EP2964919A1 - Moteur à combustion interne pourvu d'un générateur linéaire et d'un générateur rotatif - Google Patents

Moteur à combustion interne pourvu d'un générateur linéaire et d'un générateur rotatif

Info

Publication number
EP2964919A1
EP2964919A1 EP13709369.6A EP13709369A EP2964919A1 EP 2964919 A1 EP2964919 A1 EP 2964919A1 EP 13709369 A EP13709369 A EP 13709369A EP 2964919 A1 EP2964919 A1 EP 2964919A1
Authority
EP
European Patent Office
Prior art keywords
electric machine
internal combustion
piston
combustion engine
stator
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Withdrawn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
EP13709369.6A
Other languages
German (de)
English (en)
Inventor
Jens Hamann
Andreas KLOTZEK
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Publication of EP2964919A1 publication Critical patent/EP2964919A1/fr
Withdrawn legal-status Critical Current

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
    • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
    • F02B63/042—Rotating electric generators
    • 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
    • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
    • F02B63/041—Linear electric generators
    • 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
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • 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
    • F02B75/00—Other engines
    • F02B75/28—Engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders
    • F02B75/282—Engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders the pistons having equal strokes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • H02K7/1815—Rotary generators structurally associated with reciprocating piston engines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1869—Linear generators; sectional generators
    • H02K7/1876—Linear generators; sectional generators with reciprocating, linearly oscillating or vibrating parts

Definitions

  • the present invention relates to a Verbrennungskraftma ⁇ machine
  • a first piston of the internal combustion engine is guided linearly, so that the first piston oscillates in the first cylinder between a first top dead center and a first bottom dead center,
  • the internal combustion engine has a first crankshaft which is driven by the first piston via a first connecting rod and which is connected in a rotationally fixed manner to the rotor of a first electric machine
  • stator of the first electric machine for bidirectional transmission of electrical energy is connected to a first inverter unit.
  • first inverter unit Such internal combustion engines are well known.
  • any conventional emergency generator is so out ⁇ forms.
  • the electric machine is not used in the prior art in order to influence the course of the cycle of the internal combustion engine in a targeted manner. men.
  • the influence on the cycle is already known.
  • the object of the present invention is to provide an electric machine of the type mentioned in the white ⁇ terzuentwickeln that is facilitated an optimization of the cycle of the internal combustion engine and improved.
  • an internal combustion engine of the type mentioned above is configured by
  • stator of the second electric machine is arranged on the first cylinder
  • the control device is generally supplied with a rotational position of the first crankshaft le and / or a position of the first piston.
  • Preference ⁇ as the control means controls the first power conversion unit such that the first electrical machine operates in depen ⁇ dependence on the rotational position of the first crankshaft and / or the position of the first piston as a generator or as a motor 15th
  • the second converter unit controls the Steuereinrich ⁇ tung preferably such that the second electrical machine ⁇ Ma acts at any time as a generator. This Substituted ⁇ staltung simplifies the construction of the second converter unit.
  • control means controls the first and second order ⁇ inverter unit to such that the first electrical machine acts as genes ⁇ rator during the power stroke of the first piston and that, within the working cycle near
  • a second power output from the second electric machine is greater than a first power output from the first electric machine and in a central region between the first top dead center and the first bottom dead center of the second
  • Second electric power output is smaller than the output from the first electric machine first power is.
  • the second power output by the second electric machine within the power stroke also be in the vicinity of
  • the first and the second electric machine are speed-controlled by the control device. exaggerated.
  • the first and the second electrical machine by the control means with position control can be Betrie ⁇ ben. It is possible that the internal combustion engine has only a single cylinder. In the case of a position control, however, it is alternatively possible as well
  • a second piston of the internal combustion engine is guided linearly so that the second piston in the second cylinder oscillates between a second top dead center and a second bottom dead center,
  • first end face of the first piston and a second end face of the second piston each define a combustion chamber of the internal combustion engine one-sided
  • the internal combustion engine has a second crankshaft driven by the second piston via a second connecting rod and connected in a rotationally fixed manner to the rotor of a third electric machine,
  • stator of the fourth electric machine is arranged on the second cylinder
  • the stator of the fourth electric machine for uni- or bidirectional transmission of electrical energy is connected to a fourth inverter unit.
  • the third inverter unit and the fourth inverter unit are also controlled by the control device.
  • the control can in particular be such that the two ⁇ th piston does not move completely uniform to the first piston.
  • the control device determines the position and a linear speed of the first piston based on the rotational position of the first crankshaft and a rotational speed of the first electric machine. If the second cylinder and the second piston are present, the corresponding statements apply analogously for the second rotational position of the crankshaft and the position of the second Col ⁇ bens.
  • the electrical machines and the inverter units can be dimensioned as needed. It is possible that the electric machines are purely auxiliary units as in ⁇ example, the alternator of a motor vehicle engine. Preferably, however, the electrical machine and the converter units are dimensioned such that, finally, electrical energy, but no mechanical Ener ⁇ energy is discharged during operation of the internal combustion engine of the internal combustion engine from ⁇ .
  • the internal combustion engine can alternatively operate according to the two-stroke principle or according to the four-stroke principle.
  • 1 shows an internal combustion engine in longitudinal section
  • 2 shows the internal combustion engine of FIG 1 in cross-section ⁇
  • FIG 6, the internal combustion engine of FIG 5 in cross-section ⁇ .
  • an internal combustion engine has a first cylinder 1.
  • a first piston 2 of the internal combustion engine is guided linearly.
  • the first piston 2 oscillates in the first cylinder 1 between a first top dead center OT and a first bottom dead center UT.
  • a first end face 3 of the first piston 2 bounds a combustion chamber 4 of the internal combustion engine on one side.
  • the internal combustion engine may alternatively ge ⁇ Gurss the two-stroke principle or operate according to the four-stroke principle.
  • the internal combustion engine further comprises a first cure ⁇ belwelle. 5
  • the first crankshaft 5 is driven by the first piston 2 via a first connecting rod 6. It is (see FIG 2) rotatably connected to the rotor 7 of a first electrical machine see 8 connected. It is possible according to the 2 depicting ⁇ lung in FIG, that the first electric machine 8 is located outside of a crankcase 9 of the Verbrennungskraftmaschi ⁇ ne. Alternatively, the first electrical machine Ma ⁇ 8 may be disposed within the crankcase 9 and be integrated into the internal combustion engine.
  • the rotor 7 of the first electric machine 8 interacts electromagnetically with a stator 10 of the first electric machine 8.
  • the stator 10 of the first electric machine 8 is connected to a first inverter unit 11 for the bidirectional transmission of electrical energy.
  • Zvi ⁇ rule the stator 10 of the first electric machine 8 and the first inverter unit 11 can bidirectionally electrical Energy to be transmitted.
  • the first electric machine 8 can thus - depending on the activation of the first converter unit 11 - alternatively be operated as a generator or as a motor.
  • the rotor 13 of a second electric machine 14 is arranged on the first piston 2 - for example, on a lateral surface 12 of the first piston 2 -.
  • the rotor 13 may, for example ⁇ as shown in FIG 1 permanent magnets 15 include.
  • the second electrical Ma ⁇ machine 14 is designed as a permanently excited synchronous machine.
  • the rotor 13 could have a winding and the second electric machine 14 could thereby be embodied as an electrically excited synchronous machine.
  • the second electric machine 14 may be formed, for example, as an asynchronous machine.
  • Other Ausgestaltun ⁇ conditions are possible.
  • the stator 17 of the second electric machine 14 is arranged on the first cylinder 1 - for example, on a lateral surface 16 of the first cylinder 1 - the stator 17 of the second electric machine 14 is arranged.
  • the stator 17 interacts electromagnetically with the rotor 13 of the second electric machine 14.
  • the first cylinder 1 is preferably made of a non-magnetizable or only weakly magnetizable material, for example of aluminum, a high-alloy steel or a sufficiently temperature-resistant plastic.
  • the stator 17 of the second electric machine 14 is connected according to FIG. 1 to a second converter unit 18. Under certain circumstances, bidirectional electrical energy can be transmitted between the stator 17 of the second electric machine 14 and the second converter unit 18.
  • the second electric machine 14 can alternatively be operated as a generator or as a motor.
  • the stator 17 of the second electric machine 14 and the second inverter unit 18 only unidirectional electrical energy can be transmitted. In this case, the second electric machine 14 is always operated as a generator.
  • the first and the second converter unit 11, 18 are controlled by a control unit 19 common to the converter units 11, 18.
  • a control unit 19 common to the converter units 11, 18.
  • the control device 19 a rotational position ⁇ of the first crankshaft 5 and / or a position x of the first piston 2 are supplied.
  • the control device 19 is in particular ⁇ sondere the rotational position ⁇ of the first crankshaft 5 conces- leads.
  • the first electric machine 8 may be associated with a rotary encoder 20, by means of which the rotational position ⁇ of the first electric machine 8 and thus also of the first crankshaft 5 is detected. The detected Drehstel ⁇ ment ⁇ can transmit the encoder 20 to the controller 19.
  • control device 19 is also explicitly supplied with the position x of the first piston 2. Before ⁇ preferably, however, the position x of the first piston 2, the control device 19 is not supplied. Because in particular the control means 19 may be based on the rotational position of the first crankshaft ⁇ 5 directly and immediately the position x and the ⁇ Rich tung a linear velocity v of the first piston 2 it ⁇ means. The amount of the linear velocity v is based on the rotational position ⁇ of the first crankshaft 5 and a rotational speed n of the first electric machine 8.
  • FIG. 3 shows, by way of example, in arbitrary units, temporal courses of a first action Wl applied by the first electric machine 8 and a second action W2 applied by the second electric machine 14 as well as a total effect W applied overall by the two electric machines 8, 11 the rotational position ⁇ (in degrees) of the first crankshaft 5.
  • the effects Wl, W2, W for example, correspond to powers or currents. At any time, the relationship applies
  • FIG. 3 shows purely by way of example the time profiles for an embodiment of the internal combustion engine as a secondary clock.
  • the following remarks are in principle but readily applicable also to a refinement of the combustion ⁇ combustion engine as a four-stroke.
  • the control device 19 controls such that the first electrical machine ⁇ in Depending ⁇ speed of the rotational position 8 of the first crank shaft 5 and / or the position x of the first piston 2 as a generator or as Motor acts.
  • the first electric machine 8 acts as a generator during the working cycle of the first piston 2, and preferably also as a motor.
  • Intersection points at which the first and the second power Wl, W2 are equal, are preferably at about 30 ° to about 60 ° behind the first top dead center OT or at about 30 ° to about 60 ° before the ers ⁇ th bottom dead center UT. It is possible that the first and the second electrical machine are operated Ma ⁇ 8, 14 speed controlled by the control device 19th 4 shows a corresponding, implemented within the control device 19 control structure.
  • a desired value generator 21 outputs a desired speed value n * to a speed controller 22.
  • the speed controller 22 is further supplied with the rotational speed n of the first crankshaft 5.
  • the speed controller 22 determines a first current setpoint II * and controls the first inverter unit 11 accordingly.
  • the setpoint generator 21 furthermore determines a speed setpoint value v * based on the speed setpoint value n * and the rotational position ⁇ of the first crankshaft 5.
  • the speed ⁇ command value V * and the measured or determined by calculation Li ⁇ near speed v of the first piston 2 are fed to an overall schwindtechniksregler 23rd
  • the speed controller 23 determines a second current setpoint value 12 * and controls the second converter unit 18 accordingly.
  • a Verglei ⁇ cher 24 a (rotating position-dependent) Evaluation of the two current values is carried II *, 12 *.
  • a correction value ⁇ *, ⁇ * is fed to the speed controller 22 and / or the speed controller 23.
  • the first and the second elec- generic engine 8, 14 are operated by the control device 19 lagegere ⁇ gel.
  • the combustion ⁇ engine according to the Figures 5 and 6 - in addition to the first Cylinder 1 and the first piston 2 - a second cylinder 1 'and a second piston 2' have.
  • the second piston 2 ' is linearly guided in the second cylinder 1', so that the second piston 2 'in the second cylinder 1' oscillates between a second top dead center OT 'and a second bottom dead center UT " 3 'of the second piston 2' in this case limited vorzugswei ⁇ se the (common) combustion chamber 4 on one side.
  • the further embodiment is as above explained for the ers ⁇ th cylinder 1 and the first piston 2.
  • the corresponding elements 5 'to 18 'and 20' of the internal combustion ⁇ engine are therefore provided with reference numerals, which are provided with respect to the above in connection with the Figures 1 and 2 explained reference numerals with an apostrophe.
  • the control device 19 also controls the converter units 11 ', 18', referred to below as the third converter unit 11 'and as the fourth Umrichterein ⁇ unit 18' to distinguish from the above-explained in connection with FIG 1 inverter units 11, 18.
  • control device 19 it is possible for the control device 19 to drive the third and the fourth converter unit 11 ', 18' in a manner similar to the first and second converter unit 11, 18.
  • first converter unit 11 and the second inverter unit 18 on one hand and the third Umrich ⁇ territt 11 'and the fourth inverter unit 18' on the other ⁇ hand are controlled by the control device 19 such that the second piston 2 'is not moved completely uniformly to the first piston 2.
  • the movement of the two pistons 2, 2 ' must be similar. In particular, the movements must have the same fundamental frequency. However, they can have a phase offset, possibly time-variable, with respect to one another.
  • a variable displacement can be effected.
  • - as an alternative or in addition to a variation of the displacement - harmonics of the movements of the two pistons 2, 2 ' may be different from each other.
  • the electrical machines 8, 14 or 8, 14, 8 ', 14' and the inverter units 11, 18 or 11, 18, 11 ', 18' can be dimensioned as required. In particular, they can be so di ⁇ dimensioned that only electrical of the internal combustion engine power, but no mechanical energy is emitted during operation of the internal combustion engine.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

L'invention concerne un moteur à combustion interne, dans lequel un piston (2) oscille linéairement dans un cylindre (1) entre un point mort haut (OT) et un point mort bas (UT). Un vilebrequin (5) est entraîné par le piston (2) au moyen d'une bielle (6). Le vilebrequin (5) est relié au rotor (7) d'un premier moteur électrique (8). Le rotor (7) du premier moteur électrique (8) coopère de manière électromagnétique avec un stator (10) du premier moteur électrique (8). Le stator (10) du premier moteur électrique (8) est relié à une première unité de conversion (11) pour le transfert bidirectionnel d'une d'énergie électrique. Le rotor (13) d'un second moteur électrique (14) est disposé sur le piston (2). Le stator (17) du second moteur électrique (14) est disposé sur le cylindre (1). Le rotor (13) du second moteur électrique (14) coopère de manière électromagnétique avec le stator (17) du second moteur électrique (14). Le stator (17) du second moteur électrique (14) est relié à une seconde unité de conversion (18) pour le transfert unidirectionnel ou bidirectionnel de l'énergie électrique. Les unités de conversion (11, 18) sont commandées par un dispositif de commande (19) commun aux unités de conversion (11, 18).
EP13709369.6A 2013-03-05 2013-03-05 Moteur à combustion interne pourvu d'un générateur linéaire et d'un générateur rotatif Withdrawn EP2964919A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2013/054398 WO2014135198A1 (fr) 2013-03-05 2013-03-05 Moteur à combustion interne pourvu d'un générateur linéaire et d'un générateur rotatif

