WO2015058953A1 - Nockenwellenanordnung einer hubkolbenbrennkraftmaschine sowie hubkolbenbrennkraftmaschine mit einer solchen nockenwellenanordnung - Google Patents
Nockenwellenanordnung einer hubkolbenbrennkraftmaschine sowie hubkolbenbrennkraftmaschine mit einer solchen nockenwellenanordnung Download PDFInfo
- Publication number
- WO2015058953A1 WO2015058953A1 PCT/EP2014/071341 EP2014071341W WO2015058953A1 WO 2015058953 A1 WO2015058953 A1 WO 2015058953A1 EP 2014071341 W EP2014071341 W EP 2014071341W WO 2015058953 A1 WO2015058953 A1 WO 2015058953A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- camshaft
- internal combustion
- combustion engine
- phase
- unit
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/009—Electrical control of supply of combustible mixture or its constituents using means for generating position or synchronisation signals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
Definitions
- the invention relates to a camshaft arrangement of a reciprocating internal combustion engine having at least one phase-adjustable inlet camshaft and at least one
- phase-variable exhaust camshaft and a reciprocating internal combustion engine with such a camshaft assembly.
- DE 195 27 503 A1 From DE 195 27 503 A1 it is known to determine the angular position of crankshaft and camshaft with reciprocating internal combustion engines by means of suitable sensor systems. In this regard, reference is made in particular to the arrangement of encoder wheels with associated sensors. DE 195 27 503 A1 makes no reference to reciprocating internal combustion engines with two
- DE 10 2008 032 026 A1 discloses a camshaft sensor unit for determining the absolute position of a camshaft of a reciprocating internal combustion engine with a transmitter wheel.
- the sender wheel has distributed over its circumference a number of triggers, the one
- DE 101 56 780 A1 discloses a reciprocating internal combustion engine with an intake camshaft and an exhaust camshaft is known, wherein only the exhaust camshaft is designed to be phase-adjustable and this is associated with a so-called Schnellstartgeberrad.
- DE 101 56 780 A1 makes no reference to reciprocating internal combustion engines with two phase-adjustable camshafts.
- the invention is based on the object, a camshaft arrangement for a
- Reciprocating internal combustion engine having at least one phase-adjustable intake camshaft and at least one phase-adjustable exhaust camshaft and a reciprocating combustion engine be provided with such a camshaft assembly engine, which ensure a quick start capability of the reciprocating internal combustion engine, are inexpensive to implement and at the same time an increased accuracy in the position detection of
- a camshaft assembly for a reciprocating internal combustion engine with at least one phase-adjustable intake camshaft and at least one phase-adjustable exhaust camshaft of at least one phase-adjustable exhaust camshaft is assigned a Schnellstartgeberrad unit and the at least one phase-variable intake camshaft assigned a Cruzisionsgeberrad unit, said Rezisionsgeberrad unit has a higher resolution than the Schnellausgeberrad- unit.
- a Schnellstartgeberrad unit a unit that generates a waveform that allows in conjunction with the waveform of a crankshaft sensor unit a unique assignment of the power stroke of each cylinder of the reciprocating internal combustion engine. In the case of a four-cylinder engine, this can be done in particular by the combination of the signals of the quick-starting gear unit and the crankshaft sensor unit (for example detection of a sensor passing edge or other marking) being unambiguous. For details, reference will be made in detail in connection with the embodiment.
- a Schnellstartgeberrad unit is in this context in particular the combination of a Schnellstartgeberrades comprehensive understood n- ⁇ segments with a cooperating with this Schnellstartgeberrad sensor, which is adapted to reduce the starting time of a reciprocating internal combustion engine by during the
- Reciprocating internal combustion engine to provide additional information regarding the degree of filling of individual cylinders by accurately determining the closing timing of the intake valves via the intake camshaft position. This is done by the permanent
- the quick-start gear unit and the recuperativesgeberrad- unit are used for various purposes, namely the Schnellstartgeberrad unit for the fastest possible detection of the position of the crank and timing gear of a
- the precision encoder wheel is therefore preferably divided into a plurality of equally sized segments of uniform segment pitch (the only exception is often a reference mark with the omission or doubling of a segment), while the quick-start wheel has fewer segments and often has uneven segment pitch.
- the quick-start gear unit provides position sensing of the exhaust camshaft during engine operation, but with less accuracy than that
- a camshaft assembly according to the invention has the advantage that by assigning an arrangement of a Rezisionsgeberrad-unit to a phase-variable intake camshaft and assignment of a Schnellstartgeberrad unit to a phase-variable exhaust camshaft high accuracy of the position detection of the intake camshaft with simultaneous quick start capability is enabled and thereby in a variety of
- the invention therefore represents Reciprocating internal combustion engines with dual phasing (ie with phase-variable intake camshaft and phased-out exhaust camshaft) is a preferred compromise of manufacturing cost and accuracy in terms of charge detection of reciprocating internal combustion engines.
- segment in the present case means any means for generating and detecting at least two different signals that allows a position evaluation.
- Such means are, in particular, geometrically recognizable elements (such as flanks with raised and recessed areas therebetween, teeth, gaps, slots), magnetic fields and / or optical marks that can be detected by known sensors.
- segments and sensors are used which can be distinguished between exactly two different states or signals (e.g., high / low or 0/1).
- radially extending is not necessarily an exclusively radial
- flanks F which extend partially in the radial direction and partially in the circumferential direction. In the latter case, they can be differentiated from the raised areas e and the recessed areas v, in particular when the raised areas e and the recessed areas v extend exclusively in the circumferential direction.
- all elevated regions e and / or all recessed regions v of a quick-start transmitter wheel and / or a precision encoder wheel are each arranged on a circle arranged concentrically around the axis of rotation D of the respective camshaft.
- the number of segments n- ⁇ the Rezisionsgeberrades is at least (2 * n 2 -1).
- the number of segments n- ⁇ either (x * n 2 ), (x * n 2 +1) or (x * n 2 -1), where x is a positive, integer and n 2, the number of segments of Quick start wheel is.
- the value (x * n 2 -1) results when a higher range e is omitted as the marking of a complete revolution for the precision gear wheel (gap as marking).
- a gap as a marking is particularly preferred if the proposed recuperzisionsgeberrad- sensor could not trigger an additional mark or not reliable, ie, if the existing markers already the resolution of the proposed recuperzisionsgeberrad- sensor is fully or largely exhausted.
- Marking is made on the recuperzisionsgeberrad. An additional marking is particularly preferred if it can be reliably detected by the intended recuperzisionsgeberrad sensor.
- the Retriggerrad has a larger outer diameter than that
- the precision wheel provided with a higher resolution i.e., having more segments
- the precision wheel provided with a higher resolution can be made with larger absolute tolerances because of the length of the raised and recessed areas (this is
- the invention also relates to a reciprocating internal combustion engine with a camshaft arrangement as described above.
- the term reciprocating internal combustion engine specifically refers to four-stroke gasoline engines of motor vehicles.
- the invention is not limited thereto, but can also be used in particular for other vehicles, such as for marine or aircraft engines, as well as for stationary engines.
- the latter has z cylinders, the number n 2 of the segments of the
- Schnellstartgeberrades (12) corresponds to an integer multiple of the number z of the cylinder. Integer multiples designates in particular a number of the segments n 2 corresponding exactly to the number z of the cylinders
- a reciprocating internal combustion engine comprises a crankshaft, which is associated with its own crankshaft-Geberrad unit.
- a crankshaft-donor wheel unit is preferably a donor wheel with a plurality of teeth, lugs and / or slots, which are distributed uniformly over the circumference, wherein the resolution, the higher the number of teeth, lugs and / or Slots are arranged distributed over the circumference.
- crankshaft, the at least one intake camshaft and the at least one exhaust camshaft of a reciprocating internal combustion engine according to the invention are interconnected via a common control drive and are driven together. This saves separate drive units and a synchronization of these drive units.
- Fig. 1 is a Schnellstartgeberrad unit and a Rezisionsgeberrad unit of a
- 1 shows a schematic view of an axis of rotation D K of a crankshaft, not shown, an axis of rotation D A of an exhaust camshaft, not shown, and a rotational axis D E of an unillustrated intake camshaft of a series four-cylinder internal combustion engine (gasoline engine).
- the exhaust camshaft is coupled to a quick start gear unit 10 that includes a quick start gear wheel 12 and a quick start gear sensor 14.
- Quick-start gear 12 comprises four alternately arranged elevated regions e and recessed regions v which are interconnected by flanks F extending exclusively in the radial direction.
- the raised areas may also be referred to as “teeth.”
- Coupled herein is meant that the quick start gear 12 is rotationally connected to the exhaust camshaft. This can be done in particular by integral formation of a Schnellstartgeberrades 12 with the camshaft or by rotationally fixed connection of a separate Schnellstartgeberrades 12 (as shown in Figure 1) with the camshaft.
- About the Schnellstartgeberrad sensor 14 is determined whether in the measuring range of
- Schnellstartgeberrad sensor 14 is just a raised area e and / or a recessed area v is located. From this, current positions of the exhaust valves are derived. As can be seen in Figure 1, the Schnellstartgeberrad 12 four segments with uneven
- Segment division i. the angular area of a recessed area v and the angular area of a raised area e of a segment are different in size.
- the intake camshaft is coupled to a precision encoder wheel assembly 20 that includes a precision encoder wheel 22 and a precision encoder wheel sensor 24.
- the current position of the intake camshaft can be limited by "counting" and evaluating the signals by means of the precision sensor wheel sensor 24.
- the evaluation can be carried out, for example, in a known manner by measuring the magnetic flux density over the rotational angle of the intake camshaft 1, which is directed to the precision sensor wheel sensor 24 and forms part of an additional segment, serves as a reference mark
- the precision encoder wheel 22 thus has twelve segments with uniform (simple) pitch on, wherein by the reference mark described above, a segment with simple division was "divided" into two segments with half pitch.
- the crankshaft is coupled to a crankshaft gear unit 30, which includes a
- crankshaft sensor wheel 32 and a crankshaft sensor wheel sensor 34 includes.
- Crankshaft timing gear 32 includes a plurality of evenly circumferentially distributed teeth 36 and a tooth space 38 which serves as a reference mark.
- the sensors 14, 24, 34 are known Hall sensors. It will be apparent to those skilled in the art to use other suitable sensors in place of these sensors 14, 24, 34, and especially if the segments are deviated instead of increased area e and recessed areas v (e.g.
- d e1 diameter in the region of the raised regions e of the precision encoder wheel 22
- d v i Diameter in the area of the recessed areas v of the recuperzisionsgeberrades 22 d e2 : Diameter in the region of the raised areas e of the Schnellstartgeberrades 12 d v2 : diameter in the region of the recessed areas v of the Schnellstartgeberrades 12th
- mm mm
- d e 2 60 mm.
- the dimension d v2 can be suitably adapted to the accuracy of the
- Quick-start sensor 14 can be adjusted.
- d v2 is approximately 50 mm. It is advantageous in an arrangement according to the invention, if d e i is chosen to be larger than d e2 , since the resolution of the Rezisionsgeberrades 22 is higher and the required tolerances can be greater, the greater d e i is selected.
