CN116249833A - 液压泵 - Google Patents

液压泵 Download PDF

Info

Publication number
CN116249833A
CN116249833A CN202180064819.2A CN202180064819A CN116249833A CN 116249833 A CN116249833 A CN 116249833A CN 202180064819 A CN202180064819 A CN 202180064819A CN 116249833 A CN116249833 A CN 116249833A
Authority
CN
China
Prior art keywords
chamber
discharge
hydraulic pump
path
valve plate
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.)
Pending
Application number
CN202180064819.2A
Other languages
English (en)
Chinese (zh)
Inventor
吉田毅
三浦秀俊
平野靖典
牧野雄太
兵头优弥
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.)
Kawasaki Motors Ltd
Original Assignee
Kawasaki Jukogyo KK
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
Application filed by Kawasaki Jukogyo KK filed Critical Kawasaki Jukogyo KK
Publication of CN116249833A publication Critical patent/CN116249833A/zh
Pending legal-status Critical Current

Links

Images

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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/001—Noise damping
    • F04B53/004—Noise damping by mechanical resonators
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F04B1/2014—Details or component parts
    • F04B1/2042—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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/122—Details or component parts, e.g. valves, sealings or lubrication means
    • F04B1/124—Pistons
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F04B1/2014—Details or component parts
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F04B1/2014—Details or component parts
    • F04B1/2021—Details or component parts characterised by the contact area between cylinder barrel and valve plate
    • F04B1/2028—Bearings
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F04B1/2014—Details or component parts
    • F04B1/2064—Housings
    • 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
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • F04B11/0008—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators
    • 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
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • F04B11/0008—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators
    • F04B11/0016—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators with a fluid spring
    • 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
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • F04B11/0091—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using a special shape of fluid pass, e.g. throttles, ducts
    • 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
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0027—Pulsation and noise damping means
    • F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
    • F04B39/0066—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes using sidebranch resonators, e.g. Helmholtz resonators
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/001—Noise damping

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
CN202180064819.2A 2020-09-28 2021-09-28 液压泵 Pending CN116249833A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020162500 2020-09-28
JP2020-162500 2020-09-28
PCT/JP2021/035492 WO2022065501A1 (ja) 2020-09-28 2021-09-28 液圧ポンプ

Publications (1)

Publication Number Publication Date
CN116249833A true CN116249833A (zh) 2023-06-09

Family

ID=80845450

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180064819.2A Pending CN116249833A (zh) 2020-09-28 2021-09-28 液压泵

Country Status (6)

Country Link
US (1) US12152580B2 (https=)
EP (1) EP4219941A4 (https=)
JP (1) JP7583824B2 (https=)
KR (1) KR102787528B1 (https=)
CN (1) CN116249833A (https=)
WO (1) WO2022065501A1 (https=)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63202774U (https=) * 1987-06-18 1988-12-27
JPH0385381A (ja) * 1989-08-28 1991-04-10 Daikin Ind Ltd 可変容量形ピストン機械およびその運転方法
JPH10231778A (ja) * 1997-02-17 1998-09-02 Linde Ag 油圧式の容積形流体ユニットにおける脈動を低減するための装置
US6024541A (en) * 1997-04-06 2000-02-15 Nordip Ltd. Hydraulic axial piston pumps
JP2000097147A (ja) * 1998-07-21 2000-04-04 Kawasaki Heavy Ind Ltd アキシャルピストンポンプ
WO2006085547A1 (ja) * 2005-02-10 2006-08-17 Komatsu Ltd. 油圧ピストンポンプ
KR100872112B1 (ko) * 2007-07-02 2008-12-05 두산모트롤주식회사 유압 피스톤 펌프에서 체적설계를 이용한 압력맥동저감장치
JP2011236847A (ja) * 2010-05-12 2011-11-24 Mitsubishi Heavy Ind Ltd アキシャルピストンポンプ
KR20140064060A (ko) * 2012-11-19 2014-05-28 주식회사 두산 유압 펌프 모터
DE102016212190A1 (de) * 2015-11-06 2017-05-11 Mitsubishi Electric Corporation Kolbenpumpe
CN109863300A (zh) * 2016-06-06 2019-06-07 帕克-汉尼芬公司 具有入口折流件的液压泵

