FR2444269A1 - Appareil indicateur sensible a la pression - Google Patents
Appareil indicateur sensible a la pressionInfo
- Publication number
- FR2444269A1 FR2444269A1 FR7922432A FR7922432A FR2444269A1 FR 2444269 A1 FR2444269 A1 FR 2444269A1 FR 7922432 A FR7922432 A FR 7922432A FR 7922432 A FR7922432 A FR 7922432A FR 2444269 A1 FR2444269 A1 FR 2444269A1
- Authority
- FR
- France
- Prior art keywords
- pressure sensitive
- sensitive indicator
- indicator apparatus
- relates
- primary chamber
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
- G01L7/06—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges of the bellows type
-
- 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
- Y10S116/00—Signals and indicators
- Y10S116/25—Air filter condition indicator
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Pretreatment Of Seeds And Plants (AREA)
- Harvester Elements (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
La présente invention a pour objet un appareil indicateur sensible à la pression. Elle est caractérisée en ce que l'appareil comprend un carter délimitant une chambre primaire pourvue d'une première extrémité et d'une seconde extrémité et dans laquelle se déplace un élément poussé par un ressort vers la première extrémité de la chambre, un organe indicateur étant relié à l'élément mobile de façon à indiquer sa position dans la chambre primaire en réponse à l'application d'une pression fluidique à au moins un des côtés dudit élément. Elle se rapporte aux indicateurs d'encrassement de filtres à air de moteurs.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/969,256 US4184376A (en) | 1978-12-13 | 1978-12-13 | Pressure sensitive indicating device |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2444269A1 true FR2444269A1 (fr) | 1980-07-11 |
FR2444269B1 FR2444269B1 (fr) | 1984-10-12 |
Family
ID=25515358
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7922432A Granted FR2444269A1 (fr) | 1978-12-13 | 1979-09-07 | Appareil indicateur sensible a la pression |
Country Status (12)
Country | Link |
---|---|
US (1) | US4184376A (fr) |
JP (2) | JPS55500999A (fr) |
AU (1) | AU515221B2 (fr) |
BR (1) | BR7908951A (fr) |
CA (1) | CA1122028A (fr) |
DE (1) | DE2953412T1 (fr) |
FR (1) | FR2444269A1 (fr) |
GB (1) | GB2051368B (fr) |
SE (1) | SE435763B (fr) |
SU (1) | SU991959A3 (fr) |
WO (1) | WO1980001318A1 (fr) |
ZA (1) | ZA794603B (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU586628B2 (en) * | 1984-04-10 | 1989-07-20 | Robinhood Industries Pty. Limited | Filter clean indicator |
GB2219044B (en) * | 1988-05-24 | 1992-07-29 | John Wang | Pressure actuated assembly extendable by fluid pressure and retractable by spring action |
EP0649867B1 (fr) * | 1993-12-13 | 2001-10-17 | Unilever Plc | Emulsions huile dans l'eau stables et leur procédé de préparation |
JPH11510582A (ja) * | 1995-08-04 | 1999-09-14 | ドナルドソン カンパニー インコーポレイティド | 空気清浄器用制限指示器 |
US5882379A (en) * | 1997-09-26 | 1999-03-16 | Donaldson Company, Inc. | Indicator arrangement for air cleaner systems and methods thereof |
US6604486B1 (en) | 1999-08-16 | 2003-08-12 | Donaldson Company, Inc. | Restriction indicator |
US6190442B1 (en) * | 1999-08-31 | 2001-02-20 | Tishken Products Co. | Air filter gauge |
US20030056711A1 (en) * | 2001-09-26 | 2003-03-27 | Tranter Brian R. | Pressure indication device |
US7137303B2 (en) * | 2004-08-31 | 2006-11-21 | Stanadyne Corporation | Filter change indicator |
EP4074404A1 (fr) | 2017-10-24 | 2022-10-19 | Donaldson Company, Inc. | Ensemble épurateur d'air doté d'un indicateur de restriction |
WO2019222598A1 (fr) | 2018-05-17 | 2019-11-21 | Rosemount Inc. | Élément de mesure et dispositif de mesure le comprenant |
CN109399259B (zh) * | 2018-11-29 | 2023-06-16 | 兖矿能源集团股份有限公司 | 势能旋袋降尘装置及相应的皮带输送机降尘方法 |
RU199728U1 (ru) * | 2019-12-13 | 2020-09-16 | Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт автоматики им. Н.Л. Духова" (ФГУП "ВНИИА") | Индикатор разности давлений |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2188177A (en) * | 1937-02-23 | 1940-01-23 | Fulton Sylphon Co | Pressure indicating device |
