FR2298097B3 - - Google Patents
Info
- Publication number
- FR2298097B3 FR2298097B3 FR7501548A FR7501548A FR2298097B3 FR 2298097 B3 FR2298097 B3 FR 2298097B3 FR 7501548 A FR7501548 A FR 7501548A FR 7501548 A FR7501548 A FR 7501548A FR 2298097 B3 FR2298097 B3 FR 2298097B3
- Authority
- FR
- France
- 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
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/08—Air cleaners with means for removing dust, particles or liquids from cleaners; with means for indicating clogging; with by-pass means; Regeneration of cleaners
- F02M35/09—Clogging indicators ; Diagnosis or testing of air cleaners
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
- G01L13/02—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
- G01L13/023—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements using bellows
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0033—Transmitting or indicating the displacement of bellows by electric, electromechanical, magnetic, or electromagnetic means
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- 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
- H01H35/32—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by bellows
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7501548A FR2298097A1 (fr) | 1975-01-17 | 1975-01-17 | Indicateur de depression maximale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7501548A FR2298097A1 (fr) | 1975-01-17 | 1975-01-17 | Indicateur de depression maximale |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2298097A1 FR2298097A1 (fr) | 1976-08-13 |
| FR2298097B3 true FR2298097B3 (un) | 1977-10-14 |
Family
ID=9150004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7501548A Granted FR2298097A1 (fr) | 1975-01-17 | 1975-01-17 | Indicateur de depression maximale |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2298097A1 (un) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4184376A (en) * | 1978-12-13 | 1980-01-22 | Donaldson Company, Inc. | Pressure sensitive indicating device |
| FR2559833B1 (fr) * | 1984-02-16 | 1988-05-20 | Labinal | Dispositif indicateur du colmatage d'un filtre a air d'un moteur |
| WO2001012974A1 (en) * | 1999-08-16 | 2001-02-22 | Donaldson Company, Inc. | Restriction indicator |
| JP2008531241A (ja) * | 2005-01-28 | 2008-08-14 | エンジニアード プロダクツ カンパニー | フィルタ監視用の無ロックスイッチ |
| CN111198073B (zh) * | 2020-01-15 | 2022-02-08 | 江苏科润仪表有限公司 | 一种具有养护功能的耐震压力检测表 |
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1975
- 1975-01-17 FR FR7501548A patent/FR2298097A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2298097A1 (fr) | 1976-08-13 |