• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    In a power generating unit (1), which is designed in particular as a range extender for an electrically operated motor vehicle, an internal combustion engine (2), preferably a rotary piston engine, and in particular a rotary piston engine and a generator are arranged in a housing. The housing is configured so that the operating noise is acoustically shielded from the environment, wherein the housing has at least two parts (3a, 3b) which are detachably connected to each other. In particular, the housing may have at least one unit housing part (3a) and a cover housing part (3b), wherein the cover housing part (3b) is designed for detachable connection to the unit housing part (3a). The cover housing part (3b) can be designed to be lowerable, in particular, the cover housing part (3b) can be designed lowerable with a small number of disassembly steps.
    公开号:AT510858A4
    申请号:T1970/2010
    申请日:2010-11-25
    公开日:2012-07-15
    发明作者:Michael Dipl Ing Steinbauer；Karl Ing Stark；Christian Dipl Ing Hubmann
    申请人:Avl List Gmbh；
    IPC主号:
    专利说明:

    - 1 - 4 «f * # · · 56112
    The present invention relates to a power generator, which is particularly suitable for use as a range extender in electrically powered motor vehicles and which preferably has a rotary piston engine and in particular a rotary engine.
    In the following the invention will be described with reference to a range extender with a rotary engine in which a substantially triangular-shaped hoop rotates on an eccentric shaft arranged in a motor housing. However, the invention is also applicable to a rotary engine with two, four or more piston corners and can generally also in rotary piston engines, which have a concentric in the housing rotating piston used. Furthermore, the invention can also be used in rotary piston engines with two, three or more juxtaposed pistons.
    In the development of motor vehicles with electric drive, which for extending the range have a driven by an internal combustion engine generator (range extender), resulting in technical problems that had previously been of little importance in vehicle.
    In motor vehicles, which are driven in a conventional manner by an internal combustion engine, a reciprocating engine is mechanically connected via a transmission with the drive wheels while driving. While driving, the reciprocating engine constantly emits noises and vibrations, which are essentially influenced by the load and in particular by the rotational speed, which are not perceived as disturbing in these motor vehicles by the driver since they are directly related to the driving speed.
    In motor vehicles with electric drive and range extender, the internal combustion engine is usually started and stopped while driving without immediate action of the driver, preferably as a function of the battery state of charge. This is perceived by the driver as unpleasant.
    The object of the invention is to provide an improved power generator that takes these circumstances into account.
    This object is achieved by a device according to claim 1, the dependent subclaims relate to preferred developments of the invention.
    In a power generating unit, which is designed in particular as a range extender for an electrically operated motor vehicle, wherein an internal combustion engine, preferably a rotary piston engine, and in particular a rotary engine and a generator are arranged in a housing, this object is achieved in that the housing designed is that the operating noise is acoustically shielded from the environment, and that the housing has at least two parts which are detachably connected to each other. This refinement has the advantage that the driver perceived vibration and noise behavior (NVH) of the internal combustion engine, which is independent of the driving condition of the motor vehicle, is improved.
    The invention will be described with reference to an electric vehicle with a power generator, in particular for range extension. It should be noted that this presentation does not limit the application of the invention to such vehicles.
    Under a power generator is in the context of the invention means a device in which chemically bound energy, preferably by an exothermic reaction, first in mechanical and then converted into electrical power. Preferably, an internal combustion engine with internal combustion and more preferably a reciprocating or rotary piston engine is used to convert the chemically bound energy into mechanical power. To convert this mechanical power into electrical power, an electromechanical energy converter is preferably used.
    An electric vehicle is to be understood in the sense of the invention a motor vehicle, which is usually driven by at least one electric drive motor. Such an electric drive motor is preferably to be understood as an electromechanical energy converter, wherein electrical power can be converted into mechanical power by an electromechanical energy converter and vice versa. The electric power provided by the power generation unit is preferably used to extend the range of the electric vehicle.
    A range extender in the sense of the invention means a device which has an internal combustion engine and an electromechanical energy converter. In this case, the internal combustion engine and the electromechanical energy converter preferably have substantially the same nominal power. To extend the range of the electric vehicle preferably chemically bound energy is converted into mechanical power in the internal combustion engine and preferably transmitted directly to the electromechanical energy converter. In this electromechanical energy converter, the mechanical power is converted into electrical power and is then preferably stored in a stored in an electrical energy storage device and / or to at least one electric drive motor.
