EP3048303B8 - Gear fluid device - Google Patents

Gear fluid device Download PDF

Info

Publication number
EP3048303B8
EP3048303B8 EP14845988.6A EP14845988A EP3048303B8 EP 3048303 B8 EP3048303 B8 EP 3048303B8 EP 14845988 A EP14845988 A EP 14845988A EP 3048303 B8 EP3048303 B8 EP 3048303B8
Authority
EP
European Patent Office
Prior art keywords
fluid device
gear fluid
gear
fluid
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
Application number
EP14845988.6A
Other languages
German (de)
French (fr)
Other versions
EP3048303A4 (en
EP3048303A1 (en
EP3048303B1 (en
Inventor
Katsunari TSUZUKI
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.)
Daikin Industries Ltd
Original Assignee
Daikin Industries 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 Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of EP3048303A1 publication Critical patent/EP3048303A1/en
Publication of EP3048303A4 publication Critical patent/EP3048303A4/en
Application granted granted Critical
Publication of EP3048303B1 publication Critical patent/EP3048303B1/en
Publication of EP3048303B8 publication Critical patent/EP3048303B8/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F04C2/12—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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/10—Outer members for co-operation with rotary pistons; Casings
    • F01C21/104—Stators; Members defining the outer boundaries of the working chamber
    • F01C21/108—Stators; Members defining the outer boundaries of the working chamber with an axial surface, e.g. side plates
    • 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
    • F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
    • F04C13/005—Removing contaminants, deposits or scale from the pump; Cleaning
    • 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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
    • F04C15/0023—Axial sealings for working fluid
    • F04C15/0026—Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type machines or pumps, e.g. gear 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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0088—Lubrication
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation
    • F04C29/028—Means for improving or restricting lubricant flow
    • 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
    • F04C2240/50—Bearings
    • F04C2240/56—Bearing bushings or details thereof
    • 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
    • F04C2280/00—Arrangements for preventing or removing deposits or corrosion

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Valve Device For Special Equipments (AREA)
EP14845988.6A 2013-09-18 2014-08-12 Gear fluid device Active EP3048303B8 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2013193276 2013-09-18
JP2014147177A JP5783305B2 (en) 2013-09-18 2014-07-17 Gear fluid device
PCT/JP2014/071332 WO2015040985A1 (en) 2013-09-18 2014-08-12 Gear fluid device

Publications (4)

Publication Number Publication Date
EP3048303A1 EP3048303A1 (en) 2016-07-27
EP3048303A4 EP3048303A4 (en) 2017-04-19
EP3048303B1 EP3048303B1 (en) 2022-12-28
EP3048303B8 true EP3048303B8 (en) 2023-02-08

Family

ID=52688642

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14845988.6A Active EP3048303B8 (en) 2013-09-18 2014-08-12 Gear fluid device

Country Status (6)

Country Link
EP (1) EP3048303B8 (en)
JP (1) JP5783305B2 (en)
CN (1) CN105492774B (en)
ES (1) ES2938841T3 (en)
TW (1) TWI545265B (en)
WO (1) WO2015040985A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016213636A1 (en) * 2016-07-26 2018-02-01 Robert Bosch Gmbh External gear pump for a waste heat recovery system
DE102016225847A1 (en) * 2016-12-21 2018-06-21 Robert Bosch Gmbh Fluid pump for a waste heat recovery system
CN107228179A (en) * 2017-04-13 2017-10-03 天津市汇晶丰精密机械有限公司 A kind of deep-sea detecting motor
DE102017120537A1 (en) 2017-09-06 2019-03-07 Ebm-Papst Mulfingen Gmbh & Co. Kg Radial blower wheel with asymmetrical disc
CN108799101A (en) * 2018-06-15 2018-11-13 哈尔滨理工大学 A kind of novel floating buss of external gear rotary pump
CN110761998B (en) * 2019-11-12 2022-11-11 浙江麦得机器有限公司 Internal shrinkage type isolation compensation type gear pump based on hydraulic system

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2354992A (en) * 1941-11-11 1944-08-01 Westinghouse Electric & Mfg Co Gear pump
US2665641A (en) * 1949-06-18 1954-01-12 Borg Warner Pump, pressure loaded, with differential valve
US2718758A (en) * 1949-07-15 1955-09-27 Borg Warner Variable ratio hydrostatic transmission
US3303792A (en) * 1964-04-20 1967-02-14 Roper Ind Inc Gear pump with trapping reliefs
GB1232590A (en) * 1967-08-21 1971-05-19
JPS5842629Y2 (en) * 1978-08-31 1983-09-27 カヤバ工業株式会社 gear pump or motor
JP2527929B2 (en) * 1985-05-20 1996-08-28 カヤバ工業 株式会社 Low pressure lubricator for gear pump
JP2613051B2 (en) * 1987-05-07 1997-05-21 カヤバ工業株式会社 Gear pump
JP2743616B2 (en) * 1991-04-23 1998-04-22 株式会社島津製作所 Gear pump
JP3407331B2 (en) 1993-05-06 2003-05-19 株式会社島津製作所 Gear pump / motor
JP3433533B2 (en) 1994-10-31 2003-08-04 株式会社島津製作所 Gear pump or motor
JPH1182323A (en) * 1997-09-11 1999-03-26 Hitachi Ltd Fuel pump
CN101223363B (en) * 2002-06-03 2012-01-04 Kfi工程有限公司 Gear pump
WO2005079302A2 (en) * 2004-02-13 2005-09-01 Argo-Tech Corporation Low cost gear fuel pump
DE102009012916A1 (en) * 2009-03-12 2010-09-16 Robert Bosch Gmbh Hydraulic gear machine

Also Published As

Publication number Publication date
TWI545265B (en) 2016-08-11
JP2015083831A (en) 2015-04-30
EP3048303A4 (en) 2017-04-19
JP5783305B2 (en) 2015-09-24
EP3048303A1 (en) 2016-07-27
ES2938841T3 (en) 2023-04-17
WO2015040985A1 (en) 2015-03-26
EP3048303B1 (en) 2022-12-28
TW201529984A (en) 2015-08-01
CN105492774A (en) 2016-04-13
CN105492774B (en) 2017-05-03

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