JPH022038B2 - - Google Patents
Info
- Publication number
- JPH022038B2 JPH022038B2 JP56046282A JP4628281A JPH022038B2 JP H022038 B2 JPH022038 B2 JP H022038B2 JP 56046282 A JP56046282 A JP 56046282A JP 4628281 A JP4628281 A JP 4628281A JP H022038 B2 JPH022038 B2 JP H022038B2
- Authority
- JP
- Japan
- Prior art keywords
- seawater
- ultrasonic
- pipe
- transducers
- transducer
- 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 - Lifetime
Links
- 239000013535 sea water Substances 0.000 claims description 27
- 230000003373 anti-fouling effect Effects 0.000 claims description 10
- 230000001154 acute effect Effects 0.000 claims 1
- 230000005284 excitation Effects 0.000 description 9
- 230000005855 radiation Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 241000238586 Cirripedia Species 0.000 description 1
- 241000196251 Ulva arasakii Species 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Prevention Of Fouling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4628281A JPS57161395A (en) | 1981-03-31 | 1981-03-31 | Ultrasonic pollution preventor multi-equipped with vibrator for seawater tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4628281A JPS57161395A (en) | 1981-03-31 | 1981-03-31 | Ultrasonic pollution preventor multi-equipped with vibrator for seawater tube |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57161395A JPS57161395A (en) | 1982-10-04 |
JPH022038B2 true JPH022038B2 (fi) | 1990-01-16 |
Family
ID=12742864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4628281A Granted JPS57161395A (en) | 1981-03-31 | 1981-03-31 | Ultrasonic pollution preventor multi-equipped with vibrator for seawater tube |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57161395A (fi) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0392147U (fi) * | 1990-01-10 | 1991-09-19 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4989917A (fi) * | 1972-12-30 | 1974-08-28 | ||
JPS5131068A (en) * | 1974-09-10 | 1976-03-16 | Fuji Industries Co Ltd | * kantainaibumennifuchakusuru kannaifujunbutsuohakurijokyosuru hoho narabini sochi * |
-
1981
- 1981-03-31 JP JP4628281A patent/JPS57161395A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4989917A (fi) * | 1972-12-30 | 1974-08-28 | ||
JPS5131068A (en) * | 1974-09-10 | 1976-03-16 | Fuji Industries Co Ltd | * kantainaibumennifuchakusuru kannaifujunbutsuohakurijokyosuru hoho narabini sochi * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0392147U (fi) * | 1990-01-10 | 1991-09-19 |
Also Published As
Publication number | Publication date |
---|---|
JPS57161395A (en) | 1982-10-04 |
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