EP0134744A3 - Proportional follower spool valve system - Google Patents
Proportional follower spool valve system Download PDFInfo
- Publication number
- EP0134744A3 EP0134744A3 EP84420120A EP84420120A EP0134744A3 EP 0134744 A3 EP0134744 A3 EP 0134744A3 EP 84420120 A EP84420120 A EP 84420120A EP 84420120 A EP84420120 A EP 84420120A EP 0134744 A3 EP0134744 A3 EP 0134744A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- assembly
- proportional
- valve system
- spool valve
- 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
- 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
-
- 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
- F15B13/0416—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor with means or adapted for load sensing
- F15B13/0417—Load sensing elements; Internal fluid connections therefor; Anti-saturation or pressure-compensation valves
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Servomotors (AREA)
- Multiple-Way Valves (AREA)
- Magnetically Actuated Valves (AREA)
- Fluid-Driven Valves (AREA)
- Fluid-Pressure Circuits (AREA)
- Outside Dividers And Delivering Mechanisms For Harvesters (AREA)
- Harvester Elements (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT84420120T ATE52575T1 (en) | 1983-07-07 | 1984-07-06 | PROPORTIONAL FOLLOWING CONTROL SLIDER SYSTEM. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US51157683A | 1983-07-07 | 1983-07-07 | |
US511576 | 1983-07-07 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0134744A2 EP0134744A2 (en) | 1985-03-20 |
EP0134744A3 true EP0134744A3 (en) | 1988-03-16 |
EP0134744B1 EP0134744B1 (en) | 1990-05-09 |
Family
ID=24035495
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84420120A Expired - Lifetime EP0134744B1 (en) | 1983-07-07 | 1984-07-06 | Proportional follower spool valve system |
EP85420098A Withdrawn EP0202385A1 (en) | 1983-07-07 | 1985-05-24 | Reel speed valve assembly |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85420098A Withdrawn EP0202385A1 (en) | 1983-07-07 | 1985-05-24 | Reel speed valve assembly |
Country Status (5)
Country | Link |
---|---|
EP (2) | EP0134744B1 (en) |
JP (1) | JPH0776561B2 (en) |
AT (1) | ATE52575T1 (en) |
CA (1) | CA1229022A (en) |
DE (1) | DE3482205D1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE52575T1 (en) * | 1983-07-07 | 1990-05-15 | Kenneth W Zeuner | PROPORTIONAL FOLLOWING CONTROL SLIDER SYSTEM. |
SE463324B (en) * | 1988-11-03 | 1990-11-05 | Monsun Tison Ab | STAELLDON PROVIDES DISTANCE CONTROL WITH DIFFICULTY FOR DIRECT CONTROL OF HYDRAULIC DIRECTION VALVES |
DK170122B1 (en) * | 1993-06-04 | 1995-05-29 | Man B & W Diesel Gmbh | Large two stroke internal combustion engine |
CN104074825B (en) * | 2014-07-17 | 2016-01-13 | 圣邦集团有限公司 | Two-way choice type interflow load-transducing multi-way valve |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2526709A (en) * | 1945-11-29 | 1950-10-24 | Sperry Corp | Fluid operated motor valve |
US2555755A (en) * | 1948-12-11 | 1951-06-05 | Wyman Gordon Co | High-pressure hydraulic valve with pilot valve |
US2600348A (en) * | 1949-12-30 | 1952-06-10 | Gen Electric | Two-stage hydraulic control valve |
US3060969A (en) * | 1960-02-24 | 1962-10-30 | Alkon Products Corp | Hydraulic valve |
US3089517A (en) * | 1958-07-17 | 1963-05-14 | Walter D Ludwig | Compound valve |
US3152610A (en) * | 1961-09-11 | 1964-10-13 | New York Air Brake Co | Hydraulic device |
US3530895A (en) * | 1968-02-09 | 1970-09-29 | Palmer Supply Co | Automatic fluid pressure switching valve |
US3749128A (en) * | 1971-04-08 | 1973-07-31 | Koehring Co | High frequency response servo valve |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2462983A (en) * | 1943-10-20 | 1949-03-01 | Bendix Aviat Corp | Fluid actuated valve |
US2665704A (en) * | 1948-03-26 | 1954-01-12 | Borg Warner | Constant speed flow control valve |
GB1231687A (en) * | 1969-08-15 | 1971-05-12 | ||
JPS50111600U (en) * | 1974-02-12 | 1975-09-11 | ||
JPS5820702U (en) * | 1981-07-31 | 1983-02-08 | 日立建機株式会社 | Spool operation valve |
ATE52575T1 (en) * | 1983-07-07 | 1990-05-15 | Kenneth W Zeuner | PROPORTIONAL FOLLOWING CONTROL SLIDER SYSTEM. |
-
1984
- 1984-07-06 AT AT84420120T patent/ATE52575T1/en active
- 1984-07-06 DE DE8484420120T patent/DE3482205D1/en not_active Expired - Lifetime
- 1984-07-06 EP EP84420120A patent/EP0134744B1/en not_active Expired - Lifetime
- 1984-07-06 JP JP59139225A patent/JPH0776561B2/en not_active Expired - Lifetime
- 1984-07-06 CA CA000458376A patent/CA1229022A/en not_active Expired
-
1985
- 1985-05-24 EP EP85420098A patent/EP0202385A1/en not_active Withdrawn
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2526709A (en) * | 1945-11-29 | 1950-10-24 | Sperry Corp | Fluid operated motor valve |
US2555755A (en) * | 1948-12-11 | 1951-06-05 | Wyman Gordon Co | High-pressure hydraulic valve with pilot valve |
US2600348A (en) * | 1949-12-30 | 1952-06-10 | Gen Electric | Two-stage hydraulic control valve |
US3089517A (en) * | 1958-07-17 | 1963-05-14 | Walter D Ludwig | Compound valve |
US3060969A (en) * | 1960-02-24 | 1962-10-30 | Alkon Products Corp | Hydraulic valve |
US3152610A (en) * | 1961-09-11 | 1964-10-13 | New York Air Brake Co | Hydraulic device |
US3530895A (en) * | 1968-02-09 | 1970-09-29 | Palmer Supply Co | Automatic fluid pressure switching valve |
US3749128A (en) * | 1971-04-08 | 1973-07-31 | Koehring Co | High frequency response servo valve |
Also Published As
Publication number | Publication date |
---|---|
EP0134744A2 (en) | 1985-03-20 |
JPS60121305A (en) | 1985-06-28 |
EP0202385A1 (en) | 1986-11-26 |
EP0134744B1 (en) | 1990-05-09 |
ATE52575T1 (en) | 1990-05-15 |
CA1229022A (en) | 1987-11-10 |
DE3482205D1 (en) | 1990-06-13 |
JPH0776561B2 (en) | 1995-08-16 |
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