IT982728B - COIL VALVE GROUPS - Google Patents
COIL VALVE GROUPSInfo
- Publication number
- IT982728B IT982728B IT22653/73A IT2265373A IT982728B IT 982728 B IT982728 B IT 982728B IT 22653/73 A IT22653/73 A IT 22653/73A IT 2265373 A IT2265373 A IT 2265373A IT 982728 B IT982728 B IT 982728B
- Authority
- IT
- Italy
- Prior art keywords
- valve groups
- coil valve
- coil
- groups
- valve
- Prior art date
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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
- F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
- F15B13/0403—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves a secondary valve member sliding within the main spool, e.g. for regeneration flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
- F16K11/07—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
- F16K11/0716—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides with fluid passages through the valve member
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87169—Supply and exhaust
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Pressure Circuits (AREA)
- Operation Control Of Excavators (AREA)
- Multiple-Way Valves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24545172A | 1972-04-19 | 1972-04-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT982728B true IT982728B (en) | 1974-10-21 |
Family
ID=22926711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22653/73A IT982728B (en) | 1972-04-19 | 1973-04-06 | COIL VALVE GROUPS |
Country Status (7)
Country | Link |
---|---|
US (1) | US3746040A (en) |
JP (1) | JPS4920722A (en) |
CA (1) | CA988392A (en) |
DE (1) | DE2318845A1 (en) |
FR (1) | FR2181018B1 (en) |
GB (1) | GB1420417A (en) |
IT (1) | IT982728B (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2156951B (en) * | 1984-04-06 | 1987-10-14 | Trans Nordic Limited | Directional control spool valve |
GB8600320D0 (en) * | 1986-01-08 | 1986-02-12 | Trans Nordic Hydraulics Ltd | Directional control spool valve |
FR2593265B1 (en) * | 1986-01-17 | 1988-04-22 | Rexroth Sigma | PRESSURE HYDRAULIC FLUID DISTRIBUTOR |
US4840111A (en) * | 1986-01-31 | 1989-06-20 | Moog Inc. | Energy-conserving regenerative-flow valves for hydraulic servomotors |
JP2839625B2 (en) * | 1990-03-05 | 1998-12-16 | 日立建機株式会社 | Hydraulic drive |
EP0907831A1 (en) * | 1996-07-05 | 1999-04-14 | Parker Hannifin GmbH | Controller for a cylinder working on a single side |
FR2753250B1 (en) * | 1996-09-10 | 1998-11-13 | Rexroth Sigma | MULTI-PART DRAWER HYDRAULIC VALVE |
US5992454A (en) * | 1998-07-21 | 1999-11-30 | Eaton Corporation | Lower and float capability in four position control valve |
JP6117385B2 (en) * | 2013-08-19 | 2017-04-19 | ジアンスー ホンリー ハイドローリックス カンパニー リミテッドJiangsu HengLi Hydraulics co.,ltd | Hydraulic control main valve used for energy reuse |
US10816018B2 (en) * | 2017-08-03 | 2020-10-27 | Kabushiki Kaisha Toyota Jidoshokki | Hydraulic driving device of industrial vehicle |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2949097A (en) * | 1957-12-11 | 1960-08-16 | New York Air Brake Co | Five position control valve having power float position |
US2965133A (en) * | 1959-01-08 | 1960-12-20 | New York Air Brake Co | Valve |
US3482600A (en) * | 1968-03-04 | 1969-12-09 | Commercial Shearing | Hollow slide valves |
-
1972
- 1972-04-19 US US00245451A patent/US3746040A/en not_active Expired - Lifetime
-
1973
- 1973-03-29 GB GB1525773A patent/GB1420417A/en not_active Expired
- 1973-04-06 IT IT22653/73A patent/IT982728B/en active
- 1973-04-09 CA CA168,637A patent/CA988392A/en not_active Expired
- 1973-04-13 DE DE19732318845 patent/DE2318845A1/en not_active Ceased
- 1973-04-18 JP JP48044010A patent/JPS4920722A/ja active Pending
- 1973-04-19 FR FR7314406A patent/FR2181018B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2318845A1 (en) | 1973-10-31 |
JPS4920722A (en) | 1974-02-23 |
FR2181018B1 (en) | 1978-02-17 |
CA988392A (en) | 1976-05-04 |
GB1420417A (en) | 1976-01-07 |
FR2181018A1 (en) | 1973-11-30 |
US3746040A (en) | 1973-07-17 |
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