US3068831A (en) * | 1960-03-18 | 1962-12-18 | Coopers Mech Joints | Pressure operated visual warning devices |
US3258960A (en) * | 1963-06-13 | 1966-07-05 | Donaldson Co Inc | Restriction indicator for air cleaners |
US3443365A (en) * | 1967-12-06 | 1969-05-13 | Donaldson Co Inc | Restriction indicator |
FR2162753A5 (fr) * | 1971-11-30 | 1973-07-20 | Mirsky Alexander | |
US3939457A (en) * | 1974-11-07 | 1976-02-17 | Richard Donald Nelson | Air filter restriction indicating device |
FR2298097A1 (fr) * | 1975-01-17 | 1976-08-13 | Lautrette & Cie Sa | Indicateur de depression maximale |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1407125A (en) * | 1973-02-22 | 1975-09-24 | Gen Motors Ltd | Pressure responsive visual warning devices |
FR2246856B1 (fr) * | 1973-10-03 | 1978-03-17 | Sofiltra Ste Indle Filtration | |
US4020783A (en) * | 1975-06-19 | 1977-05-03 | Donaldson Company, Inc. | Air cleaner with restriction indicator |
US4014209A (en) * | 1975-12-15 | 1977-03-29 | Emerick Wayne L | Air filter condition indicating device |
FR2338395A2 (fr) * | 1976-01-19 | 1977-08-12 | Poelman Sofiltra | Detecteur de colmatage pour epurateur d'air |
US4033733A (en) * | 1976-02-23 | 1977-07-05 | Joseph N. Nelson | Air filter gauge |
US4031847A (en) * | 1976-04-21 | 1977-06-28 | Donaldson Company, Inc. | Pressure ratio reversal indicator |
DE2617972A1 (de) * | 1976-04-24 | 1977-11-10 | Mann & Hummel Filter | Anzeigevorrichtung fuer den verschmutzungsgrad von ansaugluftfiltern |
-
1978
- 1978-12-13 US US05/969,256 patent/US4184376A/en not_active Expired - Lifetime
-
1979
- 1979-08-22 BR BR7908951A patent/BR7908951A/pt not_active IP Right Cessation
- 1979-08-22 WO PCT/US1979/000635 patent/WO1980001318A1/fr unknown
- 1979-08-22 GB GB8024736A patent/GB2051368B/en not_active Expired
- 1979-08-22 JP JP50188379A patent/JPS55500999A/ja active Pending
- 1979-08-22 DE DE792953412T patent/DE2953412T1/de active Granted
- 1979-08-28 CA CA000334576A patent/CA1122028A/fr not_active Expired
- 1979-08-30 ZA ZA00794603A patent/ZA794603B/xx unknown
- 1979-09-07 AU AU50676/79A patent/AU515221B2/en not_active Expired
- 1979-09-07 FR FR7922432A patent/FR2444269A1/fr active Granted
-
1980
- 1980-08-07 SE SE8005604A patent/SE435763B/sv not_active IP Right Cessation
- 1980-08-12 SU SU802973548A patent/SU991959A3/ru active
-
1988
- 1988-08-12 JP JP1988106035U patent/JPH02671Y2/ja not_active Expired
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2188177A (en) * | 1937-02-23 | 1940-01-23 | Fulton Sylphon Co | Pressure indicating device |
US3068831A (en) * | 1960-03-18 | 1962-12-18 | Coopers Mech Joints | Pressure operated visual warning devices |
US3258960A (en) * | 1963-06-13 | 1966-07-05 | Donaldson Co Inc | Restriction indicator for air cleaners |
US3443365A (en) * | 1967-12-06 | 1969-05-13 | Donaldson Co Inc | Restriction indicator |
FR2162753A5 (fr) * | 1971-11-30 | 1973-07-20 | Mirsky Alexander | |
US3939457A (en) * | 1974-11-07 | 1976-02-17 | Richard Donald Nelson | Air filter restriction indicating device |
FR2298097A1 (fr) * | 1975-01-17 | 1976-08-13 | Lautrette & Cie Sa | Indicateur de depression maximale |
Also Published As
Publication number | Publication date |
---|---|
GB2051368B (en) | 1983-09-01 |
SU991959A3 (ru) | 1983-01-23 |
AU5067679A (en) | 1980-06-19 |
US4184376A (en) | 1980-01-22 |
GB2051368A (en) | 1981-01-14 |
ZA794603B (en) | 1980-08-27 |
JPS55500999A (fr) | 1980-11-20 |
DE2953412T1 (de) | 1980-12-18 |
DE2953412C2 (fr) | 1988-06-09 |
JPH02671Y2 (fr) | 1990-01-09 |
WO1980001318A1 (fr) | 1980-06-26 |
CA1122028A (fr) | 1982-04-20 |
SE435763B (sv) | 1984-10-15 |
AU515221B2 (en) | 1981-03-19 |
JPS6433636U (fr) | 1989-03-02 |
BR7908951A (pt) | 1981-06-30 |
FR2444269B1 (fr) | 1984-10-12 |
SE8005604L (sv) | 1980-08-07 |
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