CN100406717C - 水轮机等的调速器及控制阀 - Google Patents
水轮机等的调速器及控制阀 Download PDFInfo
- Publication number
- CN100406717C CN100406717C CNB2005100708410A CN200510070841A CN100406717C CN 100406717 C CN100406717 C CN 100406717C CN B2005100708410 A CNB2005100708410 A CN B2005100708410A CN 200510070841 A CN200510070841 A CN 200510070841A CN 100406717 C CN100406717 C CN 100406717C
- Authority
- CN
- China
- Prior art keywords
- mentioned
- control
- plunger
- valve
- oil
- 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.)
- Expired - Fee Related
Links
Images
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
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/044—Removal or measurement of undissolved gas, e.g. de-aeration, venting or bleeding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/16—Stators
- F03B3/18—Stator blades; Guide conduits or vanes, e.g. adjustable
- F03B3/183—Adjustable vanes, e.g. wicket gates
-
- 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
- F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
- F15B13/043—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 electrically-controlled pilot valves
- F15B13/0435—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 electrically-controlled pilot valves the pilot valves being sliding valves
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
-
- 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
- Y10T137/86622—Motor-operated
- Y10T137/8663—Fluid motor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- Hydraulic Turbines (AREA)
- Servomotors (AREA)
- Fluid-Pressure Circuits (AREA)
- Fluid-Driven Valves (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004152694 | 2004-05-24 | ||
JP2004152694A JP4214952B2 (ja) | 2004-05-24 | 2004-05-24 | 水車等の調速機及び配圧弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1702318A CN1702318A (zh) | 2005-11-30 |
CN100406717C true CN100406717C (zh) | 2008-07-30 |
Family
ID=35375312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005100708410A Expired - Fee Related CN100406717C (zh) | 2004-05-24 | 2005-05-19 | 水轮机等的调速器及控制阀 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7225719B2 (zh) |
JP (1) | JP4214952B2 (zh) |
CN (1) | CN100406717C (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5986414B2 (ja) * | 2012-03-30 | 2016-09-06 | 株式会社タダノ | 作業機械用油圧回路 |
GB201313804D0 (en) * | 2013-08-01 | 2013-09-18 | Moog Controls Ltd | Improvements in hydraulic servovalves |
CN106015640A (zh) * | 2016-06-06 | 2016-10-12 | 哈尔滨电机厂有限责任公司 | 机械液压定位功能的主配压阀 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4515184A (en) * | 1983-07-18 | 1985-05-07 | Abex Corporation | Modular directional valve |
US5853071A (en) * | 1997-07-10 | 1998-12-29 | Mcdonnell Douglas Corporation | Bleed valve for bleeding fluid from a hydraulic circuit |
JP2000018145A (ja) * | 1998-07-07 | 2000-01-18 | Hitachi Ltd | 水力発電所の調速機及びその運転方法 |
-
2004
- 2004-05-24 JP JP2004152694A patent/JP4214952B2/ja not_active Expired - Fee Related
-
2005
- 2005-05-19 CN CNB2005100708410A patent/CN100406717C/zh not_active Expired - Fee Related
- 2005-05-23 US US11/134,295 patent/US7225719B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4515184A (en) * | 1983-07-18 | 1985-05-07 | Abex Corporation | Modular directional valve |
US5853071A (en) * | 1997-07-10 | 1998-12-29 | Mcdonnell Douglas Corporation | Bleed valve for bleeding fluid from a hydraulic circuit |
JP2000018145A (ja) * | 1998-07-07 | 2000-01-18 | Hitachi Ltd | 水力発電所の調速機及びその運転方法 |
Also Published As
Publication number | Publication date |
---|---|
CN1702318A (zh) | 2005-11-30 |
US20050260064A1 (en) | 2005-11-24 |
JP2005337013A (ja) | 2005-12-08 |
JP4214952B2 (ja) | 2009-01-28 |
US7225719B2 (en) | 2007-06-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20070140878A1 (en) | Hydraulically-actuated diaphragm pump with a leak compensation device | |
KR101753419B1 (ko) | 윤활유 펌프 시스템 | |
US9038659B2 (en) | Relief valve device | |
JP5870500B2 (ja) | 静圧流体軸受装置 | |
CN100406717C (zh) | 水轮机等的调速器及控制阀 | |
CN101865171A (zh) | 螺纹插装式平衡阀 | |
WO2010004511A1 (en) | Pressure relief valve | |
US6709245B2 (en) | Regulated pump | |
CN101126404A (zh) | 压力控制阀 | |
US20130343940A1 (en) | Hydraulic feed device and hydraulic system | |
CN102128284B (zh) | 一种减压式平衡液压锁 | |
CN201025133Y (zh) | 一种柴油机液压调速器 | |
US4813447A (en) | Flow control valve apparatus | |
CN103016435A (zh) | 一种防止液压马达反转阀 | |
CN201232784Y (zh) | 负载保持阀 | |
CN102777438A (zh) | 多功能集成式液压马达阀组 | |
CN110701370A (zh) | 电动驱动式流量控制阀 | |
CN202991688U (zh) | 多功能集成式液压马达阀组 | |
CN102367818A (zh) | 电液推杆专用集成阀组 | |
CN201858207U (zh) | 螺纹插装式平衡阀 | |
KR102078496B1 (ko) | 펌프 장치 | |
CN201407224Y (zh) | 溢流阀 | |
CN203404149U (zh) | 一种防止液压马达反转阀 | |
CN210484227U (zh) | 外溢式工程机械空调阀 | |
CN205781142U (zh) | 一种大口径先导式安全阀 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: HITACHI MITSUBISHI HYDRO COMPANY Free format text: FORMER OWNER: HITACHI,LTD. Effective date: 20130305 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130305 Address after: Tokyo, Japan Patentee after: Hitachi MITSUBISHI water company Address before: Tokyo, Japan, Japan Patentee before: Hitachi Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080730 Termination date: 20190519 |
|
CF01 | Termination of patent right due to non-payment of annual fee |