CN104565471B - 一种恒功率控制阀芯 - Google Patents
一种恒功率控制阀芯 Download PDFInfo
- Publication number
- CN104565471B CN104565471B CN201510029386.3A CN201510029386A CN104565471B CN 104565471 B CN104565471 B CN 104565471B CN 201510029386 A CN201510029386 A CN 201510029386A CN 104565471 B CN104565471 B CN 104565471B
- Authority
- CN
- China
- Prior art keywords
- valve element
- guide rod
- fluid port
- hydraulic fluid
- pressure hydraulic
- 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.)
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Classifications
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- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
- F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
- F16K17/30—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only spring-loaded
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/02—Stopping, starting, unloading or idling control
- F04B49/03—Stopping, starting, unloading or idling control by means of valves
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510029386.3A CN104565471B (zh) | 2015-01-21 | 2015-01-21 | 一种恒功率控制阀芯 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510029386.3A CN104565471B (zh) | 2015-01-21 | 2015-01-21 | 一种恒功率控制阀芯 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104565471A CN104565471A (zh) | 2015-04-29 |
CN104565471B true CN104565471B (zh) | 2017-06-16 |
Family
ID=53082214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510029386.3A Active CN104565471B (zh) | 2015-01-21 | 2015-01-21 | 一种恒功率控制阀芯 |
Country Status (1)
Country | Link |
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CN (1) | CN104565471B (zh) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9512368D0 (en) * | 1995-06-17 | 1995-08-16 | Knorr Bremse Systeme | Fluid pressure responsive governor valves |
CN201255257Y (zh) * | 2008-09-18 | 2009-06-10 | 高志明 | 恒功率控制阀 |
CN101922445B (zh) * | 2010-07-29 | 2013-08-21 | 杭州力龙液压有限公司 | 一种恒功率控制阀 |
CN102352834B (zh) * | 2011-10-13 | 2015-07-08 | 杭州力龙液压有限公司 | 一种恒功率控制阀 |
CN102704527A (zh) * | 2012-06-20 | 2012-10-03 | 山河智能装备股份有限公司 | 挖掘机液压泵功率控制装置 |
CN204420242U (zh) * | 2015-01-21 | 2015-06-24 | 苏州市内田液压机械设备贸易有限公司 | 恒功率控制阀芯 |
-
2015
- 2015-01-21 CN CN201510029386.3A patent/CN104565471B/zh active Active
Also Published As
Publication number | Publication date |
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CN104565471A (zh) | 2015-04-29 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210408 Address after: 215000 No.28 Wanfang Road, Wangting Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: SUZHOU ZHENGXIAOGANG HYDRAULIC MANUFACTURING Co.,Ltd. Address before: Room 107-108, building 6, New Oriental Auto Parts City, no.1588, Chengbei West Road, Gusu District, Suzhou, Jiangsu 215000 Patentee before: SUZHOU NEITIAN HYDRAULIC MACHINERY TRADE Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220112 Address after: 214000 No. 64, Xinfeng South Road, Xinjian Town, Yixing City, Wuxi City, Jiangsu Province Patentee after: Wuxi neitian Hydraulic Technology Co.,Ltd. Address before: 215000 No.28 Wanfang Road, Wangting Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: SUZHOU ZHENGXIAOGANG HYDRAULIC MANUFACTURING Co.,Ltd. |