EP1922485B1 - Compresseur a piston fonctionnant a sec, a plusieurs cylindres, qui presente un flux d'air de refroidissement - Google Patents

Compresseur a piston fonctionnant a sec, a plusieurs cylindres, qui presente un flux d'air de refroidissement Download PDF

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Publication number
EP1922485B1
EP1922485B1 EP06791653.6A EP06791653A EP1922485B1 EP 1922485 B1 EP1922485 B1 EP 1922485B1 EP 06791653 A EP06791653 A EP 06791653A EP 1922485 B1 EP1922485 B1 EP 1922485B1
Authority
EP
European Patent Office
Prior art keywords
piston compressor
cylinder
cooling air
crankcase
dry
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.)
Not-in-force
Application number
EP06791653.6A
Other languages
German (de)
English (en)
Other versions
EP1922485A1 (fr
Inventor
Michael Hartl
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.)
Knorr Bremse Systeme fuer Schienenfahrzeuge GmbH
Original Assignee
Knorr Bremse Systeme fuer Schienenfahrzeuge GmbH
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Publication date
Application filed by Knorr Bremse Systeme fuer Schienenfahrzeuge GmbH filed Critical Knorr Bremse Systeme fuer Schienenfahrzeuge GmbH
Publication of EP1922485A1 publication Critical patent/EP1922485A1/fr
Application granted granted Critical
Publication of EP1922485B1 publication Critical patent/EP1922485B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F04B25/00—Multi-stage pumps
    • 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
    • F04B39/06—Cooling; Heating; Prevention of freezing
    • F04B39/066—Cooling by ventilation

Definitions

  • the present invention relates to a multi-cylinder dry-running piston compressor for generating compressed air, which has a crankcase for rotatably supporting a crankshaft, on which a number of pistons with each associated cylinder corresponding number of connecting rod are mounted to rotate in opposite directions, wherein means for generating the inside the crankcase passing cooling air flow due to a triggered by the movement cycle of the piston pumping effect are provided.
  • the reciprocating compressor has means for generating a cooling air flow passing through the interior of the crankcase 1.
  • the cooling air flow is generated by the movement cycle of the pistons 5a and 5b.
  • each piston 5a and 5b operates in a separate crankcase-side chamber 10a and 10b.
  • the chambers 10a and 10b are formed by a sealed intermediate bearing 11 inserted into the crankcase 1 as a separating means.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)

Claims (12)

  1. Compresseur à piston fonctionnant à sec, multicylindre, pour produire de l'air comprimé, qui comporte un carter (1) pour un montage rotatif d'un arbre (2) de carter, auquel sont montées rotatives mutuellement en sens opposé un nombre de tiges (3a, 3b) de connexion dont le nombre correspond au nombre de pistons (5a, 5b) comportant des cylindres (6a, 6b) associés, dans lequel des moyens pour produire un courant d'air frais qui passe à l'intérieur du carter (1), le courant d'air froid étant le résultat d'un effet de pompe dû au mouvement cyclique des pistons (5a, 5b), étant prévus, caractérisé en ce que pour supporter l'effet de pompe chaque piston (5a, 5b) travaille dans une chambre (10a, 10b) qui lui est propre, ces chambres étant produites par des moyens de séparation disposés dans le carter (1) et entourant l'arbre (2) de carter, de sorte qu'il est produit des conditions de pression différentes dans les chambres (10a, 10b).
  2. Compresseur à piston fonctionnant à sec, multicylindre, suivant la revendication 1, caractérisé en ce qu'il est prévu en tant que moyen de séparation un palier (11) intermédiaire étanche inséré dans le carter (1), le palier étant pour l'arbre (2).
  3. Compresseur à piston fonctionnant à sec, multicylindre, suivant la revendication 1, caractérisé en ce qu'il est prévu en tant que moyen de séparation un élément d'étanchéité radiale dynamique inséré dans le carter (1).
  4. Compresseur à piston fonctionnant à sec, multicylindre, suivant la revendication 1, caractérisé en ce qu'au moins une soupape d'entrée (12a, 12b) formée à la manière d'un clapet antiretour est disposée à la tête (8) de cylindre pour de l'air de refroidissement dans la région d'un tuyau (7a, 7b) d'admission.
  5. Compresseur à piston fonctionnant à sec, multicylindre, suivant la revendication 1, caractérisé en ce qu'au moins une soupape (12a, 12b) d'entrée formée à la manière d'un clapet antiretour pour l'air de refroidissement est intégrée dans une plaque (9) de soupape comportant des soupapes de compression, la plaque étant voisine de la tête (8) de cylindre.
  6. Compresseur à piston fonctionnant à sec, multicylindre, suivant la revendication 1, caractérisé en ce qu'au moins une soupape (15a, 15b) de sortie formée à la manière d'un clapet antiretour pour l'air de refroidissement est disposée sur un côté inférieur du carter (1).
  7. Compresseur à piston fonctionnant à sec, multicylindre, suivant l'une des revendications 4 à 6, caractérisé en ce que la soupape (12a, 12b) d'entrée et les soupapes (15a, 15b) de sortie sont réalisées sous forme de soupapes lamellaires.
  8. Compresseur à piston fonctionnant à sec, multicylindre, suivant la revendication 4 ou 5, caractérisé en ce que l'air de refroidissement aspiré par la soupape (12a; 12b) d'entrée est récupéré dans une chambre (113a; 13b) de la plaque (9) de soupape et ensuite est envoyé par l'intermédiaire de canaux (14a; 14b) qui en partent dans le carter (1).
  9. Compresseur à piston fonctionnant à sec, multicylindre, suivant la revendication 8, caractérisé en ce les canaux (14a; 14b) sont réalisés sous la forme de lignes tubulaires se trouvant à l'extérieur pour éviter un chauffage de l'air de refroidissement, alors qu'il passe dans la région du cylindre.
  10. Compresseur à piston fonctionnant à sec, multicylindre, suivant l'une des revendications précédentes, caractérisé en ce qu'un nombre pair de pistons (5a, 5b) qui se déplacent en opposition les uns aux autres dans les cylindres (6a, 6b) associés sont prévus, les pistons (5a, 5b) ayant un diamètre sensiblement de même grandeur.
  11. Compresseur à piston fonctionnant à sec, multicylindre, suivant l'une des revendications précédentes, caractérisé en ce que le compresseur est un compresseur multi-étage comportant au moins un étage basse pression et au moins un étage haute pression qui vient à la suite.
  12. Compresseur à piston fonctionnant à sec, multicylindre, suivant l'une des revendications précédentes, caractérisé en ce que le compresseur à piston est réalisé sous la forme d'une unité de rebord pour être entraînée par une machine diesel d'un véhicule utilitaire.
EP06791653.6A 2005-08-26 2006-08-25 Compresseur a piston fonctionnant a sec, a plusieurs cylindres, qui presente un flux d'air de refroidissement Not-in-force EP1922485B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005040495A DE102005040495B3 (de) 2005-08-26 2005-08-26 Mehrzylindriger trockenlaufender Kolbenverdichter mit einem Kühlluftstrom
PCT/EP2006/008340 WO2007022988A1 (fr) 2005-08-26 2006-08-25 Compresseur a piston fonctionnant a sec, a plusieurs cylindres, qui presente un flux d'air de refroidissement

Publications (2)

Publication Number Publication Date
EP1922485A1 EP1922485A1 (fr) 2008-05-21
EP1922485B1 true EP1922485B1 (fr) 2016-10-12

Family

ID=36776464

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06791653.6A Not-in-force EP1922485B1 (fr) 2005-08-26 2006-08-25 Compresseur a piston fonctionnant a sec, a plusieurs cylindres, qui presente un flux d'air de refroidissement

Country Status (6)

Country Link
US (1) US8317488B2 (fr)
EP (1) EP1922485B1 (fr)
JP (1) JP5027130B2 (fr)
CN (1) CN101253327B (fr)
DE (1) DE102005040495B3 (fr)
WO (1) WO2007022988A1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006012174A1 (de) * 2006-03-16 2007-09-20 Pari GmbH Spezialisten für effektive Inhalation Inhalationstherapiegerätekompressor
DE102007042318B4 (de) * 2007-09-06 2017-11-30 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Kompakter trockenlaufender Kolbenverdichter
IT1399335B1 (it) * 2009-09-02 2013-04-16 Dorin Mario Spa Compressore per impianti di refrigerazione e/o condizionamento.
DE102010024346A1 (de) * 2010-06-18 2011-12-22 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Luftgekühlter Kolbenkompressor mit spezieller Kühlluftführung
US9856866B2 (en) * 2011-01-28 2018-01-02 Wabtec Holding Corp. Oil-free air compressor for rail vehicles
DE102012020894A1 (de) * 2011-10-25 2013-04-25 Rotorcomp Verdichter Gmbh Triebwerkslageranordnung, insbesondere für Trockenlauf-Verdichter
US20170168192A1 (en) * 2015-12-14 2017-06-15 Baker Hughes Incorporated Scintillation materials optimization in spectrometric detectors for downhole nuclear logging with pulsed neutron generator based tools
CN106150971A (zh) * 2016-07-22 2016-11-23 瑞立集团瑞安汽车零部件有限公司 一种两级压缩车用活塞式无油空压机
CN106988988A (zh) * 2017-05-20 2017-07-28 上乘精密科技（苏州）有限公司 一种曲轴空气泵
CN107575359A (zh) * 2017-09-19 2018-01-12 瑞立集团瑞安汽车零部件有限公司 车用卧式活塞式两级空气压缩机
JP7058523B2 (ja) * 2018-03-07 2022-04-22 アネスト岩田株式会社 往復動式圧縮機
US11333140B2 (en) 2019-06-11 2022-05-17 Caterpillar Inc. Cooling block for multi-cylinder air compressor
CN110242534B (zh) * 2019-07-08 2024-01-26 耐力股份有限公司 一种新能源有油二级活塞式空压机
CN110219793B (zh) * 2019-07-15 2024-01-26 耐力股份有限公司 一种二级压缩的无油活塞式压缩机
CN112392695B (zh) * 2020-11-30 2025-01-21 固耐重工（苏州）有限公司 一种不锈钢双列缸体焊接结构
CN114738231A (zh) * 2022-05-13 2022-07-12 耐力股份有限公司 一种新能源全无油二级活塞式空压机
EP4350144B1 (fr) * 2022-10-06 2025-09-17 Volvo Construction Equipment AB Pompe à piston hydraulique et procédé pour influencer le son de la pompe à piston

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE306576C (fr)
FR1108479A (fr) 1954-07-09 1956-01-13 Perfectionnements apportés à des compresseurs à transvasement
FR1463769A (fr) 1963-05-29 1966-07-22 Compresseur à piston et ses procédé et dispositif de refroidissement et ses dispositifs de montage
DE1403963A1 (de) 1963-07-02 1968-11-21 Kurt Braetsch Kompressor mit wenigstens drei Stufen
US3338509A (en) * 1965-07-07 1967-08-29 Borg Warner Compressors
JPH03111883U (fr) * 1990-02-27 1991-11-15
CN2179916Y (zh) * 1993-11-18 1994-10-19 宝山钢铁(集团)公司 活塞式压缩机
US6183211B1 (en) * 1999-02-09 2001-02-06 Devilbiss Air Power Company Two stage oil free air compressor
JP2000320458A (ja) * 1999-05-12 2000-11-21 Kofu Meidensha:Kk 圧縮機構
IT1311171B1 (it) * 1999-12-21 2002-03-04 Automac Sas Di Bigi Ing Mauriz Motore termico alternativo dotato di equilibratura e precompressione
US6599103B2 (en) * 2000-12-14 2003-07-29 Gardner Denver Locomotive air compressor with outboard support bearing
DE10138070C2 (de) * 2001-08-03 2003-05-22 Knorr Bremse Systeme Kolbenkompressor mit einem Kühlluftstrom
US6945201B2 (en) * 2004-01-15 2005-09-20 Daimlerchrysler Corporation Positive crankcase ventilation in an engine having a cyclically varying crankcase volume
US20090155106A1 (en) * 2007-12-12 2009-06-18 Caterpillar Inc. Extended compressor operation for auxiliary air supply

Also Published As

Publication number Publication date
EP1922485A1 (fr) 2008-05-21
CN101253327A (zh) 2008-08-27
WO2007022988A1 (fr) 2007-03-01
US8317488B2 (en) 2012-11-27
HK1123337A1 (zh) 2009-06-12
CN101253327B (zh) 2010-07-28
DE102005040495B3 (de) 2006-08-24
US20090016908A1 (en) 2009-01-15
JP2009506249A (ja) 2009-02-12
JP5027130B2 (ja) 2012-09-19

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