JP6897552B2 - 内燃機関の制御装置 - Google Patents
内燃機関の制御装置 Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
- F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
- F02D35/027—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions using knock sensors
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- 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
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
- F02D35/0015—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for using exhaust gas sensors
- F02D35/0046—Controlling fuel supply
- F02D35/0092—Controlling fuel supply by means of fuel injection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
- F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
- F02D35/023—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining the cylinder pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
- F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
- F02D35/028—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining the combustion timing or phasing
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- 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
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/003—Adding fuel vapours, e.g. drawn from engine fuel reservoir
- F02D41/0045—Estimating, calculating or determining the purging rate, amount, flow or concentration
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- 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
- F02D41/30—Controlling fuel injection
- F02D41/3011—Controlling fuel injection according to or using specific or several modes of combustion
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- 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
- F02D41/30—Controlling fuel injection
- F02D41/3082—Control of electrical fuel pumps
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- 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
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
- F02D41/401—Controlling injection timing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D45/00—Electrical control not provided for in groups F02D41/00 - F02D43/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P17/00—Testing of ignition installations, e.g. in combination with adjusting; Testing of ignition timing in compression-ignition engines
- F02P17/02—Checking or adjusting ignition timing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
- G01L23/22—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
- G01M15/12—Testing internal-combustion engines by monitoring vibrations
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- 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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
- F02D2041/1413—Controller structures or design
- F02D2041/1432—Controller structures or design the system including a filter, e.g. a low pass or high pass filter
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- 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
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
- F02D41/28—Interface circuits
- F02D2041/281—Interface circuits between sensors and control unit
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- 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
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D2041/389—Controlling fuel injection of the high pressure type for injecting directly into the cylinder
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/0618—Actual fuel injection timing or delay, e.g. determined from fuel pressure drop
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
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- 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
- F02D41/30—Controlling fuel injection
- F02D41/3094—Controlling fuel injection the fuel injection being effected by at least two different injectors, e.g. one in the intake manifold and one in the cylinder
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/14—Arrangements of injectors with respect to engines; Mounting of injectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
- F02M69/46—Details, component parts or accessories not provided for in, or of interest apart from, the apparatus covered by groups F02M69/02 - F02M69/44
- F02M69/50—Arrangement of fuel distributors, e.g. with means for supplying equal portion of metered fuel to injectors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
図1は、本発明の第1実施形態による内燃機関100及び内燃機関100を制御する電子制御ユニット200の概略構成図である。図2は、内燃機関100の機関本体1の断面図である。
次に本発明の第2実施形態について説明する。本実施形態は、機関回転速度に応じてバンドパスフィルタのバンド幅、すなわち特定周波数帯域を変化させる点で、第1実施形態と相違する。
次に本発明の第3実施形態について説明する。本実施形態は、燃焼振動波形の中で、要求トルクを発生させるための燃料が燃焼したときの振動部分(以下「主振動部分」という。)を特定して着火時期を検出する点で、第1実施形態と相違する。以下、その相違点を中心に説明する。
燃焼判定閾値を小さくして着火時期の検出精度を向上させることができる。
次に本発明の第4実施形態について説明する。本実施形態では、所定の運転領域において、予混合圧縮自着火燃焼(Premix Charged Compressive Ignition)を実施して機関本体1の運転を行う点で第1実施形態と相違する。以下、その相違点を中心に説明する。
次に、本発明の第5実施形態について説明する。本実施形態は、燃焼形態を判別し、燃焼形態に応じて燃焼判定閾値を変更する点で、第4実施形態と相違する。以下、その相違点を中心に説明する。
次に、本発明の第5実施形態について説明する。本実施形態は、燃焼形態の判別方法が第5実施形態と相違する。以下、その相違点を中心に説明する。
次に、本発明の第7実施形態について説明する。本実施形態は、着火時期偏差ΔCの移動平均値に基づいて、燃焼振動レベルを補正する点で、第1実施形態と相違する。以下、その相違点を中心に説明する。
20 燃料噴射弁
100 内燃機関
200 電子制御ユニット(制御装置)
210 ノックセンサ(振動センサ)
Claims (8)
- 機関本体と、
前記機関本体の燃焼室内に燃料を噴射する燃料噴射弁と、
前記機関本体の振動を検出する振動センサと、
を備える内燃機関を制御するための内燃機関の制御装置であって、
前記燃料噴射弁から噴射する燃料の噴射量、及び噴射時期を、機関運転状態に基づいて設定された目標噴射量、及び目標噴射時期に制御する燃料噴射制御部と、
特定周波数帯域における前記機関本体の振動成分に基づいて、燃料の着火時期を検出する着火時期検出部と、
を備え、
前記燃料噴射制御部は、
前記着火時期検出部によって検出した着火時期と、機関運転状態に応じた目標着火時期と、の偏差に基づいて、前記目標噴射量、及び前記目標噴射時期の一方、又は双方を補正するように構成され、
前記特定周波数帯域は、
前記機関本体が弾性振動する周波数帯域の低周波側の帯域であって、前記振動センサによって検出される、前記機関本体が燃焼圧力を受けることによって生じる燃焼振動成分とクランクシャフトの回転に起因して生じる機械振動成分とを含む振動成分の中で、前記燃焼振動成分の割合が所定値以上となる帯域とされる、
内燃機関の制御装置。 - 前記特定周波数帯域は、
0.1kHzから1.8kHzまでの周波数帯域である、
請求項1に記載の内燃機関の制御装置。 - 前記特定周波数帯域は、
0.2kHzから0.8kHzまでの周波数帯域である、
請求項1に記載の内燃機関の制御装置。 - 前記着火時期検出部は、
機関回転速度が高くなるほど、前記特定周波数帯域を狭くする、
請求項1から請求項3までのいずれか1項に記載の内燃機関の制御装置。 - 前記着火時期検出部は、
特定周波数帯域における前記機関本体の振動成分に基づいて、前記燃焼振動成分と前記機械振動成分とを含む前記機関本体の振動レベルを算出し、
機関運転状態に基づいて、前記機械振動成分のみを含む前記機関本体の機械振動レベルを算出し、
前記振動レベルから前記機械振動レベルを減算して燃焼振動レベルを算出し、
前記燃焼振動レベルが所定の燃焼判定閾値以上になった時期を燃料の着火時期として検出する、
請求項1から請求項4までのいずれか1項に記載の内燃機関の制御装置。 - 前記着火時期検出部は、
複数の閾値を用いて単純化した各クランク角における前記燃焼振動レベルの波形に基づいて、要求トルクを発生させるための燃料が燃焼したときの主振動部分を特定し、当該主振動部分において前記燃焼振動レベルが前記燃焼判定閾値以上になった時期を燃料の着火時期として検出する、
請求項5に記載の内燃機関の制御装置。 - 前記燃料噴射制御部は、
低負荷側の運転領域で燃料が予混合圧縮自着火燃焼を起こし、高負荷側の運転領域で燃料が拡散燃焼を起こすように、前記燃料噴射弁から噴射する燃料の噴射量、及び噴射時期を制御し、
前記着火時期検出部は、
燃料を予混合圧縮自着火燃焼させる場合は、燃料を拡散燃焼させる場合よりも前記燃焼判定閾値を小さくする、
請求項5に記載の内燃機関の制御装置。 - 前記着火時期検出部は、
前記偏差の短期間に亘る移動平均値と、前記偏差の長期間に亘る移動平均値と、に基づいて、前記燃焼振動レベルを補正する、
請求項5に記載の内燃機関の制御装置。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
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JP2017249787A JP6897552B2 (ja) | 2017-12-26 | 2017-12-26 | 内燃機関の制御装置 |
BR102018073933-6A BR102018073933A2 (pt) | 2017-12-26 | 2018-11-22 | Dispositivo de controle para motor de combustão interna e método de controle para motor de combustão interna |
KR1020180147279A KR102078231B1 (ko) | 2017-12-26 | 2018-11-26 | 내연 기관을 위한 제어 장치 및 내연 기관의 제어 방법 |
RU2018142310A RU2708749C1 (ru) | 2017-12-26 | 2018-11-30 | Устройство управления для двигателя внутреннего сгорания и способ управления для двигателя внутреннего сгорания |
US16/207,417 US10619579B2 (en) | 2017-12-26 | 2018-12-03 | Control device for internal combustion engine and control method for internal combustion engine |
EP18210632.8A EP3505744B1 (en) | 2017-12-26 | 2018-12-06 | Control device for internal combustion engine and control method for internal combustion engine |
CN201811581624.1A CN109958541B (zh) | 2017-12-26 | 2018-12-24 | 用于内燃机的控制装置及内燃机的控制方法 |
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JP6897552B2 true JP6897552B2 (ja) | 2021-06-30 |
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EP (1) | EP3505744B1 (ja) |
JP (1) | JP6897552B2 (ja) |
KR (1) | KR102078231B1 (ja) |
CN (1) | CN109958541B (ja) |
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RU (1) | RU2708749C1 (ja) |
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US10544749B1 (en) * | 2018-10-11 | 2020-01-28 | Delphi Technologies Ip Limited | Internal combustion engine control method |
FR3100569B1 (fr) * | 2019-09-11 | 2022-07-01 | Delphi Automotive Systems Lux | Procédé de détermination de caractéristiques d’ouverture d’un injecteur de carburant |
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KR930009907B1 (ko) * | 1988-10-04 | 1993-10-13 | 미쯔비시 덴끼 가부시끼가이샤 | 내연기관 제어장치 |
JPH03124969A (ja) * | 1989-10-09 | 1991-05-28 | Nippondenso Co Ltd | エンジン失火検出装置 |
JPH0417142U (ja) * | 1990-05-31 | 1992-02-13 | ||
JP4158335B2 (ja) * | 2000-12-11 | 2008-10-01 | 日産自動車株式会社 | エンジンの騒音検出装置 |
JP4086602B2 (ja) * | 2002-09-17 | 2008-05-14 | 株式会社日立製作所 | 多気筒エンジンの制御装置及び制御方法 |
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EP3505744B1 (en) | 2021-07-21 |
KR102078231B1 (ko) | 2020-02-17 |
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BR102018073933A2 (pt) | 2019-09-17 |
KR20190078487A (ko) | 2019-07-04 |
US20190195148A1 (en) | 2019-06-27 |
US10619579B2 (en) | 2020-04-14 |
CN109958541B (zh) | 2022-04-29 |
EP3505744A1 (en) | 2019-07-03 |
RU2708749C1 (ru) | 2019-12-11 |
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