IT1247729B - Dispositivo per il controllo della pressione in un sistema idraulico a pressione. - Google Patents
Dispositivo per il controllo della pressione in un sistema idraulico a pressione.Info
- Publication number
- IT1247729B IT1247729B IT04838390A IT4838390A IT1247729B IT 1247729 B IT1247729 B IT 1247729B IT 04838390 A IT04838390 A IT 04838390A IT 4838390 A IT4838390 A IT 4838390A IT 1247729 B IT1247729 B IT 1247729B
- Authority
- IT
- Italy
- Prior art keywords
- hydraulic pressure
- pressure control
- pressure
- pressure system
- control
- Prior art date
Links
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
- F04B49/08—Regulating by delivery pressure
-
- 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
- F04B49/22—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 means of valves
- F04B49/225—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 means of valves with throttling valves or valves varying the pump inlet opening or the outlet opening
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Safety Valves (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Control Of Fluid Pressure (AREA)
- Vehicle Body Suspensions (AREA)
- Control Of Transmission Device (AREA)
- Details Of Reciprocating Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3935325A DE3935325C1 (it) | 1989-10-24 | 1989-10-24 |
Publications (3)
Publication Number | Publication Date |
---|---|
IT9048383A0 IT9048383A0 (it) | 1990-10-17 |
IT9048383A1 IT9048383A1 (it) | 1992-04-17 |
IT1247729B true IT1247729B (it) | 1994-12-30 |
Family
ID=6392052
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT04838390A IT1247729B (it) | 1989-10-24 | 1990-10-17 | Dispositivo per il controllo della pressione in un sistema idraulico a pressione. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5133186A (it) |
JP (1) | JPH0718414B2 (it) |
DE (1) | DE3935325C1 (it) |
FR (1) | FR2653500A1 (it) |
GB (1) | GB2239294B (it) |
IT (1) | IT1247729B (it) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4228193C1 (de) * | 1992-08-25 | 1993-10-07 | Draegerwerk Ag | Vorrichtung zur Regelung der Fördermenge einer gedrosselten Pumpe |
US5546752A (en) * | 1995-02-23 | 1996-08-20 | Hydro-Gear Ltd. Partnership | Combination valve including improved neutral valve for use in hydrostatic transmission |
DE19612413B4 (de) * | 1996-03-28 | 2006-06-29 | Siemens Ag | Druckfluid-Versorgungssystem, insbesondere für ein Kraftstoff-Einspritzsystem |
US5968605A (en) * | 1997-02-27 | 1999-10-19 | Acushnet Company | Electron beam radiation curable inks for game balls, golf balls and the like |
US6477268B1 (en) * | 1998-11-17 | 2002-11-05 | Industrial Technology Research Institute | Producing transitions between vistas |
DE19947890B4 (de) * | 1999-10-05 | 2005-10-27 | Siemens Ag | Verfahren zum Betreiben einer Pumpe in einer Kraftstoffeinspritzanlage |
US6755625B2 (en) | 2002-10-07 | 2004-06-29 | Robert H. Breeden | Inlet throttle valve |
WO2004046534A1 (en) * | 2002-11-18 | 2004-06-03 | Breeden Robert H | Solenoid regulated pump assembly |
US7296594B1 (en) | 2005-03-22 | 2007-11-20 | Hydro-Gear Limited Partnership | Combination check valve and neutral valve assembly for use in a hydraulic component |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1231933B (de) * | 1958-11-28 | 1967-01-05 | Bosch Gmbh Robert | Hydraulische Druckregeleinrichtung |
FR1308611A (fr) * | 1961-08-31 | 1962-11-09 | Blechbearbeitungsmaschinenwerk | Procédé de détente de colonnes d'huile sous haute pression |
US3182596A (en) * | 1963-05-31 | 1965-05-11 | Borg Warner | Hydraulic systems and pumps |
US3210939A (en) * | 1964-01-24 | 1965-10-12 | Chrysler Corp | Flow control device |
DE1453450A1 (de) * | 1964-02-08 | 1969-03-27 | Bosch Gmbh Robert | Hydraulische Pumpenanlage |
US3935917A (en) * | 1974-10-18 | 1976-02-03 | Tyrone Hydraulics, Inc. | Hydraulic pump control system |
US4237926A (en) * | 1979-01-29 | 1980-12-09 | Caterpillar Tractor Co. | Fluid flow shutoff valve |
DE2930107A1 (de) * | 1979-07-25 | 1981-02-05 | Zahnradfabrik Friedrichshafen | Hochdruckpumpe mit druckregler |
FR2508112B1 (fr) * | 1981-06-19 | 1986-05-02 | Citroen Sa | Regulateur de pompe par etranglement a l'aspiration avec limiteur de pression incorpore |
AT377337B (de) * | 1982-03-05 | 1985-03-11 | Hoerbiger Ventilwerke Ag | Saugregelventil fuer rotationsverdichter |
WO1985004455A1 (en) * | 1984-03-29 | 1985-10-10 | Zahnradfabrik Friedrichshafen Ag | Hydraulic system for vehicles |
US4741675A (en) * | 1986-08-04 | 1988-05-03 | Hydreco, Incorporated | Flow control system for a hydraulic pump |
DE3734928A1 (de) * | 1986-10-23 | 1988-04-28 | Zahnradfabrik Friedrichshafen | Kolbenpumpe und leistungsregelventil fuer eine kolbenpumpe |
US4731999A (en) * | 1987-04-24 | 1988-03-22 | Vickers, Incorporated | Power transmission |
JPH0792069B2 (ja) * | 1988-09-26 | 1995-10-09 | 株式会社神戸製鋼所 | スクリュ圧縮機 |
-
1989
- 1989-10-24 DE DE3935325A patent/DE3935325C1/de not_active Expired - Lifetime
-
1990
- 1990-10-09 GB GB9021867A patent/GB2239294B/en not_active Expired - Fee Related
- 1990-10-17 IT IT04838390A patent/IT1247729B/it active IP Right Grant
- 1990-10-19 JP JP2279548A patent/JPH0718414B2/ja not_active Expired - Lifetime
- 1990-10-22 FR FR9013052A patent/FR2653500A1/fr active Granted
- 1990-10-23 US US07/601,394 patent/US5133186A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2653500B1 (it) | 1995-03-03 |
GB2239294B (en) | 1993-09-08 |
IT9048383A0 (it) | 1990-10-17 |
GB9021867D0 (en) | 1990-11-21 |
JPH0718414B2 (ja) | 1995-03-06 |
US5133186A (en) | 1992-07-28 |
IT9048383A1 (it) | 1992-04-17 |
JPH03144809A (ja) | 1991-06-20 |
GB2239294A (en) | 1991-06-26 |
FR2653500A1 (fr) | 1991-04-26 |
DE3935325C1 (it) | 1991-05-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19971029 |