EP1963674B1 - Compresseur a piston refroidi par eau - Google Patents

Compresseur a piston refroidi par eau Download PDF

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Publication number
EP1963674B1
EP1963674B1 EP06829571A EP06829571A EP1963674B1 EP 1963674 B1 EP1963674 B1 EP 1963674B1 EP 06829571 A EP06829571 A EP 06829571A EP 06829571 A EP06829571 A EP 06829571A EP 1963674 B1 EP1963674 B1 EP 1963674B1
Authority
EP
European Patent Office
Prior art keywords
cylinder head
water
cylinder
coolant
cooling
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
EP06829571A
Other languages
German (de)
English (en)
Other versions
EP1963674A1 (fr
Inventor
Michael Hartl
Gerhard Pröll
Dieter Weisse
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 Nutzfahrzeuge GmbH
Knorr Bremse Systeme fuer Schienenfahrzeuge GmbH
Original Assignee
Knorr Bremse Systeme fuer Nutzfahrzeuge GmbH
Knorr Bremse Systeme fuer Schienenfahrzeuge GmbH
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 Knorr Bremse Systeme fuer Nutzfahrzeuge GmbH, Knorr Bremse Systeme fuer Schienenfahrzeuge GmbH filed Critical Knorr Bremse Systeme fuer Nutzfahrzeuge GmbH
Publication of EP1963674A1 publication Critical patent/EP1963674A1/fr
Application granted granted Critical
Publication of EP1963674B1 publication Critical patent/EP1963674B1/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
    • 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
    • F04B39/064—Cooling by a cooling jacket in the pump casing
    • 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
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/08—Cooling; Heating; Preventing freezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B31/00—Compressor arrangements

Definitions

  • the present invention relates to a water-cooled piston compressor with at least one piston for compressing air, which is drivable with means for generating a linearly oscillating driving force, and which is axially movably housed in a cylindrical housing which is closed over a cylinder head, which is provided with means for water cooling ,
  • Piston compressors of the type of interest here are primarily used in automotive engineering. Piston compressors are used in particular as a compressed air generation unit in rail vehicle construction. The compressed air thus generated is used in rail vehicles for the operation of the brake system, the active suspension and the like. The compression of air within the piston-cylinder pairings of reciprocating compressors also generates heat which is to be dissipated to the outside. Otherwise, a piston compressor in continuous operation would heat up so much that its components - in particular seals - can take damage. If it is not possible to use an air-cooled reciprocating compressor due to structural constraints, a water-cooled reciprocating compressor of interest here is required. In a water-cooled piston compressor, the area of the piston-cylinder pairings is cooled by a coolant circuit known per se. Water-cooled reciprocating compressors of the type of interest here can be driven via a crank drive, a swash plate drive or the like.
  • a water-cooled reciprocating compressor with swashplate drive emerges.
  • Two piston-cylinder pairs are driven by a swashplate engine.
  • the swashplate engine converts an input rotary motion into an oscillating linear motion for the pistons within the cylinders such that air from the environment is compressible into compressed air via interaction with intake and exhaust valves.
  • a chamber is provided in the cylinder region in this known reciprocating compressor, which is flowed through by the coolant.
  • the chamber is formed by cylinder liners and a cylinder housing surrounding these cylinder liners.
  • the cylinder liners are each cup-shaped, so that the coolant acts in the region of the shell and end face of the cylinder.
  • the disadvantage here is that an end-face cooling can only be achieved by the inner cylinder liners are transformed accordingly.
  • seals are required both in the region of the end face and in the region of the lower lateral surface in order to seal the inner cylinder liners with respect to the cylinder housing surrounding them and the valve plate coming into contact with the cylinder liners on the front side. Leakage of any of these seals would result in the ingress of cooling water into the air area of the reciprocating compressor.
  • a water-cooled piston compressor with the features according to the preamble of claim 1 is known from DE 10 47 367 known.
  • the invention includes the technical teaching that the means for water cooling comprise a double-walled urgeformtes cylinder housing in which the cylinder head facing end face a plurality of cooling holes are arranged, via which the double-walled cylinder housing through which cooling water comes into contact with the region of the cylinder head.
  • At least one coolant connection is arranged as an inlet for the coolant.
  • the required as an outlet for the heated coolant coolant connection can be arranged either also in the cylinder housing or on the cylinder head.
  • the latter arrangement is appropriate when coolant in addition to the cooling of the cylinder housing also perceives a cooling valve plate and / or cylinder head.
  • the coolant flow around the cylinder housing on both sides, starting from the coolant connection forming the inlet, in order to achieve a uniform cooling effect.
  • the coolant to flow around the cylinder housing from one direction only.
  • Corresponding channels and barrier walls can be produced by casting in the double-walled cylinder housing. With this it is also possible, for example, to allow the coolant flow in the axial extension of the cylinder housing to flow in a meandering manner in the cylinder housing.
  • the advantage of the solution according to the invention is, in particular, that it is possible to produce the end surface side cooling openings without great manufacturing effort, because these are anyway to proceed at a suitable location when casting the double-walled cylinder housing. Because the cooling holes remove the sand cores, which produce the double wall. These casting-related openings are now arranged according to the invention at locations where they can be used after the manufacturing process of the cylinder housing for cooling purposes. It is only necessary for this to place the casting-related openings on the end face of the cylinder housing in size or distance from each other, that it sets the further use of the desired cooling effect.
  • the valve plate comes to bear against the end face of the cylinder, to which in turn the cylinder head is arranged.
  • the valve plate is sandwiched between the cylinder housing and the cylinder head.
  • the valve plate comes into direct contact with the coolant. Since the valve plate is a highly temperature-stressed component because of the inlet and outlet valves introduced therein, the solution according to the invention enables direct cooling via the adjacent cooling openings of the cylinder housing.
  • the valve plate to have at least one inlet, corresponding to one of the cooling openings of the cylinder housing, for passing the cooling water into the region of the cylinder head.
  • the valve plate may have a secondary outlet for passing cooling water into the cylinder head.
  • the cylinder head arranged adjacent to the valve plate may be traversed by coolant channels for conducting the cooling water.
  • a guide of the coolant channels around the region of the compressed air outlet of the reciprocating compressor whereby the compressed air heated by the compression process is cooled directly before leaving the cylinder head.
  • the cylinder housing more than four substantially ring segmentformige cooling holes, wherein between at least four symmetrically arranged threaded holes for mounting the cylinder head are arranged.
  • a water-cooled piston compressor consists essentially of a cylinder housing 1, which is screwed onto a crankcase 2 containing a crank mechanism. At the opposite side of the crankcase 2 of the cylinder housing 1, a cylinder head 3 is arranged.
  • the cylinder head 3 includes a valve plate 4 which is sandwiched between the cylinder housing 1 and the cylinder head 3.
  • a piston 5 here indicated by dashed lines, for compressing air.
  • the cylinder housing 1 is a double-walled urgeformtes component, here consisting of an aluminum alloy.
  • the cylinder housing 1 has a plurality of cooling openings 7 on the end face 6 facing the cylinder head 3 (not shown here).
  • the cooling holes 7 are designed ring segment-shaped. Via the cooling openings 7, the coolant flowing through the double-walled cylinder housing 1 comes into contact with the area of the cylinder head 3.
  • a plurality of threaded bores 8 arranged symmetrically to one another for attachment of the cylinder head 3 are arranged on the end face 6 of the cylinder housing 1.
  • the coolant enters the intermediate region of the double-walled cylinder housing 1 through a coolant connection 9 designed as an inlet.
  • FIG. 4 is the compressed air flow of the reciprocating compressor via - not shown here - intake valves and exhaust valves generated, which are known per se.
  • the intake and exhaust valves are disposed in an intake and exhaust valve region 13 of the valve plate 4.
  • Coolant channels 14 extend around this inlet and outlet area 13 of the valve plate 4.
  • the coolant channels 14 are connected to an inlet 15 of the valve plate 4 on the inlet side.
  • the inlet 15 of the valve plate 4 corresponds to one of the cooling openings 7 of the cylinder housing 1 described above
  • the valve plate 4 also has an outlet 16, via which the coolant in the cylinder head 3 is passed on.
  • the coolant passages 17 of the cylinder head 3 are arranged in particular around the region of the compressed air outlet 12 in order to cool the compressed air heated by the compression process before it leaves the cylinder head 3. Further, located on the cylinder head 3, a further coolant port 18, which serves as an outlet for the coolant in this embodiment.
  • the water-cooled piston compressor can also be designed as a multi-cylinder piston compressor.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Compressor (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Claims (6)

  1. Compresseur à piston qui est refroidi par de l'eau et qui a au moins un piston (5) pour comprimer de l'air, qui est entraîné par des moyens de production d'une force d'entraînement oscillante linéairement et qui est logé en pouvant être déplacé axialement dans un carter (1) cylindrique fermé du côté frontal par une tête (3) de cylindre est muni de moyen de refroidissement par de l'eau, lesquels comprennent un carter (1) de cylindre à double paroi, à la surface (6) frontale tournée vers la tête (3) de cylindre duquel sont ménagées plusieurs ouvertures (7) de refroidissement, par lesquelles du fluide de refroidissement passant dans le carter (1) de cylindre à double paroi vient en contact avec la partie de la tête (3) du cylindre, qui est constituée d'un plateau (4) de vanne, qui vient en contact avec la surface (6) frontale du carter (1) de cylindre et sur lequel est disposé la tête (3) de cylindre, au moins une admission (15) correspondant à l'une des ouvertures (7) de refroidissement du carter (1) de cylindre est destiné à acheminer l'eau de refroidissement dans la zone de la tête (3) de cylindre, et caractérisé en ce qu'il est prévu, à l'extérieur sur le carter (1) de cylindre, un raccord (9) pour du fluide de refroidissement comme admission pour le fluide de refroidissement, un autre raccord (18) pour du fluide de refroidissement, en tant que sortie pour du fluide de refroidissement étant prévu sur la tête (3) de cylindre ou également sur le carter (1) de cylindre, de sorte que le fluide de refroidissement, en partant du raccord (9) pour le fluide de refroidissement formant l'admission, passe des deux côtés du carter (1) de cylindre, afin d'obtenir un effet de refroidissement uniforme.
  2. Compresseur à piston refroidi par de l'eau, suivant la revendication 1,
    caractérisé en ce que le plateau (4) de vanne comporte des canaux (14) pour le fluide de refroidissement, qui sont en liaison avec l'admission (15) et qui sont destinés au refroidissement d'une zone (13) de vanne d'entrée et de sortie.
  3. Compresseur à piston refroidi par de l'eau, suivant la revendication 1,
    caractérisé en ce que le plateau (4) de vanne comporte au moins une sortie (16), pour acheminer de l'eau de refroidissement dans la tête (3) de cylindre.
  4. Compresseur à piston refroidi par de l'eau, suivant la revendication 1,
    caractérisé en ce que la tête (3) de cylindre est traversée par des canaux (17) pour du fluide de refroidissement, pour conduire l'eau de refroidissement à travers la tête (3) de cylindre.
  5. Compresseur à piston refroidi par de l'eau, suivant la revendication 4,
    caractérisé en ce que les canaux (17) pour du fluide de refroidissement sont disposés aussi autour de la zone de la sortie (12) de l'air comprimé, pour refroidir l'air comprimé chauffée par l'opération de compression, avant de quitter la tête (3) de cylindre.
  6. Compresseur à piston refroidi par de l'eau, suivant l'une des revendications précédentes,
    caractérisé en ce que le carter (1) de cylindre est équipé de plus de quatre ouvertures (7) de refroidissement, sensiblement en forme de segment annulaire, au moins quatre taraudages (8) disposés symétriquement les uns par rapport aux autres étant interposés entre elles, pour la fixation de la tête (3) de cylindre.
EP06829571A 2005-12-13 2006-12-13 Compresseur a piston refroidi par eau Not-in-force EP1963674B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005059491A DE102005059491A1 (de) 2005-12-13 2005-12-13 Wassergekühlter Kolbenverdichter
PCT/EP2006/011996 WO2007068463A1 (fr) 2005-12-13 2006-12-13 Compresseur a piston refroidi par eau

Publications (2)

Publication Number Publication Date
EP1963674A1 EP1963674A1 (fr) 2008-09-03
EP1963674B1 true EP1963674B1 (fr) 2010-09-01

Family

ID=37882340

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06829571A Not-in-force EP1963674B1 (fr) 2005-12-13 2006-12-13 Compresseur a piston refroidi par eau

Country Status (9)

Country Link
US (1) US8117960B2 (fr)
EP (1) EP1963674B1 (fr)
JP (1) JP5345398B2 (fr)
KR (1) KR101290016B1 (fr)
CN (1) CN101331319B (fr)
AT (1) ATE479842T1 (fr)
DE (2) DE102005059491A1 (fr)
RU (1) RU2429378C2 (fr)
WO (1) WO2007068463A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017116870B3 (de) * 2017-07-21 2019-01-24 Voith Patent Gmbh Hubkolbenmaschine mit Kühleinrichtung

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DE102008005431A1 (de) 2008-01-22 2009-07-23 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Kompressor mit Hydraulikpumpe und Verfahren zur Herstellung eines Kompressors mit Hydraulikpumpe
IT1398189B1 (it) * 2010-02-16 2013-02-14 Cozzolino Scambiatore di calore a superficie per macchine volumetriche a fluido comprimibile.
KR100987101B1 (ko) * 2010-04-08 2010-10-11 박종민 냉각 구조를 갖는 펌프
KR101248437B1 (ko) * 2010-05-27 2013-03-28 이준형 용적식 압축기
RU2525467C2 (ru) * 2012-09-13 2014-08-20 Общество с ограниченной ответственностью "Краснодарский Компрессорный Завод" Цилиндр компрессора (варианты)
DE102013002864A1 (de) 2013-02-20 2014-08-21 BORSlG Compressor Parts GmbH Flüssigkeitsgekühlter, doppeltwirkender ein- und/oder mehrstufiger Kolbenverdichter
US10480499B2 (en) 2016-02-01 2019-11-19 Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh Crankcase assembly for a reciprocating machine
CN106555729B (zh) * 2016-10-27 2018-04-10 上海交通大学 一种具有循环冷却油道的低热辐射摆动马达
DE102017106147B4 (de) * 2017-03-22 2021-10-28 Voith Patent Gmbh Hubkolbenmaschine mit Kühleinrichtung
US10578089B2 (en) 2017-03-30 2020-03-03 Eaton-Max, Inc. Air compressor noise dampener
US11466675B2 (en) 2017-03-30 2022-10-11 Eaton-Max, Inc. Air compressor and methods of operation
US20190186478A1 (en) * 2017-12-19 2019-06-20 Nuovo Pignone Tecnologie - S.R.L. Reciprocating compressor and manufacturing method
CN109185099B (zh) * 2018-11-09 2024-04-19 广西玉柴机器股份有限公司 全水冷空气压缩机
JP2020133431A (ja) * 2019-02-14 2020-08-31 アネスト岩田株式会社 往復動式流体機械
EP4112933A1 (fr) * 2021-06-30 2023-01-04 KNORR-BREMSE Systeme für Nutzfahrzeuge GmbH Refroidissement intégré d'un compresseur

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017116870B3 (de) * 2017-07-21 2019-01-24 Voith Patent Gmbh Hubkolbenmaschine mit Kühleinrichtung

Also Published As

Publication number Publication date
KR20080069278A (ko) 2008-07-25
JP2009519399A (ja) 2009-05-14
ATE479842T1 (de) 2010-09-15
RU2008128464A (ru) 2010-01-20
CN101331319A (zh) 2008-12-24
CN101331319B (zh) 2010-10-20
KR101290016B1 (ko) 2013-07-30
DE502006007798D1 (de) 2010-10-14
WO2007068463A1 (fr) 2007-06-21
DE102005059491A1 (de) 2007-06-14
US20090071324A1 (en) 2009-03-19
JP5345398B2 (ja) 2013-11-20
US8117960B2 (en) 2012-02-21
RU2429378C2 (ru) 2011-09-20
WO2007068463A8 (fr) 2007-09-07
EP1963674A1 (fr) 2008-09-03

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