US20150345491A1 - Plunger pump power control device and control method thereof - Google Patents

Plunger pump power control device and control method thereof Download PDF

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Publication number
US20150345491A1
US20150345491A1 US14/818,333 US201514818333A US2015345491A1 US 20150345491 A1 US20150345491 A1 US 20150345491A1 US 201514818333 A US201514818333 A US 201514818333A US 2015345491 A1 US2015345491 A1 US 2015345491A1
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US
United States
Prior art keywords
valve
oil
spring
valve core
variable piston
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.)
Abandoned
Application number
US14/818,333
Other languages
English (en)
Inventor
Liping Wang
Tong Li
Haiming Hua
Dachao Lin
Lei Wei
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Hengli Hydraulic Co Ltd
Original Assignee
Jiangsu Hengli Hydraulic Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CN201310590024.2A external-priority patent/CN104234992B/zh
Priority claimed from CN201320740091.3U external-priority patent/CN203627179U/zh
Application filed by Jiangsu Hengli Hydraulic Co Ltd filed Critical Jiangsu Hengli Hydraulic Co Ltd
Assigned to JIANGSU HENGLI HYDRAULIC CO., LTD reassignment JIANGSU HENGLI HYDRAULIC CO., LTD ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LI, TONG, HUA, Haiming, LIN, Dachao, WANG, LIPING, WEI, LEI
Publication of US20150345491A1 publication Critical patent/US20150345491A1/en
Abandoned legal-status Critical Current

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Classifications

    • 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
    • F04B49/22—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 by means of valves
    • 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
    • F04B2205/00—Fluid parameters
    • F04B2205/04—Pressure in the outlet chamber
    • 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
    • F04B49/08—Regulating by delivery pressure
US14/818,333 2013-11-20 2015-08-05 Plunger pump power control device and control method thereof Abandoned US20150345491A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CN201310590024.2A CN104234992B (zh) 2013-11-20 2013-11-20 一种柱塞泵功率控制装置及其控制方法
CN201310590024.2 2013-11-20
CN201320740091.3U CN203627179U (zh) 2013-11-20 2013-11-20 一种柱塞泵功率控制装置
CN201320740091.3 2013-11-20
PCT/CN2013/001488 WO2015074167A1 (zh) 2013-11-20 2013-12-02 一种柱塞泵功率控制装置及其控制方法

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2013/001488 Continuation WO2015074167A1 (zh) 2013-11-20 2013-12-02 一种柱塞泵功率控制装置及其控制方法

Publications (1)

Publication Number Publication Date
US20150345491A1 true US20150345491A1 (en) 2015-12-03

Family

ID=53178768

Family Applications (1)

Application Number Title Priority Date Filing Date
US14/818,333 Abandoned US20150345491A1 (en) 2013-11-20 2015-08-05 Plunger pump power control device and control method thereof

Country Status (4)

Country Link
US (1) US20150345491A1 (ja)
EP (1) EP2944818B1 (ja)
JP (1) JP6105759B2 (ja)
WO (1) WO2015074167A1 (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107940057A (zh) * 2017-12-13 2018-04-20 宁波勋辉电器有限公司 一种高压清洗机柱塞泵调压阀
CN108050029A (zh) * 2017-12-05 2018-05-18 宁波市奉化溪口威尔特制泵厂 一种节能高效斜盘式高压柱塞泵
CN108302078A (zh) * 2018-03-19 2018-07-20 安徽博流体传动股份有限公司 远程压力控制阀
CN110816504A (zh) * 2019-11-05 2020-02-21 南京经纬达汽车科技有限公司 一种柱塞泵式分布式自主制动系统
CN114687979A (zh) * 2022-03-21 2022-07-01 江苏汇智高端工程机械创新中心有限公司 柱塞泵流量及功率控制系统
CN114837912A (zh) * 2022-05-17 2022-08-02 中轨科泰(河北)铁路设备有限公司 一种恒排量轮压油泵及包含该油泵的自动化设备