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004251264A (ja) * 2003-02-19 2004-09-09 Nagatomo Ryutai Kikai Kenkyusho:Kk ピストンポンプの圧力変動低減機構
KR200480164Y1 (ko) * 2014-02-06 2016-04-19 주식회사 두산 유압 피스톤 펌프

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63202774U (https=) * 1987-06-18 1988-12-27
JPH0385381A (ja) * 1989-08-28 1991-04-10 Daikin Ind Ltd 可変容量形ピストン機械およびその運転方法
JPH10231778A (ja) * 1997-02-17 1998-09-02 Linde Ag 油圧式の容積形流体ユニットにおける脈動を低減するための装置
US6024541A (en) * 1997-04-06 2000-02-15 Nordip Ltd. Hydraulic axial piston pumps
JP2000097147A (ja) * 1998-07-21 2000-04-04 Kawasaki Heavy Ind Ltd アキシャルピストンポンプ
US6186748B1 (en) * 1998-07-21 2001-02-13 Kawasaki Jukogyo Kabushiki Kaisha Axial piston pump
WO2006085547A1 (ja) * 2005-02-10 2006-08-17 Komatsu Ltd. 油圧ピストンポンプ
KR100872112B1 (ko) * 2007-07-02 2008-12-05 두산모트롤주식회사 유압 피스톤 펌프에서 체적설계를 이용한 압력맥동저감장치
JP2011236847A (ja) * 2010-05-12 2011-11-24 Mitsubishi Heavy Ind Ltd アキシャルピストンポンプ
KR20140064060A (ko) * 2012-11-19 2014-05-28 주식회사 두산 유압 펌프 모터
DE102016212190A1 (de) * 2015-11-06 2017-05-11 Mitsubishi Electric Corporation Kolbenpumpe
CN109863300A (zh) * 2016-06-06 2019-06-07 帕克-汉尼芬公司 具有入口折流件的液压泵

Also Published As

Publication number Publication date
US20230332594A1 (en) 2023-10-19
JP7583824B2 (ja) 2024-11-14
EP4219941A1 (en) 2023-08-02
US12152580B2 (en) 2024-11-26
WO2022065501A1 (ja) 2022-03-31
JPWO2022065501A1 (https=) 2022-03-31
KR102787528B1 (ko) 2025-03-28
EP4219941A4 (en) 2024-10-30
KR20230066634A (ko) 2023-05-16

Similar Documents

Publication Publication Date Title
JP3547900B2 (ja) アキシャルピストン型油圧ポンプ
US20090162230A1 (en) Vane Pump with Improved Internal Port Placement
JP3921522B2 (ja) 圧縮機
CN109477470B (zh) 斜盘式压缩机
CN116249833A (zh) 液压泵
CN101042134B (zh) 油泵
CN104912791A (zh) 可变容量型叶片泵
EP1915531B1 (en) Compressor
JP2001140772A (ja) 可変容量形ポンプ
JPH09280159A (ja) アキシャルピストン型油圧ポンプ
CN100557238C (zh) 制冷剂气体压缩机
CN114364874B (zh) 液压泵马达
JP6857717B2 (ja) ベーンポンプ
WO2004088139A1 (ja) 往復動型圧縮機
CN216077452U (zh) 液压泵
CN101680440A (zh) 封闭式压缩机用顶盖以及使用该顶盖的工作流体排出装置
CN118224083A (zh) 液压泵
CN115217734B (zh) 液压旋转机械
JP7274916B2 (ja) ポンプユニット及び建設機械
JP3855952B2 (ja) ピストン式圧縮機
JP7360907B2 (ja) ギヤポンプ
JP6747813B2 (ja) 圧縮機
JPH1113633A (ja) ポンプ装置
WO2023189942A1 (ja) 回転斜板式液圧ポンプ
JP2023022657A (ja) 両回転型油圧ポンプ

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination