EP2681452A1 - Regelbare kühlmittelpumpe - Google Patents
Regelbare kühlmittelpumpeInfo
- Publication number
- EP2681452A1 EP2681452A1 EP12714542.3A EP12714542A EP2681452A1 EP 2681452 A1 EP2681452 A1 EP 2681452A1 EP 12714542 A EP12714542 A EP 12714542A EP 2681452 A1 EP2681452 A1 EP 2681452A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump
- impeller
- coolant pump
- piston
- pump housing
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 239000002826 coolant Substances 0.000 title claims abstract description 53
- 239000002245 particle Substances 0.000 claims description 6
- 210000003734 kidney Anatomy 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000002485 combustion reaction Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 5
- 239000000446 fuel Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 235000016496 Panda oleosa Nutrition 0.000 description 1
- 240000000220 Panda oleosa Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0027—Varying behaviour or the very pump
- F04D15/0038—Varying behaviour or the very pump by varying the effective cross-sectional area of flow through the rotor
-
- 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
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/0404—Details or component parts
- F04B1/0413—Cams
-
- 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
- F04B23/00—Pumping installations or systems
- F04B23/04—Combinations of two or more pumps
- F04B23/08—Combinations of two or more pumps the pumps being of different types
- F04B23/10—Combinations of two or more pumps the pumps being of different types at least one pump being of the reciprocating positive-displacement type
- F04B23/103—Combinations of two or more pumps the pumps being of different types at least one pump being of the reciprocating positive-displacement type being a radial piston pump
-
- 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
- F04B23/00—Pumping installations or systems
- F04B23/04—Combinations of two or more pumps
- F04B23/08—Combinations of two or more pumps the pumps being of different types
- F04B23/14—Combinations of two or more pumps the pumps being of different types at least one pump being of the non-positive-displacement type
-
- 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
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
- F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
- F04B9/045—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being eccentrics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
- F04D15/0022—Control, e.g. regulation, of pumps, pumping installations or systems by using valves throttling valves or valves varying the pump inlet opening or the outlet opening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P2007/146—Controlling of coolant flow the coolant being liquid using valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/14—Safety means against, or active at, failure of coolant-pumps drives, e.g. shutting engine down; Means for indicating functioning of coolant pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/021—Units comprising pumps and their driving means containing a coupling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/60—Control system actuates means
- F05D2270/64—Hydraulic actuators
Definitions
- the invention relates to a controlled via a pulley controllable coolant pump for internal combustion engines.
- a very effective measure for engine heating is the "standing water” or the “zero leakage” during the cold start phase, in which the cylinder head must not be flowed through by coolant, thereby bringing the exhaust gas temperature very quickly to the desired level.
- a ring-shaped valve slide which is displaceably mounted in the pump housing in the direction of the shaft axis of the pump shaft is arranged with an outer cylinder which variably covers the outflow region of the impeller, which counter to the spring force of return springs either as in the solution according to DE 10 2005 004 315 B4 proposed electromagnetic, ie by means of a magnet coil arranged in the pump housing, which acts on a magnet armature rigidly connected to the valve slide, or, as proposed in DE 10 2005 062 200 B3, by means of a pneumatically or hydraulically actuated actuator (which is hydraulically mounted on the valve slide in the pump housing guided piston rods acts) can be moved linearly.
- the piston pump integrated in the pump housing from today's point of view requires too long a length expansion of the pump housing, with too many components and too high manufacturing and assembly costs.
- the invention is therefore based on the object to develop a driven via a pulley variable coolant pump (with valve spool), which eliminates the aforementioned disadvantages of the prior art, on the one hand by "zero leakage” ensures optimum heating of the engine and also on the other hand the engine warming can influence the engine temperature in continuous operation so accurately that the pollutant emission as well as the friction losses and the fuel consumption can be significantly reduced in the entire working range of the engine and even in unfavorable thermal boundary conditions, such as in the vicinity of the turbocharger, or even with very limited installation space for the coolant pump in the engine compartment with very low drive power reliable actuation of the valve spool allows even in case of failure of the scheme further functioning of the coolant pump (fail-safe) ensures itself characterized by a manufacturing and assembly technology very simple, inexpensive, "standardizable” for different pump sizes, in their length very short design, optimally exploits the available space in the engine compartment, and also ensures high reliability and reliability at high volumetric efficiency, no factory air-free
- this object is achieved by a driven via a pulley controllable coolant pump for internal combustion engines according to the features of the independent claim of the invention.
- Figure 1 the controllable coolant pump according to the invention in section in the side view;
- FIG 2 the controllable coolant pump according to the invention according to Figure 1 in partial section at A - A, at the end of the "inflow" just before the start of the compression phase through the eccentric bush 27;
- FIG. 3 shows the controllable coolant pump according to the invention according to FIG. 1 in partial section at A-A, at the beginning of the "inflow phase";
- Coolant pump according to Figure 1;
- FIG. 5 shows a section at CC in the detail B with a possible design of the controllable coolant pump according to the invention according to FIG. 4;
- FIG. 6 the detail B of the controllable coolant pump according to the invention according to FIG. 1;
- controllable coolant pump in these embodiments of the controllable coolant pump according to the invention shown in Figures 1 to 7 is in a pump housing 1, mounted in a / on the pump housing 1 in a pump bearing 2, driven by a pulley 3 pump shaft 4, one on a free, flow-side end of this pump shaft 4 rotatably mounted impeller 5, a pressure-operated, spring-loaded by a return spring 6, control slide 7 with a Ausström Society of the impeller 5 variably overlapping outer cylinder 8, a arranged in the pump housing 1 between the impeller 5 and the pump bearing 2 in a seal holder 9 shaft seal 10, a arranged on the pump housing 1 working housing 11 in which a solenoid valve 12 is arranged, wherein the inlet opening, a pressure channel 13 and to the outflow opening into the pump interior 14 recirculating passage 15 leads.
- a vane bushing 42 is arranged, which reduces the manufacturing and assembly costs while increasing the reliability of the coolant pump.
- a pressure chamber 16 forming spring plate 17 is arranged, on which the return spring 6 abuts, and on the outer radius of a slider inner seal 18 is arranged such that this inside of the outer cylinder 8 of Regulating slide 7 is applied, at the same time in the pump housing 1, an outside of the outer cylinder 8 of the Regulating slide 7 fitting slide outer seal 19 is arranged such that the outer cylinder 8 of the control slide 7 can be moved variable at pressure buildup in the pressure chamber 16 against the spring force of the return spring 6 along the Ausström Symposiumes of the impeller 5.
- an eccentric bushing 27 is arranged in the pump shaft side a circumferentially surrounding the impeller 5 adjacent arranged Ansaugringkanal 28 is arranged.
- a crank disk ring 29 with a piston bore 30 for the working piston 24 is rotatably arranged on the outer jacket of the eccentric bushing 27, wherein a suction kidney 31 is arranged in the region of the piston bore 30 in the eccentric bushing 27 in such a way that when the eccentric bushing revolves with the pump shaft 4 27 located in Ansaugringkanal 28 medium is conveyed into the piston passage bore 25.
- the impeller 5 bears against both the eccentric bushing 27 and the crank disk ring 29 and has at least one, the Ansaugringkanal 28 adjacent arranged collecting ring channel 33, wherein the contact region of the impeller 5 on the eccentric bushing 27 as an annular gap filter 32 is formed, so that in this area a transfer of medium from the pump interior 14 into the collecting ring channel 33 / the Sammelringkanäie 33 and of this / these in the Ansaugringkanal 28 is possible.
- the annular gap filter 32 at the same time fulfills the function of a centrifugal separator and consists of a arranged on the eccentric bushing 27 annular Filterplato 45, are introduced in the Filterkeilnuten 46 such that these from the outer radius the filter inlet 47 located at the inner radius of the slit filter 32 increase so that particles entrained by the coolant (such as chips or grains of sand) can not penetrate into the area of the slit filter 32 and even if the smallest particles are sucked in a good flow through the filter is ensured as a result of the filter wedge grooves 46, which widen inwardly to a great extent, wherein particles adhering to the filter are circulated at the same time as a result of the centrifugal forces acting on the filter.
- the coolant such as chips or grains of sand
- this is formed by a filter disk 49, wherein in the region of the filter disk in the eccentric bushing 27, a scraper 50 projecting beyond the plane of the eccentric bushing 27 and projecting into the pump interior space 14 is oblique to the tangent is arranged on the filter disk 49 that in the region of the nip filter 32 "entrained" particles (such as chips or grains of sand) are discharged with the impeller 5 rotating towards the pump interior 14.
- Characteristic is also that between the bore outlet of the blind hole 20 and the pressure channel 13, a check valve 34, and in front of the solenoid valve 12 between the pressure channel 13 and the pressure chamber 16 a passage bore 35 is arranged, wherein the solenoid valve 12 causes a defined pressurization of the control slide 7 ,
- the impeller 5 is rotatably mounted on the pump shaft 4, the eccentric bushing 27, which is non-rotatably mounted on the pump shaft 4 and is provided with the suction ring channel 28 and the suction kidney 31, is simultaneously driven put a rotary motion.
- the rotatably arranged on the outer surface of the eccentric bushing 27 crank disk ring 29 is offset with its piston bore 30 in strokes.
- the impeller 5 shown in section in Figure 1 is located both on the eccentric bushing 27 as well as the crank pulley ring 29 and has an outer the gap filter 32 adjacent collecting ring channel 33 and an inner, the Ansaugringkanal 28 adjacent collecting ring channel 33rd
- Both collecting ring channels 33 are interconnected by means of overflow holes 43.
- annular gap filter 32 In the region of the annular gap filter 32, which may be formed as shown in Figures 5 and 7, is a transfer of cooling medium from the pump interior 14 behind the impeller 5 in the outer collecting ring channel 33 and the overflow holes 43 in the inner collecting ring channel 33 and ensured by this / these in the Ansaugringkanal 28.
- This pressure kana! 13 opens on the one hand via the passage bore 35 in the pressure chamber 16 formed by the spring plate 17 and the pump housing 1 with the pressure-dependently slidably mounted in the pressure chamber 16 control slide 7, and on the other hand in the solenoid valve 12, wherein the solenoid valve 12 outlet openings are arranged in an in Pump housing 1 arranged remindstömkanal 15 open, which is directly connected to the pump interior 14.
- the solenoid valve 12 is normally open.
- the arrangement according to the invention conveys cooling medium "without pressure” via the outlet openings 36 of the solenoid valve 12 into an annular channel 37 arranged in the working housing 11, which opens into a return flow channel 15, via which the cooling medium flows back into the pump interior 1.
- the subsidized by the inventive arrangement cooling medium is pressed into the pressure chamber 16. There, the thus injected cooling medium causes a defined (via the solenoid valve 12) adjustable pressurization of spring-loaded by the return spring 6 control slide. 7
- the return spring 6 is located on the side facing away from the impeller 5 of the outer cylinder 8 of the control slide 7, to the spring systems 38 at.
- an outer scraper 40 and the slider inner seal 18 adjacent to the pump inner space 14 in the spring plate 17 are arranged in the pump housing 1 adjacent to an inner scraper 41 which prevents the entry of particles entrained by the coolant (such as, for example, FIG Chips, grains of sand, etc.) in the working area of the adjacent slide seals, thereby not only increasing the reliability and the life, but also significantly reducing the frictional losses and thereby the operating accuracy, ie improve the finely tunable nature.
- the coolant such as, for example, FIG Chips, grains of sand, etc.
- the pressure in the pressure passage 13 can be precisely controlled by means of the solenoid valve 12 and thus a defined method of the control slide 7 along the outer edge of the impeller 5 realized, which in turn affects the engine temperature very accurately in continuous operation can be, so that Both the pollutant emissions as well as the friction losses and fuel consumption can be significantly reduced in the entire working range of the engine.
- the solution according to the invention ensures optimum cooling with minimal construction volume due to the arrangement of an integrated in the pump housing 1 and at the same time cooled by the coolant in the pump housing 1 solenoid valve 12.
- the inventive solution allows a reliable operation of the control slide 7 with a very low drive power.
- the present solution is suitable even for high speed applications.
- the solution according to the invention is characterized in particular by their very short in their length design, which can take advantage of very small space available in the engine compartment space optimally.
- the coolant pump according to the invention is manufacturing and assembly technology very easy and inexpensive to produce, is also in connection with the construction of different pump series and Sizes "standardizable" and requires no factory air-free filling.
- controllable coolant pump according to the invention can be easily and inexpensively integrated into the engine management. It ensures high volumetric efficiency, a very high reliability with very high reliability.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011012826A DE102011012826B3 (de) | 2011-03-02 | 2011-03-02 | Regelbare Kühlmittelpumpe |
PCT/DE2012/000173 WO2012116676A1 (de) | 2011-03-02 | 2012-02-22 | Regelbare kühlmittelpumpe |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2681452A1 true EP2681452A1 (de) | 2014-01-08 |
EP2681452B1 EP2681452B1 (de) | 2015-10-07 |
Family
ID=45372810
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12714542.3A Not-in-force EP2681452B1 (de) | 2011-03-02 | 2012-02-22 | Regelbare kühlmittelpumpe |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2681452B1 (de) |
DE (1) | DE102011012826B3 (de) |
WO (1) | WO2012116676A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012214503B4 (de) | 2012-08-14 | 2017-10-12 | Schwäbische Hüttenwerke Automotive GmbH | Rotationspumpe mit verstellbarem Fördervolumen, insbesondere zum Verstellen einer Kühlmittelpumpe |
DE102013111939B3 (de) * | 2013-10-30 | 2014-10-30 | Pierburg Gmbh | Kühlmittelpumpe für den Einsatz im KFZ-Bereich |
DE102014201880B3 (de) | 2014-02-03 | 2014-12-18 | Schaeffler Technologies Gmbh & Co. Kg | Schmutzfänger als Funktionsmodul im Flügelrad einer Kühlmittelpumpe |
DE102015119097B4 (de) * | 2015-11-06 | 2019-03-21 | Pierburg Gmbh | Kühlmittelpumpe für eine Verbrennungskraftmaschine |
DE112017008238T5 (de) * | 2017-11-28 | 2020-08-20 | Pierburg Pump Technology Gmbh | Schaltbare mechanische Kühlmittelpumpe |
KR102552164B1 (ko) * | 2018-10-22 | 2023-07-05 | 현대자동차주식회사 | 차량의 냉각수 상태 판단 방법 |
DE102019122718A1 (de) * | 2019-08-23 | 2021-02-25 | Nidec Gpm Gmbh | Kolbenstangenabdichtung |
DE102019122717A1 (de) * | 2019-08-23 | 2021-02-25 | Nidec Gpm Gmbh | Regelbare Kühlmittelpumpe mit Kolbenstangenführung |
CN116324178A (zh) * | 2020-10-06 | 2023-06-23 | 皮尔伯格泵技术有限责任公司 | 可变机械汽车冷却剂泵 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005004315B4 (de) * | 2005-01-31 | 2007-04-26 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Regelbare Kühlmittelpumpe |
DE102005062200B3 (de) * | 2005-12-23 | 2007-02-22 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Regelbare Kühlmittelpumpe |
DE102008026218B4 (de) * | 2008-05-30 | 2012-04-19 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Regelbare Kühlmittelpumpe |
DE102008049204A1 (de) * | 2008-09-27 | 2010-04-01 | Man Nutzfahrzeuge Ag | Kühlsystem für Fahrzeuge mit flüssigkeitsgekühlter Brennkraftmaschine |
-
2011
- 2011-03-02 DE DE102011012826A patent/DE102011012826B3/de not_active Expired - Fee Related
-
2012
- 2012-02-22 WO PCT/DE2012/000173 patent/WO2012116676A1/de active Application Filing
- 2012-02-22 EP EP12714542.3A patent/EP2681452B1/de not_active Not-in-force
Non-Patent Citations (1)
Title |
---|
See references of WO2012116676A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102011012826B3 (de) | 2012-01-12 |
WO2012116676A1 (de) | 2012-09-07 |
EP2681452B1 (de) | 2015-10-07 |
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