EP0952354A3 - Fast-approach circuit for hydraulic motors and cylinders - Google Patents
Fast-approach circuit for hydraulic motors and cylinders Download PDFInfo
- Publication number
- EP0952354A3 EP0952354A3 EP99107869A EP99107869A EP0952354A3 EP 0952354 A3 EP0952354 A3 EP 0952354A3 EP 99107869 A EP99107869 A EP 99107869A EP 99107869 A EP99107869 A EP 99107869A EP 0952354 A3 EP0952354 A3 EP 0952354A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- fast
- cylinders
- hydraulic motors
- approach circuit
- traverse unit
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/14—Energy-recuperation means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/024—Systems essentially incorporating special features for controlling the speed or actuating force of an output member by means of differential connection of the servomotor lines, e.g. regenerative circuits
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
- Control Of Fluid Gearings (AREA)
- Actuator (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19818537 | 1998-04-24 | ||
DE19818537A DE19818537A1 (en) | 1998-04-24 | 1998-04-24 | Rapid traverse for hydraulic oil motors and cylinders |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0952354A2 EP0952354A2 (en) | 1999-10-27 |
EP0952354A3 true EP0952354A3 (en) | 2001-03-07 |
EP0952354B1 EP0952354B1 (en) | 2004-06-30 |
Family
ID=7865776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99107869A Expired - Lifetime EP0952354B1 (en) | 1998-04-24 | 1999-04-21 | Fast-approach circuit for hydraulic motors and cylinders |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0952354B1 (en) |
AT (1) | ATE270395T1 (en) |
DE (2) | DE19818537A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2825421B1 (en) * | 2001-06-05 | 2004-08-27 | Ptc | DEVICE FOR SUPPRESSING BACK PRESSURES IN THE RETURN CIRCUIT OF A HYDRAULIC SYSTEM |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3038312A (en) * | 1958-09-29 | 1962-06-12 | Rockwell Mfg Co | Regenerative hydraulic torque multiplication system |
US3438307A (en) * | 1965-05-20 | 1969-04-15 | Trima Ab | Differential piston control system |
US5251705A (en) * | 1992-03-19 | 1993-10-12 | Deere & Company | Electrical trigger for quick drop valve |
JPH0972303A (en) * | 1995-09-06 | 1997-03-18 | Tokimec Inc | Variable displacement type hydraulic device system |
EP0797027A2 (en) * | 1996-02-14 | 1997-09-24 | Gottfried Keller | Hydro-mechanical gearbox |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29512061U1 (en) * | 1995-07-26 | 1995-11-16 | Kemptener Maschinenfabrik GmbH, 87437 Kempten | Double-acting pressure medium cylinder |
-
1998
- 1998-04-24 DE DE19818537A patent/DE19818537A1/en not_active Withdrawn
-
1999
- 1999-04-21 EP EP99107869A patent/EP0952354B1/en not_active Expired - Lifetime
- 1999-04-21 DE DE59909832T patent/DE59909832D1/en not_active Expired - Fee Related
- 1999-04-21 AT AT99107869T patent/ATE270395T1/en not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3038312A (en) * | 1958-09-29 | 1962-06-12 | Rockwell Mfg Co | Regenerative hydraulic torque multiplication system |
US3438307A (en) * | 1965-05-20 | 1969-04-15 | Trima Ab | Differential piston control system |
US5251705A (en) * | 1992-03-19 | 1993-10-12 | Deere & Company | Electrical trigger for quick drop valve |
JPH0972303A (en) * | 1995-09-06 | 1997-03-18 | Tokimec Inc | Variable displacement type hydraulic device system |
EP0797027A2 (en) * | 1996-02-14 | 1997-09-24 | Gottfried Keller | Hydro-mechanical gearbox |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 07 31 July 1997 (1997-07-31) * |
Also Published As
Publication number | Publication date |
---|---|
ATE270395T1 (en) | 2004-07-15 |
DE19818537A1 (en) | 1999-10-28 |
EP0952354A2 (en) | 1999-10-27 |
DE59909832D1 (en) | 2004-08-05 |
EP0952354B1 (en) | 2004-06-30 |
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