Publications (1)

Publication Number Publication Date
EP2964919A1 true EP2964919A1 (fr) 2016-01-13

Family

ID=47884278

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13709369.6A Withdrawn EP2964919A1 (fr) 2013-03-05 2013-03-05 Moteur à combustion interne pourvu d'un générateur linéaire et d'un générateur rotatif

Country Status (6)

Country Link
US (1) US9885280B2 (fr)
EP (1) EP2964919A1 (fr)
CN (1) CN105189971A (fr)
BR (1) BR112015021360A2 (fr)
CA (1) CA2903899A1 (fr)
WO (1) WO2014135198A1 (fr)

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WO2018200367A1 (fr) * 2017-04-24 2018-11-01 General Electric Company Générateur d'énergie électrique à piston linéaire adaptatif relié
US11352942B2 (en) * 2017-12-19 2022-06-07 Ibrahim Hanna Four-stroke relative motion cylinder with dedicated compression space
US11248521B1 (en) * 2017-12-19 2022-02-15 Ibrahim Hanna Four stroke relative motion cylinder with dedicated compression space
EP3874135A4 (fr) * 2018-10-31 2022-04-27 Pinnacle Engines, Inc. Moteur à combustion interne hybride, à pistons opposés
CN111365205A (zh) * 2020-03-13 2020-07-03 北京理工大学 一种利用人体行走自发电装置及无线定位器
CN216306083U (zh) * 2020-07-16 2022-04-15 熵零技术逻辑工程院集团股份有限公司 一种发电系统及应用其的动力系统
US20240113644A1 (en) * 2020-11-05 2024-04-04 Mainspring Energy, Inc. Core synchronization for linear generators

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Also Published As

Publication number Publication date
CA2903899A1 (fr) 2014-09-12
US20160010544A1 (en) 2016-01-14
CN105189971A (zh) 2015-12-23
WO2014135198A1 (fr) 2014-09-12
US9885280B2 (en) 2018-02-06
BR112015021360A2 (pt) 2017-07-18

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