GB2393872B - Water leakage detector - Google Patents

Water leakage detector

Info

Publication number: GB2393872B
Authority: GB; United Kingdom
Prior art keywords: water leakage; leakage detector; detector; water; leakage
Prior art date: 1999-12-03
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 - Fee Related

Application number

GB0329045A

Other versions

GB2393872A (en

GB0329045D0 (en

Inventor

Tsuneo Miyamoto

Masashi Matsuki

Toru Sano

Yasunari Mori

Hirotaka Ohashi

Hideyuki Fujita

Takuya Tasaki

Shunji Tananmura

Fujio Oka

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Mitsui Engineering and Shipbuilding Co Ltd

Original Assignee

Mitsui Engineering and Shipbuilding Co Ltd

Priority date (The priority date 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 date listed.)

1999-12-03

Filing date

1999-12-03

Publication date

2004-05-26

1999-12-03 Application filed by Mitsui Engineering and Shipbuilding Co Ltd filed Critical Mitsui Engineering and Shipbuilding Co Ltd

1999-12-03 Priority to GB0329045A priority Critical patent/GB2393872B/en

1999-12-03 Priority claimed from GB0116258A external-priority patent/GB2362529B/en

2004-01-14 Publication of GB0329045D0 publication Critical patent/GB0329045D0/en

2004-04-07 Publication of GB2393872A publication Critical patent/GB2393872A/en

2004-05-26 Application granted granted Critical

2004-05-26 Publication of GB2393872B publication Critical patent/GB2393872B/en

2004-08-31 Priority to GB0419228A priority patent/GB2406294B/en

2019-12-03 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- 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
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
- G01M3/18—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/04—Systems determining presence of a target
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S13/56—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V9/00—Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00
- G01V9/02—Determining existence or flow of underground water

Landscapes

Engineering & Computer Science (AREA)
Radar, Positioning & Navigation (AREA)
Remote Sensing (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Computer Networks & Wireless Communication (AREA)
Life Sciences & Earth Sciences (AREA)
Hydrology & Water Resources (AREA)
General Life Sciences & Earth Sciences (AREA)
Geophysics (AREA)
Examining Or Testing Airtightness (AREA)
Geophysics And Detection Of Objects (AREA)

GB0329045A 1999-12-03 1999-12-03 Water leakage detector Expired - Fee Related GB2393872B (en)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
GB0329045A GB2393872B (en)	1999-12-03	1999-12-03	Water leakage detector
GB0419228A GB2406294B (en)	1999-12-03	2004-08-31	Natural gas liquids

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB0116258A GB2362529B (en)	1999-12-03	1999-12-03	Water leakage detector and antenna thereof
GB0329045A GB2393872B (en)	1999-12-03	1999-12-03	Water leakage detector

Publications (3)

Publication Number	Publication Date
GB0329045D0 GB0329045D0 (en)	2004-01-14
GB2393872A GB2393872A (en)	2004-04-07
GB2393872B true GB2393872B (en)	2004-05-26

Family

ID=31971109

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB0329045A Expired - Fee Related GB2393872B (en)	1999-12-03	1999-12-03	Water leakage detector

Country Status (1)

Country	Link
GB (1)	GB2393872B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE534215C2 (en) *	2009-10-15	2011-06-07	Totalfoersvarets Forskningsins	Device and method for detecting water flow
SE535666C2 (en)	2011-03-11	2012-10-30	Totalfoersvarets Forskningsins	Method and apparatus for crawling racial masses
CN113945986B (en) *	2021-03-16	2024-05-10	深圳迈睿智能科技有限公司	Doppler microwave detection device and gain improvement method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH11352001A (en) *	1998-06-04	1999-12-24	Mitsui Eng & Shipbuild Co Ltd	Water leakage detector

1999
- 1999-12-03 GB GB0329045A patent/GB2393872B/en not_active Expired - Fee Related

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH11352001A (en) *	1998-06-04	1999-12-24	Mitsui Eng & Shipbuild Co Ltd	Water leakage detector

Also Published As

Publication number	Publication date
GB2393872A (en)	2004-04-07
GB0329045D0 (en)	2004-01-14

Publication	Publication Date	Title
EP1174482A4 (en)	2006-05-31	Gasket
EP1174692A4 (en)	2005-05-18	Liquid level detector
GB9926505D0 (en)	2000-01-12	Seal
CA95742S (en)	2002-03-22	Water closet
GB9920993D0 (en)	1999-11-10	Overflow/leak detector arrangement
GB0029417D0 (en)	2001-01-17	Leak alarm
GB9927785D0 (en)	2000-01-26	Seal
GB2393872B (en)	2004-05-26	Water leakage detector
GB2349673B (en)	2002-12-11	Bladder seal
GB2333363B (en)	2002-04-03	Water leak detector
GB2362529B (en)	2004-03-10	Water leakage detector and antenna thereof
GB9811934D0 (en)	1998-07-29	Leak detection
EP1223430A4 (en)	2005-04-20	Leak sensor
GB9905859D0 (en)	1999-05-05	Water leakage warning device
GB9928375D0 (en)	2000-01-26	Leak detector
IL138960A0 (en)	2001-11-25	Water meter
GB9901870D0 (en)	1999-03-17	Water pollutant detector
GB9927094D0 (en)	2000-01-12	Leak detection
GB9909883D0 (en)	1999-06-30	Water seat-chair-cushions-pillows
TW392841U (en)	2000-06-01	Detector
GB9910181D0 (en)	1999-06-30	Water stopvalve
TW451773U (en)	2001-08-21	Improved detector
CA87967S (en)	1999-10-29	Gasket
CA87965S (en)	1999-10-29	Gasket
CA87969S (en)	1999-10-29	Gasket

Legal Events

Date	Code	Title	Description
2006-08-23	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20051203