EP1394415A2 - Compresseur à capacité variable pour véhicules utilitaires - Google Patents

Compresseur à capacité variable pour véhicules utilitaires Download PDF

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Publication number
EP1394415A2
EP1394415A2 EP03018780A EP03018780A EP1394415A2 EP 1394415 A2 EP1394415 A2 EP 1394415A2 EP 03018780 A EP03018780 A EP 03018780A EP 03018780 A EP03018780 A EP 03018780A EP 1394415 A2 EP1394415 A2 EP 1394415A2
Authority
EP
European Patent Office
Prior art keywords
unit
compressed air
control unit
gear
speed
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
EP03018780A
Other languages
German (de)
English (en)
Other versions
EP1394415B1 (fr
EP1394415A3 (fr
Inventor
Wolfgang Dörr
Eduard Gerum
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 EP1394415A2 publication Critical patent/EP1394415A2/fr
Publication of EP1394415A3 publication Critical patent/EP1394415A3/fr
Application granted granted Critical
Publication of EP1394415B1 publication Critical patent/EP1394415B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/021—Units comprising pumps and their driving means containing a coupling
    • F04D13/022—Units comprising pumps and their driving means containing a coupling a coupling allowing slip, e.g. torque converter
    • 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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/20—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by changing the driving speed
    • 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
    • F04B2201/00—Pump parameters
    • F04B2201/12—Parameters of driving or driven means
    • F04B2201/1201—Rotational speed of the axis
    • 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
    • F04B2205/00—Fluid parameters
    • F04B2205/05—Pressure after the pump outlet
    • 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
    • F04B2205/00—Fluid parameters
    • F04B2205/06—Pressure in a (hydraulic) circuit
    • F04B2205/063—Pressure in a (hydraulic) circuit in a reservoir linked to the pump outlet

