WO2017186231A1 - Groupe motopropulseur, en particulier pour un véhicule à moteur - Google Patents

Groupe motopropulseur, en particulier pour un véhicule à moteur Download PDF

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Publication number
WO2017186231A1
WO2017186231A1 PCT/DE2017/100345 DE2017100345W WO2017186231A1 WO 2017186231 A1 WO2017186231 A1 WO 2017186231A1 DE 2017100345 W DE2017100345 W DE 2017100345W WO 2017186231 A1 WO2017186231 A1 WO 2017186231A1
Authority
WO
WIPO (PCT)
Prior art keywords
wheel
drive unit
gear
output shaft
compressor
Prior art date
Application number
PCT/DE2017/100345
Other languages
German (de)
English (en)
Inventor
Peter Maier
Original Assignee
Peter Maier
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 Peter Maier filed Critical Peter Maier
Publication of WO2017186231A1 publication Critical patent/WO2017186231A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B33/00—Engines characterised by provision of pumps for charging or scavenging
    • F02B33/32—Engines with pumps other than of reciprocating-piston type
    • F02B33/34—Engines with pumps other than of reciprocating-piston type with rotary pumps
    • F02B33/40—Engines with pumps other than of reciprocating-piston type with rotary pumps of non-positive-displacement type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
    • F02B39/02—Drives of pumps; Varying pump drive gear ratio
    • F02B39/04—Mechanical drives; Variable-gear-ratio drives

Definitions

  • the present invention relates to a drive unit according to the preamble of claim 1.
  • Such a drive unit in particular for a motor vehicle, such as a passenger car, is known for example from DE 102015008292 A1.
  • the drive unit disclosed therein comprises an internal combustion engine which has a plurality of combustion chambers, in particular in the form of cylinders.
  • the drive unit further comprises at least one exhaust gas turbocharger, which has a turbine which can be driven by exhaust gas of the internal combustion engine and a compressor drivable by the turbine for compressing air to be supplied to the combustion chambers.
  • the exhaust gas turbocharger is used in this case for charging the internal combustion engine, wherein by charging the supply of the combustion chambers is to be understood with compressed air.
  • the drive unit further comprises at least one of a driven shaft of the internal combustion engine drivable mechanical supercharger for compressing the combustion chambers to be supplied air.
  • the mechanical supercharger is usually also referred to as a compressor and is a mechanically driven supercharger, since it can not be driven by the exhaust gas of the internal combustion engine but by the output shaft, which is designed, for example, as a crankshaft, that is to say is mechanically drivable.
  • a clutch which is not defined in greater detail in DE 102015008292 A1 is used, which can be opened and closed. If the clutch is closed, the mechanical supercharger is coupled to the output shaft and can be driven by the output shaft, so that air is compressed by means of the mechanical supercharger. If the clutch is open, the mechanical loader is decoupled from the output shaft, so that the mechanical loader is not driven by the output shaft.
  • Object of the present invention is to improve a drive unit according to the preamble of claim 1.
  • the drive unit according to the invention in particular for a motor vehicle, with an internal combustion engine having a plurality of combustion chambers and with a mechanical supercharger drivable by an output shaft of the internal combustion engine for compressing air to be supplied to the combustion chambers is characterized in that the mechanical supercharger comprises a mounted compressor wheel, having the teeth distributed over the circumference, which are directly engageable with the teeth of a gear which is non-rotatably connected to the output shaft of the internal combustion engine, engageable.
  • the compressor wheel is preferably located in an intake tract of the drive unit, through which air flows and is supplied to the cylinders.
  • the driven compressor wheel compresses the air flowing through the intake tract.
  • at least one cooling device for example in the form of an intercooler, in the intake tract. This is preferably arranged in front of the compressor wheel for certain applications, so that the air supplied to the mechanical supercharger enters the compressor wheel in a cooled manner and is compressed by the compressor. heated again.
  • the cooling device is arranged behind the compressor wheel, so that the air heated by the mechanical supercharger is cooled.
  • a cooling device is arranged in front of and a cooling device behind the compressor wheel.
  • at least one air filter in front of the at least one cooling device and / or the compressor wheel in order to free the air from undesired impurities before passing through the cooling device and / or the compressor wheel.
  • gearwheel and compressor wheel Due to the direct operative connection of gearwheel and compressor wheel, a particularly compact design of the drive unit can be achieved.
  • an inventive compound of gear and compressor wheel has a longer life or durability.
  • An intermediate timing belt would be more vulnerable and would cause higher maintenance costs.
  • the toothed wheel and the compressor wheel preferably have a helical toothing, that is to say an arrangement of the tooth not parallel to the axis of rotation of the wheels.
  • the helical gearing in particular a better smoothness and a lower noise is achieved.
  • a plurality of mechanical superchargers are provided, which are in operative connection with the or at least one further gear of the output shaft.
  • Several compressor wheels according to the invention or operatively connected to the gearwheel or at least one further gearwheel of the output shaft increase the supply of compressed air to the combustion chambers. It may be expedient if the compressor wheels are arranged over the circumference of a single gear of the output shaft, so that a special compact design of the drive unit can be realized.
  • the drive unit has no exhaust gas turbocharger.
  • an exhaust gas turbocharger according to the invention, particular be pulled when several mechanical compressors provide the necessary pressure to fill the combustion chambers with air.
  • the number of teeth and / or the diameter of the compressor wheel and the gear are selected such that the speed of the compressor ensures optimal air compression and supply to the combustion chambers. This may vary depending on the drive unit.
  • At least one auxiliary unit for example a radiator fan, a compressor for an air conditioning system, an alternator or a balance shaft, which has a mounted wheel comprising circumferentially distributed teeth which are directly connected to the teeth of the Gear of the output shaft can be brought into engagement.
  • a compact design of the drive unit can be further improved.
  • especially vulnerable and thus maintenance-intensive timing belt for driving at least one accessory can be advantageously dispensed with.
  • the operative connection between the gear of the output shaft and the wheel of at least one auxiliary unit via a helical toothing of the gear and the wheel is realized.
  • the wheel is an impeller of a turbomachine, for example a fan, blower or compressor. It is a rotating part that supplies work to the flowing fluid.
  • the impeller comprises a ring of blades, vanes, rotor blades or the like, which are mounted axially for rotation or are held on a shaft via a suitable attachment.
  • the blades, wings, rotor blades or the like are externally connected by a ring having the said teeth over the circumference.
