CA2099666A1 - Variable pressure inlet system for hydraulic pumps - Google Patents
Variable pressure inlet system for hydraulic pumpsInfo
- Publication number
- CA2099666A1 CA2099666A1 CA002099666A CA2099666A CA2099666A1 CA 2099666 A1 CA2099666 A1 CA 2099666A1 CA 002099666 A CA002099666 A CA 002099666A CA 2099666 A CA2099666 A CA 2099666A CA 2099666 A1 CA2099666 A1 CA 2099666A1
- Authority
- CA
- Canada
- Prior art keywords
- variable pressure
- variable
- hydraulic pump
- pressure
- biasing means
- 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.)
- Abandoned
Links
- 239000012530 fluid Substances 0.000 claims abstract description 13
- 238000006073 displacement reaction Methods 0.000 claims description 13
- 238000005086 pumping Methods 0.000 abstract description 2
- ZPEZUAAEBBHXBT-WCCKRBBISA-N (2s)-2-amino-3-methylbutanoic acid;2-amino-3-methylbutanoic acid Chemical compound CC(C)C(N)C(O)=O.CC(C)[C@H](N)C(O)=O ZPEZUAAEBBHXBT-WCCKRBBISA-N 0.000 description 10
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 8
- 230000007935 neutral effect Effects 0.000 description 7
- 241000331231 Amorphocerini gen. n. 1 DAD-2008 Species 0.000 description 6
- XUKUURHRXDUEBC-KAYWLYCHSA-N Atorvastatin Chemical compound C=1C=CC=CC=1C1=C(C=2C=CC(F)=CC=2)N(CC[C@@H](O)C[C@@H](O)CC(O)=O)C(C(C)C)=C1C(=O)NC1=CC=CC=C1 XUKUURHRXDUEBC-KAYWLYCHSA-N 0.000 description 2
- 101150087426 Gnal gene Proteins 0.000 description 2
- 241000243251 Hydra Species 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- QRXWMOHMRWLFEY-UHFFFAOYSA-N isoniazide Chemical compound NNC(=O)C1=CC=NC=C1 QRXWMOHMRWLFEY-UHFFFAOYSA-N 0.000 description 2
- 241000370685 Arge Species 0.000 description 1
- 241000928610 Coula Species 0.000 description 1
- 208000010201 Exanthema Diseases 0.000 description 1
- 241000347881 Kadua laxiflora Species 0.000 description 1
- 241000489861 Maximus Species 0.000 description 1
- 101100078097 Mus musculus Msmp gene Proteins 0.000 description 1
- 241000392035 Oreas Species 0.000 description 1
- 240000004760 Pimpinella anisum Species 0.000 description 1
- WFAULHLDTDDABL-UHFFFAOYSA-N Proxazole citrate Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O.C=1C=CC=CC=1C(CC)C1=NOC(CCN(CC)CC)=N1 WFAULHLDTDDABL-UHFFFAOYSA-N 0.000 description 1
- 241000158147 Sator Species 0.000 description 1
- 241000592503 Speea Species 0.000 description 1
- 201000005884 exanthem Diseases 0.000 description 1
- SVIFGEVWHFNGCZ-UHFFFAOYSA-N n-[2-[di(propan-2-yl)amino]ethyl]-2-(2-oxopyrrolidin-1-yl)acetamide;hydron;chloride Chemical compound Cl.CC(C)N(C(C)C)CCNC(=O)CN1CCCC1=O SVIFGEVWHFNGCZ-UHFFFAOYSA-N 0.000 description 1
- 206010037844 rash Diseases 0.000 description 1
Classifications
-
- 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
- F04B49/007—Installations or systems with two or more pumps or pump cylinders, wherein the flow-path through the stages can be changed, e.g. from series to parallel
-
- 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
- F04B49/08—Regulating by delivery pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Reciprocating Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US7/821,379 | 1992-01-16 | ||
| US07/821,379 US5186612A (en) | 1992-01-16 | 1992-01-16 | Variable pressure inlet system for hydraulic pumps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2099666A1 true CA2099666A1 (en) | 1993-07-17 |
Family
ID=25233235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002099666A Abandoned CA2099666A1 (en) | 1992-01-16 | 1992-10-26 | Variable pressure inlet system for hydraulic pumps |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5186612A (https=) |
