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EP2245305B1 - Véhicule utilitaire présentant un compresseur refroidi et procédé pour refroidir un compresseur - Google Patents

Véhicule utilitaire présentant un compresseur refroidi et procédé pour refroidir un compresseur Download PDF

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Publication number
EP2245305B1
EP2245305B1 EP09703550A EP09703550A EP2245305B1 EP 2245305 B1 EP2245305 B1 EP 2245305B1 EP 09703550 A EP09703550 A EP 09703550A EP 09703550 A EP09703550 A EP 09703550A EP 2245305 B1 EP2245305 B1 EP 2245305B1
Authority
EP
European Patent Office
Prior art keywords
compressor
cooling circuit
cooling
cooled
commercial vehicle
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
EP09703550A
Other languages
German (de)
English (en)
Other versions
EP2245305A1 (fr
Inventor
Jörg MELLAR
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 EP2245305A1 publication Critical patent/EP2245305A1/fr
Application granted granted Critical
Publication of EP2245305B1 publication Critical patent/EP2245305B1/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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/14—Controlling of coolant flow the coolant being liquid
    • F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
    • F01P7/165—Controlling of coolant flow the coolant being liquid by thermostatic control characterised by systems with two or more loops
    • 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
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/002—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for driven by internal combustion engines
    • 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
    • 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
    • F04B41/00—Pumping installations or systems specially adapted for elastic fluids
    • F04B41/06—Combinations of two or more pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2060/00—Cooling circuits using auxiliaries

Definitions

  • the air is deprived of the humidity in an air filter cartridge downstream of the compressor.
  • This air filter cartridge contains a desiccant that can extract moisture from the air only up to 80 ° C. Therefore, a lower maximum allowable temperature of 60 ° C is specified to allow effective drying.
  • the compressed air at the outlet opening of the piston chamber reaches temperatures of up to 320 ° C. At the outlet of the compressor itself, the temperature must not exceed 220 ° C. This results in the need to cool the air between the compressor and the air filter cartridge.
  • the compressor For cooling the compressor is therefore often resorted to an active cooling, wherein the cooling water circuit of the internal combustion engine is tapped to cool the compressor. This can be done very easily because the compressor is located close to the internal combustion engine.
  • the disadvantage here is that the cooling circuit of the internal combustion engine has a working temperature between 85 and 115 ° C, which is why in the region of the cylinder head only a cooling to 140 to 150 ° C can be achieved.
  • Modern commercial vehicles in particular those designed for future emission standards such as Euro 6, have an even higher working temperature of the cooling circuit in order to be able to achieve better exhaust gas values.
  • increasing the working temperature of the refrigeration cycle simultaneously increases the temperature attainable in cooling the compressed air.
  • the invention has for its object to provide a commercial vehicle with a cooled compressor and a method for operating a compressor, in particular, no long cooling line between the compressor and an air filter cartridge is necessary.
  • the generic method for operating a compressor is further developed by the fact that the compressor is cooled by a second cooling circuit, and that the hydraulic pump downstream of the compressor is also cooled by the second Brunlniklauf.
  • FIG. 1 shows a simple schematic representation of a commercial vehicle with a drive motor, wherein the drive motor also drives a compressor.
  • the illustrated utility vehicle 10 is driven by the drive motor 14 driven, which is cooled by a first cooling circuit 12 with a first heat exchanger 22.
  • a compressor 16 and a compressor 16 downstream hydraulic pump 20 is driven by the drive motor 14.
  • the compressor 16 is cooled by a second cooling circuit 18 with a second heat exchanger 26, wherein the second cooling circuit 18 further cools another unit 30.
  • the first heat exchanger 22 and the second heat exchanger 26 are blown by a first fan 24 and a second fan 28 to increase the cooling capacity.
  • FIG. 2 shows a simple schematic representation of a commercial vehicle according to the invention with a drive motor, wherein the drive motor also drives a compressor.
  • the hydraulic pump 20 is also cooled by the second cooling circuit 18, wherein the cooling of the hydraulic pump 20 is parallel to the cooling of the compressor 16.
  • a linear coupling of the hydraulic pump 20 in the second cooling circuit is also conceivable.
  • the further unit 30 may be, for example, a motor control for the drive motor 14, wherein the electronic components of such a motor control are naturally sensitive to heat and therefore require appropriate cooling.
  • a low operating temperature of the second cooling circuit 18 of, for example, 50 ° C
  • a high temperature gradient arises between the air compressed in the compressor 16 and the coolant circulating in the second cooling circuit 18.
  • This large temperature gradient allows efficient heat transfer from the heated compressed air on the cooler coolant.
  • the compressed air can be cooled more than when using the warmer first cooling circuit 12, the operating temperature between 85 and 115 ° C or even higher.
  • the better cooling of the compressor in particular the cylinder walls of the compressor, also reduces the ejection of oil and thereby also allows easier preparation of the compressed air.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Compressor (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Claims (4)

