WO2014014943A1 - Pompe à eau et à huile électronique combinée - Google Patents

Pompe à eau et à huile électronique combinée Download PDF

Info

Publication number
WO2014014943A1
WO2014014943A1 PCT/US2013/050733 US2013050733W WO2014014943A1 WO 2014014943 A1 WO2014014943 A1 WO 2014014943A1 US 2013050733 W US2013050733 W US 2013050733W WO 2014014943 A1 WO2014014943 A1 WO 2014014943A1
Authority
WO
WIPO (PCT)
Prior art keywords
pump
water pump
pump side
rotor
oil
Prior art date
Application number
PCT/US2013/050733
Other languages
English (en)
Inventor
Richard Muizelaar
Liping Wang
Original Assignee
Magna Powertrain Of America, Inc.
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 Magna Powertrain Of America, Inc. filed Critical Magna Powertrain Of America, Inc.
Publication of WO2014014943A1 publication Critical patent/WO2014014943A1/fr

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
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/163—Combinations of two or more pumps ; Producing two or more separate gas flows driven by a common gearing arrangement
    • 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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/02—Pressure lubrication using lubricating pumps
    • F01M2001/0207—Pressure lubrication using lubricating pumps characterised by the type of pump
    • F01M2001/0215—Electrical pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/02—Pressure lubrication using lubricating pumps
    • F01M2001/0207—Pressure lubrication using lubricating pumps characterised by the type of pump
    • F01M2001/0238—Rotary pumps
    • 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
    • F01P2005/125—Driving auxiliary pumps electrically

Definitions

  • the present invention relates generally to an oil pump and a water pump for use with an engine such as an automotive vehicle. More particularly, the present disclosure relates to a combination oil pump and water pump in a single unit.
  • a combination pump having a water pump side having an inlet and an outlet.
  • a water pump chamber is contained within the water pump side and connects between the inlet and outlet of the water pump side.
  • the water pump chamber has within it a pump element connected to a rotor for pumping fluid through the water pump chamber between the inlet and the outlet of the water pump side.
  • the combination pump also has an oil pump side having an inlet and outlet with an oil pump chamber connected between the inlet and outlet.
  • a pump element is positioned within the oil pump chamber of the oil pump side and pumps fluid through the oil pump chamber between the inlet and outlet.
  • An eccentric shaft partially surrounds the rotor of the water pump side at one end and connects to the pump element at a second end.
  • a stator of the combination pump has at least one isolated coupler magnet that surrounds a portion of the rotor of the water pump side and a portion of the eccentric shaft. The stator selectively generates a magnetic field that causes rotation of both the eccentric shaft of the oil pump and the rotor of the water pump.
  • Figure I is a perspective of the pump of the teachings herein;
  • Figure 2 is a cross-sectional of the combination pump in accordance with one embodiment of the invention.
  • Figure 3 is a partial cross-sectional, view of a top half of one embodiment of a pump of the teachings herein;
  • Figure 4 is a partial cross-sectional view of the bottom half of the pump of Figure 3;
  • Figure 5 illustrates an exploded view of the pump taught herein
  • Figure 6 illustrates an exploded view of another embodiment of the pump taught herein
  • Figure 7 illustrates table 1 and table 2 providing pumping efficiency
  • Figure 8 illustrates flow rates of the pumps at specific heads and revolutions per minute of each pump
  • Figure 9 is a cross-sectional side view of an alternate embodiment of the combination pump having a single controller that independently controls the water pump side and the oil pump side.
  • DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The following description of the preferred embodiment(s) is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses.
  • the combination pump of the teachings herein includes a water pump side and an oil pump side.
  • the oil pump side and the water pump side of the teachings herein are driven by a common motor.
  • the water pump side includes a rotor and a stator.
  • the rotor and the stator are separated by a isolation jacket.
  • the rotor includes a shaft that is stationary and the rotor rotates around the shaft via one or more bearings so that the impeller is rotated and a fluid is moved. Additional aspects of the water pump side pump can be gleaned from the teachings herein, including those of paragraphs 0013 through 0032 and Figures 1 through 6 of Provisional application Serial No. 61/672,044, filed on. July 16, 2012 showing various components of the water pump and the interrelationship of the components of the water pump.
  • the oil pump side includes a shaft extending through the oil pump side.
  • the shaft may be a straight shaft.
  • the shaft is an eccentric shaft that rotates around an axis of rotation and drives a rotary pump.
  • the rotor on the oil pump side and the rotor on the water pump side may rotate in opposing directions.
  • the rotor on the oil pump side and the rotor on the water pump side rotate in the same direction so that fluids are pumped.
  • Figure 1 illustrates a combination pump 2 having a unitary pump housing 4.
  • the pump includes a water pump side 10 and an oil pump side 100.
  • the combination pump 2 on the water pump side 10 includes a volute 12 having an inlet 14 and an outlet 16.
  • the volute 12 connect to the unitary pump housing, which contains a motor 20 that drives the water pump side 10 and oil pump side 100.
  • the water pump side 10 further includes a pump chamber 21 defined by a space between the volute 12 and a wet sleeve or isolation jacket 32 connected across the unitary housing 4.
  • the pump chamber 21 connects between the inlet 14 and outlet element 22 connected to a rotor 24 that rotates about a stationary shaft 28.
  • the pump element 22 can be any suitable pump element, such as an impeller, vane pump, hydraulic pistons or any other suitable pump element used for pumping fluid, such as water or coolant, through the pump chamber 21.
  • the pump element 22 is an impeller.
  • the oil pump side 100 includes an oil pump chamber 101 with the unitary pump housing 4 connected between an inlet 02 and outlet 103.
  • a pump element 110 is rotates within the pump chamber 101 and pump oil between the inlet 102 and outlet 103 of the oil pump side 100.
  • the pump element 110 can be any type of suitable oil pump element, such as but not limited to a vane pump, gerotor, hydraulic piston cylinder or any other suitable pump element.
  • the pump element 110 is a gerotor pump having an inner rotor 112, which is star shaped and having vanes 114.
  • the inner rotor 112 is positioned within an outer rotor 116 and rotates within outer rotor 116 to pump oil through the pump chamber 101 between the inlet 102 and outlet 103.
  • the motor 20 Located within the unitary pump housing 4, on the oil pump side 100 the motor 20 includes a stator 26 with at least one electromagnetic coil 30 that partially circumscribe a portion of the isolation jacket 32 and partially circumscribe a portion of the rotor 24 of the water pump side 10.
  • the rotor 24 is partially circumscribed by the stator 26 and separated from the stator 26 by the isolation jacket 32.
  • the isolation jacket 32 prevents fluid from contacting the stator 26.
  • the stator 26 and electromagnetic coil 30 also partially circumscribe the open cylinder 133 of an eccentric shaft 130 that is connected at one end to the inner rotor 112 on the oil pump side 100.
  • the open cylinder 133 has motor magnets 36 connected to the outside surface of the open cylinder 133, adjacent the electromagnetic coil 30. When the electromagnetic coil 30 is energized, the magnetic field created acts on the motor magnets 36, which causes the eccentric shaft 130 to rotate. The rotation of the eccentric shaft 130 also rotates the inner rotor 112 of the pump element 1 10 of the oil pump side 100.
  • At least one eccentric shaft coupler magnet 34 On an interior surface 135 of the open cylinder 133 is at least one eccentric shaft coupler magnet 34 that is in magnetic with at least one rotor coupler magnet 33 connected to the outside surface of the rotor 24 of the water pump side 10.
  • the isolation jacket 32 separates the eccentric shaft coupler magnet 34 and the rotor coupler magnet 33; however, the eccentric shaft coupler magnet 34 and the rotor coupler magnet 33 are still attracted to each other through the isolation jacket 32.
  • the above described operation of the combination pump 2 is controlled by a single controller 120, contained within the unitary pump housing 4, on the oil pump side 100.
  • the controller 120 is a circuit board having programmable logic capable of controlling the electrical voltage and current applied to the motor 20.
  • the controller 120 is protected from water from the water pump side 10 by the isolation jacket 32.
  • the controller 120 is also protected from oil in the oil pump chamber 101 by a bearing 122 and dynamic seal 124 arrangement connected to the eccentric shaft.
  • the single controller 120 acts as a controller that controls the flow of both the water pump side 10 and the oil pump side 100.
  • Figure 4 illustrates a close-up view of the oil pump side 100 of Figure 2.
  • the rotary pump 110 is shown having a rotor 112 and vanes 114 inside a pump chamber 101.
  • the inlet 102 and the outlet 103 of the oil pump side 100 are shown.
  • FIG. 5 illustrates an exploded view of possible components of the oil pump side 100.
  • the pump includes the bearing 122 and dynamic seal 124 located above a rotary pump 1 10, which in the present embodiment is a gerotor pump.
  • the rotary pump 110 includes an inner rotor 112 having vanes 1 14.
  • the inner rotor 112 is located within an outer rotor 116.
  • the outer rotor 1 16 and the inner rotor 112 are located within the pump chamber 101 so that oil (not shown) is moved.
  • a controller 120 controls operation of the combination pump 2.
  • Figure 6 illustrates an exploded view of the both the water pump side 10 and the oil pump side 100. As illustrated the eccentric motor shaft 130 is shown extending through the rotary pump 110 the motor magnet 122 and the dynamic fill 124.
  • Figure 7 illustrates Table 1 comparing the engine speed of the pump to the discharge flow rate of the pump, Table 1 further compares discharge flow as the constant pressure of the pump varies.
  • Table 2 compares engine speed to mechanical efficiency of the motor.
  • Table 2 compares efficiencies as the constant pressure of the pump varies.
  • Figure 8 illustrates flow rates as the head of the pump is varied at different engine speeds.
  • Figure 9 is a cross-sectional side view of an alternate embodiment of a combination pump 200 having a single controller 604 that independently controls the water pump side 300 and the oil pump side 400.
  • the combination pump 200 is shown having a water pump side 300 and oil pump side 400 within a unitary pump housing 302, which have components similar or nearly identical to the components shown and described in Figures 1-8.
  • the main difference with the present embodiment of the invention compared to the embodiment shown is Figures 1-8 is that the unitary pump housing 302 on the oil pump side 400 has a first stator 500 and second stator 600 both controlled by a single electronic controller 604 located with the unitary pump housing 302.
  • the first stator 500 has at least one magnetic coil 502 that circumscribes a cylinder portion 404 of the eccentric shaft 402.
  • One end of the eccentric shaft 402 is connected to an oil pump element 406.
  • the cylinder portion 404 has at least one motor magnet 407 connected to the exterior surface of the cylinder portion 404. It is also within the scope of this invention for the cylinder portion 404 to be formed of magnetic material by a process such as sintering, which will eliminate the need to connect a separate motor magnet to the surface of the cylinder portion 404.
  • a rotor 312 connected to the pump element 314, contained in the isolation jacket 311 has at least one rotor magnet 316 on the outside surface of the rotor 312.
  • the second stator 600 has at least one magnetic coil 602 is located in the oil pump side 400 and circumscribes a portion of the isolation jacket 311 , the rotor magnet 316 and a portion of the rotor 312.
  • a magnetic field is induced by the magnetic coil 602 which causes the rotor 312 to rotate the pump element 314 and pump water or coolant through the water pump side 300 in a manner similar to the operation of the water pump side 10 described in Figures 1-8 above.
  • the operation of the combination pump 200 is controlled by the single controller 604 contained in the oil pump side 400 within the unitary pump housing 302.
  • the single controller 604 independently controls the operation of the first stator 500 and second stator 600 to allow for the water pump side 300 and oil pump side 400 flow to be contained within a unitary pump housing and controlled by a single controller 604.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

L'invention concerne une pompe combinée comprenant : une pompe à eau présentant : un rotor comprenant un arbre fixe, un stator et une chemise d'isolation ; et une pompe à huile présentant : un rotor qui entoure la chemise d'isolation de la pompe à eau, un arbre à excentrique fixé sur le rotor, une pompe rotative en communication avec l'arbre à excentrique de sorte que lorsque l'excentrique est entraîné en rotation, la pompe rotative soit entraînée en rotation et pompe un fluide ; le rotor de pompe à eau et le rotor de pompe à huile étant entraînés par un aimant commun.
PCT/US2013/050733 2012-07-16 2013-07-16 Pompe à eau et à huile électronique combinée WO2014014943A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261672187P 2012-07-16 2012-07-16
US61/672,187 2012-07-16

Publications (1)

Publication Number Publication Date
WO2014014943A1 true WO2014014943A1 (fr) 2014-01-23

Family

ID=48901183

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2013/050733 WO2014014943A1 (fr) 2012-07-16 2013-07-16 Pompe à eau et à huile électronique combinée

Country Status (2)

Country Link
US (1) US20140050602A1 (fr)
WO (1) WO2014014943A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019159081A1 (fr) * 2018-02-14 2019-08-22 Stackpole International Engineered Products, Ltd. Gérotor à broche

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10291091B2 (en) 2014-09-25 2019-05-14 Magna Powertrain Fpc Limited Partnership Electric fluid pump with improved rotor unit, rotor unit therefor and methods of construction thereof
CN106321217B (zh) * 2015-06-18 2020-06-05 浙江三花汽车零部件有限公司 电驱动泵及其制造方法
CN108930654A (zh) * 2018-09-06 2018-12-04 天台华鑫电器有限公司 一种直流电子水泵
US11739756B2 (en) * 2020-11-30 2023-08-29 Deere & Company Multi-pump apparatus of cooling system
EP4282055A1 (fr) * 2021-01-19 2023-11-29 Gates Corporation Moteur à flux axial à stator mécaniquement indépendant

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2635831A1 (fr) * 1988-08-30 1990-03-02 Aisin Seiki Systeme de pompe hydraulique pour systeme de ventilateur entraine hydrauliquement
US20050103286A1 (en) * 2003-11-18 2005-05-19 Sang Woo Ji Electric twin flow pump apparatus
KR100868615B1 (ko) * 2007-06-21 2008-11-13 현대자동차주식회사 하이브리드 자동차용 통합 펌프

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2635831A1 (fr) * 1988-08-30 1990-03-02 Aisin Seiki Systeme de pompe hydraulique pour systeme de ventilateur entraine hydrauliquement
US20050103286A1 (en) * 2003-11-18 2005-05-19 Sang Woo Ji Electric twin flow pump apparatus
KR100868615B1 (ko) * 2007-06-21 2008-11-13 현대자동차주식회사 하이브리드 자동차용 통합 펌프

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019159081A1 (fr) * 2018-02-14 2019-08-22 Stackpole International Engineered Products, Ltd. Gérotor à broche
CN111183287A (zh) * 2018-02-14 2020-05-19 斯泰克波尔国际工程产品有限公司 带芯轴的摆线泵
US11035360B2 (en) 2018-02-14 2021-06-15 Stackpole International Engineered Products, Ltd. Gerotor with spindle

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