Definitions

  • the present invention relates to an air demand-controlled compressor arrangement, especially for commercial vehicles, with a motor unit for generating a rotary movement, the one via an intermediate speed-converting gear unit Compressor unit for generating compressed air from the ambient air drives, wherein a control unit triggers the generation of compressed air when the compressed air requirement is determined.
  • Compressor arrangements of the type of interest here are predominantly in Commercial vehicles installed to provide compressed air for the on-board compressed air system perform.
  • the compressed air system on board a commercial vehicle is used in particular for Supply of the brake system, air suspension, trailer and auxiliary consumers required.
  • compressed air of up to 12.5 bar is generated by the compressor arrangement.
  • the compressor unit is usually driven by the internal combustion engine of the commercial vehicle generated rotary motion. In most applications is between the internal combustion engine as a motor unit and the compressor unit interposed a speed-converting gear unit.
  • the gear unit is designed as a spur gear with a fixed gear ratio, which the speed supplied by the motor unit on the input side is rapidly translated to the To drive the compressor unit.
  • a control is provided in this known compressor arrangement, which ensures that the compressor unit is only put into operation if there is a compressed air requirement in the compressed air system of the commercial vehicle.
  • the Compressed air requirement is in most cases over one with the system pressure in Connected pressure sensor determined. If the system pressure drops below one predetermined threshold pressure, the compressor unit is started to build up sufficient air pressure again. To save the built Additional pressure vessels are mostly used in the compressed air system.
  • the compressor unit is between a delivery phase and an idling phase switchable.
  • the delivery phase compressed air is generated from the ambient air and into the Compressed air system fed.
  • the compressor unit runs in the idling phase without load, so that a piston movement is carried out, but no compressed air in the compressed air system arrives. This is discharged to the outside. Because in the idle phase much less power compared to the funding phase due to the loss of load is absorbed by the compressor unit carries this type of air demand control to save energy.
  • Air demand control is also known in the general state of the art. which is an actuatable clutch between the motor unit and Compressor unit operated, which brings the compressor unit to a standstill when there is no compressed air requirement.
  • Compressor unit is quite high compared to continuous idling Wear caused by lack of lubrication when cold started.
  • Farther is also subject to the actuatable disconnect clutch required for this air demand control wear, so that in this alternative known solution overall a right there is a high level of maintenance.
  • Another disadvantage is that due to the complete power flow separation through the disconnect clutch no possibility of drive of various additional units - such as steering aid or hydraulic pump.
  • the invention includes the technical teaching that within the scope of a Compressor arrangement used gear unit in the manner of a gear is formed with variable speed, and that the control unit with the Gear unit interacts to match the speed of the gear unit Adjust compressed air requirements.
  • the advantage of the solution according to the invention is in particular that compared to the previously known measures to save energy the high proportion of energy consumption this is significantly reduced in the predominant idling operation of the compressor unit, that the speed of the compressor unit is reduced in this case.
  • the hereby Achieved adaptation of the compressor performance to the pressure requirement is based on one analog variation of the speed of the compressor, so that a direct dependence of the Speed of the compressor from the speed of the engine and one usually there is no need for an intermediate gear with a fixed gear ratio.
  • the inventive solution an influence of the control unit on the Compressor unit upstream transmission and not directly on the compressor unit to effect the energy saving. Because the air demand control here doesn't just have one Switching the compressor unit on and off works, the wear remains within the Compressor arrangement small.
  • various additional units - such as steering aid or hydraulic pump - permanent to drive at the minimum speed required for this.
  • variable-speed gear unit can be a switchable via the control unit Gearbox be formed. Tests have shown that this is a 2-stage Gearbox is completely sufficient.
  • the variable-speed gear unit can However, it can also be designed as an adjustable, continuously variable transmission, the Control also takes place via the control unit. A continuously variable transmission comes without elaborate automatic actuators and delivers that for Required application range of the gear ratio.
  • the control of the gear unit for varying the speed can, for example, via a pneumatic signal generated by the control unit. It is also next to it possible to control via an electrical signal. The latter should the electrical signal for controlling the gear unit advantageously from a parent vehicle control are generated, in which the control unit for the Gear unit is integrated.
  • the compressed air requirement is preferably determined by means of an actual pressure electrical pressure sensor determined, which in connection with the pressure sensor standing control unit exactly then a compressed air requirement to control the Gear unit signals when the ACTUAL pressure is below a predefined TARGET pressure decreases.
  • an electrical pressure sensor it is also conceivable to use one mechanical pressure sensor to be used, for example, via a spring-loaded diaphragm plunger arrangement or the like the actual pressure in Compressed air system detected.
  • FIG. 1 shows a schematic block diagram of a Air demand controlled compressor arrangement for a commercial vehicle.
  • the generated Rotational movement is fed to a downstream gear unit 2 and reduced.
  • a compressor unit 3 On the output side of the gear unit 2, a compressor unit 3 is arranged, which the Rotary movement to generate compressed air from the ambient air in a conventional manner Way uses.
  • the compressed air generated by the compressor unit 3 is on the output side a compressed air line 4 a - not shown here - compressed air system of Commercial vehicle provided.
  • the compressor arrangement also includes means for air demand control about influencing the speed of the variable-speed gear unit 2, which here is designed as an adjustable continuously variable transmission.
  • an electronic control unit 5 is provided to control the speed-variable transmission unit 2.
  • the electronic control unit 5 is part of the electronic vehicle control 6 of the commercial vehicle.
  • the compressed air requirement of the compressed air system of the commercial vehicle is determined by means of an electrical pressure sensor 7 determining the actual pressure and as Signal via an electrical signal line 8 on the input side of the control unit 5 Provided.
  • the control unit 5 compares the actual pressure with a stored, predefined TARGET pressure, which defines a pressure limit of the printing system, which must not be undercut. When this limit occurs, the Control unit 5 of the variable-speed gear unit 2 via an electrical signal line 9 a command to increase the gear ratio so that the output side Speed for driving the compressor unit 3 increases under load by the Pressure sensor 7 signaled to meet compressed air requirements.
  • variable-speed gear unit 2 When reaching an upper Pressure threshold value in the pressure system becomes the variable-speed gear unit 2 by means of a corresponding command signals that the gear ratio is has to change again in such a way that on the output side the variable speed Gear unit 2 has a low speed for driving the compressor unit 3 Is made available and the compressor unit 3 is idling.
  • the air demand control according to the invention requires only a minimum of maintenance of the mechanical components of the compressor assembly and is characterized by a Energy saving effect with high efficiency.
  • the invention is not restricted to the exemplary embodiment specified above but also includes modifications thereof which fall within the scope of the claims are included.
  • the invention is not limited to electronic pressure sensor technology limited. Pneumatic-mechanical detection of the system pressure is also conceivable and forwarding it to a suitable control unit.
  • the Variable-speed gear unit also pneumatically operated via a compressed air line be, with the pneumatic signal also the force for actuation the variable-speed gear unit is transferable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)
EP03018780.1A 2002-08-30 2003-08-28 Compresseur à capacité variable pour véhicules utilitaires Expired - Lifetime EP1394415B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10240162A DE10240162A1 (de) 2002-08-30 2002-08-30 Luftbedarfsgesteuerte Kompressoranordnung, insbesondere für Nutzfahrzeuge
DE10240162 2002-08-30

