CA1152605A - Leak detection apparatus - Google Patents
Leak detection apparatusInfo
- Publication number
- CA1152605A CA1152605A CA000360966A CA360966A CA1152605A CA 1152605 A CA1152605 A CA 1152605A CA 000360966 A CA000360966 A CA 000360966A CA 360966 A CA360966 A CA 360966A CA 1152605 A CA1152605 A CA 1152605A
- Authority
- CA
- Canada
- Prior art keywords
- detection apparatus
- leak detection
- distribution system
- pressure
- rod means
- 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
- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 230000011664 signaling Effects 0.000 claims abstract description 9
- 239000012530 fluid Substances 0.000 claims description 50
- 235000014676 Phragmites communis Nutrition 0.000 claims description 18
- 230000033001 locomotion Effects 0.000 claims description 15
- 230000008859 change Effects 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 230000001143 conditioned effect Effects 0.000 claims description 2
- 230000003213 activating effect Effects 0.000 claims 1
- 210000000188 diaphragm Anatomy 0.000 description 22
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/50—Testing or indicating devices for determining the state of readiness of the equipment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/08—Means for indicating or recording, e.g. for remote indication
- G01L19/12—Alarms or signals
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Public Health (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Examining Or Testing Airtightness (AREA)
- Measuring Fluid Pressure (AREA)
- Pipeline Systems (AREA)
- Emergency Alarm Devices (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US1980/000180 WO1981002484A1 (en) | 1980-02-22 | 1980-02-22 | Leak detection apparatus |
US80/00180 | 1980-02-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1152605A true CA1152605A (en) | 1983-08-23 |
Family
ID=22154213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000360966A Expired CA1152605A (en) | 1980-02-22 | 1980-09-24 | Leak detection apparatus |
Country Status (4)
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1198860B (it) * | 1984-06-08 | 1988-12-21 | Mario Gonzi | Dispositivo intecettore di microtrafilamenti,per evitare e/o segnalare perdite d'olio in impianti idraulici e per impieghi equivalenti |
FR2676931B1 (fr) * | 1991-05-29 | 1994-04-01 | Simon Beril Jean Claude | Dispositif electronique de controle et de surveillance d'un extincteur mobile d'incendie. |
CA2102838A1 (en) * | 1992-11-11 | 1994-05-12 | Takamasa Hattori | Sprinkler head having a checking means for checking that fluid has been filled inside of a sprinkler head body and method for checking that the fluid has been filled using such sprinkler head |
US5775430A (en) * | 1996-01-23 | 1998-07-07 | Mija Industries, Inc. | Electroluminescent signalling fire extinguisher |
US8210047B2 (en) | 1996-01-23 | 2012-07-03 | En-Gauge, Inc. | Remote fire extinguisher station inspection |
US7188679B2 (en) | 1996-01-23 | 2007-03-13 | Mija Industries, Inc. | Remote fire extinguisher station inspection |
US7174783B2 (en) | 1996-01-23 | 2007-02-13 | Mija Industries, Inc. | Remote monitoring of fluid containers |
US7174769B2 (en) | 1996-01-23 | 2007-02-13 | Mija Industries, Inc. | Monitoring contents of fluid containers |
US7271704B2 (en) | 1996-01-23 | 2007-09-18 | Mija Industries, Inc. | Transmission of data to emergency response personnel |
US6585055B2 (en) | 1996-01-23 | 2003-07-01 | Mija Industries, Inc. | Remote fire extinguisher station inspection |
US7728715B2 (en) | 1996-01-23 | 2010-06-01 | En-Gauge, Inc. | Remote monitoring |
US7450020B2 (en) | 1996-01-23 | 2008-11-11 | Mija Industries, Inc. | Signaling pressure detection assembly |
LU90629B1 (de) | 2000-08-10 | 2006-02-21 | Luxembourg Patent Co | Vorrichtung zum Feststellen eines Gasverlustes auseinem Kohlendioxid-Druckbeh{lter. |
US9609287B2 (en) | 2005-03-02 | 2017-03-28 | En-Gauge, Inc. | Remote monitoring |
US8749373B2 (en) | 2008-02-13 | 2014-06-10 | En-Gauge, Inc. | Emergency equipment power sources |
US8981927B2 (en) | 2008-02-13 | 2015-03-17 | En-Gauge, Inc. | Object Tracking with emergency equipment |
US9041534B2 (en) | 2011-01-26 | 2015-05-26 | En-Gauge, Inc. | Fluid container resource management |
CN103616119B (zh) * | 2013-11-29 | 2016-06-15 | 北京北机机电工业有限责任公司 | 压力监测装置和采用该压力监测装置的灭火器 |
CN112833270B (zh) * | 2021-02-05 | 2022-12-13 | 河北宏科庆能环保设备有限公司 | 一种天然气输送管道 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3132235A (en) * | 1961-08-22 | 1964-05-05 | Air Reduction | Pilot operated control device |
US3327079A (en) * | 1964-03-12 | 1967-06-20 | Bosch Gmbh Robert | Magnetically operated electric switch |
US3451423A (en) * | 1967-12-15 | 1969-06-24 | Hills Mccanna Co | Fluid actuated diaphragm valve |
US3517692A (en) * | 1968-07-10 | 1970-06-30 | Us Air Force | Pressure relief valve assembly |
CH532738A (de) * | 1971-08-18 | 1973-01-15 | Fischer Ag Georg | Fernsteuerbares Membranventil |
US3859619A (en) * | 1972-07-11 | 1975-01-07 | Nippon Denso Co | Valve operation detecting device |
-
1980
- 1980-02-22 WO PCT/US1980/000180 patent/WO1981002484A1/en not_active Application Discontinuation
- 1980-02-22 EP EP19800900528 patent/EP0046748A4/en not_active Ceased
- 1980-02-22 JP JP55500685A patent/JPS57500125A/ja active Pending
- 1980-09-24 CA CA000360966A patent/CA1152605A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS57500125A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-01-21 |
EP0046748A4 (en) | 1982-09-03 |
EP0046748A1 (en) | 1982-03-10 |
WO1981002484A1 (en) | 1981-09-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |