RU2014125129A - FUEL SUPPLY SYSTEM FOR CAR - Google Patents

FUEL SUPPLY SYSTEM FOR CAR Download PDF

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Publication number
RU2014125129A
RU2014125129A RU2014125129/06A RU2014125129A RU2014125129A RU 2014125129 A RU2014125129 A RU 2014125129A RU 2014125129/06 A RU2014125129/06 A RU 2014125129/06A RU 2014125129 A RU2014125129 A RU 2014125129A RU 2014125129 A RU2014125129 A RU 2014125129A
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RU
Russia
Prior art keywords
fuel
pressure
supply system
pump
fuel supply
Prior art date
Application number
RU2014125129/06A
Other languages
Russian (ru)
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RU2609124C2 (en
Inventor
Андреас КЕЛЛЬНЕР
Original Assignee
Роберт Бош Гмбх
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Publication of RU2014125129A publication Critical patent/RU2014125129A/en
Application granted granted Critical
Publication of RU2609124C2 publication Critical patent/RU2609124C2/en

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Classifications

    • 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
    • F02D41/3809—Common rail control systems
    • F02D41/3836—Controlling the fuel pressure
    • F02D41/3845—Controlling the fuel pressure by controlling the flow into the common rail, e.g. the amount of fuel pumped
    • F02D41/3854—Controlling the fuel pressure by controlling the flow into the common rail, e.g. the amount of fuel pumped with elements in the low pressure part, e.g. low pressure pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D33/00—Controlling delivery of fuel or combustion-air, not otherwise provided for
    • F02D33/003—Controlling the feeding of liquid fuel from storage containers to carburettors or fuel-injection apparatus ; Failure or leakage prevention; Diagnosis or detection of failure; Arrangement of sensors in the fuel system; Electric wiring; Electrostatic discharge
    • 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
    • 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
    • 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
    • F02M37/04—Feeding by means of driven pumps
    • F02M37/045—Arrangements for driving rotary positive-displacement pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/20—Filtering
    • 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
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
    • F04C14/22—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members
    • F04C14/223—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members using a movable cam
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C2/3441—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
    • F04C2/3442—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the working space, being surfaces of revolution

Abstract

1. Система (10) подачи топлива для автомобиля, имеющая топливоподкачивающий насос (14) для подачи топлива из топливного бака (100), насос (12) высокого давления для подачи топлива в систему (24) "common rail" и расположенный между топливоподкачивающим насосом (14) и насосом (12) высокого давления фильтр (16) для фильтрации топлива, отличающаяся тем, что топливоподкачивающий насос (14) выполнен регулируемым на основании первого давления топлива перед фильтром (16) и второго давления топлива за фильтром (16).2. Система (10) подачи топлива по п. 1, в которой производительность топливоподкачивающего насоса (14) снижается на основании первого давления топлива вплоть до нуля во избежание превышения максимально допустимого давления при забитом фильтре (16).3. Система (10) подачи топлива по п. 1, в которой топливоподкачивающий насос (14) представляет собой механически регулируемый насос.4. Система (10) подачи топлива по п. 1, в которой топливоподкачивающий насос (14) представляет собой шиберный насос.5. Система (10) подачи топлива по п. 4, в которой шиберный насос (14) имеет наружное кольцо (66), внутри которого расположен ротор (62) с шиберами (64), между которым и наружным кольцом (66) образована напорная полость (68) шиберного насоса (14), регулирование производительности которого осуществляется при этом путем перемещения наружного кольца (66) относительно ротора (62).6. Система (10) подачи топлива по п. 5, в которой топливоподкачивающий насос (14) имеет первую нагруженную давлением поверхность (80), нагружаемую первым давлением топлива, и вторую нагруженную давлением поверхность (82), нагружаемую вторым давлением топлива.7. Система (10) подачи топлива по п. 6, в которой соотношение меж1. A fuel supply system (10) for an automobile having a fuel priming pump (14) for supplying fuel from a fuel tank (100), a high pressure pump (12) for supplying fuel to a common rail system (24) and located between the fuel priming pump (14) and a high pressure pump (12) a filter (16) for fuel filtering, characterized in that the fuel priming pump (14) is made adjustable based on the first fuel pressure in front of the filter (16) and the second fuel pressure behind the filter (16) .2 . The fuel supply system (10) according to claim 1, wherein the performance of the fuel priming pump (14) is reduced based on the first fuel pressure up to zero to avoid exceeding the maximum allowable pressure with a clogged filter (16) .3. The fuel supply system (10) according to claim 1, wherein the fuel priming pump (14) is a mechanically adjustable pump. A fuel supply system (10) according to claim 1, wherein the fuel priming pump (14) is a vane pump. 5. The fuel supply system (10) according to claim 4, in which the vane pump (14) has an outer ring (66), inside of which there is a rotor (62) with gates (64), between which and the outer ring (66) a pressure cavity is formed ( 68) a vane pump (14), the performance of which is controlled by moving the outer ring (66) relative to the rotor (62) .6. A fuel supply system (10) according to claim 5, wherein the fuel priming pump (14) has a first pressure-loaded surface (80) loaded with a first fuel pressure and a second pressure-loaded surface (82) loaded with a second fuel pressure. The fuel supply system (10) according to claim 6, wherein

Claims (9)

1. Система (10) подачи топлива для автомобиля, имеющая топливоподкачивающий насос (14) для подачи топлива из топливного бака (100), насос (12) высокого давления для подачи топлива в систему (24) "common rail" и расположенный между топливоподкачивающим насосом (14) и насосом (12) высокого давления фильтр (16) для фильтрации топлива, отличающаяся тем, что топливоподкачивающий насос (14) выполнен регулируемым на основании первого давления топлива перед фильтром (16) и второго давления топлива за фильтром (16).1. A fuel supply system (10) for an automobile having a fuel priming pump (14) for supplying fuel from a fuel tank (100), a high pressure pump (12) for supplying fuel to a common rail system (24) and located between the fuel priming pump (14) and a high pressure pump (12) a filter (16) for filtering fuel, characterized in that the fuel priming pump (14) is made adjustable based on the first fuel pressure in front of the filter (16) and the second fuel pressure behind the filter (16). 2. Система (10) подачи топлива по п. 1, в которой производительность топливоподкачивающего насоса (14) снижается на основании первого давления топлива вплоть до нуля во избежание превышения максимально допустимого давления при забитом фильтре (16).2. The fuel supply system (10) according to claim 1, wherein the performance of the fuel priming pump (14) is reduced based on the first fuel pressure down to zero to avoid exceeding the maximum allowable pressure with a clogged filter (16). 3. Система (10) подачи топлива по п. 1, в которой топливоподкачивающий насос (14) представляет собой механически регулируемый насос.3. The fuel supply system (10) according to claim 1, wherein the fuel priming pump (14) is a mechanically adjustable pump. 4. Система (10) подачи топлива по п. 1, в которой топливоподкачивающий насос (14) представляет собой шиберный насос.4. The fuel supply system (10) according to claim 1, wherein the fuel priming pump (14) is a vane pump. 5. Система (10) подачи топлива по п. 4, в которой шиберный насос (14) имеет наружное кольцо (66), внутри которого расположен ротор (62) с шиберами (64), между которым и наружным кольцом (66) образована напорная полость (68) шиберного насоса (14), регулирование производительности которого осуществляется при этом путем перемещения наружного кольца (66) относительно ротора (62).5. The fuel supply system (10) according to claim 4, in which the vane pump (14) has an outer ring (66), inside of which there is a rotor (62) with gates (64), between which and a pressure ring is formed (66) the cavity (68) of the vane pump (14), the performance of which is controlled by moving the outer ring (66) relative to the rotor (62). 6. Система (10) подачи топлива по п. 5, в которой топливоподкачивающий насос (14) имеет первую нагруженную давлением поверхность (80), нагружаемую первым давлением топлива, и вторую нагруженную давлением поверхность (82), нагружаемую вторым давлением топлива.6. The fuel supply system (10) according to claim 5, wherein the fuel priming pump (14) has a first pressure-loaded surface (80) loaded with a first fuel pressure and a second pressure-loaded surface (82) loaded with a second fuel pressure. 7. Система (10) подачи топлива по п. 6, в которой соотношение между площадью первой нагруженной давлением поверхности (80) и площадью второй нагруженной давлением поверхности (82) составляет примерно от 0,4 до 0,6.7. The fuel supply system (10) according to claim 6, wherein the ratio between the area of the first pressure-loaded surface (80) and the area of the second pressure-loaded surface (82) is from about 0.4 to 0.6. 8. Система (10) подачи топлива по одному из предыдущих пунктов, имеющая также отводящий топливопровод (44), который предназначен для возврата топлива из насоса (12) высокого давления через дроссельный клапан (46) в топливный бак (100) и с которым соединено регулирующее присоединение (52) топливоподкачивающего насоса (14).8. The fuel supply system (10) according to one of the preceding paragraphs, also having a fuel discharge pipe (44), which is designed to return fuel from the high pressure pump (12) through a throttle valve (46) to the fuel tank (100) and to which it is connected regulatory connection (52) of the fuel priming pump (14). 9. Система (10) подачи топлива по п. 8, имеющая также обратный клапан (48) между дроссельным клапаном (46) и топливным баком (100). 9. The fuel supply system (10) according to claim 8, also having a check valve (48) between the throttle valve (46) and the fuel tank (100).
RU2014125129A 2011-11-21 2012-11-07 Vehicle fuel supply system RU2609124C2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE201110086681 DE102011086681A1 (en) 2011-11-21 2011-11-21 Fuel feed system for a vehicle
DE102011086681.7 2011-11-21
PCT/EP2012/072032 WO2013075946A1 (en) 2011-11-21 2012-11-07 Fuel delivery system for a vehicle

Publications (2)

Publication Number Publication Date
RU2014125129A true RU2014125129A (en) 2015-12-27
RU2609124C2 RU2609124C2 (en) 2017-01-30

Family

ID=47178662

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2014125129A RU2609124C2 (en) 2011-11-21 2012-11-07 Vehicle fuel supply system

Country Status (4)

Country Link
CN (1) CN103946527B (en)
DE (1) DE102011086681A1 (en)
RU (1) RU2609124C2 (en)
WO (1) WO2013075946A1 (en)

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WO2016059492A1 (en) * 2014-10-15 2016-04-21 Vhit S.P.A. Control system for controlling a positive displacement pump
DE102016203652A1 (en) * 2016-03-07 2017-09-07 Robert Bosch Gmbh Method for operating an electric fuel pump
CN106246424B (en) * 2016-08-29 2019-07-30 潍柴动力股份有限公司 High-pressure oil pump, engine fuel oil system and engine
DE102017210147A1 (en) * 2017-06-19 2018-12-20 Robert Bosch Gmbh Apparatus and method for return pressure adjustment for an injector

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DE19857249A1 (en) * 1998-12-11 2000-06-15 Bosch Gmbh Robert Fuel injection system
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DE102007058229A1 (en) * 2007-12-04 2009-06-10 Robert Bosch Gmbh Fuel injection system controlling method for internal-combustion engine of motor vehicle, involves controlling pump based on operating temperature and actual fuel pressure to enable accelerated starting in subsequent starting phase
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Also Published As

Publication number Publication date
RU2609124C2 (en) 2017-01-30
CN103946527B (en) 2017-02-22
CN103946527A (en) 2014-07-23
DE102011086681A1 (en) 2013-05-23
WO2013075946A1 (en) 2013-05-30

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