Publications (3)

Publication Number Publication Date
EP1394415A2 true EP1394415A2 (fr) 2004-03-03
EP1394415A3 EP1394415A3 (fr) 2009-07-01
EP1394415B1 EP1394415B1 (fr) 2013-04-17

Family

ID=31197540

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03018780.1A Expired - Lifetime EP1394415B1 (fr) 2002-08-30 2003-08-28 Compresseur à capacité variable pour véhicules utilitaires

Country Status (3)

Country Link
US (1) US7600988B2 (fr)
EP (1) EP1394415B1 (fr)
DE (1) DE10240162A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006106891A1 (fr) * 2005-04-01 2006-10-12 Toyota Jidosha Kabushiki Kaisha Appareil d'accumulation de pression
DE102008006860A1 (de) 2008-01-31 2009-08-06 Haldex Brake Products Gmbh Kraftfahrzeug mit einer von einem Kompressor versorgten Druckluftanlage und Verfahren zur Steuerung des Luftstroms in einer Druckluftanlage
DE102010038064A1 (de) 2010-10-08 2012-04-12 Haldex Brake Products Gmbh Lufttrocknungskartusche
WO2014095859A1 (fr) * 2012-12-20 2014-06-26 Siemens Aktiengesellschaft Dispositif de production de pression d'air pour véhicule ferroviaire
WO2013084141A3 (fr) * 2011-12-09 2014-07-31 Vhit S.P.A. Système de pompage avec débit de distribution réglable, pompe pour ledit système et procédé de régulation du débit de distribution de la pompe
DE102013113556A1 (de) * 2013-12-05 2015-06-11 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Kompressorsystem und Verfahren zum Betrieb des Kompressorsystems in Abhängigkeit der aktuellen Situation des Schienenfahrzeugs
DE102013113557A1 (de) * 2013-12-05 2015-06-11 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Kompressorsystem für ein Schienenfahrzeugs und Verfahren zum Betrieb des Kompressorsystems mit einem sicheren Notlaufbetrieb
DE102013113555A1 (de) * 2013-12-05 2015-06-11 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Kompressorsystem und Verfahren zum Betrieb des Kompressorsystems in Abhängigkeit vom Betriebszustand des Schienenfahrzeugs
EP2708429B1 (fr) 2012-09-12 2015-08-26 KNORR-BREMSE Systeme für Nutzfahrzeuge GmbH Système à air comprimé pour véhicule automobile
CN110809702A (zh) * 2017-05-10 2020-02-18 诺沃皮尼奥内技术股份有限公司 压缩机组布置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070188013A1 (en) * 2006-02-16 2007-08-16 Hoffman Fred W Hydraulically powered air charging arrangement
US9688260B2 (en) * 2008-11-28 2017-06-27 Volvo Truck Corporation Vehicle comprising an air compressor system and method for operating a vehicle air compressor system
US8942883B2 (en) * 2009-12-17 2015-01-27 GM Global Technology Operations LLC Sensor messaging systems and methods
SE540314C2 (sv) 2015-11-04 2018-06-12 Scania Cv Ab Förfarande och system för att koppla in en selektivt inkopplingsbar kompressor till en förbränningsmotor
US11852131B2 (en) * 2017-09-25 2023-12-26 Carrier Corporation Pressure safety shutoff
DE102020100296A1 (de) * 2020-01-09 2021-07-15 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Kompressorsystem und Verfahren zum Betreiben eines Kompressorsystems in Abhängigkeit des Druckluftbedarfs eines Betriebszustands des Fahrzeugs

