EP1963637A1 - Controllable coolant pump - Google Patents
Controllable coolant pumpInfo
- Publication number
- EP1963637A1 EP1963637A1 EP06761838A EP06761838A EP1963637A1 EP 1963637 A1 EP1963637 A1 EP 1963637A1 EP 06761838 A EP06761838 A EP 06761838A EP 06761838 A EP06761838 A EP 06761838A EP 1963637 A1 EP1963637 A1 EP 1963637A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump housing
- piston
- annular
- pump
- annular piston
- 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 description 52
- 238000007789 sealing Methods 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 description 23
- 238000006073 displacement reaction Methods 0.000 description 8
- 239000000446 fuel Substances 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 230000033228 biological regulation Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 239000003110 molding sand Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012360 testing method Methods 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
- 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
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
-
- 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
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
-
- 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
- F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
-
- 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 according to the preamble of claim 1.
- controllable coolant pumps for internal combustion engines which are driven by a pulley from the crankshaft of the internal combustion engine and in which the impeller is switchable, for example in connection with a friction pair, driven by the pump shaft.
- Friction disc of the magnetic coupling to the impeller transmissible, significantly increased drive torque.
- Pressing force causes, which results from the fact that between the friction disc and the impeller by an inflow ring and a Ausströmring for the
- Cooling medium built up a pressure supporting the negative pressure, and at the same time the friction disc during operation by means of
- Friction clutch with this clutch design own, functional
- Impeller could be changed.
- Impeller arranged, axially movable valve spool which in the
- the guides in this design are always exposed to the operating medium with the inevitable contamination load of the cooling medium such as molding sand, metal particles, eg, from the manufacturing process or due to wear, so that dirt particles which get into the guide inevitably lead to jamming of the slide.
- the cooling medium such as molding sand, metal particles, eg, from the manufacturing process or due to wear
- the cylinder head should by no means flow through coolant 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, controllable coolant pump for internal combustion engines, which avoids the aforementioned disadvantages of the prior art, in case of failure of the regulation further functioning of the coolant pump (fail-safe) ensures, by a high efficiency, a characterized by a very compact, simple, robust design and which ensures high reliability and reliability even in loaded with contaminated medium operating fluid, an active control of the coolant flow rate on the one hand by "zero leakage" to ensure optimum heating of the engine and on the other hand after heating of the engine to influence the engine temperature in continuous operation so accurately that throughout Work area of the engine both the pollutant emission as well as the friction losses and fuel consumption can be significantly reduced.
- a controllable coolant pump with the features of the main claim of the invention.
- the controllable coolant pump according to the invention with a pump housing (1), a pump housing (1) mounted, driven shaft (2), on a free, flow-side ends of this shaft (2) rotatably mounted impeller (3) and a pressure-actuated valve spool (4) with an outflow region of the impeller (3) variable overlapping outer cylinder (5), characterized in that the valve slide (4) is annular, wherein the valve spool (4) a plurality of piston rods (6) are arranged in the pump housing (1) are distributed parallel to the shaft (2) evenly over the circumference of the valve slide (4) associated with the valve spool (4) piston rods (6), a plurality of bores (7) introduced at the valve slide side end in the pump housing (1) seal receivers (8 In which rod seals (9) are arranged, wherein at the opposite end of the bores (7) in the pump housing (1) has an annular groove (10) a is arranged which connects the holes (7)
- the piston rod (6) opposite end face of the annular piston (12) is inventively provided with a ring land (15) on which a Rollfaltbelag (16) is arranged, which by means of clamping elements (17) against the pump housing (1) clamped clamping cover ( 18) is attached.
- This Rollfaltbelag (16) ensures a simple and reliable sealing of the annular piston (12) relative to the annular groove (10).
- one or more pressure connection bores (20) for the pressure actuation of the valve slide (4) is / are arranged in the pump housing (1), which opens into a pressure connection piece (19) arranged on the pump housing (1).
- valve spool side of the annular piston (12) in the region of the annular groove (10) in the pump housing (1) with the outside area in communication pressure equalization holes (21) are arranged.
- pressure compensation bores (21) pressure compensation in the annular chamber (32) between the annular groove (10) and the annular piston (12) is ensured when the annular piston (12) is displaced.
- an elastomeric bypass seal (23) is arranged, which can not contribute to the jamming of the valve spool during the spool stroke and in the closed position of the valve spool (4) the annular gap (25 ) between the pump housing (1) and the valve spool (4)
- the engine temperature in continuous operation can be influenced so accurately that throughout the entire operating range of the engine both the pollutant emission, the friction losses as well as the fuel consumption is significantly reduced.
- Figure 1 an inventive, controllable coolant pump for vacuum control in the side view in section with the position of the valve spool in its rear end position ("OPEN");
- Figure 2 the inventive, controllable coolant pump for vacuum control according to Figure 1, in the side view in a further section with the position of the valve spool in its rear end position ("OPEN");
- FIG 3 the inventive, controllable coolant pump for vacuum control in the side view, in section analog Figure 1, but with the position of the valve spool in its front end position ("CLOSED");
- Figure 4 an inventive, controllable coolant pump now for pressure control in the side view in section with the position of the valve spool in its rear end position (“OPEN").
- FIG. 1 shows one of the possible designs of the controllable coolant pump according to the invention in section, in side view, with the position of the valve slide in its rear end position (“OPEN")
- OPEN rear end position
- a driven shaft 2 is mounted in a pump bearing 27.
- an impeller 3 is arranged on the free, flow-side ends of the shaft 2 rotatably an impeller 3 is arranged.
- Adjacent to this impeller 3, a pressure-actuated annular valve spool 4 is displaceably arranged in the pump housing 1 with an outer cylinder 5 which covers the outflow region of the impeller 3 in variable manner.
- a plurality of piston rods 6 are arranged at the valve spool 4 a plurality of piston rods 6 are arranged.
- piston rods 6 In the pump housing 1 are distributed in parallel to the shaft 2 uniformly over the circumference of the valve slide 4, assigned to the valve slide 4 arranged piston rods 6, a plurality of holes 7 introduced at the valve slide end are located in the pump housing 1 seal receivers 8 in which rod seals 9 are arranged at the opposite end of the holes 7 in the pump housing 1, an annular groove 10 is arranged which connects the holes 7 with each other.
- piston guides 11 In the holes 7 piston guides 11 are arranged in which the arranged on the valve spool 4 piston rods 6 are mounted axially displaceable. These arranged in the piston guides 11 piston rods 6 are connected to each other with their ringnut remedy ends by means of an annular piston 12.
- This annular piston 12 is slidably mounted in the annular groove 10. Between the holes 7 are distributed ringnut matter in the pump housing 1 evenly over the circumference of the annular piston 12, spring chambers 13 are introduced in which against the annular piston 12 braced compression springs 14 are arranged.
- the piston rod 6 opposite end face of the annular piston 12 is provided according to the invention with a ring land 15 on which a Rollfaltbelag 16 is arranged, which is fastened by means of a clamped with clamping elements 17 against the pump housing 1 clamp cover 18.
- This Rollfaltbelag 16 ensures a simple and reliable sealing of the annular piston 12 relative to the annular groove 10th
- an elastomeric bypass seal 23 is arranged which can not contribute to the jamming of the valve slide during the slide stroke.
- FIG. 2 shows now the controllable coolant pump according to the invention from FIG. 1 for vacuum regulation in the side view, in another sectional view with the position of the valve spool in turn in its rear end position (“OPEN").
- a pressure connection piece 19 is arranged according to the invention on the pump housing 1 with a pressure connection bore 20 for the pressure actuation of the valve slide 4.
- the Pressure port 20 opens pressure spring side of the annular piston 12 in the annular groove 10.
- pressure compensating bores 21 which are in communication with the outside area are arranged.
- Pressure equalizing holes 21 12 of the pressure compensation in the sealing chamber 26 between the clamping cover 18 and the roll fold 16 is ensured upon displacement of the annular piston.
- a leakage bore 31 is arranged on the impeller side of the bearing seat, which connects a leakage access 30, which is arranged in the pump housing 1 at the front side of the pump bearing 27, to the outside area.
- FIG. 3 now shows the controllable coolant pump according to the invention for vacuum regulation in the side view, in section analogous to FIG. 1, but with the position of the valve slide in its front end position ("CLOSED").
- valve slide 4 In this closed position of the valve slide 4, the valve slide 4 is located on a sealing surface 24 of the pump housing 1 and closes simultaneously with the arranged on the piston rod side outer edge 22 of the valve spool 4 elastomer bypass seal 23, the annular gap 25 between the pump housing 1 and the valve spool 4, so that itself smallest leaks in the position of the valve slide "CLOSED" can be prevented.
- a "zero leakage" and thus optimum heating of the engine are ensured with high pump efficiency, whereby the motor temperature in continuous operation can be influenced so accurately by means of the arrangement according to the invention after the heating of the engine that both in the entire working range of the engine the pollutant emission as well as the friction losses and fuel consumption are significantly reduced.
- a vent hole 28 is arranged which connects a pump housing 1 in the front end of the pump bearing 27 arranged vent inlet 29 to the outside.
- FIG. 4 Another design of the controllable coolant pump according to the invention is shown in Figure 4 in the side view, in section, with the position of the valve spool in its rear end position "OPEN”.
- This design can be used in conjunction with a hydraulic or pneumatic overpressure control.
- a pressure connection piece 19 is arranged according to the invention on the pump housing 1.
- the pressure connection bore 20 now opens the clamping lid side of the arranged on the annular piston 12 Rollfaltbelages 16 in the sealing cover 26 formed by the clamping cover 18 and arranged on the annular piston 12 Roll fold 16.
- pressure equalization holes 21 arranged.
- the pressure equalization in the annular chamber 32 between the annular groove 10 and the annular piston 12 is ensured upon displacement of the annular piston 1.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Sorption Type Refrigeration Machines (AREA)
- Details Of Reciprocating Pumps (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Reciprocating Pumps (AREA)
- Particle Accelerators (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005062200A DE102005062200B3 (en) | 2005-12-23 | 2005-12-23 | Adjustable coolant pump for internal combustion engine has annular valve pusher fitted to several piston rods movable in pump housing |
PCT/DE2006/001405 WO2007071217A1 (en) | 2005-12-23 | 2006-08-11 | Controllable coolant pump |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1963637A1 true EP1963637A1 (en) | 2008-09-03 |
EP1963637B1 EP1963637B1 (en) | 2009-06-03 |
Family
ID=37508280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06761838A Not-in-force EP1963637B1 (en) | 2005-12-23 | 2006-08-11 | Controllable coolant pump |
Country Status (10)
Country | Link |
---|---|
US (1) | US8038419B2 (en) |
EP (1) | EP1963637B1 (en) |
JP (1) | JP5044569B2 (en) |
KR (1) | KR101281679B1 (en) |
CN (1) | CN101351631B (en) |
AT (1) | ATE433046T1 (en) |
BR (1) | BRPI0612567B1 (en) |
DE (3) | DE102005062200B3 (en) |
ES (1) | ES2327780T3 (en) |
WO (1) | WO2007071217A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2902631A1 (en) | 2014-02-04 | 2015-08-05 | METELLI S.p.A. | An adjustable centrifugal pump with shutter actuated by means of a roto-translating system of inclined surfaces |
Families Citing this family (54)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102007019263B3 (en) * | 2007-04-24 | 2008-06-19 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Coolant pump for large combustion engines, e.g. for trucks, has distributed piston chambers between ring channel, slider chamber for drive pistons with guide journals end-on to chamber, protruding into and joined to pressure ring |
DE102007022189A1 (en) | 2007-05-11 | 2008-11-27 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Pulley driven, controllable coolant pump for internal combustion engine of motor vehicle, has transmitter with end including actuating and working pistons at hydraulic pipe, where working piston operates in operating medium provided in pipe |
DE102007042866A1 (en) | 2007-09-08 | 2009-03-12 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Controllable coolant pump for combustion engine of motor vehicle, has operating chamber of pressure intensifier, which is arranged at pump housing, and annular piston operating sleeve is provided, which is inserted in sleeve retainer |
AT506107B1 (en) | 2007-12-03 | 2009-11-15 | Tcg Unitech Systemtechnik Gmbh | RADIAL PUMP |
DE102008013534B4 (en) * | 2008-03-11 | 2010-06-10 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Switchable coolant pump |
DE102008022354B4 (en) | 2008-05-10 | 2012-01-19 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Controllable coolant pump and method for its regulation |
DE102008026218B4 (en) * | 2008-05-30 | 2012-04-19 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Adjustable coolant pump |
DE102008048893A1 (en) | 2008-09-25 | 2010-04-01 | Daimler Ag | Coolant conveying unit i.e. coolant pump, for use in passenger car, has step-less regulating body that exhibits complete locking function, and arranged in flow path in flow direction behind axial pump wheel |
DE102008049204A1 (en) | 2008-09-27 | 2010-04-01 | Man Nutzfahrzeuge Ag | Cooling system for vehicles with liquid-cooled internal combustion engine |
AT508076B1 (en) * | 2009-03-24 | 2011-07-15 | Tcg Unitech Systemtechnik Gmbh | RADIAL PUMP |
EP2425138A1 (en) * | 2009-04-30 | 2012-03-07 | Geräte- und Pumpenbau GmbH, Dr. Eugen Schmidt | Switchable coolant pump |
AT508413A1 (en) | 2009-06-29 | 2011-01-15 | Tcg Unitech Systemtechnik Gmbh | RADIAL PUMP |
DE102009036602A1 (en) | 2009-07-30 | 2011-02-03 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Controllable pump i.e. controllable coolant pump, for use in internal combustion engine of motor vehicle, has three spiral-shaped outlet channels from pump wheel at radial distance that is bent in circumferential direction |
EP2299085B1 (en) * | 2009-09-10 | 2017-08-02 | Pierburg Pump Technology GmbH | Coolant pump |
DE102009048349B3 (en) * | 2009-10-06 | 2010-11-18 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Coolant pump for internal combustion engine of large motor vehicle i.e. lorry, has replacement holes arranged around inner hole of back iron plate, and longitudinal grooves incorporated at back iron housing |
DE102010005731B4 (en) | 2010-01-26 | 2023-10-26 | Mercedes-Benz Group AG | Coolant delivery unit |
AT509396B1 (en) * | 2010-04-29 | 2013-01-15 | Tcg Unitech Systemtechnik Gmbh | RADIAL PUMP WITH A ROTATING WHEEL MOUNTED IN A HOUSING |
DE102010025560B4 (en) | 2010-06-30 | 2019-03-07 | Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr | Switchable coolant pump |
DE102010032540B4 (en) * | 2010-07-28 | 2019-03-21 | Mahle International Gmbh | Coolant pump |
US8550039B2 (en) * | 2010-10-28 | 2013-10-08 | GM Global Technology Operations LLC | Pump assembly and method of manufacturing same |
DE102010050261B3 (en) * | 2010-11-02 | 2012-05-03 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Adjustable coolant pump |
DE102010044167A1 (en) * | 2010-11-19 | 2012-05-24 | Mahle International Gmbh | Coolant pump mounted in motor vehicle, has valve device that is provided to disconnect suction side and pressure side of displacement pump which is connected to slider, for adjusting fluid pressure |
DE102011004172B3 (en) * | 2011-02-15 | 2012-03-01 | Schwäbische Hüttenwerke Automotive GmbH | Coolant pump with adjustable delivery volume |
DE102011012827B3 (en) * | 2011-03-02 | 2012-04-19 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Device and Method for defined longitudinal displacement of a co-rotating in a drive shaft adjustment |
DE102011012826B3 (en) | 2011-03-02 | 2012-01-12 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Controllable coolant pump for internal combustion engine of motor car, has passage hole arranged between pressure channel and pressure chamber before magnetic valve, where magnetic valve produces defined pressurization of regulating valve |
DE102011001090A1 (en) | 2011-03-04 | 2012-09-06 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt Merbelsrod | Controllable cooling system for a motor vehicle, coolant pump therefor, usable in the coolant pump impeller and method for controlling a flow of coolant in such a cooling system |
US9464635B2 (en) | 2011-03-24 | 2016-10-11 | Pierburg Pump Technology Gmbh | Mechanical coolant pump |
DE102011101275B3 (en) * | 2011-05-12 | 2012-01-12 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Regulatable coolant pump for internal combustion engine in motor car, has pressure line connected with pressure generator via control valve, path sensor arranged in housing, and adjusting spindle designed as spring attachment unit |
DE102011076137B4 (en) * | 2011-05-19 | 2014-07-17 | Schaeffler Technologies Gmbh & Co. Kg | Actuator for a regulated coolant pump |
DE102011076138A1 (en) | 2011-05-19 | 2012-11-22 | Schaeffler Technologies AG & Co. KG | Actuator for adjusting a controllable coolant pump |
DE102011079310A1 (en) * | 2011-07-18 | 2013-01-24 | Schaeffler Technologies AG & Co. KG | Coolant pump for a coolant circuit of an internal combustion engine |
ITMI20111379A1 (en) * | 2011-07-25 | 2013-01-26 | Metelli S P A | PNEUMATIC COOLING PUMP |
DE102011081875A1 (en) | 2011-08-31 | 2013-02-28 | Schaeffler Technologies AG & Co. KG | Adjustable coolant pump with a hydraulically activated actuator |
DE102011113040B3 (en) * | 2011-09-09 | 2012-04-26 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Controllable coolant pump for supplying coolant to e.g. cylinder head of internal combustion engine, has outflow opening enclosed by ring seal, which is arranged in chamber rear wall and actively connected with disk in rear end position |
DE102011083805A1 (en) * | 2011-09-30 | 2013-04-04 | Schaeffler Technologies AG & Co. KG | Adjustable coolant pump with integrated pressure chamber |
DE102011086934A1 (en) | 2011-11-23 | 2013-05-23 | Schaeffler Technologies AG & Co. KG | Adjustable coolant pump with electro-hydraulic baffle adjustment |
DE102012201341B4 (en) | 2012-01-31 | 2021-10-14 | Schaeffler Technologies AG & Co. KG | Fluid coupling for a variable drive of a coolant pump |
DE102012208101A1 (en) | 2012-05-15 | 2013-11-21 | Schaeffler Technologies AG & Co. KG | Controllable coolant pump for internal combustion engine, has actuator with radial piston pump unit comprising asymmetric oscillating pistons, and working piston connected with pushrod and acted on high pressure chamber |
DE102012208103A1 (en) | 2012-05-15 | 2013-11-21 | Schaeffler Technologies AG & Co. KG | Actuator for a regulated coolant pump |
DE102012213179A1 (en) | 2012-07-26 | 2014-01-30 | Schaeffler Technologies AG & Co. KG | Controllable coolant pump for cooling circuit of internal combustion engine, has pressure piston to which pressure medium flow is enabled, and one-way valve that is constructed as flap non-return valve |
DE102012218930A1 (en) | 2012-10-17 | 2014-04-17 | Schaeffler Technologies Gmbh & Co. Kg | Controllable coolant pump for internal combustion engine of liaison vehicle, has guide carriage that is connected with electrical operated position element over connector and is provided with seals for sealing connector |
AT513770B1 (en) | 2013-01-09 | 2016-06-15 | Tcg Unitech Systemtechnik Gmbh | radial pump |
US20140334949A1 (en) | 2013-05-09 | 2014-11-13 | Schaeffler Technologies Gmbh & Co. Kg | Labyrinthine radial piston-hydraulic variable waterpump actuation system |
DE102013212491A1 (en) | 2013-06-27 | 2014-12-31 | Schaeffler Technologies Gmbh & Co. Kg | Adjustable coolant pump of an internal combustion engine |
