EP2635815A2 - Regelbare kühlmittelpumpe - Google Patents
Regelbare kühlmittelpumpeInfo
- Publication number
- EP2635815A2 EP2635815A2 EP11815673.6A EP11815673A EP2635815A2 EP 2635815 A2 EP2635815 A2 EP 2635815A2 EP 11815673 A EP11815673 A EP 11815673A EP 2635815 A2 EP2635815 A2 EP 2635815A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- slide
- coolant pump
- valve
- pump housing
- contact surface
- 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 52
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 239000000498 cooling water Substances 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 21
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 239000000446 fuel Substances 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 7
- 238000002485 combustion reaction Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 4
- 231100000719 pollutant Toxicity 0.000 abstract description 4
- 238000010348 incorporation Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 7
- 238000007726 management method Methods 0.000 description 5
- 230000010354 integration Effects 0.000 description 4
- 239000003921 oil Substances 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000284 resting effect Effects 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
- 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
- F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
- F01P5/12—Pump-driving arrangements
-
- 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
- F04D29/588—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling or heating the machine
Definitions
- the invention relates to a mechanical of a pulley, a gear, a stub shaft o.ä. driven, controllable by a valve spool coolant pump for internal combustion engines.
- a cylinder-shaped valve slide which is displaceably mounted in the direction of the shaft axis of the pump shaft, is arranged in the pump housing, which valve can be displaced linearly along the impeller outlet and thereby be able to cover the outlet of the impeller variably.
- auxiliary electric pumps are often used, which take over the supply of such components with a low power of about 10 liters / minute at a pressure of about 0.1 bar.
- the bypass port opens into the space behind the valve spool, which is surrounded by the coolant at all times and always subject to approximately the same pressure conditions as that space in front of the valve spool.
- the invention is therefore based on the object, a mechanically from a pulley, a gear, a stub shaft o.ä. driven, controllable by means of a valve spool coolant pump, which eliminates the aforementioned disadvantages of the prior art, thereby ensuring by "zero leakage" optimum heating of the engine and after the heating of the engine, the engine temperature in continuous operation can influence so accurately that Both the pollutant emissions and the friction losses and fuel consumption can be significantly reduced in the entire working range of the engine, and the production and assembly technology easy to produce, inexpensive, with minimal effort, without the use of additional electric auxiliary pumps, as well as without the installation of additional actuators and even without oversizing the coolant pump, ie with lower drive power, the cooling of special components, such as the exhaust gas recirculation, the exhaust manifold, the heater, etc.
- FIG 1 the controllable coolant pump according to the invention in partial section at cold start, i. shown with standing cooling water in the crankcase with fully covered by the valve spool impeller outlet 8.
- Figure 2 shows a weather possible design of the controllable coolant pump according to the invention with a mounted by means of bolts in the pump housing 1 special annular valve slide whose slide rear wall 7 itself is formed as a pressure washer 12, in partial section at cold start, i. with the cooling water in the crankcase with impeller outlet 8 completely covered by the valve spool.
- FIG. 3 shows a somewhat modified design of the controllable coolant pump according to the invention according to FIG. 2 with vane wheel outlet 8 completely released from the valve spool.
- a pressure washer 12 is arranged, or the slide rear wall 7 in special designs, as shown in Figures 2 and 3, itself formed as a pressure washer 12, and that this Thrust washer 12 pulley side opposite to the pump housing 1 an associated contact surface 13 is arranged, being arranged in the pump housings 1 within these contact surfaces 13, enclosed by the contact surfaces 13 outlet openings 14, which open into the bypass port 11.
- a sealing element 15 is arranged on the pressure ring plate 12 made of rubber, which with completely free from the valve spool impeller outlet 8 sealingly against the contact surface 13 of the pump housing 1 is pressed.
- a sealing element 15 made of rubber or plastic is arranged on the contact surface 13 of the pump housing 1, to which the pressure ring disk 12 is pressed in a sealing manner when the impeller outlet 8 is completely released from the outer cylinder 9 of the valve slide.
- valve spool an optimal heating of the engine is ensured by "zero leakage", after engine warming the engine temperature in continuous operation according to the invention can be influenced so accurately that in the entire working range of the engine both the pollutant emission as well Friction losses and fuel consumption can be significantly reduced.
- valve slide is used according to the invention as an actuator at the same time, the installation of additional actuators as well as their integration into the engine management is unnecessary in the inventive solution in a very simple and cost-effective manner.
- the cooling of special components e.g. the exhaust gas recirculation, the exhaust manifold, the heating u.a.m. be ensured with stagnant cooling water in the cylinder crankcase and in the cylinder head.
- the arrangement according to the invention is very robust and ensures high operational reliability and reliability with high efficiency.
- the solution according to the invention which integrates the function of a 3/2-way valve in the valve slide of the coolant pump, enables a simple and cost-effective integration into engine management.
- valve spool as a circular ring outstanding sealing piece 16 is arranged, which moves during the displacement of the valve spool contactless in a arranged in the outer shell of the valve working chamber 6 cylinder chamber 17 with a rempligelrad document arranged on this sealing web 18, wherein the Sealing lip 16 at fully covered by the valve spool impeller outlet 8, ie in the front end position of the valve spool, in which the outer cylinder 9 of the valve spool sealingly abuts the front side axially annular to the crankcase 19, axially sealingly abuts the sealing land 18 of the cylinder chamber 17 and so at the same time Tolerance compensation guaranteed.
- This operating principle of the double axial seal of the valve spool avoids leakage losses and at the same time ensures an optimum volume flow in the bypass pipe 11.
- sealing lip 16 is monolithically connected to a sealing element 15 arranged on the valve slide, as shown in FIG.
- FIG. 4 shows the block diagram for a possible use of the controllable coolant pump according to the invention in the cooling circuit of a motor vehicle.
- the inventively controllable bypass pipe 11 opens into a coolant bypass 21 of the cooling of individual components, such as the exhaust gas recirculation 22, the exhaust manifold 23, the heater 24 and so on even when the cooling water in the crankcase 19.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201010050261 DE102010050261B3 (de) | 2010-11-02 | 2010-11-02 | Regelbare Kühlmittelpumpe |
PCT/DE2011/001891 WO2012062271A2 (de) | 2010-11-02 | 2011-10-25 | Regelbare kühlmittelpumpe |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2635815A2 true EP2635815A2 (de) | 2013-09-11 |
EP2635815B1 EP2635815B1 (de) | 2015-12-30 |
Family
ID=45562041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11815673.6A Not-in-force EP2635815B1 (de) | 2010-11-02 | 2011-10-25 | Regelbare kühlmittelpumpe |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2635815B1 (de) |
DE (1) | DE102010050261B3 (de) |
WO (1) | WO2012062271A2 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012023004A1 (de) * | 2012-11-24 | 2014-06-12 | Deutz Aktiengesellschaft | Brennkraftmaschine mit einem Kurbelgehäuse |
DE102017120191B3 (de) * | 2017-09-01 | 2018-12-06 | Nidec Gpm Gmbh | Regelbare Kühlmittelpumpe für Haupt- und Nebenförderkreislauf |
KR20200116676A (ko) * | 2019-04-02 | 2020-10-13 | 현대자동차주식회사 | 차량용 워터펌프 |
DE102019006790A1 (de) | 2019-09-27 | 2021-04-01 | Deutz Aktiengesellschaft | Zylinderkopf mit eingegossener Wasserpumpe und integriertem Thermostat |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE881306C (de) * | 1941-10-28 | 1953-06-29 | Voith Gmbh J M | Kreiselpumpe mit Spaltringschuetze |
US4070132A (en) * | 1976-11-02 | 1978-01-24 | Baltimore Aircoil Company, Inc. | Variable performance pump |
DE102004054637B4 (de) * | 2004-11-12 | 2007-04-26 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Regelbare Kühlmittelpumpe |
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 |
AT506107B1 (de) * | 2007-12-03 | 2009-11-15 | Tcg Unitech Systemtechnik Gmbh | Radialpumpe |
DE102008026218B4 (de) * | 2008-05-30 | 2012-04-19 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Regelbare Kühlmittelpumpe |
-
2010
- 2010-11-02 DE DE201010050261 patent/DE102010050261B3/de not_active Expired - Fee Related
-
2011
- 2011-10-25 WO PCT/DE2011/001891 patent/WO2012062271A2/de active Application Filing
- 2011-10-25 EP EP11815673.6A patent/EP2635815B1/de not_active Not-in-force
Non-Patent Citations (1)
Title |
---|
See references of WO2012062271A2 * |
Also Published As
Publication number | Publication date |
---|---|
DE102010050261B3 (de) | 2012-05-03 |
EP2635815B1 (de) | 2015-12-30 |
WO2012062271A3 (de) | 2012-07-12 |
WO2012062271A2 (de) | 2012-05-18 |
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