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US3365906A (en) * 1966-02-01 1968-01-30 Ernest A. Zadig Automobile air conditioning system
DE2801812A1 (de) * 1978-01-17 1979-07-19 Daimler Benz Ag Antriebsvorrichtung fuer nebenaggregate von brennkraftmaschinen, insbesondere kraftfahrzeugantriebsmaschinen
US4655693A (en) * 1980-10-27 1987-04-07 Champion Spark Plug Company Compressor apparatus
DE3216815A1 (de) * 1982-05-05 1983-11-10 Knorr-Bremse GmbH, 8000 München Steuereinrichtung zur regenerierung eines lufttrockners fuer eine pneumatische anlage, insbesondere einer fahrzeugbremsanlage
EP0106612A1 (fr) * 1982-10-09 1984-04-25 Bendix Limited Compresseur
DE3814750A1 (de) * 1988-04-30 1989-02-02 Mtu Friedrichshafen Gmbh Einrichtung zum antrieb einer schmiermittelpumpe einer brennkraftmaschine
US5039281A (en) * 1989-12-26 1991-08-13 General Electric Company Method and apparatus for supplying compressed air to auxiliary systems of a vehicle
US5125806A (en) * 1990-06-18 1992-06-30 Sundstrand Corporation Integrated variable speed compressor drive system
SE9400575L (sv) * 1994-02-18 1995-08-19 Volvo Ab Anordning för uppladdning av luftsystem på lastfordon
DE10034735A1 (de) * 1999-08-24 2001-03-08 Luk Lamellen & Kupplungsbau Verfahren zum Steuern des Betriebs von und Antriebsvorrichtung für Nebenaggregate einer Brennkraftmaschine

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7779629B2 (en) 2005-04-01 2010-08-24 Toyota Jidosha Kabushiki Kaisha Pressure accumulating apparatus
WO2006106891A1 (fr) * 2005-04-01 2006-10-12 Toyota Jidosha Kabushiki Kaisha Appareil d'accumulation de pression
DE102008006860A1 (de) 2008-01-31 2009-08-06 Haldex Brake Products Gmbh Kraftfahrzeug mit einer von einem Kompressor versorgten Druckluftanlage und Verfahren zur Steuerung des Luftstroms in einer Druckluftanlage
DE102010038064A1 (de) 2010-10-08 2012-04-12 Haldex Brake Products Gmbh Lufttrocknungskartusche
EP2455613A2 (fr) 2010-10-08 2012-05-23 Haldex Brake Products GmbH Cartouche de séchage à air
DE102010038064B4 (de) * 2010-10-08 2013-02-21 Haldex Brake Products Gmbh Lufttrocknungskartusche
WO2013084141A3 (fr) * 2011-12-09 2014-07-31 Vhit S.P.A. Système de pompage avec débit de distribution réglable, pompe pour ledit système et procédé de régulation du débit de distribution de la pompe
EP2708429B1 (fr) 2012-09-12 2015-08-26 KNORR-BREMSE Systeme für Nutzfahrzeuge GmbH Système à air comprimé pour véhicule automobile
US10883482B2 (en) 2012-09-12 2021-01-05 Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh Compressed air system for a motor vehicle
WO2014095859A1 (fr) * 2012-12-20 2014-06-26 Siemens Aktiengesellschaft Dispositif de production de pression d'air pour véhicule ferroviaire
DE102013113556A1 (de) * 2013-12-05 2015-06-11 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Kompressorsystem und Verfahren zum Betrieb des Kompressorsystems in Abhängigkeit der aktuellen Situation des Schienenfahrzeugs
DE102013113555A1 (de) * 2013-12-05 2015-06-11 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Kompressorsystem und Verfahren zum Betrieb des Kompressorsystems in Abhängigkeit vom Betriebszustand des Schienenfahrzeugs
US10207695B2 (en) 2013-12-05 2019-02-19 Knorr-Bremse Systeme Fur Schienenfahrzeuge Gmbh Compressor system and method for operating the compressor system in dependence on the operating state of the rail vehicle
US10393104B2 (en) 2013-12-05 2019-08-27 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Compressor system and method for operating the compressor system in dependence on the current situation of the rail vehicle
DE102013113557A1 (de) * 2013-12-05 2015-06-11 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Kompressorsystem für ein Schienenfahrzeugs und Verfahren zum Betrieb des Kompressorsystems mit einem sicheren Notlaufbetrieb
CN110809702A (zh) * 2017-05-10 2020-02-18 诺沃皮尼奥内技术股份有限公司 压缩机组布置

Also Published As

Publication number Publication date
DE10240162A1 (de) 2004-03-18
US7600988B2 (en) 2009-10-13
US20040136840A1 (en) 2004-07-15
EP1394415B1 (fr) 2013-04-17
EP1394415A3 (fr) 2009-07-01

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