| EP (1) | EP0577783B1 (https=) |
| JP (1) | JPH06506521A (https=) |
| CA (1) | CA2099666A1 (https=) |
| DE (1) | DE69218765T2 (https=) |
| WO (1) | WO1993014317A1 (https=) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USH1977H1 (en) | 1998-12-23 | 2001-08-07 | Caterpillar Inc. | Closed loop hydraulic system with variable charge pressure |
| DE10045118B4 (de) * | 2000-09-13 | 2006-02-09 | Brueninghaus Hydromatik Gmbh | Hydraulisches System mit einer Hauptpumpe und einer Vordruckpumpe |
| DE102004057740C5 (de) * | 2004-11-30 | 2008-09-11 | Brueninghaus Hydromatik Gmbh | Hydraulischer Kreislauf mit Speisepumpe |
| JP4585415B2 (ja) * | 2005-09-20 | 2010-11-24 | 株式会社タクミナ | 往復動ポンプユニット、及び往復動ポンプ接続用配管構造体 |
| US20080238187A1 (en) * | 2007-03-30 | 2008-10-02 | Stephen Carl Garnett | Hydrostatic drive system with variable charge pump |
| EP2055943B1 (en) * | 2007-11-01 | 2017-07-26 | Danfoss Power Solutions Aps | Method of operating a fluid working machine |
| EP2055953B1 (en) * | 2007-11-01 | 2018-08-15 | Danfoss Power Solutions Aps | Fluid working machine |
| EP2055942B1 (en) * | 2007-11-01 | 2012-06-06 | Sauer-Danfoss ApS | Hydraulic system with supplement pump |
| EP2055946A1 (en) * | 2007-11-01 | 2009-05-06 | Sauer-Danfoss ApS | Operating mehtod for fluid working machine |
| EP2055945B8 (en) * | 2007-11-01 | 2017-12-06 | Danfoss Power Solutions Aps | Method of operating a fluid working machine |
| EP2055944B1 (en) * | 2007-11-01 | 2020-09-23 | Danfoss Power Solutions Aps | Method of controlling a cyclically commutated hydraulic pump |
| KR101638515B1 (ko) * | 2011-12-13 | 2016-07-11 | 얀마 가부시키가이샤 | 작업 차량 |
| DE102015216958A1 (de) * | 2015-09-04 | 2017-03-09 | Albert Ziegler Gmbh | Verfahren zum Betreiben einer Feuerlöschpumpe |
| DE102020205941A1 (de) | 2020-05-12 | 2021-11-18 | Mahle International Gmbh | Ölpumpsystem und ein Verfahren zum Regeln des Ölpumpsystems |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1972560A (en) * | 1931-11-26 | 1934-09-04 | Heller Ernst | Machine tool feeding means |
| US2522890A (en) * | 1945-08-22 | 1950-09-19 | Adolphe C Peterson | Fuel metering, distribution, and control means |
| DE2033053A1 (de) * | 1970-07-03 | 1972-01-05 | Robert Bosch Gmbh, 7000 Stuttgart | Steuereinrichtung für Verdrängerpumpe |
| US4014628A (en) * | 1975-05-15 | 1977-03-29 | Caterpillar Tractor Co. | Supercharged three-section pump |
| SU667684A1 (ru) * | 1976-06-07 | 1979-06-15 | Britvin Lev N | Дозировочный насосный агрегат |
| US4199944A (en) * | 1977-09-23 | 1980-04-29 | Tadeusz Budzich | Load responsive system pump controls |
| US4907949A (en) * | 1986-12-16 | 1990-03-13 | Regie Nationale Des Usines Renault | Variable flow pump |
-
1992
- 1992-01-16 US US07/821,379 patent/US5186612A/en not_active Expired - Fee Related
- 1992-10-26 JP JP5512413A patent/JPH06506521A/ja active Pending
- 1992-10-26 CA CA002099666A patent/CA2099666A1/en not_active Abandoned
- 1992-10-26 EP EP92922643A patent/EP0577783B1/en not_active Expired - Lifetime
- 1992-10-26 WO PCT/US1992/009016 patent/WO1993014317A1/en not_active Ceased
- 1992-10-26 DE DE69218765T patent/DE69218765T2/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0577783A1 (en) | 1994-01-12 |
| EP0577783B1 (en) | 1997-04-02 |
| DE69218765D1 (de) | 1997-05-07 |
| EP0577783A4 (https=) | 1994-04-13 |
| WO1993014317A1 (en) | 1993-07-22 |
| US5186612A (en) | 1993-02-16 |
| JPH06506521A (ja) | 1994-07-21 |
| DE69218765T2 (de) | 1997-11-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |