• 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:
    Internal combustion engine (10), with a plurality of cylinders (11), with at least one compressed air tank (16) which can be shut off by a respective valve (17), wherein compressed air stored in the or each compressed air tank (16) for starting up the internal combustion engine (10) is opened by opening the or each valve (17) is conductive in the direction of the cylinders (11) of the internal combustion engine to accelerate the run-up of the internal combustion engine.
    公开号:CH709872B1
    申请号:CH01684/15
    申请日:2014-06-04
    公开日:2018-05-31
    发明作者:Holand Peter；Zangerle Markus；Karner Stefan
    申请人:Man Diesel & Turbo Se；
    IPC主号:
    专利说明:

    Description: [0001] The invention relates to an internal combustion engine according to the preamble of claim 1. Furthermore, the invention relates to a method for operating an internal combustion engine.
    From practice, internal combustion engines are known with and without Abgasturboaufladung. In supercharged internal combustion engines, exhaust gas leaving the cylinders of the internal combustion engine is expanded in at least one turbine, in which case energy obtained in at least one compressor is used to compress charge air to be supplied to the cylinders of the internal combustion engine.
    When starting the engine, the engine must first run up. For this purpose, a defined period of time is required, depending on the type of construction of the internal combustion engine. It is advantageous if the time required to run the internal combustion engine is as short as possible. This is the case in particular with so-called offshore vessels in order to ensure the maneuverability of the ship within the shortest possible time.
    On this basis, the present invention has the object to provide a novel internal combustion engine. This object is achieved by an internal combustion engine according to claim 1. The internal combustion engine according to the invention has at least one compressed air reservoir that can be shut off by a valve, compressed air stored in the or each compressed air reservoir being able to be run by opening the or each valve in the direction of the cylinders in order to accelerate the running-up of the internal combustion engine.
    With the internal combustion engine according to the invention, the time required for starting up the internal combustion engine can be minimized.
    In an internal combustion engine without Abgasturboaufladung the compressed air is introduced into a leading to the cylinders of the internal combustion engine charge air line and / or directly into the cylinder of the internal combustion engine.
    In an internal combustion engine with turbocharging the compressed air is additionally or alternatively in a running between a compressor of the supercharger and a charge air cooler of the supercharger Charging air supply and / or directly introduced into a compressor of the supercharger.
    The method for operating the internal combustion engine is defined in claim 8.
    Preferably, at the same time for opening the or each valve of the or each Druckluftbeh Lters a fuel supply to the internal combustion engine is increased to accelerate the run-up of the internal combustion engine.
    Preferred embodiments of the invention will become apparent from the dependent claims and the description below. Embodiments of the invention will be explained in more detail with reference to the drawing without, however, being limited thereto.
    It shows: [0011]
    Fig. 1: a diagram of a first inventive internal combustion engine;
    2 shows a diagram of a second internal combustion engine according to the invention;
    3 shows a diagram of a third internal combustion engine according to the invention;
    4 shows a diagram of a fourth internal combustion engine according to the invention;
    5 shows a diagram of a fifth internal combustion engine according to the invention; and FIG. 6 shows a diagram of a sixth internal combustion engine according to the invention.
    The present invention relates to an internal combustion engine and a method for operating an internal combustion engine.
    FIG. 1 shows a first exemplary embodiment of an internal combustion engine 10 according to the invention, which comprises a plurality of cylinders 11 and a charging device 12. The charging device 12 has a turbine 13, in which exhaust gas leaving the cylinders 11 of the internal combustion engine 10 is released. In the relaxation of the exhaust gas in the turbine 13 recovered energy is used in a compressor 14 of the supercharger 12 to compress the cylinders 11 to be supplied charge air in the compressor 14. Between the compressor 14 of the supercharger 12 and the cylinder 11 of the internal combustion engine 10 while a charge air cooler 15 of the supercharger 12 is connected to cool the compressed charge air before the introduction of the same into the cylinder 11 of the internal combustion engine 10.
    The internal combustion engine 10 of FIG. 1 has a pressure vessel 16, which is associated with a valve 17, wherein when the valve 17 is closed, in the pressure vessel 16 held-ready compressed air can not escape from the pressure vessel 16. On the other hand, when the valve 17 is opened, the compressed air stored in the pressure vessel 16 can escape from the same.
    For the purposes of the present invention, the run-up of the internal combustion engine 10, the compressed air stored in the pressure vessel 16 by opening the valve 17 in the direction of the cylinder 11 of the internal combustion engine 10 can be conducted to accelerate the run-up of the internal combustion engine 10. It is provided in the embodiment of FIG. 1, to introduce the compressed air directly into the compressor 14 of the charging device 12.
    Simultaneously with the opening of the valve 17 of the compressed air tank 16, a fuel supply to the engine 10 is increased to accelerate the running up of the engine.
    The opening of the valve 17 of the compressed air tank 16 and thus the directing of the compressed air in the direction of the cylinder 11 of the internal combustion engine 10 and increasing the fuel supply to the internal combustion engine 10 preferably takes place directly with or immediately after activation of a starting device of the internal combustion engine 10th
    Fig. 2 shows an alternative embodiment of an internal combustion engine 10 according to the invention, in which for accelerating the run-up of the internal combustion engine 10, the stored in the pressure vessel 16 compressed air by opening the valve 17 in a charge air line 18 can be introduced, extending between the compressor 14 and the intercooler 15 of the charging device 12 extends. Simultaneously with the opening of the valve 17 of the Druckluftbeh Lters 16, a fuel supply to the engine 10 is increased to accelerate the run-up of the internal combustion engine 10.
    3 shows a further variant of an internal combustion engine 10 according to the invention, in which the compressed air stored in the pressure reservoir 16 can be introduced with an open valve 17 to accelerate the run-up of the internal combustion engine 10 on the one hand into a charge air line 19 which extends between the charge air cooler 15 and the cylinders 11 of the internal combustion engine extends, and on the other hand can be indirectly introduced into the cylinder 11 of the internal combustion engine 10 on the other hand. Alternatively, it is also possible to introduce the compressed air either exclusively indirectly into the cylinder 11 or into the charge air line 19. Simultaneously with the opening of the valve 17 of the compressed-air reservoir 16, a fuel supply to the internal combustion engine 10 is increased in order to accelerate the run-up of the internal combustion engine 10.
    4 shows a variant of the invention in which the compressed air stored in the pressure vessel 16 can be introduced with the valve 17 open on the one hand directly into the compressor 14 of the charging device 12 and on the other hand into the charge air line 19 extending between the charge air cooler 15 and the cylinders 11, to accelerate the run-up of the internal combustion engine. Alternatively, it is also possible to introduce the compressed air either exclusively indirectly in the compressor 14 or in the charge air line 19. Simultaneously with the opening of the valve 17 of the Druckluftbe- holder 16, a fuel supply to the internal combustion engine 10 is increased to accelerate the run-up of the internal combustion engine 10.
    Fig. 5 shows a variant in which the compressed air stored in the pressure vessel 16 can be passed with open valve 17 via four paths in the direction of the cylinder 11, namely directly into the compressor 14 of the charging device 12, in the charge air lines It should be noted at this point that any combination of these feed points for the compressed air can be used. It is thus possible to introduce or introduce the compressed air stored in the pressure vessel 16 into the charge air at one, at any two, at any three or at all four feed points shown in FIG. 5, in order to then supply the compressed air for accelerating the run-up of the To direct internal combustion engine 10 in the direction of the cylinder 11 of the internal combustion engine 10. Simultaneously with the opening of the valve 17 of the Druckluftbeh Lters 16, a fuel supply to the internal combustion engine 10 is increased.
    Each of the internal combustion engines of FIGS. 1 to 5 is supercharged internal combustion engines, the supercharging device 12 of which comprises a single exhaust-gas turbocharger with a turbine 13 and a compressor 14. In contrast to this, it is also possible that the charging device 12 is formed in multiple stages, that is, a plurality of exhaust gas turbocharger and thus comprises a plurality of turbines and a plurality of compressors.
    Similarly, the invention according to FIG. 6 can be used on a non-supercharged internal combustion engine 10, wherein in such a non-supercharged internal combustion engine 10 to accelerate the run-up of the same in the pressure-tank 16 held ready compressed air with the valve 17 open in the direction of the cylinder 11th The internal combustion engine 10 is passed, namely according to FIG. 6 in a leading to the cylinders 11 charge air line 20 and / or directly into the cylinder 11th
    In contrast to the embodiments shown, more than one pressure vessel 16 may be present. Thus, it is possible to assign each feed point for the compressed air a separate pressure vessel 16 with a separate valve 17. It is also possible to assign a common valve 17 to a plurality of pressure vessels 16.
    To accelerate a run-up of an internal combustion engine 10 with a plurality of cylinders 11 is thus compressed air, which is stored in at least one Druckluftbehäll 16, directed toward the cylinder 11 of the internal combustion engine 10. Simultaneously with the opening of the valve 17 of the Druckluftbehàlters 16 is preferably a Kraftstoffzu-drove to the cylinders 11 of the engine 10 is increased.
    The pressure level of the compressed air, which is directed to accelerate the run-up of the internal combustion engine 10 in the direction of the cylinder 11 thereof, in particular between 5 bar and 30 bar.
    权利要求:
    Claims (9)
    [1]
    1. internal combustion engine, with a plurality of cylinders (11), characterized by at least one of a valve (17) shut-off Druckluftbehâlter (16), wherein the run-up of the internal combustion engine in the or each compressed air tank (16) stored compressed air by opening the or each Valve (17) in the direction of the cylinder (11) of the internal combustion engine is conductive, in order to accelerate the run-up of the internal combustion engine.
    [2]
    2. Internal combustion engine according to claim 1, characterized in that it comprises a at least one-stage Aufla-tion device (12), wherein the charging device (12) at least one turbine (13) for relaxing the cylinder (11) leaving the exhaust gas and at least one compressor ( 14) for compressing the cylinders (11) to be supplied charge air.
    [3]
    3. Internal combustion engine according to claim 1 or 2, characterized in that the compressed air directly into the cylinder (11) can be introduced.
    [4]
    4. Internal combustion engine according to one of claims 1 to 3, characterized in that the compressed air in a to the cylinders (11) leading charge air line (19, 20) can be introduced.
    [5]
    5. Internal combustion engine according to one of claims 2 to 4, characterized in that the compressed air directly into the compressor (14) of the charging device (12) can be introduced.
    [6]
    6. Internal combustion engine according to one of claims 2 to 5, characterized in that the compressed air in a between the compressor (14) of the charging device (12) and a charge air cooler (15) of the charging device (12) extending charge air line (18) can be introduced.
    [7]
    7. Internal combustion engine according to one of claims 1 to 6, characterized in that it is a marine diesel engine.
    [8]
    8. A method for operating an internal combustion engine (10) having a plurality of cylinders (12) according to one of claims 1 to 7, wherein the run-up of the internal combustion engine in the or each Druckluftbehäslter (16) stored compressed air in the direction of the cylinder (12) of the internal combustion engine ( 10) is passed to accelerate the run-up of the internal combustion engine (10).
    [9]
    9. The method according to claim 8, characterized in that further at the same time for opening the valve, a fuel supply to the internal combustion engine (10) is increased in order to accelerate the run-up of the internal combustion engine (10).
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    引用文献:
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    法律状态:
    2017-09-29| PCAR| Change of the address of the representative|Free format text: NEW ADDRESS: BELLERIVESTRASSE 203 POSTFACH, 8034 ZUERICH (CH) |
    2018-11-30| PFA| Name/firm changed|Owner name: MAN ENERGY SOLUTIONS SE, DE Free format text: FORMER OWNER: MAN DIESEL AND TURBO SE, DE |
    优先权:
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    DE102013009430.5A|DE102013009430A1|2013-06-05|2013-06-05|Internal combustion engine and method for operating the same|
    PCT/EP2014/061552|WO2014195345A1|2013-06-05|2014-06-04|Internal combustion engine and method for operating same|
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