RU2012103044A - INTERNAL COMBUSTION ENGINE POWER SYSTEM - Google Patents

INTERNAL COMBUSTION ENGINE POWER SYSTEM Download PDF

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Publication number
RU2012103044A
RU2012103044A RU2012103044/06A RU2012103044A RU2012103044A RU 2012103044 A RU2012103044 A RU 2012103044A RU 2012103044/06 A RU2012103044/06 A RU 2012103044/06A RU 2012103044 A RU2012103044 A RU 2012103044A RU 2012103044 A RU2012103044 A RU 2012103044A
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RU
Russia
Prior art keywords
fuel
power supply
supply system
pump
pressure
Prior art date
Application number
RU2012103044/06A
Other languages
Russian (ru)
Other versions
RU2556470C2 (en
Inventor
Кристиан ЛАНГЕНБАХ
Ахим КЁЛЕР
Йенс ГРИБ
Original Assignee
Роберт Бош Гмбх
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Publication of RU2012103044A publication Critical patent/RU2012103044A/en
Application granted granted Critical
Publication of RU2556470C2 publication Critical patent/RU2556470C2/en

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Classifications

    • 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
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/20—Varying fuel delivery in quantity or timing
    • F02M59/205—Quantity of fuel admitted to pumping elements being metered by an auxiliary metering device
    • 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0011—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor
    • F02M37/0023—Valves in the fuel supply and return system
    • F02M37/0029—Pressure regulator in the low pressure fuel system
    • 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0047—Layout or arrangement of systems for feeding fuel
    • F02M37/0052—Details on the fuel return circuit; Arrangement of pressure regulators
    • F02M37/0058—Returnless fuel systems, i.e. the fuel return lines are not entering the fuel tank
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
    • F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
    • 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
    • F02M69/54—Arrangement of fuel pressure regulators

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

1. Система (10) питания двигателя (12) внутреннего сгорания, прежде всего для автомобиля, имеющая топливоподкачивающий насос (26), насос (30) высокого давления, расположенный в гидросистеме между топливоподкачивающим насосом (26) и насосом (30) высокого давления дозатор (36) и топливопровод (38) нулевой подачи для отвода утечек топлива, просачивающегося через дозатор (36), отличающаяся тем, что в топливопроводе (38) нулевой подачи или на его нижнем по ходу потока топлива конце расположены всасывающие средства (40).2. Система (10) питания по п.1, отличающаяся тем, что всасывающие средства представляют собой сопло (40) Вентури.3. Система (10) питания по п.2, отличающаяся тем, что она имеет регулирующий давление клапан (52), который предназначен для регулирования давления в расположенной между топливоподкачивающим насосом (26) и насосом (30) высокого давления части низкого давления и в ведущем от которого перепускном топливопроводе (54, 58) расположено сопло (40) Вентури.4. Система (10) питания по п.3, отличающаяся тем, что перепускной топливопровод (58) оканчивается в подводящем топливопроводе (22), ведущем к топливоподкачивающему насосу (26).5. Система (10) питания по п.3, отличающаяся тем, что перепускной топливопровод оканчивается в сливном топливопроводе (54).6. Система (10) питания по п.2, отличающаяся тем, что она имеет регулирующий давление клапан (52), который предназначен для регулирования давления в расположенной между топливоподкачивающим насосом (26) и насосом (30) высокого давления части низкого давления и в ведущем к которому подводящем топливопроводе (34) расположено сопло (40) Вентури.7. Система (10) питания по п.6, отличающаяся тем, что подводящий топливопров1. The power supply system (10) of the internal combustion engine (12), primarily for a car, having a fuel priming pump (26), a high pressure pump (30) located in the hydraulic system between the fuel priming pump (26) and the high pressure pump (30) (36) and a zero flow fuel pipe (38) to divert fuel leaks leaking through the dispenser (36), characterized in that suction means (40) are located in the zero flow fuel pipe (38) or at its lower end along the fuel flow stream. . The power supply system (10) according to claim 1, characterized in that the suction means is a Venturi nozzle (40). 3. The power supply system (10) according to claim 2, characterized in that it has a pressure regulating valve (52), which is designed to control the pressure in the low pressure part located between the fuel priming pump (26) and the high pressure pump (30) and in the leading of which a venturi nozzle (40) is located on the bypass fuel line (54, 58). 4. The power supply system (10) according to claim 3, characterized in that the fuel bypass pipe (58) terminates in the fuel supply pipe (22) leading to the fuel priming pump (26) .5. The power supply system (10) according to claim 3, characterized in that the bypass fuel pipe ends in a drain fuel pipe (54) .6. The power supply system (10) according to claim 2, characterized in that it has a pressure control valve (52), which is designed to control the pressure in the low pressure part located between the fuel priming pump (26) and the high pressure pump (30) and leading to to which the fuel nozzle (34) is located Venturi nozzle (40). 7. The power supply system (10) according to claim 6, characterized in that the fuel supply line

Claims (10)

1. Система (10) питания двигателя (12) внутреннего сгорания, прежде всего для автомобиля, имеющая топливоподкачивающий насос (26), насос (30) высокого давления, расположенный в гидросистеме между топливоподкачивающим насосом (26) и насосом (30) высокого давления дозатор (36) и топливопровод (38) нулевой подачи для отвода утечек топлива, просачивающегося через дозатор (36), отличающаяся тем, что в топливопроводе (38) нулевой подачи или на его нижнем по ходу потока топлива конце расположены всасывающие средства (40).1. The power supply system (10) of the internal combustion engine (12), primarily for a car, having a fuel priming pump (26), a high pressure pump (30) located in the hydraulic system between the fuel priming pump (26) and the high pressure pump (30) (36) and a zero flow fuel pipe (38) to divert fuel leaks leaking through the dispenser (36), characterized in that suction means (40) are located in the zero flow fuel pipe (38) or at its lower end in the direction of fuel flow. 2. Система (10) питания по п.1, отличающаяся тем, что всасывающие средства представляют собой сопло (40) Вентури.2. The power supply system (10) according to claim 1, characterized in that the suction means is a venturi nozzle (40). 3. Система (10) питания по п.2, отличающаяся тем, что она имеет регулирующий давление клапан (52), который предназначен для регулирования давления в расположенной между топливоподкачивающим насосом (26) и насосом (30) высокого давления части низкого давления и в ведущем от которого перепускном топливопроводе (54, 58) расположено сопло (40) Вентури.3. The power supply system (10) according to claim 2, characterized in that it has a pressure regulating valve (52), which is designed to control the pressure in the low pressure part located between the fuel priming pump (26) and the high pressure pump (30) and leading from which a bypass fuel line (54, 58) is a venturi nozzle (40). 4. Система (10) питания по п.3, отличающаяся тем, что перепускной топливопровод (58) оканчивается в подводящем топливопроводе (22), ведущем к топливоподкачивающему насосу (26).4. The power supply system (10) according to claim 3, characterized in that the fuel bypass pipe (58) terminates in the fuel supply pipe (22) leading to the fuel priming pump (26). 5. Система (10) питания по п.3, отличающаяся тем, что перепускной топливопровод оканчивается в сливном топливопроводе (54).5. The power supply system (10) according to claim 3, characterized in that the bypass fuel pipe ends in a drain fuel pipe (54). 6. Система (10) питания по п.2, отличающаяся тем, что она имеет регулирующий давление клапан (52), который предназначен для регулирования давления в расположенной между топливоподкачивающим насосом (26) и насосом (30) высокого давления части низкого давления и в ведущем к которому подводящем топливопроводе (34) расположено сопло (40) Вентури.6. The power supply system (10) according to claim 2, characterized in that it has a pressure regulating valve (52), which is designed to regulate the pressure in the low pressure part located between the fuel priming pump (26) and the high pressure pump (30) and in leading to which the fuel supply line (34) is a venturi nozzle (40). 7. Система (10) питания по п.6, отличающаяся тем, что подводящий топливопровод (34) является частью трубопровода контура смазывания и/или охлаждения насоса (30) высокого давления, а регулирующий давление клапан (52) характеризуется первым давлением открытия, по достижении которого он соединяет подводящий топливопровод (34) со сливным топливопроводом (54).7. The power supply system (10) according to claim 6, characterized in that the fuel supply line (34) is part of the pipeline for the lubrication and / or cooling circuit of the high pressure pump (30), and the pressure control valve (52) is characterized by a first opening pressure, according to reaching which he connects the fuel supply line (34) to the drain fuel line (54). 8. Система (10) питания по п.1, отличающаяся тем, что насос (30) высокого давления имеет по меньшей мере один сливной топливопровод (54), который предназначен для возврата топлива, просачивающегося через опоры приводного вала насоса (30) высокого давления, и в котором расположен закрывающийся в направлении него подпружиненный обратный клапан (74).8. The power supply system (10) according to claim 1, characterized in that the high-pressure pump (30) has at least one drain fuel line (54), which is designed to return fuel leaking through the bearings of the drive shaft of the high-pressure pump (30) , and in which a spring-loaded check valve (74) that closes in the direction of it is located. 9. Система (10) питания по п.1, отличающаяся тем, что параллельно топливоподкачивающему насосу (26) расположен подпружиненный обратный клапан (80) или клапан ограничения давления, открывающийся в направлении входа топливоподкачивающего насоса.9. The power supply system (10) according to claim 1, characterized in that a spring-loaded check valve (80) or a pressure limiting valve that opens in the direction of the inlet of the fuel pump is located parallel to the fuel priming pump (26). 10. Система (10) питания по одному из пп.1-9, отличающаяся тем, что параллельно топливоподкачивающему насосу (26) расположен подпружиненный обратный клапан (78) или клапан ограничения давления, открывающийся в направлении входа насоса высокого давления. 10. The power supply system (10) according to one of claims 1 to 9, characterized in that a spring-loaded check valve (78) or a pressure limiting valve, which opens in the direction of the inlet of the high pressure pump, is located parallel to the fuel priming pump (26).
RU2012103044/06A 2009-06-30 2010-04-30 Supply system of internal-combustion engine RU2556470C2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102009027335A DE102009027335A1 (en) 2009-06-30 2009-06-30 Fuel system for an internal combustion engine
DE102009027335.2 2009-06-30
PCT/EP2010/055891 WO2011000599A1 (en) 2009-06-30 2010-04-30 Fuel system for an internal combustion engine

Publications (2)

Publication Number Publication Date
RU2012103044A true RU2012103044A (en) 2013-08-27
RU2556470C2 RU2556470C2 (en) 2015-07-10

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RU2012103044/06A RU2556470C2 (en) 2009-06-30 2010-04-30 Supply system of internal-combustion engine

Country Status (7)

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EP (1) EP2449245B1 (en)
JP (1) JP5508526B2 (en)
KR (1) KR101696498B1 (en)
CN (1) CN102472219B (en)
DE (1) DE102009027335A1 (en)
RU (1) RU2556470C2 (en)
WO (1) WO2011000599A1 (en)

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DE102013208707A1 (en) * 2013-05-13 2014-11-13 Robert Bosch Gmbh Overflow valve for a high pressure pump in a fuel injection system
DE102013212145A1 (en) * 2013-06-25 2015-01-08 Robert Bosch Gmbh pump
DE102013226649A1 (en) * 2013-12-19 2015-06-25 Robert Bosch Gmbh Fuel supply device of a fuel injection system of an internal combustion engine and overflow valve to it
CN105332886B (en) * 2014-06-26 2020-07-10 罗伯特·博世有限公司 Pump assembly
US9638153B2 (en) * 2015-02-20 2017-05-02 Ford Global Technologies, Llc Method for cooling a direct injection pump
US9670867B2 (en) * 2015-06-25 2017-06-06 Ford Global Technologies, Llc Systems and methods for fuel injection
JP6586931B2 (en) * 2016-08-26 2019-10-09 株式会社デンソー Relief valve device and high-pressure pump using the same
GB2556078B (en) * 2016-11-17 2020-02-26 Delphi Tech Ip Ltd Venturi flow circuit
CN108150324B (en) * 2017-12-27 2020-01-03 潍柴动力股份有限公司 High-pressure oil pump for engine fuel system and engine fuel system
DE102018211338A1 (en) * 2018-07-10 2020-01-16 Robert Bosch Gmbh Fuel delivery device for cryogenic fuels and method for operating a fuel delivery device
DE102020114417A1 (en) * 2020-05-29 2021-12-02 Liebherr-Components Deggendorf Gmbh high pressure pump

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Publication number Publication date
DE102009027335A1 (en) 2011-01-05
JP5508526B2 (en) 2014-06-04
EP2449245A1 (en) 2012-05-09
RU2556470C2 (en) 2015-07-10
KR20120029445A (en) 2012-03-26
JP2012531557A (en) 2012-12-10
EP2449245B1 (en) 2013-08-14
CN102472219B (en) 2015-06-17
KR101696498B1 (en) 2017-01-13
WO2011000599A1 (en) 2011-01-06
CN102472219A (en) 2012-05-23

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