CA1097990A (en) | 1981-03-24 |
| DE2966252D1 (en) | 1983-11-10 |
| NO792566L (no) | 1980-05-02 |
| DK364179A (da) | 1980-05-01 |
| ZA792988B (en) | 1980-08-27 |
| ES482129A1 (es) | 1980-02-16 |
| NO151259B (no) | 1984-11-26 |
| EP0010569A1 (de) | 1980-05-14 |
| EP0010569B1 (de) | 1983-10-05 |
| NO151259C (no) | 1985-03-06 |
| DK147719B (da) | 1984-11-19 |
| JPS5560831A (en) | 1980-05-08 |
| FI66693B (fi) | 1984-07-31 |
| FI792468A (fi) | 1980-05-01 |
| US4172971A (en) | 1979-10-30 |
| AU4783979A (en) | 1980-05-08 |
| BR7905259A (pt) | 1980-05-06 |
| JPS6022732B2 (ja) | 1985-06-04 |
| MX147388A (es) | 1982-11-26 |
| PT69831A (en) | 1979-07-01 |
| ATE4941T1 (de) | 1983-10-15 |
| DK147719C (da) | 1985-05-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD | Application lapsed | ||
| MM | Patent lapsed |
Owner name: PALL CORPORATION |