JP2017223197A - 液圧装置 - Google Patents

液圧装置 Download PDF

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Publication number
JP2017223197A
JP2017223197A JP2016120773A JP2016120773A JP2017223197A JP 2017223197 A JP2017223197 A JP 2017223197A JP 2016120773 A JP2016120773 A JP 2016120773A JP 2016120773 A JP2016120773 A JP 2016120773A JP 2017223197 A JP2017223197 A JP 2017223197A
Authority
JP
Japan
Prior art keywords
groove
hydraulic
gears
pressure side
channel
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Withdrawn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
JP2016120773A
Other languages
English (en)
Japanese (ja)
Inventor
啓 吉田
Hiroshi Yoshida
啓 吉田
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.)
Sumitomo Precision Products Co Ltd
Original Assignee
Sumitomo Precision Products 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
Application filed by Sumitomo Precision Products Co Ltd filed Critical Sumitomo Precision Products Co Ltd
Priority to JP2016120773A priority Critical patent/JP2017223197A/ja
Priority to CN201710452432.XA priority patent/CN107524595A/zh
Publication of JP2017223197A publication Critical patent/JP2017223197A/ja
Withdrawn legal-status Critical Current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
    • 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
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/18—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with similar tooth forms
    • 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
    • F04C2/082—Details specially related to intermeshing engagement type machines or pumps
    • F04C2/084—Toothed wheels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
JP2016120773A 2016-06-17 2016-06-17 液圧装置 Withdrawn JP2017223197A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2016120773A JP2017223197A (ja) 2016-06-17 2016-06-17 液圧装置
CN201710452432.XA CN107524595A (zh) 2016-06-17 2017-06-15 液压装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2016120773A JP2017223197A (ja) 2016-06-17 2016-06-17 液圧装置

Publications (1)

Publication Number Publication Date
JP2017223197A true JP2017223197A (ja) 2017-12-21

Family

ID=60685958

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016120773A Withdrawn JP2017223197A (ja) 2016-06-17 2016-06-17 液圧装置

Country Status (2)

Country Link
JP (1) JP2017223197A (zh)
CN (1) CN107524595A (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020026757A (ja) * 2018-08-10 2020-02-20 株式会社島津製作所 歯車ポンプまたはモータ
WO2021044570A1 (ja) * 2019-09-05 2021-03-11 株式会社島津製作所 はすば歯車ポンプまたははすば歯車モータ
US11378076B1 (en) 2021-01-28 2022-07-05 Shimadzu Corporation Gear pump or motor

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU195413U1 (ru) * 2019-09-18 2020-01-28 Сергей Иванович Никитин Шестеренный насос

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2227119A1 (de) * 1972-06-03 1973-12-13 Daimler Benz Ag Zahnrad-oelpumpe, insbesondere fuer kraftfahrzeug-brennkraftmaschinen
US5108275A (en) * 1990-12-17 1992-04-28 Sager William F Rotary pump having helical gear teeth with a small angle of wrap
JPH0791378A (ja) * 1993-09-28 1995-04-04 Mitsubishi Rayon Co Ltd ギヤ式ポンプ
DE69511870T2 (de) * 1994-07-07 2000-05-04 David Brown Hydraulics Ltd., Poole Schrägverzahnte zahnradpumpe oder-motor
JP3451741B2 (ja) * 1994-09-27 2003-09-29 株式会社島津製作所 歯車ポンプ又はモータ
JP2989796B2 (ja) * 1998-03-24 1999-12-13 株式会社山田製作所 歯車ポンプ
JP5361074B2 (ja) * 2009-11-20 2013-12-04 ジヤトコ株式会社 ヘリカルギヤポンプ
DE102012217115A1 (de) * 2012-09-24 2014-03-27 Robert Bosch Gmbh Zahnradmaschine mit von der Kreisform abweichendem Niederdruckanschluss
EP2837827B1 (en) * 2013-06-27 2016-06-01 Sumitomo Precision Products Co., Ltd. Hydraulic device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020026757A (ja) * 2018-08-10 2020-02-20 株式会社島津製作所 歯車ポンプまたはモータ
JP7014093B2 (ja) 2018-08-10 2022-02-01 株式会社島津製作所 歯車ポンプまたはモータ
WO2021044570A1 (ja) * 2019-09-05 2021-03-11 株式会社島津製作所 はすば歯車ポンプまたははすば歯車モータ
US11378076B1 (en) 2021-01-28 2022-07-05 Shimadzu Corporation Gear pump or motor

Also Published As

Publication number Publication date
CN107524595A (zh) 2017-12-29

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