JP7367782B2 - 歯車ポンプ又は歯車モータ - Google Patents

歯車ポンプ又は歯車モータ Download PDF

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Publication number
JP7367782B2
JP7367782B2 JP2021574362A JP2021574362A JP7367782B2 JP 7367782 B2 JP7367782 B2 JP 7367782B2 JP 2021574362 A JP2021574362 A JP 2021574362A JP 2021574362 A JP2021574362 A JP 2021574362A JP 7367782 B2 JP7367782 B2 JP 7367782B2
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JP
Japan
Prior art keywords
gear
space
side communication
liquid
communication path
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.)
Active
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JP2021574362A
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English (en)
Japanese (ja)
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JPWO2021152767A1 (https=
JPWO2021152767A5 (https=
Inventor
顕一 金谷
拓弥 古株
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.)
Shimadzu Corp
Original Assignee
Shimadzu Corp
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.)
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Publication date
Application filed by Shimadzu Corp filed Critical Shimadzu Corp
Publication of JPWO2021152767A1 publication Critical patent/JPWO2021152767A1/ja
Publication of JPWO2021152767A5 publication Critical patent/JPWO2021152767A5/ja
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Publication of JP7367782B2 publication Critical patent/JP7367782B2/ja
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    • 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
    • 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
    • F04C2/086—Carter
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Hydraulic Motors (AREA)
JP2021574362A 2020-01-30 2020-01-30 歯車ポンプ又は歯車モータ Active JP7367782B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/003407 WO2021152767A1 (ja) 2020-01-30 2020-01-30 歯車ポンプ又は歯車モータ

Publications (3)

Publication Number Publication Date
JPWO2021152767A1 JPWO2021152767A1 (https=) 2021-08-05
JPWO2021152767A5 JPWO2021152767A5 (https=) 2022-05-31
JP7367782B2 true JP7367782B2 (ja) 2023-10-24

Family

ID=77078804

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021574362A Active JP7367782B2 (ja) 2020-01-30 2020-01-30 歯車ポンプ又は歯車モータ

Country Status (5)

Country Link
US (1) US12044238B2 (https=)
EP (1) EP4098876B1 (https=)
JP (1) JP7367782B2 (https=)
CN (1) CN114729634A (https=)
WO (1) WO2021152767A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7572904B2 (ja) * 2021-04-26 2024-10-24 川崎重工業株式会社 パラレルポンプ
JP7457261B1 (ja) 2022-09-28 2024-03-28 ダイキン工業株式会社 歯車ポンプまたは歯車モータ

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003013868A (ja) 2001-06-28 2003-01-15 Komatsu Ltd 外接形歯車ポンプ
JP2011043106A (ja) 2009-08-21 2011-03-03 Hitachi Automotive Systems Ltd 外接ギヤポンプ及びそれを備えたブレーキ装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5162102U (https=) 1974-11-12 1976-05-17
US4087216A (en) * 1976-10-05 1978-05-02 Permco, Inc. Flow diverter pressure plate
JP3761645B2 (ja) * 1996-11-07 2006-03-29 カヤバ工業株式会社 ギヤポンプの吐出量変更方法及びギヤポンプ
US6210138B1 (en) * 1999-07-08 2001-04-03 Tuthill Pump Group, A Subsidiary Of Tuthill Corporation Rotary pump apparatus and method
JP4432627B2 (ja) * 2004-06-03 2010-03-17 株式会社ジェイテクト ギヤポンプ
CN103527470B (zh) * 2013-10-15 2015-07-01 成都大学 一种具有耳形卸荷槽的外啮合齿轮泵
JP6724579B2 (ja) 2016-06-13 2020-07-15 ダイキン工業株式会社 歯車ポンプ又は歯車モータ
US10634135B2 (en) * 2017-06-23 2020-04-28 Hamilton Sunstrand Corporation Reduction of cavitation in gear pumps
CN209164072U (zh) 2018-10-09 2019-07-26 宿迁学院 一种外啮合齿轮泵用里端楔牙形卸荷槽
CN109209861B (zh) 2018-10-09 2023-05-23 宿迁学院 一种用于齿轮泵高速困油卸荷的组合结构

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003013868A (ja) 2001-06-28 2003-01-15 Komatsu Ltd 外接形歯車ポンプ
JP2011043106A (ja) 2009-08-21 2011-03-03 Hitachi Automotive Systems Ltd 外接ギヤポンプ及びそれを備えたブレーキ装置

Also Published As

Publication number Publication date
JPWO2021152767A1 (https=) 2021-08-05
CN114729634A (zh) 2022-07-08
EP4098876A1 (en) 2022-12-07
EP4098876B1 (en) 2026-04-08
EP4098876A4 (en) 2023-11-01
WO2021152767A1 (ja) 2021-08-05
US20230032135A1 (en) 2023-02-02
US12044238B2 (en) 2024-07-23

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