FR2603396A1 - Hydraulic pressure reducing valve e.g. for holding workpiece - Google Patents
Hydraulic pressure reducing valve e.g. for holding workpieceInfo
- Publication number
- FR2603396A1 FR2603396A1 FR8612160A FR8612160A FR2603396A1 FR 2603396 A1 FR2603396 A1 FR 2603396A1 FR 8612160 A FR8612160 A FR 8612160A FR 8612160 A FR8612160 A FR 8612160A FR 2603396 A1 FR2603396 A1 FR 2603396A1
- Authority
- FR
- France
- Prior art keywords
- plunger
- bush
- pressure reducing
- reducing valve
- hydraulic pressure
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/04—Control of fluid pressure without auxiliary power
- G05D16/10—Control of fluid pressure without auxiliary power the sensing element being a piston or plunger
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Hydraulic Control Valves For Brake Systems (AREA)
- Magnetically Actuated Valves (AREA)
- Safety Valves (AREA)
Abstract
The hydraulic fluid enters the pressure reducing valve through an opening (4) in the housing (2) and flows into the ring shaped space (6) between the housing and a hollow bush (1). The bush has radial perforations (7) which are linked by a ring shaped groove (8). A hollow cylindrical plunger (9) slides axially inside the bush. The plunger has radial perforations (10) and an internal dividing wall (11) with two, excentric throttle holes (12, 13). A coil spring (18) presses the plunger downwards. The valve of the plunger having throttle hole (13), with both holes being located on the same half of the plunger. As a result there is little change of fluid flow through the control valve (17) during operation.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19863626043 DE3626043A1 (en) | 1986-08-01 | 1986-08-01 | Pressure-reducing valve |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2603396A1 true FR2603396A1 (en) | 1988-03-04 |
Family
ID=6306470
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8612160A Pending FR2603396A1 (en) | 1986-08-01 | 1986-08-28 | Hydraulic pressure reducing valve e.g. for holding workpiece |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE3626043A1 (en) |
FR (1) | FR2603396A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3446016A4 (en) * | 2016-04-22 | 2019-02-27 | QTF Sweden AB | Valve for device for degassing liquid mixtures |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4304796A1 (en) * | 1993-02-17 | 1994-08-18 | Rexroth Mannesmann Gmbh | Pilot-controlled pressure-relief valve |
DE4418524C2 (en) * | 1994-05-27 | 1996-07-25 | Rexroth Mannesmann Gmbh | Pilot operated 3-way pressure reducing valve |
KR100871170B1 (en) * | 2008-02-28 | 2008-12-05 | 김상욱 | Automatic pressure reducing valve |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2265130A1 (en) * | 1974-03-20 | 1975-10-17 | Bosch Gmbh Robert | |
DE2433590A1 (en) * | 1974-07-12 | 1976-01-29 | Bosch Gmbh Robert | Two stage pressure regulator - with provision for full flow from one circuit to another has pilot stage to move main spool |
DE2547646A1 (en) * | 1975-10-24 | 1977-04-28 | Bosch Gmbh Robert | Hydraulic shock absorber two way relief valve - prevents excessive pressure in either delivery line or return line |
-
1986
- 1986-08-01 DE DE19863626043 patent/DE3626043A1/en active Granted
- 1986-08-28 FR FR8612160A patent/FR2603396A1/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2265130A1 (en) * | 1974-03-20 | 1975-10-17 | Bosch Gmbh Robert | |
DE2433590A1 (en) * | 1974-07-12 | 1976-01-29 | Bosch Gmbh Robert | Two stage pressure regulator - with provision for full flow from one circuit to another has pilot stage to move main spool |
DE2547646A1 (en) * | 1975-10-24 | 1977-04-28 | Bosch Gmbh Robert | Hydraulic shock absorber two way relief valve - prevents excessive pressure in either delivery line or return line |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3446016A4 (en) * | 2016-04-22 | 2019-02-27 | QTF Sweden AB | Valve for device for degassing liquid mixtures |
Also Published As
Publication number | Publication date |
---|---|
DE3626043A1 (en) | 1988-02-04 |
DE3626043C2 (en) | 1991-10-31 |
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