EP3561301A4 - INTERNAL TRANSMISSION PUMP - Google Patents

INTERNAL TRANSMISSION PUMP Download PDF

Info

Publication number
EP3561301A4
EP3561301A4 EP17885425.3A EP17885425A EP3561301A4 EP 3561301 A4 EP3561301 A4 EP 3561301A4 EP 17885425 A EP17885425 A EP 17885425A EP 3561301 A4 EP3561301 A4 EP 3561301A4
Authority
EP
European Patent Office
Prior art keywords
internal gear
gear pump
pump
internal
gear
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.)
Withdrawn
Application number
EP17885425.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3561301A1 (en
Inventor
Kei Hattori
Hiroshi Akai
Tomokazu Sonozaki
Takayuki Ito
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.)
NTN Corp
Original Assignee
NTN Corp
NTN Toyo Bearing 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 JP2016249898A external-priority patent/JP6757243B2/ja
Application filed by NTN Corp, NTN Toyo Bearing Co Ltd filed Critical NTN Corp
Publication of EP3561301A1 publication Critical patent/EP3561301A1/en
Publication of EP3561301A4 publication Critical patent/EP3561301A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/102—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member the two members rotating simultaneously around their respective axes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/24—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
    • F04C14/26—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves using bypass channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/30—Casings or housings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
EP17885425.3A 2016-12-22 2017-12-21 INTERNAL TRANSMISSION PUMP Withdrawn EP3561301A4 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2016249898A JP6757243B2 (ja) 2016-12-22 2016-12-22 内接歯車ポンプ
JP2017051812 2017-03-16
JP2017230482 2017-11-30
PCT/JP2017/045940 WO2018117217A1 (ja) 2016-12-22 2017-12-21 内接歯車ポンプ

Publications (2)

Publication Number Publication Date
EP3561301A1 EP3561301A1 (en) 2019-10-30
EP3561301A4 true EP3561301A4 (en) 2020-05-13

Family

ID=62627389

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17885425.3A Withdrawn EP3561301A4 (en) 2016-12-22 2017-12-21 INTERNAL TRANSMISSION PUMP

Country Status (4)

Country Link
US (1) US20210131428A1 (zh)
EP (1) EP3561301A4 (zh)
CN (1) CN110114576A (zh)
WO (1) WO2018117217A1 (zh)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6123482U (ja) * 1984-07-17 1986-02-12 株式会社 山田製作所 エンジン潤滑用トロコイドポンプ
JPH01148081U (zh) * 1988-03-31 1989-10-13
DE102006059131A1 (de) * 2005-12-19 2007-06-21 Dana Corp., Toledo Flüssigkeitspumpenanordnung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4215160B2 (ja) 2003-10-01 2009-01-28 日立粉末冶金株式会社 内接歯車ポンプおよびその製造方法
JP5369068B2 (ja) * 2010-08-27 2013-12-18 日立オートモティブシステムズ株式会社 ポンプ装置
JP6084435B2 (ja) 2012-08-08 2017-02-22 Ntn株式会社 内接歯車ポンプ
JP6271992B2 (ja) * 2013-12-13 2018-01-31 Ntn株式会社 内接歯車ポンプ
JP6313605B2 (ja) * 2014-02-06 2018-04-18 Ntn株式会社 横型内接歯車ポンプ
JP6329411B2 (ja) 2014-03-25 2018-05-23 Ntn株式会社 内接歯車ポンプ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6123482U (ja) * 1984-07-17 1986-02-12 株式会社 山田製作所 エンジン潤滑用トロコイドポンプ
JPH01148081U (zh) * 1988-03-31 1989-10-13
DE102006059131A1 (de) * 2005-12-19 2007-06-21 Dana Corp., Toledo Flüssigkeitspumpenanordnung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018117217A1 *

Also Published As

Publication number Publication date
WO2018117217A1 (ja) 2018-06-28
CN110114576A (zh) 2019-08-09
US20210131428A1 (en) 2021-05-06
EP3561301A1 (en) 2019-10-30

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