CA1091328A - Method and automatic device for the testing of tight cavities - Google Patents
Method and automatic device for the testing of tight cavitiesInfo
- Publication number
- CA1091328A CA1091328A CA258,653A CA258653A CA1091328A CA 1091328 A CA1091328 A CA 1091328A CA 258653 A CA258653 A CA 258653A CA 1091328 A CA1091328 A CA 1091328A
- Authority
- CA
- Canada
- Prior art keywords
- transmitter
- test
- zero
- setting
- cavity
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000006641 stabilisation Effects 0.000 claims abstract description 14
- 238000011105 stabilization Methods 0.000 claims abstract description 14
- 238000012795 verification Methods 0.000 claims abstract description 4
- 239000012530 fluid Substances 0.000 claims description 18
- 230000007423 decrease Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 230000011664 signaling Effects 0.000 claims description 2
- 230000001702 transmitter Effects 0.000 claims 4
- 230000033228 biological regulation Effects 0.000 claims 2
- 208000036366 Sensation of pressure Diseases 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000011088 calibration curve Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 229940035564 duration Drugs 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 210000001550 testis Anatomy 0.000 description 1
- 238000007666 vacuum forming Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/06—Indicating or recording devices
- G01F15/068—Indicating or recording devices with electrical means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
- G01M3/3236—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers
- G01M3/3263—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers using a differential pressure detector
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Examining Or Testing Airtightness (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT69480-A/75 | 1975-10-07 | ||
| IT69480/75A IT1047349B (it) | 1975-10-07 | 1975-10-07 | Procedimento e dispositivo automatico per il collaudo di cavita a tenuta |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1091328A true CA1091328A (en) | 1980-12-09 |
Family
ID=11312221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA258,653A Expired CA1091328A (en) | 1975-10-07 | 1976-08-09 | Method and automatic device for the testing of tight cavities |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4078421A (cg-RX-API-DMAC10.html) |
| CA (1) | CA1091328A (cg-RX-API-DMAC10.html) |
| DE (1) | DE2630591C3 (cg-RX-API-DMAC10.html) |
| ES (1) | ES449697A1 (cg-RX-API-DMAC10.html) |
| FR (1) | FR2327531A1 (cg-RX-API-DMAC10.html) |
| GB (1) | GB1518756A (cg-RX-API-DMAC10.html) |
| IT (1) | IT1047349B (cg-RX-API-DMAC10.html) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54140585A (en) * | 1978-04-24 | 1979-10-31 | Diesel Kiki Co | Fluid circuit leakage detector |
| DE3101983C2 (de) * | 1979-07-26 | 1986-09-11 | Samson Ag, 6000 Frankfurt | Dichtheitsprüfgerät |
| DE3148913C2 (de) * | 1981-12-10 | 1985-11-07 | Friedrich Grohe Armaturenfabrik Gmbh & Co, 5870 Hemer | Prüfvorrichtung |
| US4587619A (en) * | 1981-12-14 | 1986-05-06 | Scans Associates, Inc. | Method and apparatus for electronic leak testing |
| DE3263788D1 (en) * | 1981-12-31 | 1985-06-27 | Mak Maschinenbau Krupp | Device for measuring the release of compressed gas from tanks as a function of time |
| JPS58179331A (ja) * | 1982-04-14 | 1983-10-20 | Toyoda Gosei Co Ltd | ブレ−キホ−スの漏れ検査装置 |
| FR2549604B1 (fr) * | 1983-07-22 | 1987-05-07 | Butagaz | Procede et installation pour la detection des fuites de recipients contenant un gaz sous pression, notamment un gaz de petrole liquefie |
| NL8401150A (nl) * | 1984-04-11 | 1985-11-01 | Douwe Egberts Tabaksfab | Drukmeting in vacuumpakken. |
| DE3530871A1 (de) * | 1984-09-10 | 1986-04-24 | Société de Traitement Automatique - Controle et Etancheite "TRACE", Fresnes | Vorrichtung zum pruefen der dichtigkeit mindestens eines abschnitts der wandung eines teiles und/oder eines von diesem abschnitt der wandung begrenzten volumens und verfahren zum bestimmen der optimalen parameter zur pruefung der dichtigkeit |
| US4683745A (en) * | 1986-08-28 | 1987-08-04 | Westvaco Corporation | Cannister seal integrity tester |
| US4715214A (en) * | 1986-10-03 | 1987-12-29 | S. Himmelstein And Company | Leak tester |
| US4942758A (en) * | 1986-12-04 | 1990-07-24 | Cofield Dennis H | High speed leak tester |
| ATE107025T1 (de) * | 1987-10-28 | 1994-06-15 | Martin Lehmann | Verfahren und verwendung einer anordnung zur prüfung mindestens eines hohlkörpers auf sein volumenverhalten. |
| US4993256A (en) * | 1988-04-20 | 1991-02-19 | Kabushiki Kaisha Fukuda | Leakage test method and apparatus |
| DE3824987A1 (de) * | 1988-07-22 | 1990-01-25 | Samson Ag | Verfahren zum bestimmen der pruefzeit einer anordnung zum pruefen von hohlraeumen auf leckverluste und anordnung zur durchfuehrung des verfahrens |
| US5083451A (en) * | 1989-08-21 | 1992-01-28 | J. V. - 1, Ltd. | Method and apparatus for monitoring aircraft fuselage deterioration |
| US5056356A (en) * | 1990-04-02 | 1991-10-15 | General Dynamics Corporation, Space Systems Division | Nondestructive testing of penetrable material bond interfaces |
| SE515496C2 (sv) * | 1994-11-04 | 2001-08-13 | Volvo Personvagnar Ab | Förfarande och anordning för provning av tätheten hos en sluten behållare |
| US5637788A (en) * | 1995-08-03 | 1997-06-10 | Motorola Inc. | Apparatus and method of detecting a leak in an evaporative emissions system |
| DE19834332B4 (de) * | 1998-07-30 | 2005-06-02 | Robert Bosch Gmbh | Verfahren zur Prüfung der Funktionsfähigkeit eines Behältnisses |
| US7010464B2 (en) * | 2001-07-25 | 2006-03-07 | Schneider Automation Inc. | Mobile HVAC cavity test device, method, and computer product |
| AU2003245610A1 (en) * | 2002-06-21 | 2004-01-06 | Automated Control Systems, Inc. | Flow testing system and method |
| FR2849193B1 (fr) * | 2002-12-19 | 2005-04-22 | Euraltech Sa | Procede pour tester l'etancheite d'une piece creuse |
| DE602004030455D1 (de) * | 2003-08-12 | 2011-01-20 | Lumenis Ltd | System zur bedienung von gepulst inkohaerentes licht |
| CN103308260B (zh) * | 2012-03-08 | 2015-08-12 | 中国石油化工股份有限公司 | 单向阀的承压检测装置及方法 |
| CN103308254B (zh) * | 2013-05-06 | 2016-04-13 | 浙江银轮机械股份有限公司 | 一种油冷器密封性干试试验方法及其装置 |
| CN114754843B (zh) * | 2022-03-31 | 2024-12-24 | 无锡尚德太阳能电力有限公司 | 扩散流量计一致性检验方法 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2892806A (en) * | 1955-04-25 | 1959-06-30 | Armstrong Cork Co | Method of curing polychloroprene at room temperature |
| US3248931A (en) * | 1962-07-25 | 1966-05-03 | Scans Associates Inc | Leak testing system |
| US3193876A (en) * | 1962-09-25 | 1965-07-13 | Thompson Ind Co Inc | Mold and heating apparatus therefor |
| FR1392637A (fr) * | 1964-02-05 | 1965-03-19 | Détecteur de fuite et pressostat différentiel | |
| DE1473670B2 (de) * | 1964-06-16 | 1971-05-13 | Ajem Laboratories Ine , Livonia, Mich (VStA) | Verfahren und schaltungsanordnung zur dichtigkeitspruefung von gehaeusen |
| GB1173376A (en) * | 1967-04-18 | 1969-12-10 | Cosmopolitan Assurance Company | Apparatus for testing the fluid tightness of containers |
| US3465562A (en) * | 1967-10-31 | 1969-09-09 | Robert W Donohoe | Electro-pneumatic porosity test method and means |
| GB1301851A (cg-RX-API-DMAC10.html) * | 1969-04-03 | 1973-01-04 | ||
| DE1930528B2 (de) * | 1969-06-16 | 1973-07-26 | Froehhch, Josef W , 7022 Leinfelden | Verfahren und vorrichtung zur pruefung der dichtheit von pruefobjekten |
| IT974631B (it) * | 1971-08-07 | 1974-07-10 | Fukuda A | Metodo per rilevare la tenuta erme tica di oggetti e dispositivo per la sua realizzazione |
| FR2257080B1 (cg-RX-API-DMAC10.html) * | 1974-01-08 | 1976-05-14 | Sud Ouest Ste Nationale Gaz |
-
1975
- 1975-10-07 IT IT69480/75A patent/IT1047349B/it active
-
1976
- 1976-07-07 DE DE2630591A patent/DE2630591C3/de not_active Expired
- 1976-07-08 ES ES449697A patent/ES449697A1/es not_active Expired
- 1976-08-05 GB GB32606/75A patent/GB1518756A/en not_active Expired
- 1976-08-09 US US05/712,786 patent/US4078421A/en not_active Expired - Lifetime
- 1976-08-09 CA CA258,653A patent/CA1091328A/en not_active Expired
- 1976-08-12 FR FR7624656A patent/FR2327531A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2630591C3 (de) | 1981-04-16 |
| US4078421A (en) | 1978-03-14 |
| ES449697A1 (es) | 1977-07-01 |
| IT1047349B (it) | 1980-09-10 |
| DE2630591A1 (de) | 1977-04-21 |
| FR2327531A1 (fr) | 1977-05-06 |
| FR2327531B1 (cg-RX-API-DMAC10.html) | 1982-10-15 |
| GB1518756A (en) | 1978-07-26 |
| DE2630591B2 (de) | 1980-06-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |