EP1963637B1 - Regelbare kühlmittelpumpe - Google Patents

Regelbare kühlmittelpumpe Download PDF

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Publication number
EP1963637B1
EP1963637B1 EP06761838A EP06761838A EP1963637B1 EP 1963637 B1 EP1963637 B1 EP 1963637B1 EP 06761838 A EP06761838 A EP 06761838A EP 06761838 A EP06761838 A EP 06761838A EP 1963637 B1 EP1963637 B1 EP 1963637B1
Authority
EP
European Patent Office
Prior art keywords
pump housing
pump
piston
annular
gate valve
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.)
Not-in-force
Application number
EP06761838A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1963637A1 (de
Inventor
Eugen Schmidt
Franz Pawellek
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nidec GPM GmbH
Original Assignee
Geraete und Pumpenbau GmbH Dr Eugen Schmidt
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 Geraete und Pumpenbau GmbH Dr Eugen Schmidt filed Critical Geraete und Pumpenbau GmbH Dr Eugen Schmidt
Publication of EP1963637A1 publication Critical patent/EP1963637A1/de
Application granted granted Critical
Publication of EP1963637B1 publication Critical patent/EP1963637B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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.
  • This increased drive torque is caused by an increase in the contact force, which results from the fact that between the friction disc and the impeller by a inflow ring and a Ausströmring for the cooling medium builds up a pressure assisting vacuum, and at the same time the friction disc clutch during operation by means of overflow openings with the Pressure of the cooling medium applied.
  • optimal control of the power of cooling and cooling of automotive coolant pumps should allow for forced cooling commencing immediately upon starting the engine, thereby increasing the engine's warm-up phase with all the disadvantages encountered during this phase, such as increased friction losses, increased emissions and an increased fuel consumption can be significantly reduced.
  • the guides in this design are always the operating medium with the inevitable contamination load of the cooling medium such. Foundry sand, metal particles and the like, e.g. exposed 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 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.
  • the controllable coolant pump 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) to each other, and in the bores (7) piston guides (11) are arranged, in which the valve slide (4) arranged
  • 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) and open 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 inventive arrangement ensures a "zero leakage" and thus optimum heating of the engine at high pump efficiency.
  • the engine temperature in continuous operation can be influenced so accurately that the pollutant emission, the friction losses as well as the fuel consumption are significantly reduced in the entire operating range of the engine.
  • FIG. 1 is one of the possible designs of the variable coolant pump according to the invention in section, shown in side view, with the position of the valve spool in its rear end position ("OPEN").
  • This design can be used in conjunction with a vacuum control.
  • 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.
  • piston rods 6 are connected to each other with their ringnut relationen 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 now shows the inventive, controllable coolant pump FIG. 1 to the negative pressure control in the side view, in another sectional view with the position of the valve spool 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 equalization holes 21 12 of the pressure compensation in the seal chamber 26 between the clamping cover 18 and the roller 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 inventive, controllable coolant pump for vacuum control in the side view, in section analog FIG. 1 , but with the position of the valve spool 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 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 in the FIG. 4 in the side view, in section, with the position of the valve spool in its rear end position "OPEN" shown.
  • 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)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Reciprocating Pumps (AREA)
  • Particle Accelerators (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
EP06761838A 2005-12-23 2006-08-11 Regelbare kühlmittelpumpe Not-in-force EP1963637B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005062200A DE102005062200B3 (de) 2005-12-23 2005-12-23 Regelbare Kühlmittelpumpe
PCT/DE2006/001405 WO2007071217A1 (de) 2005-12-23 2006-08-11 Regelbare kühlmittelpumpe

Publications (2)

Publication Number Publication Date
EP1963637A1 EP1963637A1 (de) 2008-09-03
EP1963637B1 true EP1963637B1 (de) 2009-06-03

Family

ID=37508280

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06761838A Not-in-force EP1963637B1 (de) 2005-12-23 2006-08-11 Regelbare kühlmittelpumpe

Country Status (10)

Country Link
US (1) US8038419B2 (zh)
EP (1) EP1963637B1 (zh)
JP (1) JP5044569B2 (zh)
KR (1) KR101281679B1 (zh)
CN (1) CN101351631B (zh)
AT (1) ATE433046T1 (zh)
BR (1) BRPI0612567B1 (zh)
DE (3) DE102005062200B3 (zh)
ES (1) ES2327780T3 (zh)
WO (1) WO2007071217A1 (zh)

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DE102007019263B3 (de) * 2007-04-24 2008-06-19 Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt Kühlmittelpumpe
DE102007022189A1 (de) 2007-05-11 2008-11-27 Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt Regelbare Kühlmittelpumpe
DE102007042866A1 (de) 2007-09-08 2009-03-12 Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt Regelbare Kühlmittelpumpe
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DE102008013534B4 (de) * 2008-03-11 2010-06-10 Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt Schaltbare Kühlmittelpumpe
DE102008022354B4 (de) * 2008-05-10 2012-01-19 Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt Regelbare Kühlmittelpumpe und Verfahren zu deren Regelung
DE102008026218B4 (de) * 2008-05-30 2012-04-19 Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt Regelbare Kühlmittelpumpe
DE102008048893A1 (de) 2008-09-25 2010-04-01 Daimler Ag Kühlmittelfördereinheit
DE102008049204A1 (de) 2008-09-27 2010-04-01 Man Nutzfahrzeuge Ag Kühlsystem für Fahrzeuge mit flüssigkeitsgekühlter Brennkraftmaschine
AT508076B1 (de) 2009-03-24 2011-07-15 Tcg Unitech Systemtechnik Gmbh Radialpumpe
US8814497B2 (en) 2009-04-30 2014-08-26 Geraete- Und Pumpenbau Gmbh Dr. Eugen Schmidt Switchable coolant pump
AT508413A1 (de) 2009-06-29 2011-01-15 Tcg Unitech Systemtechnik Gmbh Radialpumpe
DE102009036602A1 (de) 2009-07-30 2011-02-03 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Regelbare Pumpe
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DE102010050261B3 (de) * 2010-11-02 2012-05-03 Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt Regelbare Kühlmittelpumpe
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DE102011012826B3 (de) * 2011-03-02 2012-01-12 Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt Regelbare Kühlmittelpumpe
DE102011001090A1 (de) 2011-03-04 2012-09-06 Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt Merbelsrod Regelbares Kühlsystem für ein Kraftfahrzeug, Kühlmittelpumpe hierfür, in der Kühlmittelpumpe verwendbares Flügelrad sowie Verfahren zum Regeln eines Kühlmittelflusses in einem derartigen Kühlsystem
CN103477087B (zh) * 2011-03-24 2016-07-13 皮尔伯格泵技术有限责任公司 机械式冷却剂泵
DE102011101275B3 (de) 2011-05-12 2012-01-12 Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt "Regelbare Kühlmittelpumpe"
DE102011076138A1 (de) 2011-05-19 2012-11-22 Schaeffler Technologies AG & Co. KG Aktuatorik zur Verstellung einer regelbaren Kühlmittelpumpe
DE102011076137B4 (de) 2011-05-19 2014-07-17 Schaeffler Technologies Gmbh & Co. Kg Aktuatorik für eine geregelte Kühlmittelpumpe
DE102011079310A1 (de) * 2011-07-18 2013-01-24 Schaeffler Technologies AG & Co. KG Kühlmittelpumpe für einen Kühlmittelkreislauf einer Brennkraftmaschine
ITMI20111379A1 (it) * 2011-07-25 2013-01-26 Metelli S P A Pompa di raffreddamento ad azionamento pneumatico
DE102011081875A1 (de) * 2011-08-31 2013-02-28 Schaeffler Technologies AG & Co. KG Regelbare Kühlmittelpumpe mit einem hydraulisch aktivierbaren Aktor
DE102011113040B3 (de) * 2011-09-09 2012-04-26 Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt "Regelbare Kühlmittelpumpe"
DE102011083805A1 (de) 2011-09-30 2013-04-04 Schaeffler Technologies AG & Co. KG Regelbare Kühlmittelpumpe mit integriertem Druckraum
DE102011086934A1 (de) 2011-11-23 2013-05-23 Schaeffler Technologies AG & Co. KG Regelbare Kühlmittelpumpe mit einer elektro-hydraulischen Leitblechverstellung
DE102012201341B4 (de) 2012-01-31 2021-10-14 Schaeffler Technologies AG & Co. KG Strömungskupplung für einen variablen Antrieb einer Kühlmittelpumpe
DE102012208101A1 (de) 2012-05-15 2013-11-21 Schaeffler Technologies AG & Co. KG Aktor mit einer Radialkolbenpumpe für regelbare Kühlmittelpumpen
DE102012208103A1 (de) * 2012-05-15 2013-11-21 Schaeffler Technologies AG & Co. KG Aktuatorik für eine geregelte Kühlmittelpumpe
DE102012213179A1 (de) 2012-07-26 2014-01-30 Schaeffler Technologies AG & Co. KG Regelbare Kühlmittelpumpe mit einer elektro-hydraulischen Leitblechverstellung
DE102012218930A1 (de) 2012-10-17 2014-04-17 Schaeffler Technologies Gmbh & Co. Kg Geregelte Kühlmittelpumpe
AT513770B1 (de) 2013-01-09 2016-06-15 Tcg Unitech Systemtechnik Gmbh Radialpumpe
US20140334949A1 (en) 2013-05-09 2014-11-13 Schaeffler Technologies Gmbh & Co. Kg Labyrinthine radial piston-hydraulic variable waterpump actuation system
DE102013212491A1 (de) 2013-06-27 2014-12-31 Schaeffler Technologies Gmbh & Co. Kg Regelbare Kühlmittelpumpe einer Brennkraftmaschine
DE102013011209B3 (de) * 2013-07-04 2014-01-23 Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt Regelbare Kühlmittelpumpe
EP2902631B1 (en) 2014-02-04 2018-10-24 METELLI S.p.A. An adjustable centrifugal pump with shutter actuated by means of a roto-translating system of inclined surfaces
DE102015000805B3 (de) 2015-01-22 2016-01-21 Nidec Gpm Gmbh Regelbare Kühlmittelpumpe
JP6582538B2 (ja) * 2015-05-14 2019-10-02 アイシン精機株式会社 流体圧ポンプ
DE102015119098B4 (de) 2015-11-06 2019-03-21 Pierburg Gmbh Regelanordnung für eine mechanisch regelbare Kühlmittelpumpe einer Verbrennungskraftmaschine
ES2921006T3 (es) 2017-07-17 2022-08-16 Airtex Products S A Bomba de refrigerante ajustable
DE102017120191B3 (de) * 2017-09-01 2018-12-06 Nidec Gpm Gmbh Regelbare Kühlmittelpumpe für Haupt- und Nebenförderkreislauf
EP3597925B1 (en) 2018-07-16 2024-02-14 Airtex Products, S.A. Adjustable coolant pump
DE102019122717A1 (de) 2019-08-23 2021-02-25 Nidec Gpm Gmbh Regelbare Kühlmittelpumpe mit Kolbenstangenführung
DE102019122718A1 (de) * 2019-08-23 2021-02-25 Nidec Gpm Gmbh Kolbenstangenabdichtung
CN112814774B (zh) * 2021-03-21 2022-08-19 重庆峰聂机械有限公司 一种具有高效散热功能的分离式发动机壳体

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Also Published As

Publication number Publication date
JP5044569B2 (ja) 2012-10-10
KR20080075772A (ko) 2008-08-19
ATE433046T1 (de) 2009-06-15
BRPI0612567B1 (pt) 2018-06-26
DE112006003760A5 (de) 2008-11-20
US8038419B2 (en) 2011-10-18
EP1963637A1 (de) 2008-09-03
CN101351631A (zh) 2009-01-21
JP2009520899A (ja) 2009-05-28
DE502006003911D1 (de) 2009-07-16
ES2327780T3 (es) 2009-11-03
BRPI0612567A2 (pt) 2010-11-23
US20080317609A1 (en) 2008-12-25
CN101351631B (zh) 2010-06-16
KR101281679B1 (ko) 2013-07-03
WO2007071217A1 (de) 2007-06-28
DE102005062200B3 (de) 2007-02-22

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