GB2402444B - Hydraulic pump - Google Patents
Hydraulic pumpInfo
- Publication number
- GB2402444B GB2402444B GB0419566A GB0419566A GB2402444B GB 2402444 B GB2402444 B GB 2402444B GB 0419566 A GB0419566 A GB 0419566A GB 0419566 A GB0419566 A GB 0419566A GB 2402444 B GB2402444 B GB 2402444B
- Authority
- GB
- United Kingdom
- Prior art keywords
- hydraulic pump
- hydraulic
- pump
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
- F04D15/0209—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid
-
- 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
- F04B49/005—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 changing the phase relationship of two working pistons in one working chamber or the phase-relationship of a piston and a driven distribution member
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
- F04D15/0209—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid
- F04D15/0218—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid the condition being a liquid level or a lack of liquid supply
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0206110.9A GB0206110D0 (en) | 2002-03-15 | 2002-03-15 | Hydraulic pump |
PCT/GB2003/001039 WO2003078839A2 (en) | 2002-03-15 | 2003-03-11 | Hydraulic pump |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0419566D0 GB0419566D0 (en) | 2004-10-06 |
GB2402444A GB2402444A (en) | 2004-12-08 |
GB2402444B true GB2402444B (en) | 2006-02-15 |
Family
ID=9933022
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GBGB0206110.9A Ceased GB0206110D0 (en) | 2002-03-15 | 2002-03-15 | Hydraulic pump |
GB0419566A Expired - Lifetime GB2402444B (en) | 2002-03-15 | 2003-03-11 | Hydraulic pump |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GBGB0206110.9A Ceased GB0206110D0 (en) | 2002-03-15 | 2002-03-15 | Hydraulic pump |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU2003209499A1 (en) |
GB (2) | GB0206110D0 (en) |
WO (1) | WO2003078839A2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7901190B2 (en) | 2004-07-28 | 2011-03-08 | Ian Gray | Pump control system |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2008873A (en) * | 1977-11-23 | 1979-06-06 | Klein Schanzlin & Becker Ag | Protection means for a device driven by an electric motor |
WO1995002126A1 (en) * | 1993-07-08 | 1995-01-19 | Fisherman Holdings Limited T/A M2Technology | Pump controller |
JPH07167102A (en) * | 1993-12-17 | 1995-07-04 | Sumitomo Metal Ind Ltd | Pressure control method in high pressure pump |
FR2722251A1 (en) * | 1994-07-05 | 1996-01-12 | Transenergie | Solar powered water pumping station for use in remote locations such as semi-arid zones |
DE19539395A1 (en) * | 1995-10-10 | 1997-04-17 | Hako Gmbh & Co | Electrically driven liquid pump e.g. for wet cleaning machine |
EP0819851A2 (en) * | 1996-07-19 | 1998-01-21 | GARDENA Kress + Kastner GmbH | Control device for a supplying pomp or the like |
US6055851A (en) * | 1996-08-12 | 2000-05-02 | Hitachi Construction Machinery Co., Ltd. | Apparatus for diagnosing failure of hydraulic pump for work machine |
WO2003029656A1 (en) * | 2001-10-03 | 2003-04-10 | Davey Products Pty Ltd | Pump control system |
WO2003036090A1 (en) * | 2001-10-19 | 2003-05-01 | Carrier Corporation | Compressor protection module and system and method incorporating same |
-
2002
- 2002-03-15 GB GBGB0206110.9A patent/GB0206110D0/en not_active Ceased
-
2003
- 2003-03-11 GB GB0419566A patent/GB2402444B/en not_active Expired - Lifetime
- 2003-03-11 AU AU2003209499A patent/AU2003209499A1/en not_active Abandoned
- 2003-03-11 WO PCT/GB2003/001039 patent/WO2003078839A2/en not_active Application Discontinuation
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2008873A (en) * | 1977-11-23 | 1979-06-06 | Klein Schanzlin & Becker Ag | Protection means for a device driven by an electric motor |
WO1995002126A1 (en) * | 1993-07-08 | 1995-01-19 | Fisherman Holdings Limited T/A M2Technology | Pump controller |
JPH07167102A (en) * | 1993-12-17 | 1995-07-04 | Sumitomo Metal Ind Ltd | Pressure control method in high pressure pump |
FR2722251A1 (en) * | 1994-07-05 | 1996-01-12 | Transenergie | Solar powered water pumping station for use in remote locations such as semi-arid zones |
DE19539395A1 (en) * | 1995-10-10 | 1997-04-17 | Hako Gmbh & Co | Electrically driven liquid pump e.g. for wet cleaning machine |
EP0819851A2 (en) * | 1996-07-19 | 1998-01-21 | GARDENA Kress + Kastner GmbH | Control device for a supplying pomp or the like |
US6055851A (en) * | 1996-08-12 | 2000-05-02 | Hitachi Construction Machinery Co., Ltd. | Apparatus for diagnosing failure of hydraulic pump for work machine |
WO2003029656A1 (en) * | 2001-10-03 | 2003-04-10 | Davey Products Pty Ltd | Pump control system |
WO2003036090A1 (en) * | 2001-10-19 | 2003-05-01 | Carrier Corporation | Compressor protection module and system and method incorporating same |
Also Published As
Publication number | Publication date |
---|---|
GB0419566D0 (en) | 2004-10-06 |
GB0206110D0 (en) | 2002-04-24 |
AU2003209499A1 (en) | 2003-09-29 |
GB2402444A (en) | 2004-12-08 |
WO2003078839A3 (en) | 2003-11-27 |
WO2003078839A2 (en) | 2003-09-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE20 | Patent expired after termination of 20 years |
Expiry date: 20230310 |