AT512624A3 - Free-piston linear generator with strong electrical-mechanical coupling - Google Patents

Free-piston linear generator with strong electrical-mechanical coupling Download PDF

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Publication number
AT512624A3
AT512624A3 ATA286/2012A AT2862012A AT512624A3 AT 512624 A3 AT512624 A3 AT 512624A3 AT 2862012 A AT2862012 A AT 2862012A AT 512624 A3 AT512624 A3 AT 512624A3
Authority
AT
Austria
Prior art keywords
pistons
coil arrangement
linear generator
combustion chamber
piston
Prior art date
Application number
ATA286/2012A
Other languages
German (de)
Other versions
AT512624A2 (en
Inventor
Andrej Dipl Ing Golubkov
Original Assignee
Kompetenzzentrum Das Virtuelle Fahrzeug Forschungsgmbh
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 Kompetenzzentrum Das Virtuelle Fahrzeug Forschungsgmbh filed Critical Kompetenzzentrum Das Virtuelle Fahrzeug Forschungsgmbh
Priority to ATA286/2012A priority Critical patent/AT512624A3/en
Publication of AT512624A2 publication Critical patent/AT512624A2/en
Publication of AT512624A3 publication Critical patent/AT512624A3/en

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
    • F02B71/00—Free-piston engines; Engines without rotary main shaft
    • F02B71/04—Adaptations of such engines for special use; Combinations of such engines with apparatus driven thereby
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B23/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01B23/10—Adaptations for driving, or combinations with, electric generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D43/00—Conjoint electrical control of two or more functions, e.g. ignition, fuel-air mixture, recirculation, supercharging or exhaust-gas treatment
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
    • 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
    • H02K7/1884—Linear generators; sectional generators with reciprocating, linearly oscillating or vibrating parts structurally associated with free piston engines

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

Ein Lineargenerator für ein Fahrzeug mit einem Verbrennungsraum (3) zwischen zwei einander gegenläufigen Kolben (2a, 2b) in einem Zylinder (1). Die Kolben (2a, 2b) tragen an ihrer Peripherie Permanentmagnete (8) und bewegen sich innerhalb einer Spulenanordnung mit Wicklungskörpern (9a, 9b) hin und her. Der Verbrennungsraum (3) ist mit einer Einspritzdüse (7), einer Zündkerze (6) einem elektrisch angesteuerten Einlassventil (4) und einem elektrisch angesteuerten Auslassventil (5) ausgestattet. Der Aus und Einlasstakt kann, zwecks Temperaturregelung, durch zeitliche Pausen getrennt werden. Die Spulen dieser Spulenanordnung werden mittels einer Regeleinrichtung (14) unter Zuhilfenahme von Positionssensoren (10a, 10b), oder statt diesen mit einer weiteren Recheneinheit die aus der Spulenanordnung die Kolbenposition ermittelt, individuell angesteuert. Die Polteilung der Spulenanordnung und die der Kolbenpole sind, zwecks Geräuschminderung, unterschiedlich ausgeführt. Zur Entlastung des Umrichters (11) sind im Bereich der äußeren Umkehrpunkte der Kolben Luftfedern (15a, 15b) vorgesehen, welche die kinetische Energie der Kolben (2a, 2b) bei der Bewegung nach innen zurück liefern.A linear generator for a vehicle having a combustion chamber (3) between two mutually opposed pistons (2a, 2b) in a cylinder (1). The pistons (2a, 2b) carry on their periphery permanent magnets (8) and move within a coil arrangement with winding bodies (9a, 9b) back and forth. The combustion chamber (3) is equipped with an injection nozzle (7), a spark plug (6) an electrically controlled inlet valve (4) and an electrically controlled outlet valve (5). The off and intake stroke can, for the purpose of temperature control, be separated by time intervals. The coils of this coil arrangement are individually controlled by means of a control device (14) with the aid of position sensors (10a, 10b), or instead of these with a further computing unit which determines the piston position from the coil arrangement. The pole pitch of the coil assembly and the piston poles are designed differently for noise reduction. To relieve the converter (11), air springs (15a, 15b) are provided in the region of the outer points of reversal of the pistons, which return the kinetic energy of the pistons (2a, 2b) to the inside during the movement.

ATA286/2012A 2012-03-06 2012-03-06 Free-piston linear generator with strong electrical-mechanical coupling AT512624A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ATA286/2012A AT512624A3 (en) 2012-03-06 2012-03-06 Free-piston linear generator with strong electrical-mechanical coupling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA286/2012A AT512624A3 (en) 2012-03-06 2012-03-06 Free-piston linear generator with strong electrical-mechanical coupling

Publications (2)

Publication Number Publication Date
AT512624A2 AT512624A2 (en) 2013-09-15
AT512624A3 true AT512624A3 (en) 2015-12-15

Family

ID=49111650

Family Applications (1)

Application Number Title Priority Date Filing Date
ATA286/2012A AT512624A3 (en) 2012-03-06 2012-03-06 Free-piston linear generator with strong electrical-mechanical coupling

Country Status (1)

Country Link
AT (1) AT512624A3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014010679A1 (en) 2014-07-22 2016-01-28 Elektron Systeme Und Komponenten Gmbh & Co. Kg Partialgenerator
DE102014214187A1 (en) * 2014-07-22 2016-01-28 Bayerische Motoren Werke Aktiengesellschaft Method for operating a power generation unit and range extender

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001045977A2 (en) * 1999-12-22 2001-06-28 Abb Ab A device including a combustion engine, a use of the device, and a vehicle
WO2001049999A1 (en) * 1999-12-30 2001-07-12 Honeywell Inc. Microcombustion engine/generator
US20060124083A1 (en) * 2004-12-15 2006-06-15 Denso Corporation Control device for free piston engine and method for the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001045977A2 (en) * 1999-12-22 2001-06-28 Abb Ab A device including a combustion engine, a use of the device, and a vehicle
WO2001049999A1 (en) * 1999-12-30 2001-07-12 Honeywell Inc. Microcombustion engine/generator
US20060124083A1 (en) * 2004-12-15 2006-06-15 Denso Corporation Control device for free piston engine and method for the same

Also Published As

Publication number Publication date
AT512624A2 (en) 2013-09-15

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