  • the wheel is a gear that is non-rotatably connected to a shaft, in particular the drive shaft of an accessory or the balance shaft.
  • the gear of the output shaft has an external and / or internal toothing.
  • the gear driven by the output shaft can be used optimally for driving at least one mechanical compressor and / or ancillary unit. This makes it possible in particular to realize a compact design of the drive unit.
  • the at least one gearwheel provided on the output shaft forms a multifunctional wheel for driving a compressor wheel and for driving at least one further compressor wheel and / or mounted wheel.
  • the term multifunction is to be understood to mean that the arranged on the output shaft gear or arranged on the output shaft gears perform several functions. It is driven not only a mechanical compressor, but at least a second mechanical compressor and / or an auxiliary unit. The more mechanical compressors and the more auxiliary units are driven by the aforementioned gears in accordance with the invention, the more multifunctional is the gear or the unit of multiple gears.
  • the multi-functional wheel has at least two gears, preferably with different numbers of teeth and / or different diameters.
  • the invention also relates to a corresponding multi-function, in particular for a drive unit according to the invention, comprising at least one, preferably more than one rotatably connected to the output shaft of an internal combustion engine gear for driving a compressor wheel and for driving at least one further compressor wheel and / or stored wheel. It may be expedient if a plurality of gear wheels to be arranged on the output shaft are integrally connected to one another for the purpose of driving at least one mechanical compressor and / or at least one ancillary unit, preferably in one piece.
  • FIG. 1 is a schematic representation of a cross section through a multi-functional wheel, comprising a toothed wheel, wherein the multi-functional wheel is rotatably mounted on the rotating output shaft of an internal combustion engine of a drive unit according to the invention
  • FIG. 2 shows a schematic illustration of a cross section through a multi-functional wheel, comprising two gear wheels, the multi-functional wheel being arranged in a rotationally fixed manner on the rotating output shaft of an internal combustion engine of a drive unit according to the invention
  • FIG. 3 shows a schematic representation of a cross section through a multi-functional wheel, comprising three toothed wheels, wherein the multi-functional wheel is arranged rotatably on the rotating output shaft of an internal combustion engine of a drive unit according to the invention
  • FIG. 4 shows a schematic representation of a cross section through a multi-functional wheel, comprising three toothed wheels, wherein one of the toothed wheels has an additional internal toothing and the Multifunction is non-rotatably mounted on the rotating output shaft of an internal combustion engine of a drive unit according to the invention.
  • the drive unit is used for driving the motor vehicle and includes an internal combustion engine, not shown here, which is designed as a reciprocating internal combustion engine and having a plurality of combustion chambers in the form of cylinders.
  • the internal combustion engine has an output shaft 10 shown in FIGS. 1 to 4, which is designed as a crankshaft.
  • the output shaft 10 is rotatable about a rotational axis relative to the crankcase on a crankcase of the internal combustion engine not visible in FIGS. 1 to 4. Via the output shaft 10, the internal combustion engine 12 provides torques for driving the motor vehicle.
  • the drive unit further comprises an intake tract, which can be traversed by air.
  • the intake tract By means of the intake tract, the air is supplied to the cylinders.
  • the mechanical supercharger By driving a mechanical supercharger, the air flowing through the intake tract can be compressed. The driving of the mechanical supercharger takes place mechanically through the crankshaft 10.
  • the mechanical loader comprises a stored, in Fig. 1 to 4 indicated by a dashed line compressor wheel 12, which has circumferentially distributed teeth not shown here, directly with the teeth of a gear 14, not shown here, the rotationally fixed to the rotating output shaft 10 of the internal combustion engine is connected, can be brought into engagement.
  • a plurality of, in the present case, two mechanical loaders are provided, each of which is indicated by a dashed line compressor wheels 12, 20 with a gear 14 of the multi-function wheel 36 are in operative connection.
  • the number of teeth and / or the diameter of the compressor wheel 12, 20 and the gear 14 are selected such that the speed of the compressor wheel 12, 20 ensures optimum air compression and supply to the combustion chambers.
  • FIG. 1 shows a gearwheel 14 arranged on the output shaft, which forms a multifunctional wheel 36, since it drives two compressor wheels 12, 20. In the present case, therefore, the gear 14 exercises two functions and is thus multifunctional.
  • ancillary units may be provided, each having at least one stored, in this case indicated by a dashed line wheel (22, 24, 26, 28, 30) distributed over the circumference of teeth, directly with the Teeth of a gear 14, 16, 18 of the multi-function wheel 36 are engageable.
  • the multi-function wheel 36 - as shown in FIGS. 2 and 3 - each have a further gear 16, 18.
  • FIG. 3 Also shown in FIG. 3 are the wheel 24 of a coolant pump and the wheel 26 of a balance shaft which cooperate with a third gear 16 of the multi-function wheel 36, respectively.
  • FIG. 4 shows a further embodiment of the multi-functional wheel 36, in which the first gearwheel 14 has an internal toothing 34 in addition to the external toothing 32. The latter is in engagement with the teeth of the wheel 30 of a cooling fan provided as a further ancillary unit. It can be clearly seen in FIG. 4 that the gears 14, 16, 18 provided on the output shaft 10 are assembled as a unit for forming the multi-function wheel 36 or, preferably, made in one piece.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supercharger (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