    Under a housing is in the spirit of the invention, at least one wall to understand, which surrounds the range extender at least partially. Preferably, the housing substantially completely surrounds or covers the range extender. The housing is designed to shield operating noise from the range extender. Preferably, the release of heat, which arises in particular during operation of the rank extender, on regions outside the housing, is influenced, preferably reduced, by the housing.
    gers or prevents. Further preferably, a housing has at least one air inlet. The housing preferably has as a component a plastic, a composite material or a metallic material.
    Preferably, the housing of the power generator has at least two housing parts. Further preferably, a housing part is designed as a unit housing part of these two housing parts and a second housing part as Abdeckgehäuseteil. The cover housing part is preferably intended to be dismantled and thus in particular to improve the accessibility to the power generation unit. The aggregate housing part may, but need not remain, connected to the power generator unit when the cover housing part is removed. Preferably, the unit housing part is configured for releasable connection with at least one Abdeckgehäuseteil.
    Preferably, in the power generator, the Abdeckgehäuseteil, removably designed, and in particular the Abdeckgehäuseteil is designed to be removable with a small number of disassembly steps. Further preferably, the Abdeckgehäuseteil is lowered. An advantage of the embodiment in this Ausführungsbeispiei is that during service and maintenance a quick access to the range extender can be achieved without disassembly of the entire system is necessary. Another advantage is that improved access to maintenance and service to the range extender can be achieved while maintaining good shielding characteristics.
    In one embodiment, the Abdeckgehäuseteil a tubular, preferably separable, and in particular two-part muffler sleeve, wherein the tubular muffler sleeve is configured for receiving an exhaust pipe, which can be coupled to an exhaust gas outlet of the internal combustion engine. An advantage of this embodiment is that the heat on the housing can be reduced, while the quick access options are maintained without disassembly of the entire system.
    According to a further Ausführungsbeispiei of the power generator, the unit housing part has a circumferential groove which is configured to receive an upper edge of the Abdeckgehäuseteils, or vice versa. An advantage of this embodiment is that better acoustic shielding can be achieved while maintaining fast accessibility.
    Furthermore, in the power generation unit, the unit housing part may have a frame which is designed to hold the internal combustion engine. Particularly preferably, the frame is formed in one piece with the internal combustion engine or with individual parts of the internal combustion engine. Preferably, the frame is formed integrally with a housing or with an oil pan of the internal combustion engine. An advantage of this embodiment is that thus a simple assembly / disassembly of the housing parts is made possible. Further preferably, the internal combustion engine can be movably mounted on the frame, if it is not formed integrally with the internal combustion engine, then it can be mounted on the frame.
    4 44 4444 · 44 4 4 4 * 4 • 4 444 · 4 4 * t 4 4 ··· ♦ · 4 4 «· · 444 4444 444 4 ♦♦♦ The frame is preferably movably connected to the vehicle. An advantage of this embodiment is that a possible vibration transmission can be reduced.
    Preferably, in the power generation unit, the cover housing part is fastened to the frame with fastening means. Preferably, the frame has two, three, four or more sections, which are designed to receive fastening means. Particularly preferably, the frame has at least four substantially vertically arranged frame members, whose lower ends are each designed to receive the fastening means. An advantage of this embodiment is a more stable design while maintaining fast accessibility.
    Alternatively, in the power generating unit, the cover housing part may be fixed to the internal combustion engine with mounting means. An advantage of this embodiment is that the number of components can be reduced.
    Furthermore, in the power generation unit, the substantially vertically arranged frame elements whose upper ends may each be designed for attachment to the unit housing part. An advantage of this embodiment is that the installation and removal of the range extender can be simplified.
    In addition, in the power generation unit, the unit housing part can be designed for direct or indirect connection to the motor vehicle via a suspension device.
    In a preferred embodiment, the internal combustion engine of the range extender is a rotary piston engine. More preferably, this rotary piston machine is a rotary piston engine, which is usually referred to as Wankel engine. In a particularly preferred embodiment, the rotary piston engine has two rotary pistons. Such an internal combustion engine is characterized in particular by a particularly low-vibration running. In particular, by this low-vibration running of the internal combustion engine little or no vibration or vibrations are transmitted to the motor vehicle and thus presented an improved power generation unit.
    Further advantages and features of the present invention will become apparent from the dependent claims and the following described embodiments. To show this, partially schematized:
    1 is a perspective view of a power generator with a range extender and a housing in an operative state, in which a Abdeckgehäuseteil is connected to an aggregate housing part,
    2 shows a perspective view of the power generation unit with the range extender and the housing in a maintenance state in which the cover housing part is lowered and not connected to the unit housing part,
    3 is a plan view of the Abdeckgehäuseteil of the power generator in the operative state, in which the Abdeckgehäuseteil is connected to the unit housing part, and
    4 shows an enlarged section of the region in which the cover housing part is connected to the unit housing part.
    Fig. 1 shows a perspective view of a power generator 1 with a range extender and a housing in an operational state. In this and the following embodiments, the Abdeckgehäuseteil is designed as a lower housing part and the unit housing part as the upper housing part. In a non-illustrated but also preferred embodiment, the upper housing part can be dismantled ausgestaitet as Ab-cover housing part and the lower housing part as a unit housing part. Fig. 1 shows a housing in which a lower housing part 3b is connected to an upper housing part 3a with fastening means 5. At the lower housing part 3b, a tubular, preferably separable, and in particular two-part silencer sleeve can be attached. The tubular silencer sleeve is configured to receive an exhaust pipe, not shown in this figure.
    Fig. 2 shows a perspective view of the power generating unit 1 with the range extender and the housing in a maintenance state in which the lower housing part 3b is lowered and not connected to the upper housing part 3a. By lowering the housing lower part in the maintenance state, a quick access to an internal combustion engine 2 is made possible, so that the maintenance and service work on the range extender can be performed more easily. As shown in FIG. 2, the internal combustion engine 2 can be held in a frame 4, preferably movably mounted. In the present embodiment, the frame 4 has four substantially vertically arranged frame members.
    Fig. 3 shows a plan view of the lower housing part 3b of the power generator 1 in the ready state, in which the lower housing part 3b is connected to the upper housing part 3a, wherein in the embodiment shown in the figure, the lower housing part 3b with fastening means 5 at the lower ends of the four in Substantially vertically arranged frame members are detachably connected.
    4 shows an enlarged detail of a possible embodiment of this releasable connection, in which the lower housing part 3b is detachably connected to the fastening means 5 with an insert 9 which is arranged on or in the lower end of one of the substantially vertically arranged frame elements. The frame members may be tubular to reduce possible vibration transmission. -6-
    # 999 9 m 9
    Reference numeral 1 Generating unit 2 Combustion engine 3a Aggregate housing part / housing upper part 3b Cover housing part / housing lower part 4 Frame 5 Fastening means 6 Schalidämpferhülse 7 circumferential groove of Gehäusoberteiis 8 Upper edge of the housing base 9 Insert for receiving fasteners
    权利要求:
    Claims (16)
    [1]
    -7- «· · ·············································································································································································································· 1. Generating unit (1), which is designed in particular as a range extender for an electrically operated motor vehicle, wherein an internal combustion engine (2), preferably a rotary piston engine, and in particular a rotary piston engine and a generator are arranged in a housing, characterized in that the housing is designed so that the operating noise is acoustically shielded from the environment, and that the housing has at least two parts (3a, 3b) which are detachably connected to each other.
    [2]
    2. Generating unit (1) according to claim 1, characterized in that the housing has at least one unit housing part (3a) and at least one Abdeckgehäuseteil (3b), wherein the Abdeckgehäuseteii (3b) for releasable connection with the unit housing part (3a) is configured.
    [3]
    3. Generating unit (1) according to claim 2, characterized in that the Abdeckgehäuseteii (3b) is designed to be removable, and in particular that the Abdeckgehäuseteii (3b) is designed to be removable with a small number of disassembly steps.
    [4]
    4. Generating unit (1) according to claim 2 or 3, characterized in that the Abdeckgehäuseteii (3b) has a tubular, preferably separable, and in particular two-part silencer sleeve (6), wherein the tubular silencer sleeve (6) is designed to receive an exhaust pipe, which can be coupled with an exhaust gas discharge of the internal combustion engine (2).
    [5]
    5. Generating unit (1) according to one of claims 2 to 4, characterized in that the unit housing part (3a) has a circumferential groove (7) which is adapted to receive an upper edge (8) of the Abdeckgehäuseteils (3b).
    [6]
    6. Generating unit (1) according to one of claims 2 to 5, characterized in that the unit housing part (3a) has a frame (4) which is designed to hold the internal combustion engine (2).
    [7]
    7. Generating unit (1) according to claim 6, characterized in that the frame (4) has tubular elements.
    [8]
    8. Generating unit (1) according to claim 6 or 7, characterized in that the internal combustion engine (2) on the frame (4) is movably mounted.
    [9]
    9. Generator set (1) according to any one of claims 6 to 8, characterized in that the Abdeckgehäuseteii (3b) is fastened with fastening means (5) on the frame (4). «·· # -8- ♦ ♦ · * * · · * ·
    [10]
    10. Generating unit (1) according to one of claims 6 to 9, characterized in that the frame (4) comprises at least four substantially vertically arranged frame members, whose lower ends are each formed for receiving the fastening means (5).
    [11]
    11. Generating unit (1) according to one of claims 1 to 5, characterized in that the frame is ausgebifdet in one piece with the internal combustion engine, in particular with individual parts of the internal combustion engine,
    [12]
    12. Generating unit (1) according to claim 10 or 11, characterized in that the substantially vertically arranged frame members are formed at their upper ends respectively for attachment to the unit housing part (3a).
    [13]
    13. Generating unit (1) according to one of claims 2 to 5, characterized in that the Abdeckgehäuseteil (3b) is fastened with fastening means (5) on the internal combustion engine (2).
    [14]
    14. Generating unit (1) according to one of claims 6 to 12, characterized in that the fastening means (5) comprise screws.
    [15]
    15. Generating unit (1) according to one of claims 2 to 13, characterized in that the unit housing part (3a) is designed for direct or indirect connection to the motor vehicle via a suspension device.
    [16]
    16. Motor vehicle with a power generator (1) according to one of claims 1 to 14. 2010 11 25 Patentanwaf Dipj.-Ing. Michael A-1150 Wftn, Marleh llftr < 3 Hl ·! Mi DUMM IN PW (MS f) IMM 333

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    同族专利:
    公开号 | 公开日
    WO2012069199A3|2012-11-15|
    AT510858B1|2012-07-15|
    WO2012069199A2|2012-05-31|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    JP2001289054A|2000-03-31|2001-10-19|Shin Daiwa Kogyo Co Ltd|Portable engine working machine|
    US20050179262A1|2004-02-18|2005-08-18|Wavecrest Laboratories, Llc|Portable range extender with autonomous control of starting and stopping operations|
    WO2010089347A2|2009-02-05|2010-08-12|Avl List Gmbh|Power generation apparatus|
    DE2246569A1|1972-09-22|1974-04-11|Eisemann Gmbh|CONTAINER FOR NOISE INSULATION FROM GENERATORS|
    DE3338633C1|1983-10-25|1985-05-15|Ludwig 4790 Paderborn Jacobs|Housing for heat-insulated fittings and / or flange connections|
    DE3713939C1|1987-04-25|1988-05-05|Ergo Tech Arbeitsplatztechnik|Monitor housing|
    DE3930901C2|1989-09-15|1998-12-17|Gnieser Gmbh Auto Technik|Machine unit|
    CH689260A5|1993-12-21|1999-01-15|Kurt Aregger|Sidecar Motorcycle.|
    JP3800372B2|1997-07-24|2006-07-26|本田技研工業株式会社|Engine generator|
    DE19802881B4|1998-01-27|2009-02-26|Deutz Ag|System fitted elastic mounting for a diesel generator|
    DE102008061295A1|2008-12-11|2010-06-24|Fev Motorentechnik Gmbh|Electric vehicle with increased range|DE102012221731A1|2012-11-28|2014-05-28|Robert Bosch Gmbh|Method and device for determining an operating strategy for a range extender of an electric vehicle|
    DE102014116302A1|2014-11-07|2016-05-12|Obrist Technologies Gmbh|hybrid vehicle|
    法律状态:
    优先权:
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    ATA1970/2010A|AT510858B1|2010-11-25|2010-11-25|DEVICE FOR EXTENDING THE RANGE OF AN ELECTRIC VEHICLE|ATA1970/2010A| AT510858B1|2010-11-25|2010-11-25|DEVICE FOR EXTENDING THE RANGE OF AN ELECTRIC VEHICLE|
    PCT/EP2011/005926| WO2012069199A2|2010-11-25|2011-11-24|Device for extending the range of an electric vehicle|
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