EP2406498A1 - Regelbare kühlmittelpumpe - Google Patents
Regelbare kühlmittelpumpeInfo
- Publication number
- EP2406498A1 EP2406498A1 EP10712884A EP10712884A EP2406498A1 EP 2406498 A1 EP2406498 A1 EP 2406498A1 EP 10712884 A EP10712884 A EP 10712884A EP 10712884 A EP10712884 A EP 10712884A EP 2406498 A1 EP2406498 A1 EP 2406498A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump
- pump housing
- controllable
- coolant
- bearing
- 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
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
- F04D3/00—Axial-flow 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
- 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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
Definitions
- the invention relates to a controlled via a pulley controllable coolant pump for internal combustion engines in the design of a controllable axial pump.
- centrifugal pumps designed as radial pumps are used, in which the coolant flowing axially into an impeller is deflected in the radial direction.
- Controllable coolant pumps in the design of controllable radial pumps are described, for example, in DE 10 2007 022 189 A1 as well as in US Pat
- Coolant pump after failure of the control are guaranteed.
- the axial pumps with suction-side throttling (such as, for example, the design presented in DE 102 07 653 C1) have shown that they are in need of improvement in terms of flow technology, since they are reinforced
- the coolant pump designed as a controllable axial pump has a driven by a toothed belt pulley
- Hollow shaft on which rotatably a plurality of rotor blades are arranged such that their angle of attack arranged over a within the hollow shaft
- Mechanism of action can be adjusted mechanically.
- Control element which can be controlled electrically, electronically, hydraulically or pneumatically.
- Timing pulley driven controllable axial pump which can be
- Coolants are flowed through to bring the exhaust gas temperature as fast as possible to the desired level.
- the invention is therefore based on the object to develop a driven via a pulley controllable coolant pump in the design of a controllable axial pump for internal combustion engines, which avoids the aforementioned disadvantages of the prior art and allows active control of the coolant flow on the one hand by "zero leakage"
- the novel design transmit a high torque with minimum volume, ensure continued functioning of the coolant pump (fail-safe) in case of failure of the control, and also on the maximum temperature load for the electrical components or the electronic component nts be independent and thereby by a very compact, manufacturing and assembly technology Distinguish simple, cost-effective and robust design, as well as avoid cavitation phenomena and turbulence of the flow rate, have high efficiency and ensure high reliability and reliability with very long service life even with loaded with dirty cargo
- this object is achieved by a controllable coolant pump driven by a pulley in the design of a 'controllable axial pump for internal combustion engines according to the features of the independent claim 1 of the invention.
- Figure 1 the inventive driven via a pulley variable coolant pump in the design of an axial flow pump with a pneumatic actuator 33, in the side view, in section;
- Figure 2 the inventive driven via a pulley controllable coolant pump in the design an axial pump with a linear motor 30 used as an actuator 21, in the side view, in section.
- FIG. 1 shows a possible variant of the invention, driven via a pulley controllable coolant pump in the design of an axial flow pump with a used for controlling the flow rate as actuator 21 Pneumatikaktuator 33 (in side view, in section).
- a pulley 5 is rotatably supported by a pump bearing 4 on a pump housing 1 with a flow inlet opening 2 and a flow outlet opening 3.
- a pump shaft 6 is connected to an axial blade 7 is also arranged rotationally fixed.
- a stator 8 is rotatably arranged according to the invention, in which a bearing receptacle 9 for a second bearing 10 of the pump shaft 6 is located.
- this bearing 10 is a sliding bearing in which the pump shaft 6 is mounted with its pulley 5 opposite pump shaft end.
- this arrangement causes an optimal, uniform, turbulence-free "flow around" the (provided on the stator 8) cylinder jacket Abströmleitkegels 14 at maximum throughput and minimal pressure loss is ensured in the pump interior, which is an essential condition for optimal control of the flow represents the coolant pump according to the invention.
- a valve working chamber 16 is arranged, in which the provided with a ring land 15 Abströmleitkegel 14 of the stator 8 protrudes, wherein on the pump housing 1, the bearing point of the pump bearing 4 in the flow direction opposite, a piston rod guide 17 with an actuator mounting flange 18th is arranged.
- a piston rod 19 projecting into the pump housing 1 is displaceably mounted in this piston rod guide 17, wherein an actuator 21, which effects a linear displacement of the piston rod 19 and is provided with a return device 20, acts on the end region of the piston rod 19 located outside the pump housing 1 arranged on the pump housing 1 Aktuatorbefest Trentsflansch 18 is arranged.
- the pump housing 1 is designed in such a multi-part, that a versor with the Aktuatorbefest Trentsflansch 18 rear area of the pump housing 1 is flanged to a "still" provided with the valve working space 16 front portion of the pump housing 1.
- a sliding work chamber 16 is displaceably arranged linearly with an outflow guide 23, an outflow opening 24 and sealingly engaged in operative connection with the annular web 15 on the outflow guide cone 14 of the guide wheel 8 Ring groove 25 provided axial slide 22 is attached.
- an active control of the coolant flow rate is enabled by means of this arrangement, which on the one hand by "zero leakage", ie ensured on the annular web 15 of the stator 8 sealingly applied annular groove 25 of the axial slide 22, optimum heating of the engine, and on the other hand Heating of the engine, by a defined displacement of the axial slide 22 in the valve working chamber 16 of the pump housing 1, the engine temperature in continuous operation is able to influence exactly so that in the entire working range of the engine, both the pollutant emission as well as the friction losses and fuel consumption can be significantly reduced.
- the spring element arranged in the actuator 21 in the form of a compression spring as the return device 20 ensures that the coolant pump (fail-safe) continues to function if the control fails.
- this solution according to the invention is independent of the maximum temperature load for the electrical components or the electronic components, since no electrical components or electronic components that come into contact with the delivery volume flow are used inside the pump.
- the flow defined influencing assemblies (such as the Vorleitrad 12 with the inflow cone 13, the Axialschaufelrad 7, the stator 8 with Abströmleitkegel 14 and the axial slide 22 with the Ausströmleitkontur 23 and the outflow opening 24) their entirety, that in the coolant pump according to the invention cavitation phenomena as well as turbulence of the delivery volume flow are avoided, and that the coolant pump according to the invention has a high efficiency.
- the proposed arrangement according to the invention due to its robust construction, ensures that even with a load of coolant laden with coolant, a high level of operational safety and reliability is ensured over a very long service life.
- this spacer bar 36 ensures, with the guide wheel 12 resting against the outer jacket 35 of the guide wheel 8, a free run of the axial blade wheel 7.
- the preliminary guide wheel 12 (for example made of plastic) is pushed into the front region of the pump housing 1 until it engages with the guide wheel installation web 34, so that after assembly of the axial blade wheel 7 the guide wheel 12 is pushed in by the pressing in of the outer jacket 35 of the stator 8 in the pump housing 1 (by the arranged on the outer casing 35 of the stator 8 distance web 36) is secured axially in position.
- the radial securing is taken over by latching lugs which come into operative connection with one another and which are arranged on the components to be joined together.
- a feed flange 26 and a drain flange 27 are arranged on the pump housing 1, which are arranged "angled" with respect to the valve working chamber 16 arranged in the pump housing 1.
- seals 31 and leakage outlet openings 32 are arranged to ensure high reliability.
- Pulley driven controllable coolant pump in the design of an axial pump in the side view shown in section.
- Axial slider 22, a linear motor 30 is used.
- inventive controllable coolant pump is used in particular when in the respective vehicle type (in which the coolant pump according to the invention is to be used) no
- Vacuum is present, or if the existing negative pressure is insufficient to move the axial slide 22 functionally reliable.
- Linear motor 30 is a further functioning of the coolant pump in case of failure of the control (fail-safe) thereby ensures that the spindle pitch as
- Resetting device in the linear motor 30 acts.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200910012923 DE102009012923B3 (de) | 2009-03-12 | 2009-03-12 | Regelbare Kühlmittelpumpe |
PCT/DE2010/000245 WO2010102604A1 (de) | 2009-03-12 | 2010-03-06 | Regelbare kühlmittelpumpe |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2406498A1 true EP2406498A1 (de) | 2012-01-18 |
EP2406498B1 EP2406498B1 (de) | 2015-12-23 |
Family
ID=42221165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10712884.5A Not-in-force EP2406498B1 (de) | 2009-03-12 | 2010-03-06 | Regelbare kühlmittelpumpe |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2406498B1 (de) |
DE (1) | DE102009012923B3 (de) |
WO (1) | WO2010102604A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010053510B4 (de) * | 2010-12-04 | 2014-01-23 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Kühlmittelpumpe |
DE102011008305B4 (de) | 2011-01-11 | 2014-08-14 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Vorrichtung zur Betätigung eines Stellventils |
DE102014004509B4 (de) | 2014-03-28 | 2016-08-04 | Nidec Gpm Gmbh | Regelvorrichtung |
DE102014019609B4 (de) | 2014-12-30 | 2019-08-22 | Nidec Gpm Gmbh | Kühlmittelpumpe |
CN109899324A (zh) * | 2019-04-26 | 2019-06-18 | 如东黄海泵业有限公司 | 一种耐高温液下泵 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3739494A1 (de) * | 1987-11-21 | 1989-06-01 | Sueddeutsche Kuehler Behr | Ventil zur steuerung des kuehlwasserumlaufs bei brennkraftmaschinen |
US6887046B2 (en) * | 1996-02-26 | 2005-05-03 | Flowork Systems Ii Llc | Coolant pump, mainly for automotive use |
DE10047387B4 (de) * | 2000-09-25 | 2013-09-12 | GPM Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt, Merbelsrod | Elektrisch angetriebene Kühlmittelpumpe |
DE10207653C1 (de) * | 2002-02-22 | 2003-09-25 | Gpm Geraete Und Pumpenbau Gmbh | Elektrische Kühlmittelpumpe mit integriertem Ventil, sowie Verfahren zu dessen Steuerung |
DE10314526B4 (de) * | 2003-03-31 | 2007-11-29 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Kühlmittelpumpe, insbesondere strömungsgekühlte elekrische Kühlmittelpumpe mit integriertem Wegeventil |
DE102005056199A1 (de) * | 2005-11-25 | 2006-10-12 | Audi Ag | Pumpe für ein flüssiges Medium, insbesondere Kühlmittelpumpe, sowie Stellelement für eine solche Pumpe |
DE102006034952B4 (de) * | 2006-07-28 | 2008-04-03 | Audi Ag | Regelbare Axialpumpe für einen Kühlkreislauf einer Verbrennungskraftmaschine |
DE102007022189A1 (de) * | 2007-05-11 | 2008-11-27 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Regelbare Kühlmittelpumpe |
-
2009
- 2009-03-12 DE DE200910012923 patent/DE102009012923B3/de not_active Expired - Fee Related
-
2010
- 2010-03-06 EP EP10712884.5A patent/EP2406498B1/de not_active Not-in-force
- 2010-03-06 WO PCT/DE2010/000245 patent/WO2010102604A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2010102604A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2010102604A1 (de) | 2010-09-16 |
EP2406498B1 (de) | 2015-12-23 |
DE102009012923B3 (de) | 2010-07-01 |
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