  1. Véhicule (10) utilitaire ayant un moteur (14) d'entraînement, refroidi par un premier circuit (12) de refroidissement, et un compresseur (16) pour la production d'air comprimé, le compresseur (16) pouvant être entraîné par le moteur (14) d'entraînement, et dans lequel il est prévu un deuxième circuit (18) de refroidissement, par lequel le compresseur (16) est refroidi, caractérisé en ce qu'il est prévu dans le véhicule (10) utilitaire une pompe (20) hydraulique, qui est montée après le compresseur (16), qui peut être entraînée également par le moteur (14) d'entraînement et qui peut être refroidie par le deuxième circuit (18) de refroidissement.
  2. Véhicule (10) utilitaire suivant la revendication 1, caractérisé en ce que la température de fonctionnement du deuxième circuit (18) de refroidissement est différente de la température de fonctionnement du premier circuit (12) de refroidissement.
  3. Procédé pour faire fonctionner un compresseur (16) d'alimentation en air comprimé d'un véhicule (10) utilitaire ayant un moteur (14) d'entraînement refroidi par un premier circuit (12) de refroidissement, le compresseur (16) étant entraîné par le moteur (14) d'entraînement et le compresseur (16) étant refroidi par un deuxième circuit (18) de refroidissement, caractérisé en ce qu'il est prévu dans le véhicule (10) utilitaire une pompe (20) hydraulique, qui est montée en aval du compresseur (16), qui est entraînée également par le moteur (14) d'entraînement et qui est refroidie par le deuxième circuit (18) de refroidissement.
  4. Procédé suivant la revendication 3, caractérisé en ce que l'on maintient le deuxième circuit (18) de refroidissement à une température de fonctionnement qui est différente de la température de fonctionnement du premier circuit (12) de refroidissement.
EP09703550A 2008-01-22 2009-01-13 Véhicule utilitaire présentant un compresseur refroidi et procédé pour refroidir un compresseur Not-in-force EP2245305B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008005436A DE102008005436A1 (de) 2008-01-22 2008-01-22 Nutzfahrzeug mit einem gekühlten Kompressor und Verfahren zum Kühlen eines Kompressors
PCT/EP2009/000143 WO2009092533A1 (fr) 2008-01-22 2009-01-13 Véhicule utilitaire présentant un compresseur refroidi et procédé pour refroidir un compresseur

Publications (2)

Publication Number Publication Date
EP2245305A1 EP2245305A1 (fr) 2010-11-03
EP2245305B1 true EP2245305B1 (fr) 2012-03-21

Family

ID=40521710

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09703550A Not-in-force EP2245305B1 (fr) 2008-01-22 2009-01-13 Véhicule utilitaire présentant un compresseur refroidi et procédé pour refroidir un compresseur

Country Status (4)

Country Link
EP (1) EP2245305B1 (fr)
AT (1) ATE550549T1 (fr)
DE (1) DE102008005436A1 (fr)
WO (1) WO2009092533A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019022900A1 (fr) * 2017-07-27 2019-01-31 Onboard Dynamics, Inc. Système de refroidissement à double zone pour compresseurs de moteur combinés

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2360316B1 (es) 2008-12-10 2012-05-08 Antonio Avila Chulia Procedimiento para la encriptación y autentificación de una señal de datos.
DE102016100963A1 (de) * 2016-01-21 2017-07-27 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Luftversorgungsanlage

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1145502B (de) * 1960-01-05 1963-03-14 Westinghouse Bremsen Gmbh Mit einer Zahnradpumpe gekuppelter Luftverdichter mit hin- und hergehendem Kolben fuer Fahrzeuge, insbesondere Kraftfahrzeuge
FR2288887A1 (fr) * 1974-10-21 1976-05-21 Roger Claude Procede et dispositif pour ameliorer le rendement d'un groupe motocompresseur
CH675147A5 (fr) * 1987-08-03 1990-08-31 Bbc Brown Boveri & Cie
US5056601A (en) * 1990-06-21 1991-10-15 Grimmer John E Air compressor cooling system
DE4116192C2 (de) * 1991-05-17 1998-04-09 Opel Adam Ag Servopumpe für eine hydraulisch wirkende Servoeinrichtung eines Kraftfahrzeuges
DE10139314A1 (de) * 2001-08-09 2003-03-06 Deere & Co Kühlsystem für Kraftfahrzeugantriebe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019022900A1 (fr) * 2017-07-27 2019-01-31 Onboard Dynamics, Inc. Système de refroidissement à double zone pour compresseurs de moteur combinés
US20220412251A1 (en) * 2017-07-27 2022-12-29 Onboard Dynamics Llc Dual zone cooling system for combined engine compressors

Also Published As

Publication number Publication date
WO2009092533A1 (fr) 2009-07-30
ATE550549T1 (de) 2012-04-15
EP2245305A1 (fr) 2010-11-03
DE102008005436A1 (de) 2009-08-06

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