WO2013037536A1 - Pump assembly for a high-pressure injection system - Google Patents
Pump assembly for a high-pressure injection system Download PDFInfo
- Publication number
- WO2013037536A1 WO2013037536A1 PCT/EP2012/064059 EP2012064059W WO2013037536A1 WO 2013037536 A1 WO2013037536 A1 WO 2013037536A1 EP 2012064059 W EP2012064059 W EP 2012064059W WO 2013037536 A1 WO2013037536 A1 WO 2013037536A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pump
- pressure
- pressure pump
- electric
- recess
- Prior art date
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
- 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
- F02M37/041—Arrangements for driving gear-type pumps
-
- 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
- F02M37/08—Feeding by means of driven pumps electrically driven
-
- 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
- F02M37/14—Feeding by means of driven pumps the pumps being combined with other apparatus
-
- 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
- F02M39/00—Arrangements of fuel-injection apparatus with respect to engines; Pump drives adapted to such arrangements
- F02M39/005—Arrangements of fuel feed-pumps with respect to fuel injection apparatus
-
- 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
- F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
- F04C11/005—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of dissimilar working principle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/007—General arrangements of parts; Frames and supporting elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/10—Outer members for co-operation with rotary pistons; Casings
-
- 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
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
- F04C2/102—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member the two members rotating simultaneously around their respective axes
-
- 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
- F04C2240/00—Components
- F04C2240/30—Casings or housings
Definitions
- the present invention relates to a pump assembly according to the
- High-pressure pump are used in particular in high-pressure injection systems in order to promote fuel for a motor vehicle with an internal combustion engine.
- Fuel injection system with a high-pressure fuel pump and an upstream electric fuel delivery pump, the fuel from a fuel tank to a low-pressure input of the
- High-pressure fuel pump promotes, the electric fuel feed pump is regulated with respect to their flow and it is either located directly on the high-pressure fuel pump or integrated into the high-pressure fuel pump.
- Inventive pump assembly for a high pressure injection system in particular for a motor vehicle, comprising an electric feed pump with an electric motor and a pump and a high pressure pump, wherein the electric feed pump is disposed directly on the high pressure pump or integrated into the high pressure pump, wherein the high pressure pump
- the electric prefeed pump at least partially, in particular completely, is arranged.
- Pre-feed pump can thus be particularly space-saving and compact in
- High-pressure pump to be integrated.
- the recess is formed on a housing of the high-pressure pump.
- the housing of the high-pressure pump limits the high-pressure pump, so that the prefeed pump is easily accessible from the outside.
- the recess with a lid in particular fluid-tight, closed.
- the lid is detachable, z. B. with a screw, attached to the high-pressure pump.
- the cover can thus remove, in particular unscrewed, and then the prefeed pump is accessible from the outside and can, for. B. replaced or repaired.
- Pre-feed pump formed on the lid and / or a discharge channel is formed for the electric pre-feed pump to the high-pressure pump, in particular the housing of the high-pressure pump.
- the subsidized by the feed pump fuel can thus be easily introduced from the outside into the lid and also can be easily fed from the outflow of the high-pressure pump through the outflow on the high-pressure pump of the fuel.
- the inflow channel formed on two opposite sides of the recess.
- the inflow channel can thus be arranged, for example, on the outside of the recess, in particular the cover, so that the fuel is easy to Inflow channel can be supplied and the outflow channel is the
- High pressure pump facing formed on the recess so that the fuel can be easily fed from the outflow of the high-pressure pump.
- the pump is an internal gear pump and / or the
- Recess is formed substantially cylindrical and / or the
- Recess is formed in a section, in particular in a section perpendicular to a rotational axis of an impeller of the electric feed pump, circular.
- a bearing pin for an internal gear of the internal gear pump is formed on the high pressure pump, in particular the housing of the internal gear is mounted and / or on the high pressure pump, in particular the housing of the high pressure pump, is a centering ring for a stator of the electric Pre-feed pump formed on which the stator is centered and / or fixed.
- the cover and / or the high-pressure pump in particular the housing of the high-pressure pump, expediently forms a plain bearing for at least one impeller, in particular an internal and external gear, of the electric prefeed pump.
- a plain bearing for at least one impeller, in particular an internal and external gear, of the electric prefeed pump.
- no separate slide bearing is required thereby.
- the electric motor is integrated in the pump, in particular by permanent magnets in an impeller, in particular external gear, are installed, so that the impeller, in particular the external gear, also forms the rotor of the electric motor.
- the electric motor and the electric pump are integrated in the pump, in particular by permanent magnets in an impeller, in particular external gear, are installed, so that the impeller, in particular the external gear, also forms the rotor of the electric motor.
- Pre-feed pump thus represent non-separable units.
- the pump of the electrical feed pump is a rotary vane pump.
- the pump of the electric prefeed pump is an external gear pump.
- an external gear pump two gears are arranged within a housing. The gears with the teeth thus represent an impeller with conveyor elements.
- the delivery rate of the electrical feed pump can be controlled and / or regulated.
- the spatial distance between the electric prefeed pump and the high-pressure pump is less than 30 cm, 20 cm, 10 cm, 5 cm or 1 cm.
- a fuel filter is incorporated or integrated in the fuel line for conducting fuel from a fuel tank to the electric priming pump.
- Inventive high-pressure injection system for an internal combustion engine in particular for a motor vehicle, comprising a high-pressure pump, a high-pressure rail, an electric feed pump for conveying a fuel from a fuel tank to the high-pressure pump, wherein the electric
- Patent application described pump assembly is formed.
- the high-pressure injection system comprises a fuel tank and at least one fuel line.
- Patent application described pump assembly comprises.
- an electric motor with a stator and a rotor is integrated in the internal gear pump and / or the stator is formed concentrically around the rotor.
- Suitably consists of the housing of the high-pressure pump and / or the inner and / or outer gear and / or the cover at least partially, in particular completely, made of metal, for. As steel or aluminum.
- the internal gear pump is a gerotor pump.
- FIG. 1 is a highly schematic view of a high-pressure injection system in a first embodiment
- FIG. 2 is a highly schematic view of the high pressure injection system in a second embodiment
- Fig. 3 is a perspective view of an internal gear pump
- FIG. 4 is an exploded view of the internal gear pump of FIG. 3,
- Fig. 5 is a view of a high-pressure pump with a recess for
- Fig. 6 is a view of a motor vehicle. Embodiments of the invention
- FIG. 1 shows a pump arrangement 1 in a first exemplary embodiment of a high-pressure injection system 2 for a motor vehicle 40.
- An electric prefeed pump 3 conveys fuel from a fuel tank 41 through a fuel line 35. Subsequently, the fuel is conveyed from the electric prefeed pump 3 to a high pressure pump 7, wherein the prefeed pump 3 is attached to the high pressure pump 7.
- the high-pressure pump 7 is provided by an internal combustion engine 39 by means of a drive shaft 44
- the electric prefeed pump 3 has an electric motor 4 and a pump 5 (FIGS. 3 and 4).
- the electric motor 4 of the pump 5 is integrated into the pump 5 and further, the electric prefeed pump 3 at the
- High pressure pump 7 arranged directly.
- the high-pressure pump 7 delivers fuel under high pressure, for example, a pressure of 1000, 3000 or 4000 bar, through a high pressure fuel line 36 to a high pressure rail 42. From the high pressure rail 42 of the fuel under high pressure from an injector 43 a combustion chamber, not shown
- Fuel tank 41 returned.
- An inflow passage 28 (FIG. 4) of the electric feed pump 3 sucks fuel through a fuel line 35 from a fuel tank 41, and through an outflow passage 29 (FIG. 5) the fuel is passed through an internal fuel passage (not shown) of the pump assembly 1 of the high pressure pump 7 fed.
- Pre-feed pump 3 is a fuel filter 38 (Fig. 1) installed, d. H. of the
- Fuel filter 38 is arranged on the suction side of the electric prefeed pump 3. Deviating from this, the fuel filter 38 can also be arranged on the pressure side (FIG. 2) to the electric prefeed pump 3, ie hydraulically between the electric prefeed pump 3 and the high-pressure pump 7. This advantageously allows the fuel line 35 from the fuel tank 41 to the electric prefeed pump 3 cost be trained because they must withstand any overpressure.
- the electric motor 4 (Fig. 3 and 4) of the electric Pre-feed pump 3 is operated with three-phase or alternating current and is controllable in power and / or adjustable.
- the three-phase current or alternating current for the electric motor 4 is provided by a power electronics, not shown, from a DC voltage network of a vehicle electrical system of the motor vehicle 40.
- the electric prefeed pump 3 is thus an electronically pumped prefeed pump 3rd
- the electric prefeed pump 3 does not have a separate housing, but the electric prefeed pump 3 is installed in a recess 9 or a cavity 9 or a cavity 9 on a housing 30 of the high-pressure pump 7, so that the housing 30 of the high-pressure pump 7, the housing of the electric prefeed pump 3 forms (Fig. 5).
- the pump 5 as internal gear pump 6 and gerotor pump 26 and the electric motor 4 are arranged.
- the electric motor 4 has a stator 13 with coils 14 as electromagnets 15 and a
- Soft iron core 45 as a soft magnetic core 32, which is formed as a laminated core 33.
- the pump 5 is as
- Internal gear pump 6 with an internal gear 22 with an internal gear 23 and an external gear 24 with an external gear 25 positioned.
- the inner and outer gear 22, 24 thus represents a gear 20 and an impeller 18 and the inner and outer toothed ring 23, 25 have teeth 21 as conveying elements 19.
- the external gear 24 performs a rotational movement about one
- Rotation axis 27 and the internal gear 22 performs a rotational movement about an axis of rotation, not shown, to the illustrated
- Outer gear 22, 24 are aligned eccentrically to each other. Between the inner and outer gear 22, 24, a working space 51 is formed. In the external gear 24 permanent magnets 17 are installed, so that the
- Electric motor 4 is thus integrated into the pump 5 and vice versa.
- Electromagnets 15 of the stator 13 are alternately energized, so that due to the resulting magnetic field to the electromagnet 15, the rotor 16 and the external gear 24 is set in a rotational movement about an axis of rotation 27.
- the electric feed pump 3 is within the substantially
- FIG. 5 the electric feed pump 3 is not shown.
- the recess 9 is closed fluid-tight by a cover 8.
- the cover 8 is screwed with three screws 34 to the housing 30 of the high-pressure pump 7.
- the lid 8 has
- Holes 10 on and on the housing 30 are also three
- Housing bores 31 incorporated with a thread.
- the three screws 34 are thus inserted into the holes 10 and then the screws 34 can be screwed into the housing bores 31, so that a screw 46 is formed.
- a seal not shown between the cover 8 and the housing 30, the recess 9 is sealed with the electric prefeed pump 3 fluid-tight with respect to the environment.
- the housing 30 of the high pressure pump 7 has at the recess 9 on a bearing pin 47 and a centering ring 48. With the bearing pin 47, the internal gear 22 is mounted. At the centering ring 48, the stator 13 is centered or fixed. Since the external gear 24 is mounted on the stator 13, the external gear 24 is thus indirectly supported or held by the centering ring 48 on the centering ring 48.
- the housing 30 at the recess 9 to the outflow channel 29.
- the high-pressure pump 7 is supplied.
- High-pressure pump 7 has a cylinder head 49 in which the
- High-pressure fuel line 36 opens.
- the inflow channel 28 opens within the lid 10 in an intake manifold 50 for the fuel.
- the fuel line 35 is connected.
- the housing 30 of the high pressure pump 7 and the cover 8 serves as a plain bearing 11 or thrust bearing 11 for the inner and outer gear 22, 24th
- the electric prefeed pump 3 is integrated in the high pressure pump 7 by the prefeed pump 3 is installed in a recess 9 on the housing 30 of the high pressure pump. This is in advantageously no additional housing for the feed pump 3 is required and the prefeed pump 3 is compact and space-saving installed in the high-pressure pump 7.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014528911A JP2014529035A (en) | 2011-09-13 | 2012-07-18 | Pump equipment for high pressure injection systems |
KR1020147006382A KR20140059802A (en) | 2011-09-13 | 2012-07-18 | Pump assembly for a high-pressure injection system |
CN201280044513.1A CN103842639A (en) | 2011-09-13 | 2012-07-18 | Pump assembly for a high-pressure injection system |
EP12737543.4A EP2756183A1 (en) | 2011-09-13 | 2012-07-18 | Pump assembly for a high-pressure injection system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011082583A DE102011082583A1 (en) | 2011-09-13 | 2011-09-13 | Pump arrangement for a high-pressure injection system |
DE102011082583.5 | 2011-09-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013037536A1 true WO2013037536A1 (en) | 2013-03-21 |
Family
ID=46545780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2012/064059 WO2013037536A1 (en) | 2011-09-13 | 2012-07-18 | Pump assembly for a high-pressure injection system |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2756183A1 (en) |
JP (1) | JP2014529035A (en) |
KR (1) | KR20140059802A (en) |
CN (1) | CN103842639A (en) |
DE (1) | DE102011082583A1 (en) |
WO (1) | WO2013037536A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107237706B (en) * | 2017-07-21 | 2019-08-13 | 东莞市摩码包装材料有限公司 | A kind of fuel system and its control method |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004008478B4 (en) | 2004-02-20 | 2007-05-10 | Siemens Ag | Flow control of a high pressure pump |
WO2009151442A1 (en) * | 2008-06-09 | 2009-12-17 | Cummins Filtration Ip Inc | Apparatus, system, and method for diverting fluid |
WO2011138083A1 (en) * | 2010-05-03 | 2011-11-10 | Robert Bosch Gmbh | Pump assembly for a high-pressure injection system |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5145329A (en) * | 1990-06-29 | 1992-09-08 | Eaton Corporation | Homoplanar brushless electric gerotor |
JP3734323B2 (en) * | 1996-11-20 | 2006-01-11 | ヤマハマリン株式会社 | Outboard motor |
JP2001182669A (en) * | 1999-12-27 | 2001-07-06 | Mikuni Adec Corp | Trochoid pump |
JP3873817B2 (en) * | 2002-06-05 | 2007-01-31 | 株式会社デンソー | Fuel injection pump |
JP4872684B2 (en) * | 2007-01-29 | 2012-02-08 | 株式会社デンソー | Fuel supply pump |
JP5564974B2 (en) * | 2009-12-01 | 2014-08-06 | 株式会社ジェイテクト | Electric pump and electric pump mounting structure |
IT1397725B1 (en) * | 2009-12-22 | 2013-01-24 | Bosch Gmbh Robert | FUEL SUPPLY SYSTEM FROM A TANK TO AN INTERNAL COMBUSTION ENGINE. |
-
2011
- 2011-09-13 DE DE102011082583A patent/DE102011082583A1/en not_active Withdrawn
-
2012
- 2012-07-18 KR KR1020147006382A patent/KR20140059802A/en not_active Application Discontinuation
- 2012-07-18 JP JP2014528911A patent/JP2014529035A/en active Pending
- 2012-07-18 WO PCT/EP2012/064059 patent/WO2013037536A1/en active Application Filing
- 2012-07-18 EP EP12737543.4A patent/EP2756183A1/en not_active Withdrawn
- 2012-07-18 CN CN201280044513.1A patent/CN103842639A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004008478B4 (en) | 2004-02-20 | 2007-05-10 | Siemens Ag | Flow control of a high pressure pump |
WO2009151442A1 (en) * | 2008-06-09 | 2009-12-17 | Cummins Filtration Ip Inc | Apparatus, system, and method for diverting fluid |
WO2011138083A1 (en) * | 2010-05-03 | 2011-11-10 | Robert Bosch Gmbh | Pump assembly for a high-pressure injection system |
Also Published As
Publication number | Publication date |
---|---|
CN103842639A (en) | 2014-06-04 |
DE102011082583A1 (en) | 2013-03-14 |
JP2014529035A (en) | 2014-10-30 |
EP2756183A1 (en) | 2014-07-23 |
KR20140059802A (en) | 2014-05-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE102013205442A1 (en) | Pump with electric motor | |
DE102011089609A1 (en) | Internal gear pump | |
WO2017008959A1 (en) | Rotary piston pump comprising radial bearings on only one housing part | |
DE102012223907B4 (en) | Method for manufacturing at least one rotary piston pump and a high-pressure injection system | |
WO2011138083A1 (en) | Pump assembly for a high-pressure injection system | |
WO2013113545A2 (en) | Pump having an electric motor | |
WO2013037536A1 (en) | Pump assembly for a high-pressure injection system | |
WO2012038213A2 (en) | Pump comprising an electric motor | |
DE102011076025A1 (en) | Electric motor integrated pump e.g. internal gear pump for high pressure injection system of motor vehicle, is integrated with auxiliary pump | |
DE102011086435A1 (en) | Gear pump for conveying fluid, and for use in high-pressure injection system for internal combustion engine, particularly for motor vehicle, has pressure porting opening for discharging fluid to be conveyed from working chamber | |
WO2012038214A2 (en) | Pump having an electric motor | |
EP2756195A1 (en) | Pump comprising an electric motor | |
WO2012038199A2 (en) | Pump comprising an electric motor | |
DE102010002566A1 (en) | Inner gear pump, particularly for motor vehicle, for supplying fluid, has inner wheel with inner annular gear, and external gear wheel with external annular gear | |
DE102010041237A1 (en) | Electric motor-driven pump i.e. internal gear pump, for conveying fuel to internal combustion engine of motor car, has deformation curvature connected with housing during prestressing, and stator connected with housing by bayonet joint | |
DE102011005304A1 (en) | Pump for conveying fluid to combustion engine in motor vehicle, has stator enclosed completely by sealing sleeve in which functional geometrical structures are formed to position impeller relative to suction and pressure port openings | |
EP2780598B1 (en) | Internal gear pump | |
DE102012206961A1 (en) | Pump for conveying diesel or petrol into internal combustion engine of motor vehicle, has electric motor that includes rotor completely made of thermoplastic material so that permanent magnets in rotor are integrated | |
DE102012223905A1 (en) | Rotary piston pump e.g. high pressure gear pump for conveying fluid e.g. petrol to internal combustion engine of motor car, has outlet channels opened in diverting workspace for discharging to-be-conveyed fluid from diverting workspace | |
DE102010031537A1 (en) | Electrical feed pump for pump assembly of high pressure fuel injection system for motor car, has stator which is attached forcedly with elastic element and/or is positively secured with holding pin at housing portion of pump unit | |
DE102011007773A1 (en) | Fuel injection system and tank installation unit for a fuel injection system | |
DE102016206062A1 (en) | Rotary piston pump | |
DE102010031541A1 (en) | Upstream electrical supply pump for conveying fuel from fuel tank into low pressure input of fuel high pressure pump of pump assembly of motor car, has pump provided with external gears secured at stator of electromotor | |
DE102011086950A1 (en) | Pump arrangement for high pressure injection system of combustion engine of motor vehicle, has electric supply pump with electric motor, pump and high-pressure pump, where electric supply pump is directly arranged at high-pressure pump | |
DE102010031538A1 (en) | Electrical supply pump for use in high pressure injection system to convey fuel from fuel tank to high pressure pump of internal combustion engine of motor car, has housing cover affixed with holding pin at stator |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 12737543 Country of ref document: EP Kind code of ref document: A1 |
|
REEP | Request for entry into the european phase |
Ref document number: 2012737543 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 20147006382 Country of ref document: KR Kind code of ref document: A Ref document number: 2014528911 Country of ref document: JP Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 2014114378 Country of ref document: RU Kind code of ref document: A |