ITTO20040202A1 - Valvola pilota rotativa - Google Patents
Valvola pilota rotativaInfo
- Publication number
- ITTO20040202A1 ITTO20040202A1 ITTO20040202A ITTO20040202A1 IT TO20040202 A1 ITTO20040202 A1 IT TO20040202A1 IT TO20040202 A ITTO20040202 A IT TO20040202A IT TO20040202 A1 ITTO20040202 A1 IT TO20040202A1
- Authority
- IT
- Italy
- Prior art keywords
- pilot valve
- rotary pilot
- rotary
- valve
- pilot
- 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
- F15B13/0406—Valve members; Fluid interconnections therefor for rotary 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
- F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
- F15B13/0422—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with manually-operated pilot valves, e.g. joysticks
-
- 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
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
- G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
- G05G5/06—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for holding members in one or a limited number of definite positions only
- G05G5/065—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for holding members in one or a limited number of definite positions only using a spring-loaded ball
-
- 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
- Y10T137/86493—Multi-way valve unit
- Y10T137/86574—Supply and exhaust
- Y10T137/86638—Rotary valve
-
- 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
- Y10T137/86493—Multi-way valve unit
- Y10T137/86574—Supply and exhaust
- Y10T137/86638—Rotary valve
- Y10T137/86646—Plug type
- Y10T137/86654—For plural lines
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mechanically-Actuated Valves (AREA)
- Multiple-Way Valves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003090577A JP4159914B2 (ja) | 2003-03-28 | 2003-03-28 | ロータリ型パイロットバルブ |
Publications (1)
Publication Number | Publication Date |
---|---|
ITTO20040202A1 true ITTO20040202A1 (it) | 2004-06-25 |
Family
ID=32985289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITTO20040202 ITTO20040202A1 (it) | 2003-03-28 | 2004-03-25 | Valvola pilota rotativa |
Country Status (3)
Country | Link |
---|---|
US (1) | US7578313B2 (it) |
JP (1) | JP4159914B2 (it) |
IT (1) | ITTO20040202A1 (it) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102817827B (zh) * | 2012-02-06 | 2016-02-17 | 上海中欧汽车电器有限公司 | 换向阀及装设该换向阀的手动液压泵 |
KR101419182B1 (ko) * | 2013-07-12 | 2014-07-11 | 현대다이모스(주) | 수동변속기용 기어 변속 레버 |
EP3279530A4 (en) * | 2015-04-02 | 2019-09-11 | Science & Technology Development Fund | HYDRAULIC SERVOVALVES WITH DIRECT CONTROL |
DE102018203436A1 (de) | 2018-03-07 | 2019-09-12 | Deere & Company | Hydraulische Steuerventileinheit |
DE102020119607A1 (de) | 2020-07-24 | 2022-01-27 | Festo Se & Co. Kg | Verteilermodul und Ventileinrichtung mit einem solchen Verteilermodul |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2182459A (en) * | 1937-01-08 | 1939-12-05 | Vickers Inc | Valve housing and rotor |
GB804897A (en) * | 1957-01-02 | 1958-11-26 | Boulton Aircraft Ltd | Improvements in or relating to hydraulic valves |
US3774634A (en) * | 1972-03-01 | 1973-11-27 | R Bonney | Rotary spool valve |
US4143676A (en) * | 1976-03-29 | 1979-03-13 | Jozsef Ivony | Hydraulic port control apparatus, e.g. for motor vehicle servo steering gear |
JPS5666570A (en) | 1979-10-30 | 1981-06-05 | Nobuyuki Sugimura | Directional control valve with variable throttle |
US5301922A (en) * | 1990-10-05 | 1994-04-12 | Yamaha Hatsudoki Kabushiki Kaisha | Change-over valve means for a hydraulic clutch of the marine propulsion unit |
-
2003
- 2003-03-28 JP JP2003090577A patent/JP4159914B2/ja not_active Expired - Fee Related
-
2004
- 2004-03-15 US US10/800,794 patent/US7578313B2/en not_active Expired - Fee Related
- 2004-03-25 IT ITTO20040202 patent/ITTO20040202A1/it unknown
Also Published As
Publication number | Publication date |
---|---|
US7578313B2 (en) | 2009-08-25 |
JP4159914B2 (ja) | 2008-10-01 |
JP2004293757A (ja) | 2004-10-21 |
US20040187937A1 (en) | 2004-09-30 |
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