DE102013011209B3 (en) | 2013-07-04 | 2014-01-23 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Controllable coolant pump for internal combustion engine mounted in e.g. truck, has piston rod that is connected with permanent magnet, and linearly moved with respect to solenoid coil |
DE102015000805B3 (en) | 2015-01-22 | 2016-01-21 | Nidec Gpm Gmbh | Adjustable coolant pump |
JP6582538B2 (en) * | 2015-05-14 | 2019-10-02 | アイシン精機株式会社 | Fluid pressure pump |
DE102015119098B4 (en) | 2015-11-06 | 2019-03-21 | Pierburg Gmbh | Control arrangement for a mechanically controllable coolant pump of an internal combustion engine |
EP3431768B1 (en) | 2017-07-17 | 2022-03-30 | Airtex Products, S.A. | Adjustable coolant pump |
DE102017120191B3 (en) | 2017-09-01 | 2018-12-06 | Nidec Gpm Gmbh | Controllable coolant pump for main and secondary conveying circuit |
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DE102019122717A1 (en) | 2019-08-23 | 2021-02-25 | Nidec Gpm Gmbh | Adjustable coolant pump with piston rod guide |
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DE19901123A1 (en) * | 1999-01-14 | 2000-07-20 | Bosch Gmbh Robert | Controllable radial pump, especially for supplying coolant for car has adjuster connected with sleeve which can be slid over pump blades in axial direction |
DE10057098C1 (en) * | 2000-11-17 | 2002-03-28 | Geraete & Pumpenbau Gmbh | Regulated cooling medium pump, for internal combustion engine, uses magnetic coil and cooperating armature disc for disengaging pump drive for rapid heating of engine to its required running temperature |
DE10235721B4 (en) * | 2002-08-03 | 2006-06-29 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt Merbelsrod | Adjustable coolant pump |
DE10314526B4 (en) * | 2003-03-31 | 2007-11-29 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Coolant pump, in particular flow-cooled electric coolant pump with integrated directional control valve |
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2005
- 2005-12-23 DE DE102005062200A patent/DE102005062200B3/en not_active Expired - Fee Related
-
2006
- 2006-08-11 DE DE502006003911T patent/DE502006003911D1/en active Active
- 2006-08-11 WO PCT/DE2006/001405 patent/WO2007071217A1/en active Application Filing
- 2006-08-11 JP JP2008546084A patent/JP5044569B2/en not_active Expired - Fee Related
- 2006-08-11 KR KR1020077022880A patent/KR101281679B1/en active IP Right Grant
- 2006-08-11 DE DE112006003760T patent/DE112006003760A5/en not_active Withdrawn
- 2006-08-11 ES ES06761838T patent/ES2327780T3/en active Active
- 2006-08-11 AT AT06761838T patent/ATE433046T1/en active
- 2006-08-11 US US11/885,010 patent/US8038419B2/en not_active Expired - Fee Related
- 2006-08-11 CN CN200680048870XA patent/CN101351631B/en not_active Expired - Fee Related
- 2006-08-11 BR BRPI0612567-0A patent/BRPI0612567B1/en not_active IP Right Cessation
- 2006-08-11 EP EP06761838A patent/EP1963637B1/en not_active Not-in-force
Non-Patent Citations (1)
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See references of WO2007071217A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2902631A1 (en) | 2014-02-04 | 2015-08-05 | METELLI S.p.A. | An adjustable centrifugal pump with shutter actuated by means of a roto-translating system of inclined surfaces |
Also Published As
Publication number | Publication date |
---|---|
BRPI0612567A2 (en) | 2010-11-23 |
JP5044569B2 (en) | 2012-10-10 |
KR101281679B1 (en) | 2013-07-03 |
US20080317609A1 (en) | 2008-12-25 |
WO2007071217A1 (en) | 2007-06-28 |
JP2009520899A (en) | 2009-05-28 |
US8038419B2 (en) | 2011-10-18 |
DE102005062200B3 (en) | 2007-02-22 |
DE112006003760A5 (en) | 2008-11-20 |
BRPI0612567B1 (en) | 2018-06-26 |
CN101351631A (en) | 2009-01-21 |
EP1963637B1 (en) | 2009-06-03 |
KR20080075772A (en) | 2008-08-19 |
DE502006003911D1 (en) | 2009-07-16 |
ES2327780T3 (en) | 2009-11-03 |
ATE433046T1 (en) | 2009-06-15 |
CN101351631B (en) | 2010-06-16 |
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