- the circumference of the recuperzisionsgeberrades 22 is thus divided into 1 1 segments at an angle of 30 ° and 2 segments at an angle of 15 °.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14780879.4A EP3017154B1 (de) | 2013-10-24 | 2014-10-06 | Nockenwellenanordnung einer hubkolbenbrennkraftmaschine sowie hubkolbenbrennkraftmaschine mit einer solchen nockenwellenanordnung |
CN201480058343.1A CN105658916B (zh) | 2013-10-24 | 2014-10-06 | 往复活塞内燃机的凸轮轴组件以及带有这样的凸轮轴组件的往复活塞内燃机 |
RU2016108514A RU2637798C2 (ru) | 2013-10-24 | 2014-10-06 | Система распределительного вала поршневого двигателя внутреннего сгорания, а также поршневой двигатель внутреннего сгорания с такой системой распределительного вала |
KR1020167013531A KR101682341B1 (ko) | 2013-10-24 | 2014-10-06 | 왕복 피스톤 내연 기관의 캠샤프트 장치 및 상기 유형의 캠샤프트 장치를 갖는 왕복 피스톤 내연 기관 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013221638.6 | 2013-10-24 | ||
DE201310221638 DE102013221638A1 (de) | 2013-10-24 | 2013-10-24 | Nockenwellenanordnung einer Hubkolbenrennkraftmaschine sowie Hubkolbenbrennkraftmaschine mit einer solchen Nockenwellenanordnung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015058953A1 true WO2015058953A1 (de) | 2015-04-30 |
Family
ID=51660500
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2014/071341 WO2015058953A1 (de) | 2013-10-24 | 2014-10-06 | Nockenwellenanordnung einer hubkolbenbrennkraftmaschine sowie hubkolbenbrennkraftmaschine mit einer solchen nockenwellenanordnung |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP3017154B1 (de) |
KR (1) | KR101682341B1 (de) |
CN (1) | CN105658916B (de) |
DE (1) | DE102013221638A1 (de) |
RU (1) | RU2637798C2 (de) |
WO (1) | WO2015058953A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020043802A1 (fr) * | 2018-08-29 | 2020-03-05 | Continental Automotive France | Cible d'arbre à cames réversible |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19527503A1 (de) | 1995-07-27 | 1997-01-30 | Bosch Gmbh Robert | Elektronisches Steuersystem für eine Brennkraftmaschine |
US5715780A (en) * | 1996-10-21 | 1998-02-10 | General Motors Corporation | Cam phaser position detection |
DE10156780A1 (de) | 2000-11-20 | 2002-06-06 | Gen Motors Corp | Globales Nockenstellungsmeßsystem |
DE10320046A1 (de) * | 2003-02-27 | 2004-09-09 | Robert Bosch Gmbh | Anordnung zur Bestimmung der Kurbelwellenlage einer mehrzylindrigen Brennkraftmaschine |
DE102005016599A1 (de) * | 2005-04-11 | 2006-10-12 | Siemens Ag | Nockenwellengeberrad für eine Nockenwellensensorvorrichtung |
DE102007054979A1 (de) * | 2007-11-17 | 2009-05-20 | Daimler Ag | Ventiltriebvorrichtung |
DE102008032026A1 (de) | 2008-07-07 | 2010-01-14 | Schaeffler Kg | Nockenwellensensoreinheit und Verfahren zur Steuerung eines elektromechanischen Nockenwellenverstellers eines Verbrennungsmotors bei Motorstart |
DE102008049103A1 (de) * | 2008-09-26 | 2010-04-01 | Daimler Ag | Ventiltriebvorrichtung |
DE102011056833A1 (de) * | 2011-12-21 | 2013-06-27 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Ventiltriebvorrichtung für eine Brennkraftmaschine |
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DE4304163A1 (de) * | 1993-02-12 | 1994-08-25 | Bosch Gmbh Robert | Einrichtung zur Steuerung der Kraftstoffeinspritzung bei einer Brennkraftmaschine |
DE19650250A1 (de) * | 1996-12-04 | 1998-06-10 | Bosch Gmbh Robert | Einrichtung zur Regelung einer Brennkraftmaschine |
DE19900641A1 (de) * | 1999-01-11 | 2000-01-27 | Siemens Ag | Vorrichtung und Verfahren zur Drehwinkelerkennung der Nockenwelle einer mehrzylindrigen Brennkraftmaschine |
DE19946077A1 (de) * | 1999-09-25 | 2001-04-19 | Volkswagen Ag | Verfahren zur Regelung der Lage einer Nockenwelle und Anordnung zur Durchführung des Verfahrens |
WO2004088094A2 (en) * | 2003-03-29 | 2004-10-14 | Hydraulik-Ring Gmbh | Variable valve lift device for the lift adjustment of gas-exchange valves of an internal combustion engine |
DE102004001716A1 (de) * | 2004-01-13 | 2005-08-18 | Robert Bosch Gmbh | Verfahren zum Betreiben einer Brennkraftmaschine |
CN100538021C (zh) * | 2004-09-24 | 2009-09-09 | 谢夫勒两合公司 | 用于调节凸轮轴相对于曲轴的转角位置的装置 |
JP4508215B2 (ja) * | 2007-05-24 | 2010-07-21 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
-
2013
- 2013-10-24 DE DE201310221638 patent/DE102013221638A1/de not_active Withdrawn
-
2014
- 2014-10-06 CN CN201480058343.1A patent/CN105658916B/zh active Active
- 2014-10-06 KR KR1020167013531A patent/KR101682341B1/ko active IP Right Grant
- 2014-10-06 EP EP14780879.4A patent/EP3017154B1/de active Active
- 2014-10-06 RU RU2016108514A patent/RU2637798C2/ru active
- 2014-10-06 WO PCT/EP2014/071341 patent/WO2015058953A1/de active Application Filing
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19527503A1 (de) | 1995-07-27 | 1997-01-30 | Bosch Gmbh Robert | Elektronisches Steuersystem für eine Brennkraftmaschine |
US5715780A (en) * | 1996-10-21 | 1998-02-10 | General Motors Corporation | Cam phaser position detection |
DE10156780A1 (de) | 2000-11-20 | 2002-06-06 | Gen Motors Corp | Globales Nockenstellungsmeßsystem |
DE10320046A1 (de) * | 2003-02-27 | 2004-09-09 | Robert Bosch Gmbh | Anordnung zur Bestimmung der Kurbelwellenlage einer mehrzylindrigen Brennkraftmaschine |
DE102005016599A1 (de) * | 2005-04-11 | 2006-10-12 | Siemens Ag | Nockenwellengeberrad für eine Nockenwellensensorvorrichtung |
DE102007054979A1 (de) * | 2007-11-17 | 2009-05-20 | Daimler Ag | Ventiltriebvorrichtung |
DE102008032026A1 (de) | 2008-07-07 | 2010-01-14 | Schaeffler Kg | Nockenwellensensoreinheit und Verfahren zur Steuerung eines elektromechanischen Nockenwellenverstellers eines Verbrennungsmotors bei Motorstart |
DE102008049103A1 (de) * | 2008-09-26 | 2010-04-01 | Daimler Ag | Ventiltriebvorrichtung |
DE102011056833A1 (de) * | 2011-12-21 | 2013-06-27 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Ventiltriebvorrichtung für eine Brennkraftmaschine |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020043802A1 (fr) * | 2018-08-29 | 2020-03-05 | Continental Automotive France | Cible d'arbre à cames réversible |
FR3085421A1 (fr) * | 2018-08-29 | 2020-03-06 | Continental Automotive | Cible d’arbre a cames reversible |
FR3085422A1 (fr) * | 2018-08-29 | 2020-03-06 | Continental Automotive France | Cible d'arbre a cames reversible |
US11242773B2 (en) | 2018-08-29 | 2022-02-08 | Vitesco Technologies GmbH | Reversible camshaft target |
Also Published As
Publication number | Publication date |
---|---|
DE102013221638A1 (de) | 2015-04-30 |
CN105658916A (zh) | 2016-06-08 |
RU2016108514A (ru) | 2017-11-29 |
KR20160070156A (ko) | 2016-06-17 |
EP3017154A1 (de) | 2016-05-11 |
EP3017154B1 (de) | 2016-11-16 |
CN105658916B (zh) | 2018-10-19 |
RU2637798C2 (ru) | 2017-12-07 |
KR101682341B1 (ko) | 2016-12-12 |
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