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107051819A (zh) * 2017-05-09 2017-08-18 深圳市万禾自动化设备有限公司 多头同步定量点胶装置
CN107781126B (zh) * 2017-11-22 2023-12-05 江苏恒立液压科技有限公司 液压泵控制阀
CN110985212B (zh) * 2019-11-04 2022-04-22 南京航空航天大学 一种泵控缸间接液力驱动式燃油开关阀及其控制方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3375756A (en) * 1965-02-06 1968-04-02 Hydraulica Hollerich Luxembour Multiple- or variable-speed motors notably hydraulic motors with monitoring system and its applications
US3625322A (en) * 1968-10-30 1971-12-07 Toyo Kogyo Co Friction coupling controlled by vehicle speed and manifold vacuum
US3998111A (en) * 1975-03-24 1976-12-21 Caterpillar Tractor Co. Fluid circuit for shifting a transmission
US4648803A (en) * 1985-09-17 1987-03-10 Deere & Company Control circuit and control valve for radial piston pump
US5586869A (en) * 1991-12-13 1996-12-24 Putzmeister-Werk Maschinenfabrik Gmbh Initial pressure governor for a variable displacement pump
US5876185A (en) * 1996-11-20 1999-03-02 Caterpillar Inc. Load sensing pump control for a variable displacement pump
US20070051414A1 (en) * 2005-08-17 2007-03-08 Aisin Aw Co., Ltd. Spool valve device

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5521191B2 (ja) * 1972-09-28 1980-06-07
US3865514A (en) * 1973-07-25 1975-02-11 Sperry Rand Corp Power transmission
US4381702A (en) * 1980-11-21 1983-05-03 Sundstrand Corporation Displacement control for a hydraulic pump or motor with failure override
US4483663A (en) * 1982-08-23 1984-11-20 Sundstrand Corporation Output speed droop compensating pump control
JP3672046B2 (ja) * 1995-04-12 2005-07-13 株式会社小松製作所 斜板ポンプ・モータの斜板制御装置
JPH09112411A (ja) * 1995-10-17 1997-05-02 Tokimec Inc 斜板式可変容量形液圧装置の容量検出装置
JP3568510B2 (ja) * 2002-02-01 2004-09-22 株式会社カワサキプレシジョンマシナリ 斜板形アキシャルピストンポンプの制御装置
JP4917938B2 (ja) * 2007-03-29 2012-04-18 カヤバ工業株式会社 馬力制御レギュレータ、馬力制御装置、及びピストンポンプ
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
CN201972916U (zh) * 2011-03-21 2011-09-14 江苏恒源液压有限公司 轴向柱塞泵用恒压控制阀
CN102168540B (zh) * 2011-04-01 2014-11-19 孙茂意 一种具有压力补偿装置的液压抽油机

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3375756A (en) * 1965-02-06 1968-04-02 Hydraulica Hollerich Luxembour Multiple- or variable-speed motors notably hydraulic motors with monitoring system and its applications
US3625322A (en) * 1968-10-30 1971-12-07 Toyo Kogyo Co Friction coupling controlled by vehicle speed and manifold vacuum
US3998111A (en) * 1975-03-24 1976-12-21 Caterpillar Tractor Co. Fluid circuit for shifting a transmission
US4648803A (en) * 1985-09-17 1987-03-10 Deere & Company Control circuit and control valve for radial piston pump
US5586869A (en) * 1991-12-13 1996-12-24 Putzmeister-Werk Maschinenfabrik Gmbh Initial pressure governor for a variable displacement pump
US5876185A (en) * 1996-11-20 1999-03-02 Caterpillar Inc. Load sensing pump control for a variable displacement pump
US20070051414A1 (en) * 2005-08-17 2007-03-08 Aisin Aw Co., Ltd. Spool valve device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108050029A (zh) * 2017-12-05 2018-05-18 宁波市奉化溪口威尔特制泵厂 一种节能高效斜盘式高压柱塞泵
CN107940057A (zh) * 2017-12-13 2018-04-20 宁波勋辉电器有限公司 一种高压清洗机柱塞泵调压阀
CN108302078A (zh) * 2018-03-19 2018-07-20 安徽博流体传动股份有限公司 远程压力控制阀
CN110816504A (zh) * 2019-11-05 2020-02-21 南京经纬达汽车科技有限公司 一种柱塞泵式分布式自主制动系统
CN114687979A (zh) * 2022-03-21 2022-07-01 江苏汇智高端工程机械创新中心有限公司 柱塞泵流量及功率控制系统
CN114837912A (zh) * 2022-05-17 2022-08-02 中轨科泰(河北)铁路设备有限公司 一种恒排量轮压油泵及包含该油泵的自动化设备

Also Published As

Publication number Publication date
JP6105759B2 (ja) 2017-03-29
EP2944818A1 (en) 2015-11-18
JP2016513771A (ja) 2016-05-16
EP2944818B1 (en) 2018-12-26
EP2944818A4 (en) 2016-12-28
WO2015074167A1 (zh) 2015-05-28

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AS Assignment

Owner name: JIANGSU HENGLI HYDRAULIC CO., LTD, CHINA

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:WANG, LIPING;LI, TONG;HUA, HAIMING;AND OTHERS;SIGNING DATES FROM 20150402 TO 20150407;REEL/FRAME:036263/0338

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION