DE10242601A1 - Internal combustion engine for motor vehicle has position sensor arranged inside starter-generator for determining position of crankshaft, control unit that interacts with engine controller - Google Patents

Internal combustion engine for motor vehicle has position sensor arranged inside starter-generator for determining position of crankshaft, control unit that interacts with engine controller Download PDF

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Publication number
DE10242601A1
DE10242601A1 DE2002142601 DE10242601A DE10242601A1 DE 10242601 A1 DE10242601 A1 DE 10242601A1 DE 2002142601 DE2002142601 DE 2002142601 DE 10242601 A DE10242601 A DE 10242601A DE 10242601 A1 DE10242601 A1 DE 10242601A1
Authority
DE
Germany
Prior art keywords
generator
crankshaft
starter
position sensor
internal combustion
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.)
Withdrawn
Application number
DE2002142601
Other languages
German (de)
Inventor
Otmar Dipl.-Ing. Bitsche
Normann Dipl.-Ing Freisinger (FH)
Jutta Dipl.-Ing. Kinder
Oliver Dipl.-Ing. Kirn
Werner Dipl.-Ing. König
Dieter Dr. Krauth
Daniel Dipl.-Ing. Müller
Armin Dr.-Ing. Nickel
Hans-Dieter Dipl.-Ing. Teufel
Roland Dipl.-Ing. Zieker
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.)
Mercedes Benz Group AG
Original Assignee
DaimlerChrysler AG
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 DaimlerChrysler AG filed Critical DaimlerChrysler AG
Priority to DE2002142601 priority Critical patent/DE10242601A1/en
Publication of DE10242601A1 publication Critical patent/DE10242601A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/04—Starting of engines by means of electric motors the motors being associated with current generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P7/00—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices
    • F02P7/06—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices of circuit-makers or -breakers, or pick-up devices adapted to sense particular points of the timing cycle

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

The engine has a crankshaft (1), a starter-generator (7) and a crankshaft position sensor arranged inside the starter-generator. The position sensor is associated with the starter-generator and crankshaft. It is in two parts, with a first part mounted on the rotor (6) and a second part on a housing wall (14) or stator (12). The starter-generator has a control unit associated with the sensor that interacts with an engine controller.

Description

Die Erfindung bezieht sich auf einen Verbrennungsmotor eines Kraftfahrzeugs mit einer Kurbelwelle und einer Starter-Generator-Einheit sowie einem die Position der Kurbelwelle erfassenden Lagegeber.The invention relates to a Internal combustion engine of a motor vehicle with a crankshaft and a starter-generator unit and a position of the crankshaft capturing position generator.

Es ist bereits eine Starter-Generator-Einheit aus der EP 0 233 738 B1 bekannt. Die Starter-Generator-Einheit weist hierbei Mittel zur Bestimmung der Rotorposition auf.It is already a starter generator unit from the EP 0 233 738 B1 known. The starter-generator unit here has means for determining the rotor position.

Der Erfindung liegt die Aufgabe zugrunde, ein Antriebsaggregat derart auszubilden und anzuordnen, dass eine einfache und gewichtsoptimierte Konstruktion gewährleistet ist.The invention is based on the object Form drive unit in such a way and to arrange that a simple and weight-optimized construction is guaranteed.

Gelöst wird die Aufgabe erfindungsgemäß dadurch, dass der Lagegeber innerhalb der Starter-Generator-Einheit angeordnet ist, wobei der Lagegeber der Starter-Generator-Einheit und der Kurbelwelle zugeordnet ist. Hierdurch wird erreicht, dass der Lagegeber des Verbrennungsmotors und die hierfür angeordneten Messmittel wie Zahnräder entfallen. Der Aufbau des Verbrennungsmotors wird vereinfacht und das Gewicht wird reduziert. Der Lagegeber für die Starter-Generator-Einheit muss zudem eine höhere Auflösung als der eines Verbrennungsmotors aufweisen, so dass die Verwendung des Lagegebers des Verbrennungsmotors für die Starter-Generator-Einheit nur begrenzt möglich ist.The problem is solved according to the invention by that the position encoder is arranged inside the starter-generator unit is, wherein the position sensor of the starter-generator unit and the crankshaft assigned. This ensures that the position sensor of the Internal combustion engine and the for this arranged measuring means such as gears omitted. The construction of the Internal combustion engine is simplified and the weight is reduced. The position provider for The starter-generator unit must also have a higher resolution than that of an internal combustion engine have, so that the use of the position sensor of the internal combustion engine for the Starter-generator unit is limited.

Hierzu ist es vorteilhaft, dass der Lagegeber zweiteilig ausgebildet ist, wobei ein erster Teil am Rotor angeordnet ist und ein zweiter Teil an einer Gehäusewand oder am Stator vorgesehen ist. Somit wird die relative Lage zwischen Rotor und Stator bestimmt.For this purpose, it is advantageous that the Position encoder is formed in two parts, with a first part on the rotor is arranged and a second part provided on a housing wall or on the stator is. Thus, the relative position between the rotor and stator is determined.

Eine zusätzliche Möglichkeit ist gemäß einer Weiterbildung, dass der Starter-Generator eine dem Lagegeber zugeordnete Steuereinheit aufweist, die mit einer Motorsteuerung in Wirkverbindung steht. Dadurch kann bei geschlossener Kupplung die aktuelle Position der Starter-Generator-Einheit bzw. des Rotors auf die der Kurbelwelle übertragen und verarbeitet werden.An additional possibility is according to a development, in that the starter-generator has a control unit assigned to the positioner which is in operative connection with a motor control. Thereby can with the clutch closed, the current position of the starter-generator unit or the rotor are transferred to the crankshaft and processed.

Weitere Vorteile und Einzelheiten der Erfindung sind in den Patentansprüchen und in der Beschreibung erläutert und in der Figur dargestellt.Further advantages and details The invention are in the claims and in the description explained and shown in the figure.

Die Zeichnung zeigt einen Längsschnitt durch ein Motorgehäuse 18 bzw. Getriebegehäuse 19 einer von einem Verbrennungsmotor angetriebenen Trennkupplung 17 und einen Drehmomentwandler 11 mit einem dazwischengeschalteten Starter-Generator 7. Das Drehmoment des Verbrennungsmotors wird von einer Kurbelwelle 1 über ein an diese angeflanschtes Schwungrad 2 auf eine Kupplungsscheibe 3 einer Trennkupplung 17 und weiter über eine Schiebehülse 4 auf eine Zwischenwelle 5 übertragen. An diese ist ein Scheibenrotor 6 eines Starter-Generators 7 angeflanscht, der aus einer ursprünglich vorhandenen Verbindungsscheibe abgeleitet ist und der über Schrauben 8 mit Butzen 9 eines Primärteils 10 eines Drehmomentwandlers 11 verbunden ist.The drawing shows a longitudinal section through a motor housing 18 or gear housing 19 a driven by an internal combustion engine clutch 17 and a torque converter 11 with an interposed starter generator 7 , The torque of the engine is from a crankshaft 1 via a flywheel flanged to it 2 on a clutch disc 3 a separating clutch 17 and continue via a sliding sleeve 4 on an intermediate shaft 5 transfer. At this is a disc rotor 6 a starter generator 7 Flanged, which is derived from an originally existing connection disc and the screws 8th with slugs 9 a primary part 10 a torque converter 11 connected is.

Der Scheibenrotor 6 wird von einem Stator 12 umfasst, der über einen ringförmigen Fuß 13 mit einem Zwischengehäuse 14 verbunden ist. Zwischen dem ringförmigen Fuß 13 und dem Zwischengehäuse 14 befindet sich ein durch Dichtringe 15 abgedichteter Kühlraum 16 für die Kühlung des Stators 12.The disc rotor 6 is from a stator 12 Includes, over an annular foot 13 with an intermediate housing 14 connected is. Between the ring-shaped foot 13 and the intermediate housing 14 is located through a sealing rings 15 sealed refrigerator 16 for the cooling of the stator 12 ,

Der Starter-Generator besteht im Wesentlichen nur aus dem Scheibenrotor 6 und dem Stator 12. Sein direkter Antrieb erübrigt jegliches Getriebe.The starter generator consists essentially only of the disc rotor 6 and the stator 12 , Its direct drive eliminates any gear.

Sowohl der Stator 12 als auch der Scheibenrotor 6 weisen nicht dargestellte Teile eines Lagegebers zur Bestimmung der relativen Position auf.Both the stator 12 as well as the disc rotor 6 have not shown parts of a position sensor for determining the relative position.

11
Kurbelwellecrankshaft
22
Schwungradflywheel
33
Kupplungsscheibeclutch disc
44
Schiebehülsesliding sleeve
55
Zwischenwelleintermediate shaft
66
Scheibenrotordisc rotor
77
Starter-GeneratorStarter-generator
88th
Schraubescrew
99
Butzenslugs
1010
Primärteilprimary part
1111
Drehmomentwandlertorque converter
1212
Statorstator
1313
Fußfoot
1414
Zwischengehäuseintermediate housing
1515
Dichtringseal
1616
Kühlraumrefrigerator
1717
Trennkupplungseparating clutch
1818
Motorgehäusemotor housing
1919
Getriebegehäusegearbox

Claims (4)

Verbrennungsmotor eines Kraftfahrzeugs mit einer Kurbelwelle (1) und einem Starter-Generator (7) sowie einem die Position der Kurbelwelle (1) erfassenden Lagegeber, dadurch gekennzeichnet , dass der Lagegeber innerhalb des Starter-Generators (7) angeordnet ist.Internal combustion engine of a motor vehicle with a crankshaft ( 1 ) and a starter generator ( 7 ) as well as the position of the crankshaft ( 1 ) detecting position sensor, characterized in that the position sensor within the starter generator ( 7 ) is arranged. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Lagegeber dem Starter-Generator (7) und der Kurbelwelle (1) zugeordnet ist.Apparatus according to claim 1, characterized in that the position sensor to the starter generator ( 7 ) and the crankshaft ( 1 ) assigned. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Lagegeber zweiteilig ausgebildet ist, wobei ein erster Teil am Rotor (6) angeordnet ist und ein zweiter Teil an einer Gehäusewand (14) oder am Stator (12) vorgesehen ist.Apparatus according to claim 1 or 2, characterized in that the position encoder is formed in two parts, wherein a first part on the rotor ( 6 ) is arranged and a second part on a housing wall ( 14 ) or on the stator ( 12 ) is provided. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Starter-Generator (7) eine dem Lagegeber zugeordnete Steuereinheit aufweist, die mit einer Motorsteuerung in Wirkverbindung steht.Device according to one of the preceding claims, characterized in that the starter-generator ( 7 ) has a control unit associated with the control unit, which with a motor control is in active connection.
DE2002142601 2002-09-13 2002-09-13 Internal combustion engine for motor vehicle has position sensor arranged inside starter-generator for determining position of crankshaft, control unit that interacts with engine controller Withdrawn DE10242601A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE2002142601 DE10242601A1 (en) 2002-09-13 2002-09-13 Internal combustion engine for motor vehicle has position sensor arranged inside starter-generator for determining position of crankshaft, control unit that interacts with engine controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2002142601 DE10242601A1 (en) 2002-09-13 2002-09-13 Internal combustion engine for motor vehicle has position sensor arranged inside starter-generator for determining position of crankshaft, control unit that interacts with engine controller

Publications (1)

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DE10242601A1 true DE10242601A1 (en) 2004-03-25

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014011997A1 (en) 2014-08-12 2015-03-12 Daimler Ag Powertrain for a motor vehicle, in particular a passenger car
DE102014011995A1 (en) 2014-08-12 2016-02-18 Daimler Ag Powertrain for a motor vehicle, in particular a passenger car
DE102008021422B4 (en) * 2007-05-03 2021-02-04 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Method and device for determining the rotational position of an internal combustion engine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999054621A1 (en) * 1998-04-20 1999-10-28 Continental Isad Electronic Systems Gmbh & Co. Kg Method and starter system for starting an internal combustion engine
DE19955065A1 (en) * 1999-11-15 2001-05-23 Bosch Gmbh Robert Starter for an internal combustion engine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999054621A1 (en) * 1998-04-20 1999-10-28 Continental Isad Electronic Systems Gmbh & Co. Kg Method and starter system for starting an internal combustion engine
DE19955065A1 (en) * 1999-11-15 2001-05-23 Bosch Gmbh Robert Starter for an internal combustion engine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008021422B4 (en) * 2007-05-03 2021-02-04 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Method and device for determining the rotational position of an internal combustion engine
DE102014011997A1 (en) 2014-08-12 2015-03-12 Daimler Ag Powertrain for a motor vehicle, in particular a passenger car
DE102014011995A1 (en) 2014-08-12 2016-02-18 Daimler Ag Powertrain for a motor vehicle, in particular a passenger car

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Legal Events

Date Code Title Description
OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
8127 New person/name/address of the applicant

Owner name: DAIMLERCHRYSLER AG, 70327 STUTTGART, DE

8127 New person/name/address of the applicant

Owner name: DAIMLER AG, 70327 STUTTGART, DE

8141 Disposal/no request for examination