FR2620166B1 - IMPULSE ACTION HYDROEJECTOR - Google Patents
IMPULSE ACTION HYDROEJECTORInfo
- Publication number
- FR2620166B1 FR2620166B1 FR8712524A FR8712524A FR2620166B1 FR 2620166 B1 FR2620166 B1 FR 2620166B1 FR 8712524 A FR8712524 A FR 8712524A FR 8712524 A FR8712524 A FR 8712524A FR 2620166 B1 FR2620166 B1 FR 2620166B1
- Authority
- FR
- France
- Prior art keywords
- hydroejector
- impulse action
- impulse
- action
- action hydroejector
- 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 - Fee Related
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/30—Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/02—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling time, or sequence, of delivery
- B05B12/06—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling time, or sequence, of delivery for effecting pulsating flow
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
- E02F5/287—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways with jet nozzles
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/60—Slitting by jets of water or other liquid
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Fluid-Pressure Circuits (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19873731234 DE3731234C1 (en) | 1987-09-17 | 1987-09-17 | High pressure water jet device with pulsating water jet |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2620166A1 FR2620166A1 (en) | 1989-03-10 |
FR2620166B1 true FR2620166B1 (en) | 1990-01-26 |
Family
ID=6336226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8712524A Expired - Fee Related FR2620166B1 (en) | 1987-09-17 | 1987-09-09 | IMPULSE ACTION HYDROEJECTOR |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE3731234C1 (en) |
FR (1) | FR2620166B1 (en) |
GB (1) | GB2209042A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4225372C2 (en) * | 1992-07-31 | 2001-08-23 | Kmg Kanal Mueller Gruppe Mitte | Pipe and sewer cleaning processes |
CN113640001A (en) * | 2021-07-12 | 2021-11-12 | 北京航空航天大学 | Generator for generating pulsating flow under high back pressure environment |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU768968A1 (en) * | 1978-06-01 | 1980-10-07 | Донецкий Ордена Трудового Красного Знамени Политехнический Институт | Hydraulic pulser |
SU1081350A1 (en) * | 1982-08-26 | 1984-03-23 | Государственный Союзный Завод По Механической И Химической Очистке Котлоагрегатов "Котлоочистка" | Hydraulic pulsing mechanism |
-
1987
- 1987-08-26 GB GB8720105A patent/GB2209042A/en not_active Withdrawn
- 1987-09-09 FR FR8712524A patent/FR2620166B1/en not_active Expired - Fee Related
- 1987-09-17 DE DE19873731234 patent/DE3731234C1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2209042A (en) | 1989-04-26 |
DE3731234C1 (en) | 1989-03-16 |
GB8720105D0 (en) | 1987-09-30 |
FR2620166A1 (en) | 1989-03-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |