EP2703646A3 - Air compressing device - Google Patents

Air compressing device Download PDF

Info

Publication number
EP2703646A3
EP2703646A3 EP13181791.8A EP13181791A EP2703646A3 EP 2703646 A3 EP2703646 A3 EP 2703646A3 EP 13181791 A EP13181791 A EP 13181791A EP 2703646 A3 EP2703646 A3 EP 2703646A3
Authority
EP
European Patent Office
Prior art keywords
compressed air
oil
changeover valve
delivery unit
dehumidifier
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.)
Granted
Application number
EP13181791.8A
Other languages
German (de)
French (fr)
Other versions
EP2703646A2 (en
EP2703646B1 (en
Inventor
Tatsuo Miyauchi
Masaru Kuromitsu
Satoshi Ikeda
Satoshi NAKAHARA
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.)
Nabtesco Corp
Original Assignee
Nabtesco 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.)
Filing date
Publication date
Application filed by Nabtesco Corp filed Critical Nabtesco Corp
Publication of EP2703646A2 publication Critical patent/EP2703646A2/en
Publication of EP2703646A3 publication Critical patent/EP2703646A3/en
Application granted granted Critical
Publication of EP2703646B1 publication Critical patent/EP2703646B1/en
Not-in-force 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
    • 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
    • F04B39/02—Lubrication
    • 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
    • F04B39/02—Lubrication
    • F04B39/0207—Lubrication with lubrication control systems
    • 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
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/123—Fluid connections
    • 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
    • F04B39/16—Filtration; Moisture separation
    • 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
    • F04B41/00—Pumping installations or systems specially adapted for elastic fluids
    • F04B41/02—Pumping installations or systems specially adapted for elastic fluids having reservoirs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Drying Of Gases (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

Provided is an air compressing device that can suppress degradation of oil, realize reliable operation even under humid environment, and further prevent efficiency when generating compressed air from being reduced. An oil recovery unit 17 is configured to have guided thereto compressed air that was compressed along with oil in a compressor 14, separate the oil from the compressed air, and recover the oil in an oil tank 17a. A dehumidifier 20 subjects the compressed air from which oil has been separated to dehumidification. A compressed air delivery unit 22 delivers the dehumidified compressed air to an air reservoir 23 for accumulating compressed air. A changeover valve 21 is provided on a path that communicates the dehumidifier 20 with the compressed air delivery unit 22. A communication path 35 communicates the changeover valve 21 and the suction side of the compressor 14. The changeover valve 21 is switched so that all of the dehumidified compressed air is supplied to either the compressed air delivery unit 22 or the communication path 35.
EP13181791.8A 2012-08-30 2013-08-27 Air compressing device Not-in-force EP2703646B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012189389A JP6009278B2 (en) 2012-08-30 2012-08-30 Air compressor

Publications (3)

Publication Number Publication Date
EP2703646A2 EP2703646A2 (en) 2014-03-05
EP2703646A3 true EP2703646A3 (en) 2018-04-18
EP2703646B1 EP2703646B1 (en) 2019-05-15

Family

ID=49036455

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13181791.8A Not-in-force EP2703646B1 (en) 2012-08-30 2013-08-27 Air compressing device

Country Status (4)

Country Link
EP (1) EP2703646B1 (en)
JP (1) JP6009278B2 (en)
CN (1) CN103671039B (en)
TW (1) TWI575199B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6124674B2 (en) * 2013-05-09 2017-05-10 三菱電機株式会社 Air compressor for vehicle
TWI550245B (en) * 2014-08-15 2016-09-21 淯升企業有限公司 Oil-killer
JP6385902B2 (en) * 2015-08-14 2018-09-05 株式会社神戸製鋼所 Oil-cooled screw compressor and control method thereof
CN114718850A (en) * 2017-04-13 2022-07-08 纳博特斯克汽车零部件有限公司 Air supply circuit
KR102314983B1 (en) * 2017-05-15 2021-10-21 대우조선해양 주식회사 Air circulation system for energy
JP6761402B2 (en) * 2017-11-09 2020-09-23 株式会社神戸製鋼所 Air compressor and air compressor control method
DE102019104760A1 (en) * 2019-02-25 2020-08-27 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Air supply system and method for controlling and / or monitoring an air supply system
JP2021139343A (en) * 2020-03-06 2021-09-16 ナブテスコ株式会社 Railroad vehicle air compression device and method for controlling railroad vehicle air compression device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08193578A (en) * 1995-01-17 1996-07-30 Mitsubishi Heavy Ind Ltd Gas compression device
JP2006226245A (en) * 2005-02-21 2006-08-31 Mitsubishi Heavy Ind Ltd Air compressor system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08219024A (en) * 1995-02-14 1996-08-27 Iwata Air Compressor Mfg Co Ltd Drain eliminating method for oil-cooled compressor and device therefor
JP2002332979A (en) * 2001-05-10 2002-11-22 Kobe Steel Ltd Package type lubrication compressor
JP2005220750A (en) * 2004-02-03 2005-08-18 Kobe Steel Ltd Air compressor
EP1800073B1 (en) * 2004-10-06 2009-05-27 ixetic MAC GmbH Air-conditioning compressor or air conditioner
JP2009236000A (en) * 2008-03-27 2009-10-15 Hitachi Ltd Air compressor
TWI429823B (en) * 2010-08-05 2014-03-11 Nabtesco Corp Air Compressor for Railway Vehicles

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08193578A (en) * 1995-01-17 1996-07-30 Mitsubishi Heavy Ind Ltd Gas compression device
JP2006226245A (en) * 2005-02-21 2006-08-31 Mitsubishi Heavy Ind Ltd Air compressor system

Also Published As

Publication number Publication date
JP2014047652A (en) 2014-03-17
TW201411067A (en) 2014-03-16
EP2703646A2 (en) 2014-03-05
CN103671039B (en) 2016-09-28
TWI575199B (en) 2017-03-21
CN103671039A (en) 2014-03-26
JP6009278B2 (en) 2016-10-19
EP2703646B1 (en) 2019-05-15

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