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RU2013125689A - FUEL INJECTION SYSTEM IN THE INTERNAL COMBUSTION ENGINE - Google Patents

FUEL INJECTION SYSTEM IN THE INTERNAL COMBUSTION ENGINE

Info

Publication number
RU2013125689A
RU2013125689A RU2013125689/06A RU2013125689A RU2013125689A RU 2013125689 A RU2013125689 A RU 2013125689A RU 2013125689/06 A RU2013125689/06 A RU 2013125689/06A RU 2013125689 A RU2013125689 A RU 2013125689A RU 2013125689 A RU2013125689 A RU 2013125689A
Authority
RU
Russia
Prior art keywords
injection system
fuel injection
fuel
throttle
bypass
Prior art date
Application number
RU2013125689/06A
Other languages
Russian (ru)
Other versions
RU2573068C2 (en
Inventor
Ахим КЁЛЕР
Original Assignee
Роберт Бош Гмбх
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 Роберт Бош Гмбх filed Critical Роберт Бош Гмбх
Publication of RU2013125689A publication Critical patent/RU2013125689A/en
Application granted granted Critical
Publication of RU2573068C2 publication Critical patent/RU2573068C2/en

Links

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
    • 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
    • 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
    • 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
    • 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
    • F02M59/34—Varying fuel delivery in quantity or timing by throttling of passages to pumping elements or of overflow passages, e.g. throttling by means of a pressure-controlled sliding valve having liquid stop or abutment
    • 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

Landscapes

  • 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 впрыскивания топлива в двигатель внутреннего сгорания, имеющая бак (2), который топливоподкачивающим насосом (1) соединен с внутренним пространством (3) насоса (5) высокого давления, у которого его указанное внутреннее пространство (3) соединено с его же рабочей камерой (9) через дозатор (10), а также через перепускной клапан (16), имеющий корпус (17), затвор (18) и пружину (19), расположенную в полости (15) ее установки, гидравлически соединено со сливным топливопроводом (7), отличающаяся тем, что полость (15) установки пружины перепускного клапана через дросселирующий контур соединена с подсоединяемым через дозатор (10) гидравлическим пространством.2. Система впрыскивания топлива по п.1, отличающаяся тем, что дросселирующий контур представляет собой соединительный топливопровод (14) с предусмотренным в нем дросселем (22).3. Система впрыскивания топлива по п.1, отличающаяся тем, что полость (15) установки пружины перепускного клапана соединена со сливным топливопроводом (7).4. Система впрыскивания топлива по п.3, отличающаяся тем, что в сливном топливопроводе (7) предусмотрен перепускной дроссель (23).5. Система впрыскивания топлива по п.4, отличающаяся тем, что дроссель (22) обладает меньшей степенью дросселирования, чем перепускной дроссель (23).6. Система впрыскивания топлива по п.1, отличающаяся тем, что перед дросселем (22) и/или перед перепускным дросселем (23) предусмотрен фильтр.7. Система впрыскивания топлива по п.6, отличающаяся тем, что фильтр представляет собой щелевой фильтр.8. Система впрыскивания топлива по п.1, отличающаяся тем, что со сливным топливопроводом (7) соединен перепускной топливопровод (21) перепускного клапана (16).9. Си�1. The system of fuel injection into an internal combustion engine, having a tank (2), which is connected by a fuel pump (1) to the inner space (3) of the high-pressure pump (5), in which its specified inner space (3) is connected to its working chamber (9) through the dispenser (10), as well as through the bypass valve (16), which has a housing (17), a shutter (18) and a spring (19) located in the cavity (15) of its installation, it is hydraulically connected to the drain fuel line ( 7), characterized in that the cavity (15) of the bypass valve spring is connected through the throttling circuit to the hydraulic space connected through the meter (10). 2. Fuel injection system according to claim 1, characterized in that the throttling circuit is a connecting fuel line (14) with a throttle (22) provided therein. The fuel injection system according to claim 1, characterized in that the cavity (15) for installing the bypass valve spring is connected to the return fuel line (7). Fuel injection system according to claim 3, characterized in that a bypass throttle (23) is provided in the fuel return line (7). The fuel injection system according to claim 4, characterized in that the throttle (22) has a lower degree of throttling than the bypass throttle (23). Fuel injection system according to claim 1, characterized in that a filter is provided in front of the throttle (22) and / or in front of the bypass throttle (23). The fuel injection system of claim 6, wherein the filter is a slotted filter. Fuel injection system according to claim 1, characterized in that a bypass fuel line (21) of the bypass valve (16) is connected to the return fuel line (7). C�

Claims (10)

1. Система впрыскивания топлива в двигатель внутреннего сгорания, имеющая бак (2), который топливоподкачивающим насосом (1) соединен с внутренним пространством (3) насоса (5) высокого давления, у которого его указанное внутреннее пространство (3) соединено с его же рабочей камерой (9) через дозатор (10), а также через перепускной клапан (16), имеющий корпус (17), затвор (18) и пружину (19), расположенную в полости (15) ее установки, гидравлически соединено со сливным топливопроводом (7), отличающаяся тем, что полость (15) установки пружины перепускного клапана через дросселирующий контур соединена с подсоединяемым через дозатор (10) гидравлическим пространством.1. A fuel injection system in an internal combustion engine having a tank (2), which is connected by a fuel priming pump (1) to the internal space (3) of the high-pressure pump (5), in which its indicated internal space (3) is connected to its working chamber (9) through the dispenser (10), as well as through the bypass valve (16) having a housing (17), a shutter (18) and a spring (19) located in the cavity (15) of its installation, is hydraulically connected to the drain fuel line ( 7), characterized in that the cavity (15) installation of the bypass valve spring h Res throttling circuit is connected to the connectable through the dispenser (10) hydraulic space. 2. Система впрыскивания топлива по п.1, отличающаяся тем, что дросселирующий контур представляет собой соединительный топливопровод (14) с предусмотренным в нем дросселем (22).2. The fuel injection system according to claim 1, characterized in that the throttle circuit is a connecting fuel line (14) with a throttle (22) provided therein. 3. Система впрыскивания топлива по п.1, отличающаяся тем, что полость (15) установки пружины перепускного клапана соединена со сливным топливопроводом (7).3. The fuel injection system according to claim 1, characterized in that the cavity (15) for installing the bypass valve spring is connected to the drain fuel line (7). 4. Система впрыскивания топлива по п.3, отличающаяся тем, что в сливном топливопроводе (7) предусмотрен перепускной дроссель (23).4. The fuel injection system according to claim 3, characterized in that a bypass throttle (23) is provided in the drain fuel line (7). 5. Система впрыскивания топлива по п.4, отличающаяся тем, что дроссель (22) обладает меньшей степенью дросселирования, чем перепускной дроссель (23).5. The fuel injection system according to claim 4, characterized in that the throttle (22) has a lower degree of throttling than the bypass throttle (23). 6. Система впрыскивания топлива по п.1, отличающаяся тем, что перед дросселем (22) и/или перед перепускным дросселем (23) предусмотрен фильтр.6. The fuel injection system according to claim 1, characterized in that a filter is provided in front of the throttle (22) and / or in front of the bypass throttle (23). 7. Система впрыскивания топлива по п.6, отличающаяся тем, что фильтр представляет собой щелевой фильтр.7. The fuel injection system according to claim 6, characterized in that the filter is a slotted filter. 8. Система впрыскивания топлива по п.1, отличающаяся тем, что со сливным топливопроводом (7) соединен перепускной топливопровод (21) перепускного клапана (16).8. The fuel injection system according to claim 1, characterized in that the bypass fuel pipe (21) of the bypass valve (16) is connected to the drain fuel line (7). 9. Система впрыскивания топлива по п.1, отличающаяся тем, что со сливным топливопроводом (7) соединены отводящие топливопроводы (6а, 6b) насоса (5) высокого давления, по которым от опор его вала отводится смазывающее их топливо.9. The fuel injection system according to claim 1, characterized in that the discharge fuel lines (6a, 6b) of the high pressure pump (5) are connected to the drain fuel line (7), through which the lubricating fuel is removed from the supports of its shaft. 10. Система впрыскивания топлива по одному из пп.1-9, отличающаяся тем, что сливной топливопровод (7) оканчивается в баке (2). 10. The fuel injection system according to one of claims 1 to 9, characterized in that the drain fuel line (7) ends in the tank (2).
RU2013125689/06A 2010-11-05 2011-09-21 Ice fuel injection system RU2573068C2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102010043439A DE102010043439A1 (en) 2010-11-05 2010-11-05 Fuel injection system of an internal combustion engine
DE102010043439.6 2010-11-05
PCT/EP2011/066401 WO2012059267A1 (en) 2010-11-05 2011-09-21 Fuel injection system of an internal combustion engine

Publications (2)

Publication Number Publication Date
RU2013125689A true RU2013125689A (en) 2014-12-10
RU2573068C2 RU2573068C2 (en) 2016-01-20

Family

ID=44653344

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2013125689/06A RU2573068C2 (en) 2010-11-05 2011-09-21 Ice fuel injection system

Country Status (7)

Country Link
EP (1) EP2635791B1 (en)
JP (1) JP5727617B2 (en)
KR (1) KR101900965B1 (en)
CN (1) CN103201495B (en)
DE (1) DE102010043439A1 (en)
RU (1) RU2573068C2 (en)
WO (1) WO2012059267A1 (en)

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US9429124B2 (en) 2013-02-12 2016-08-30 Ford Global Technologies, Llc Direct injection fuel pump
US9599082B2 (en) 2013-02-12 2017-03-21 Ford Global Technologies, Llc Direct injection fuel pump
US9422898B2 (en) 2013-02-12 2016-08-23 Ford Global Technologies, Llc Direct injection fuel pump
DE102013212145A1 (en) * 2013-06-25 2015-01-08 Robert Bosch Gmbh pump
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US9683512B2 (en) 2014-05-23 2017-06-20 Ford Global Technologies, Llc Pressure device to reduce ticking noise during engine idling
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Also Published As

Publication number Publication date
RU2573068C2 (en) 2016-01-20
KR101900965B1 (en) 2018-09-20
KR20130126906A (en) 2013-11-21
EP2635791A1 (en) 2013-09-11
CN103201495B (en) 2016-08-17
WO2012059267A1 (en) 2012-05-10
JP5727617B2 (en) 2015-06-03
JP2013545015A (en) 2013-12-19
EP2635791B1 (en) 2015-01-07
DE102010043439A1 (en) 2012-05-10
CN103201495A (en) 2013-07-10

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