JP7510004B2 - 容積式ポンプの漏れ検出方法 - Google Patents
容積式ポンプの漏れ検出方法 Download PDFInfo
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- JP7510004B2 JP7510004B2 JP2023521846A JP2023521846A JP7510004B2 JP 7510004 B2 JP7510004 B2 JP 7510004B2 JP 2023521846 A JP2023521846 A JP 2023521846A JP 2023521846 A JP2023521846 A JP 2023521846A JP 7510004 B2 JP7510004 B2 JP 7510004B2
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- pump
- pressure
- speed
- displacement body
- leak detection
- Prior art date
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- 238000006073 displacement reaction Methods 0.000 title claims description 29
- 238000000034 method Methods 0.000 claims description 18
- 238000005259 measurement Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000010349 pulsation Effects 0.000 description 7
- 238000001228 spectrum Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/20—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by changing the driving speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/28—Safety arrangements; Monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0042—Systems for the equilibration of forces acting on the machines or pump
- F04C15/0046—Internal leakage control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C2/16—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/18—Pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/80—Diagnostics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/90—Remote control, e.g. wireless, via LAN, by radio, or by a wired connection from a central computer
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Examining Or Testing Airtightness (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Description
ステップa)圧力ラインを閉塞する、
ステップb)変位体の速度が既知の状態でポンプを運転する、
ステップc)圧力ライン内の圧力を測定する、
ステップd)ステップb)及びc)を異なる速度で繰り返す、
ステップe)測定された圧力の速度に対する依存性を記録する、
からなる。
Claims (7)
- 変位すべき媒体を圧力ライン(20)へ変位するための少なくとも1つの変位体(12)を有するポンプ(10)における漏れを検出する方法であって、
a)前記圧力ライン(20)を閉塞するステップ、
b)前記変位体(12)の速度が既知である状態で前記ポンプ(10)を運転するステップ、
c)前記圧力ライン(20)の圧力(P)を測定するステップ、
d)前記ステップb)及びステップc)を異なる速度で繰り返すステップ、
e)前記測定された圧力の速度からの依存性を記録するステップ、
を含み、
前記変位体(12)の速度は、最小速度(n1)から始まり、徐々に最大速度(n2;n2*)まで増加するようにプログラム制御され、
前記最大速度は、測定された圧力上昇に基づいて計算される漏れ検出方法。 - 前記ポンプ(10)により前記媒体が供給される消費対象(22)の動作状態を検出し、 前記消費対象(22)に前記媒体を供給する必要がないときに測定プロセスを開始するために、前記圧力ライン(20)を閉鎖する請求項1に記載の漏れ検出方法。
- 前記ポンプ(10)が、スクリュースピンドルポンプである請求項1又は2に記載の漏れ検出方法。
- 前記変位体(12)の速度が、前記変位体のための駆動部材の回転速度または変位体自体の回転速度によって与えられる請求項1~3のいずれか一項に記載の漏れ検出方法。
- 前記速度が、段階的に増加する請求項4に記載の漏れ検出方法。
- 測定された圧力(P)が、時間(t)の関数としても記録される請求項4又は5に記載の漏れ検出方法。
- 前記速度が、少なくとも前記変位体の全運転サイクルの間、前記各ステップで一定に保たれる請求項6に記載の漏れ検出方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102020127285.5 | 2020-10-16 | ||
DE102020127285.5A DE102020127285B3 (de) | 2020-10-16 | 2020-10-16 | Verfahren zur Feststellung von Leckagen einer Verdrängerpumpe |
PCT/EP2021/076788 WO2022078758A1 (de) | 2020-10-16 | 2021-09-29 | Verfahren zur feststellung von leckagen einer verdrängerpumpe |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2023544434A JP2023544434A (ja) | 2023-10-23 |
JP7510004B2 true JP7510004B2 (ja) | 2024-07-02 |
Family
ID=78078202
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2023521846A Active JP7510004B2 (ja) | 2020-10-16 | 2021-09-29 | 容積式ポンプの漏れ検出方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20230374987A1 (ja) |
EP (1) | EP4229298A1 (ja) |
JP (1) | JP7510004B2 (ja) |
CN (1) | CN116420022A (ja) |
DE (1) | DE102020127285B3 (ja) |
TW (1) | TWI782753B (ja) |
WO (1) | WO2022078758A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022001315A1 (de) * | 2022-04-16 | 2023-10-19 | Hydac Fluidtechnik Gmbh | Vorrichtung und Verfahren zum Ermitteln eines Zustandes, insbesondere eines Verschleißzustandes, einer Verdrängereinheit |
DE102022119147A1 (de) * | 2022-07-29 | 2024-02-01 | Ruhr-Universität Bochum, Körperschaft des öffentlichen Rechts | Verfahren zur Bestimmung oder Überwachung des Förderstroms einer Exzenterschneckenpumpe |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004525375A (ja) | 2001-03-02 | 2004-08-19 | ウォーターズ・インヴェストメンツ・リミテッド | 流体漏れの有無を決定する方法及び装置 |
DE102015206403A1 (de) | 2015-04-10 | 2016-10-13 | Robert Bosch Gmbh | Hydraulische Anordnung und Verfahren zur Leckagemessung für eine hydraulische Anordnung |
WO2020048947A1 (en) | 2018-09-06 | 2020-03-12 | Brinkmann Pumpen K.H. Brinkmann Gmbh & Co. Kg | A method for detecting leakage in a positive displacement pump |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0114646B1 (en) | 1983-01-19 | 1988-09-07 | Hitachi Construction Machinery Co., Ltd. | Failure detection system for hydraulic pump |
FR2605059B1 (fr) | 1986-10-08 | 1991-02-08 | Schlumberger Cie Dowell | Systeme de mesure de debit et de surveillance pour pompes a deplacement positif et pompes munies de ces systemes |
US7241115B2 (en) * | 2002-03-01 | 2007-07-10 | Waters Investments Limited | Methods and apparatus for determining the presence or absence of a fluid leak |
DE102014104708B3 (de) | 2014-04-02 | 2015-05-21 | Agilent Technologies, Inc. - A Delaware Corporation - | Ermittlung eines fluidverlusts einer kolbenpumpe basierend auf entleerzeitvariation |
US10378537B2 (en) | 2016-10-06 | 2019-08-13 | Caterpillar Inc. | System for detecting failure location in a pump |
-
2020
- 2020-10-16 DE DE102020127285.5A patent/DE102020127285B3/de active Active
-
2021
- 2021-09-29 CN CN202180070591.8A patent/CN116420022A/zh active Pending
- 2021-09-29 WO PCT/EP2021/076788 patent/WO2022078758A1/de unknown
- 2021-09-29 JP JP2023521846A patent/JP7510004B2/ja active Active
- 2021-09-29 US US18/031,466 patent/US20230374987A1/en active Pending
- 2021-09-29 EP EP21786377.8A patent/EP4229298A1/de active Pending
- 2021-10-15 TW TW110138350A patent/TWI782753B/zh active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004525375A (ja) | 2001-03-02 | 2004-08-19 | ウォーターズ・インヴェストメンツ・リミテッド | 流体漏れの有無を決定する方法及び装置 |
DE102015206403A1 (de) | 2015-04-10 | 2016-10-13 | Robert Bosch Gmbh | Hydraulische Anordnung und Verfahren zur Leckagemessung für eine hydraulische Anordnung |
WO2020048947A1 (en) | 2018-09-06 | 2020-03-12 | Brinkmann Pumpen K.H. Brinkmann Gmbh & Co. Kg | A method for detecting leakage in a positive displacement pump |
Also Published As
Publication number | Publication date |
---|---|
WO2022078758A1 (de) | 2022-04-21 |
DE102020127285B3 (de) | 2022-01-20 |
JP2023544434A (ja) | 2023-10-23 |
EP4229298A1 (de) | 2023-08-23 |
TWI782753B (zh) | 2022-11-01 |
TW202221230A (zh) | 2022-06-01 |
US20230374987A1 (en) | 2023-11-23 |
CN116420022A (zh) | 2023-07-11 |
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