WO2013037540A1 - Pompe, notamment pompe à huile pour moteur a combustion interne - Google Patents

Pompe, notamment pompe à huile pour moteur a combustion interne Download PDF

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Publication number
WO2013037540A1
WO2013037540A1 PCT/EP2012/064065 EP2012064065W WO2013037540A1 WO 2013037540 A1 WO2013037540 A1 WO 2013037540A1 EP 2012064065 W EP2012064065 W EP 2012064065W WO 2013037540 A1 WO2013037540 A1 WO 2013037540A1
Authority
WO
WIPO (PCT)
Prior art keywords
pump
electric motor
housing
shaft
rotor
Prior art date
Application number
PCT/EP2012/064065
Other languages
German (de)
English (en)
Inventor
Friedrich Boecking
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2013037540A1 publication Critical patent/WO2013037540A1/fr

Links

Classifications

    • 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
    • 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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
    • F04C15/008—Prime movers
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N13/00—Lubricating-pumps
    • F16N13/20—Rotary pumps
    • 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
    • F04C2210/00—Fluid
    • F04C2210/20—Fluid liquid, i.e. incompressible
    • F04C2210/206—Oil
    • 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
    • F04C2240/40—Electric motor

Definitions

  • the invention relates to a pump, in particular an oil pump for an internal combustion engine, comprising a pump device with a pump housing receiving pump housing, wherein an electric motor connected to the pump device and forming the drive of the pump device is provided.
  • Such a pump is known from DE 23 36 307 A1.
  • This pump is designed as a vane pump, which is installed in a separate pump housing.
  • An electric motor with an electric motor housing is flanged onto the pump housing and the pump shaft of the vane pump is connected to the shaft of the electric motor via a driver body.
  • two separate components namely the electric motor and the vane pump are connected to form a combination device.
  • DE 10 2006 029 553 A1 it is also known to combine an oil pump and a vacuum pump to form a pump module. These two pumps each have their own housing, which are bolted together.
  • This pump module is driven by means of a gear which is fixed to the pump shaft of the oil pump and is suitably driven by a chain.
  • the invention has for its object to provide a pump whose drive is so simplified that an arbitrary, space-saving attachment of the pump to a machine is possible.
  • a stator of the electric motor is integrated into the pump housing and that the rotor of the electric motor is connected to a rotary part of the pumping device.
  • the module consisting of the pump and the electric motor, builds much more compact and also has a significantly lower weight than the solution described in the prior art. This makes it possible to place the module at almost any point on the machine where the module is to be mounted.
  • the electric motor can also be controlled in a simple manner with respect to its speed and power, which is possible with a mechanical drive only with a complex additional gear unit to be installed. Thus, as a result, the delivery rate of the pump can be easily adapted to the respective requirements.
  • the compact design of the module and the simple possibility of regulating the line and speed or regulating the delivery rate contribute to a C0 2 reduction, which starts from the machine with the mounted module.
  • the engine is for example a self-igniting or spark-ignited internal combustion engine, which is used to drive devices or any vehicles.
  • the electric motor is used adjacent to a cover in a recess of the pump housing.
  • the installation according to the invention in the recess makes it possible, if necessary, to disassemble the electric motor from the pump housing without difficulty.
  • a problem-free and cost-effective change of a damaged component is possible.
  • the pump housing is at the same time the electric motor housing.
  • the electric motor does not have its own housing. Rather, the pump housing is designed so that the particular housing fixed to be arranged components of the electric motor are installed directly in the pump housing. The arrangement of these components is normally chosen so that these components do not come into contact with the conveyed with the pumping device of the pump medium.
  • the rotor of the electric motor is connected to the pump shaft of the pump device.
  • the rotor of the electric motor is the pump shaft of the pump device.
  • the rotor is connected to an external gear of the pump device designed as a gear pump.
  • This embodiment also contributes to a compact construction of the module, consisting of the pump and the electric motor.
  • magnets of the rotor are arranged or fastened to the pump shaft and / or the external gear. This embodiment also contributes to a simple structure and a compact design of the module.
  • the pump device is a vane pump, in particular a vane pump.
  • a vane pump is particularly suitable for conveying liquid and gaseous media.
  • the pumping device is a gear pump, in particular an internal gear pump.
  • a gear pump is particularly suitable for the promotion of a liquid medium, in particular oil.
  • At least one auxiliary pump in particular a vacuum pump is combined with the pump.
  • the pump and the auxiliary pump preferably have a common pump housing into which - as described above - the electric motor is integrated.
  • the pump is preferably an oil pump of an internal combustion engine and designed as an internal gear pump, while the auxiliary pump is a vacuum pump, the system generates a vacuum or a vacuum in a gas-filled system.
  • the vacuum pump is preferably designed as a vane pump.
  • FIG. 1 a shows a longitudinal section of a first exemplary embodiment of a pump designed as a vane cell pump with an integrated electric motor
  • Figure 1 b shows a cross section of a first embodiment of a designed as a vane pump pump with an integrated electric motor
  • FIG. 2 shows a longitudinal section of a second embodiment of a trained as réelle leopard- pump with integrated electric motor and combined auxiliary pump in the form of a vacuum pump.
  • the module shown in FIG. 1a consisting of a pump designed as an oil pump 1 and an electric motor 2 integrated into the pump or its pump housing 3, is designed in particular for attachment to an internal combustion engine and serves, in particular, for supplying oil to the lubrication points of the internal combustion engine or possibly oil-lubricated attachments the internal combustion engine.
  • the module consisting of the oil pump 1 and the electric motor 2 has the pump housing 3, which is cylindrical and connected to two opposite covers 4a, 4b, for example, is screwed.
  • the oil pump 1 and the electric motor 2 have a common pump shaft 5, which is mounted in a suitable manner in the pump housing 3.
  • the pump shaft On the oil pump side, the pump shaft has longitudinal grooves 6, are used in wings 7 of the designed as a vane pump oil pump 1.
  • the particular four symmetrically arranged on the circumference of the pump shaft 5 wings 7, but the number of which is arbitrary, are each by a spring 8, which are inserted into a corresponding recess of the longitudinal groove 6, against an inner wall 9 of a pump working space 10 forming Zylinderausneh- mung pressed in the pump housing 3.
  • the pump working space 10 is aligned eccentrically to the pump shaft 5 and the pump working space 10 is further connected to an inlet 1 1 and a spout 12, both of which are embedded in the lid 4 a. Due to the eccentric arrangement of the pump working chamber 10, oil introduced from the blades 7 into the return 12 is conveyed through the inlet 11 into the pump working chamber 10 during a rotary movement of the pump shaft 5.
  • oil pump 1 to the environment is in the area between the lid 4a and the pump housing 3 in a circumferential recess in the pump housing 3 a O-ring 13a used.
  • the pump shaft 5 may be sealed in the region between the oil pump 1 and the electric motor 2 via a suitable seal against the pump housing 3.
  • the pump housing 3 On the opposite side, namely that of the cover 4b, the pump housing 3 has a recess 14 into which a stator 15 of the electric motor 2 with a winding 16 is inserted. In the region of the stator 15 and the winding 16 5 magnets 17 are inserted into the pump shaft. The pump shaft 5 and the magnets 17 form the rotor 27 of the electric motor 2 in this cooperating region. When the winding is energized, the pump shaft 5 is set in rotary motion by the magnets 17. The lid 4b is also sealed relative to the pump housing 3 by means of an O-ring 13b.
  • the cross-section through the oil pump 1 partially shown in FIG. 1 b shows the previously described construction of the oil pump 1, in particular in the region of the pump working space 10.
  • FIG 2 shows a module consisting of an oil pump 1, an electric motor 2 and a ner designed as a vacuum pump 18 auxiliary pump.
  • the module has a corresponding to the embodiment according to Figures 1 a, 1 b common pump housing 3, which is also closed by two opposing lids 4a, 4b. The lids are in turn sealed off from the pump housing 3 by means of O-rings 13a, 13b.
  • the oil pump 1 and the electric motor 2 is arranged behind the cover 4b, while the vacuum pump 18 is positioned behind the cover 4a.
  • the vacuum pump 18 is analogous to the oil pump 1 of the embodiment according to Figures 1 a, 1 b designed as a vane pump. Accordingly, reference is made to the relevant description of Figures 1 a, 1 b.
  • the module has a common pump shaft 5 which is mounted in the pump housing 3 and the covers 4a, 4b.
  • an air inlet 19 and an air return 20 is integrated, wherein the air inlet 19 and the air return 20 are connected to corresponding check valves.
  • gaseous medium in particular air
  • the pump shaft 5 has a flange 22 on which an external gear 23 is placed, for example, shrunk.
  • magnets 17 are recessed in the outer circumference of the external gear 23.
  • the outer gear 23 and the magnets 17 in the cooperating region form the rotor 27 of the electric motor 2.
  • the stator 15 of the electric motor is present in the recess 14 which is also present here 2 arranged with the winding 16.
  • the winding 16 is connected to an electrical connection 24, which is guided through a passage in the pump housing 3 to the outside.
  • the internal gear 25 meshes with the external gear 23 in the upper region of the external gearwheel 23, as shown.
  • the internal gearwheel 25 is arranged eccentrically with respect to the external gearwheel 23 and is thus arranged at a distance from the external gearwheel 23 at a distance therefrom.
  • a sickle-shaped element 26 is fixedly arranged, which fills the space formed.
  • the inlet 1 1 and the outlet 12 is arranged in or out of the pump working chamber 10 in the lid 4 b. During a rotational movement of the oil pump 1, the oil introduced into the pump working space 10 is conveyed into the outlet 12.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

L'invention concerne une pompe, notamment une pompe à huile (1) pour un moteur à combustion interne, présentant un carter de pompe (3) abritant un dispositif pompe doté d'un arbre de pompe (5), un moteur électrique (2) étant relié au dispositif pompe et formant l'entraînement du dispositif pompe. Le but de l'invention est de simplifier l'entraînement de la pompe de manière à permettre un montage additionnel, de faible encombrement et quelconque sur une machine sur laquelle est montée la pompe. A cet effet, un stator (15) du moteur électrique (2) est intégré au carter de pompe (3) et le rotor (27) du moteur électrique (2) est relié à une partie rotative du dispositif pompe. Ainsi le carter de pompe (3) sert simultanément de carter au moteur électrique (2).
PCT/EP2012/064065 2011-09-14 2012-07-18 Pompe, notamment pompe à huile pour moteur a combustion interne WO2013037540A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011082705.6 2011-09-14
DE201110082705 DE102011082705A1 (de) 2011-09-14 2011-09-14 Pumpe, insbesondere Ölpumpe für eine Brennkraftmaschine

Publications (1)

Publication Number Publication Date
WO2013037540A1 true WO2013037540A1 (fr) 2013-03-21

Family

ID=46545384

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/064065 WO2013037540A1 (fr) 2011-09-14 2012-07-18 Pompe, notamment pompe à huile pour moteur a combustion interne

Country Status (2)

Country Link
DE (1) DE102011082705A1 (fr)
WO (1) WO2013037540A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111788392A (zh) * 2018-02-28 2020-10-16 安捷伦科技有限公司 包括真空泵及其马达的真空泵送系统

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103986276B (zh) * 2014-04-12 2016-05-04 宁波腾隆户外用品有限公司 电机与油泵的连接结构
DE102020209827A1 (de) 2020-08-04 2022-02-10 Vitesco Technologies Germany Gmbh Montagestruktur für eine elektrische Ölpumpe

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2336307A1 (de) 1973-07-17 1975-01-30 Bosch Gmbh Robert Pumpeneinheit
DE202006002823U1 (de) * 2006-02-18 2006-07-06 Com Engineering Gmbh Öl- und Vakuumpumpenmodul
EP1803938A1 (fr) * 2005-12-27 2007-07-04 Techspace Aero S.A. Groupe motopompe hautement intégré à moteur électrique
DE102006029553A1 (de) 2006-06-26 2007-12-27 Pierburg Gmbh Ölpumpen- und Vakuumpumpenmodul
EP1967733A2 (fr) * 2007-03-06 2008-09-10 Matsushita Electric Works, Ltd. Pompe à ailettes à entraînement magnétique
DE102007035239A1 (de) * 2007-07-25 2009-01-29 Joma-Hydromechanic Gmbh Rotorpumpe
US20100290934A1 (en) * 2009-05-14 2010-11-18 Gil Hadar Integrated Electrical Auxiliary Oil Pump

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2336307A1 (de) 1973-07-17 1975-01-30 Bosch Gmbh Robert Pumpeneinheit
EP1803938A1 (fr) * 2005-12-27 2007-07-04 Techspace Aero S.A. Groupe motopompe hautement intégré à moteur électrique
DE202006002823U1 (de) * 2006-02-18 2006-07-06 Com Engineering Gmbh Öl- und Vakuumpumpenmodul
DE102006029553A1 (de) 2006-06-26 2007-12-27 Pierburg Gmbh Ölpumpen- und Vakuumpumpenmodul
EP1967733A2 (fr) * 2007-03-06 2008-09-10 Matsushita Electric Works, Ltd. Pompe à ailettes à entraînement magnétique
DE102007035239A1 (de) * 2007-07-25 2009-01-29 Joma-Hydromechanic Gmbh Rotorpumpe
US20100290934A1 (en) * 2009-05-14 2010-11-18 Gil Hadar Integrated Electrical Auxiliary Oil Pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111788392A (zh) * 2018-02-28 2020-10-16 安捷伦科技有限公司 包括真空泵及其马达的真空泵送系统

Also Published As

Publication number Publication date
DE102011082705A1 (de) 2013-03-14

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