L'invention concerne un groupe motopropulseur.
PCT/DE2017/100345 2016-04-28 2017-04-26 Groupe motopropulseur, en particulier pour un véhicule à moteur WO2017186231A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016107885.9A DE102016107885B4 (de) 2016-04-28 2016-04-28 Antriebsaggregat, insbesondere für ein Kraftfahrzeug
DE102016107885.9 2016-04-28

Publications (1)

Publication Number Publication Date
WO2017186231A1 true WO2017186231A1 (fr) 2017-11-02

Family

ID=58738874

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2017/100345 WO2017186231A1 (fr) 2016-04-28 2017-04-26 Groupe motopropulseur, en particulier pour un véhicule à moteur

Country Status (2)

Country Link
DE (1) DE102016107885B4 (fr)
WO (1) WO2017186231A1 (fr)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2354227A (en) * 1941-09-23 1944-07-25 Martin Motors Inc Internal-combustion engine
DE845285C (de) * 1949-08-19 1952-07-31 Gertrud Schnuerle Zweitakt-Brennkraftmaschine in V-Form mit Spuelgeblaese
GB770409A (en) * 1954-04-20 1957-03-20 Armstrong Siddeley Motors Ltd Gas generator
US4815428A (en) * 1987-12-31 1989-03-28 Bunk Paul H Rotary valve internal combustion engine
DE4030817A1 (de) * 1990-09-28 1992-04-02 Lien Sheuan Ind Co Ltd Kreisellader
DE10061970A1 (de) * 2000-12-13 2002-06-20 Peter Morath Turboverdichter
US20050176313A1 (en) * 2004-01-30 2005-08-11 Clark Tim T. Integrated transmission bell housing
DE102009025693A1 (de) * 2009-06-20 2010-01-28 Daimler Ag Rädertrieb für eine Verbrennungskraftmaschine
US20130139515A1 (en) * 2011-05-27 2013-06-06 Daniel K. Schlab Integral gas turbine, flywheel, generator, and method for hybrid operation thereof
US20140283797A1 (en) * 2011-09-30 2014-09-25 Eaton Corporation Supercharger assembly with two rotor sets
DE102015008292A1 (de) 2015-06-26 2016-01-21 Daimler Ag Antriebsaggregat, unter anderem für ein Kraftfahrzeug

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4321896A (en) * 1979-12-18 1982-03-30 Cummins Engine Company Gear plate assembly for mounting and positioning an accessory drive train
DE19934606A1 (de) * 1999-07-23 2001-01-25 Steyr Nutzfahrzeuge Ag Steyr Vorrichtung und Verfahren zur Leistungssteigerung einer mittels Abgasturbolader aufgeladenen Brennkraftmaschine eines Fahrzeuges

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2354227A (en) * 1941-09-23 1944-07-25 Martin Motors Inc Internal-combustion engine
DE845285C (de) * 1949-08-19 1952-07-31 Gertrud Schnuerle Zweitakt-Brennkraftmaschine in V-Form mit Spuelgeblaese
GB770409A (en) * 1954-04-20 1957-03-20 Armstrong Siddeley Motors Ltd Gas generator
US4815428A (en) * 1987-12-31 1989-03-28 Bunk Paul H Rotary valve internal combustion engine
DE4030817A1 (de) * 1990-09-28 1992-04-02 Lien Sheuan Ind Co Ltd Kreisellader
DE10061970A1 (de) * 2000-12-13 2002-06-20 Peter Morath Turboverdichter
US20050176313A1 (en) * 2004-01-30 2005-08-11 Clark Tim T. Integrated transmission bell housing
DE102009025693A1 (de) * 2009-06-20 2010-01-28 Daimler Ag Rädertrieb für eine Verbrennungskraftmaschine
US20130139515A1 (en) * 2011-05-27 2013-06-06 Daniel K. Schlab Integral gas turbine, flywheel, generator, and method for hybrid operation thereof
US20140283797A1 (en) * 2011-09-30 2014-09-25 Eaton Corporation Supercharger assembly with two rotor sets
DE102015008292A1 (de) 2015-06-26 2016-01-21 Daimler Ag Antriebsaggregat, unter anderem für ein Kraftfahrzeug

Also Published As

Publication number Publication date
DE102016107885B4 (de) 2020-11-26
DE102016107885A1 (de) 2017-11-02

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