CN105051371A - Tandem electric pump - Google Patents

Tandem electric pump Download PDF

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Publication number
CN105051371A
CN105051371A CN201480016582.0A CN201480016582A CN105051371A CN 105051371 A CN105051371 A CN 105051371A CN 201480016582 A CN201480016582 A CN 201480016582A CN 105051371 A CN105051371 A CN 105051371A
Authority
CN
China
Prior art keywords
pump
pumping section
rotor
axle
case
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
Application number
CN201480016582.0A
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Chinese (zh)
Other versions
CN105051371B (en
Inventor
理查德·穆伊泽拉尔
凯勒·米尔斯
吉尔·哈达尔
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.)
Hanang auto parts Canada Ltd.
Original Assignee
Magna Powertrain 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 Inc filed Critical Magna Powertrain Inc
Publication of CN105051371A publication Critical patent/CN105051371A/en
Application granted granted Critical
Publication of CN105051371B publication Critical patent/CN105051371B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
    • F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
    • F04C15/0069—Magnetic couplings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F04C11/001—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of similar working principle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F04C11/005—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of dissimilar working principle
    • F04C11/006—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of dissimilar working principle having complementary function
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F04C11/008—Enclosed motor pump units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/06—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations specially adapted for stopping, starting, idling or no-load operation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
    • F04C15/0084—Brakes, braking assemblies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/102—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member the two members rotating simultaneously around their respective axes
    • 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
    • F04D13/021—Units comprising pumps and their driving means containing a coupling
    • F04D13/024—Units comprising pumps and their driving means containing a coupling a magnetic coupling
    • 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
    • F04D13/12—Combinations of two or more pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B19/00—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
    • F04B19/20—Other positive-displacement pumps
    • F04B19/22—Other positive-displacement pumps of reciprocating-piston type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/126—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/16—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/18—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with similar tooth forms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C2/3448—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member with axially movable vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2210/00—Fluid
    • F04C2210/10—Fluid working
    • F04C2210/1094—Water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal 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
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0686—Mechanical details of the pump control unit

Abstract

A tandem pump with a pump housing that includes a first pump portion with a first pump inlet and first pump outlet. The pump housing further includes a second pump portion having a second pump inlet and a second pump outlet. Within the pump housing is a rotatable common shaft that extends between the first and second pump portions. A first pump chamber includes a first pump element with a first pump outer rotor surrounding a first pump inner rotor. The first pump inner rotor is connected to a first end of the common shaft. A second pump chamber has a second pump element operationally connected to a second end of the common shaft located opposite the first end of the common shaft. A stator is positioned in the first pump portion of the pump housing and circumscribes the first pump outer rotor.

Description

Series connection motor-drive pump
The cross reference of related application
The application is PCT international application and requires the U.S. Patent application No.61/803 in submission on March 20th, 2013, the rights and interests of 688.
Technical field
The present invention relates to a kind of series connection motor-drive pump, this series connection motor-drive pump by two independently pump chamber be combined in same housing.
Background technique
Generally speaking, pump comprises stators and rotators.Rotor is communicated with pump element for making fluid move.Fluid to be flow in pump and the outlet flowed through in pump by entrance when it flows through pump element.Usually, rotor and stator are separated by magnetic air gap, and rotor and stator comprise rare earth metal, make the magnetic air gap between rotor with stator to become to make rotor to rotate during use by bridge joint, and rotor, stator or rotor and stator are worked on fluid isolation during use.But the rare earth metal of use may by fluid damage, and therefore rare earth metal may need extra packaging to prevent from damaging.
Following pump will be attractive: this pump has volume and the quality of reduction, and this pump can be fitted in the less space of the machine of such as vehicle motor.Following pump will be attractive: this pump maintain moyor, pumping efficiency and noise, vibration and sound vibration roughness characteristic while comprise less parts.To be attractive for making the pump-unit of dissipate heat.The pump comprising the series of standards parts of cross-platform (multiple platform) will be attractive.
Summary of the invention
A kind of pumps in series with following pump case: this pump case comprises first pumping section with the first pump intake and the first pump discharge.This pump case also comprises second pumping section with the second pump intake and the second pump discharge.There is the rotatable common shaft extended between the first pumping section and the second pumping section in pump case.
First pumping section has the first pump chamber, and the first pump chamber comprises the first pump element of the first pump external rotor with external first pump internal rotor.First pump internal rotor is connected to the first end of common shaft.Second pump chamber of the second pumping section has the second pump element, and the second pump element is operatively connected to the second end of common shaft, and this second end is positioned at the opposition side of the first end of common shaft.
Stator is positioned in the first pumping section of pump case and is positioned with, and the external first pump external rotor of this stator.Stator and the first pump external rotor magnetic coupling, make the energising of stator cause the first pump external rotor to rotate and described first pump chamber be pumped across by first fluid between the first pump intake and the first pump discharge.The rotation of the first pump external rotor causes the first pump internal rotor to rotate, and the common shaft that is rotated through of the first pump internal rotor is passed to the second pump element.Second pump element rotates, thus second fluid is pumped across the second pump chamber between the second pump intake and the second pump discharge.
Other applications of the present invention become obvious by from hereinafter provided detailed description.Although it should be understood that this detailed description and particular example instruction preferred embodiment of the present invention, this detailed description and particular example be only intended to for illustration of object, and be not intended to limit the scope of the invention.
Description of the invention is essentially only exemplary, and the modification therefore not departing from purport of the present invention is intended within the scope of the present invention.These modification should not be regarded as a departure from the spirit and scope of the present invention.
Accompanying drawing explanation
Fig. 1 is the sectional view of pumps in series according to first embodiment of the invention;
Fig. 2 is the exploded perspective view of the pumps in series of Fig. 1 according to first embodiment of the invention;
Fig. 3 is the side, sectional planimetric map of pumps in series second embodiment of the invention;
Fig. 4 is the side, sectional planimetric map of the pumps in series according to the 3rd mode of execution of the present invention;
Fig. 5 A is the side, sectional planimetric map of the pumps in series according to the 4th mode of execution of the present invention;
Fig. 5 B is the side, sectional planimetric map of the pumps in series according to the 5th mode of execution of the present invention;
Fig. 6 is the side, sectional planimetric map of the pumps in series according to the 6th mode of execution of the present invention; And
Fig. 7 is the side isometric view of the pumps in series according to the 6th mode of execution of the present invention.
Embodiment
The preferred embodiment following description of (multiple mode of execution) is essentially only exemplary and is intended to absolutely not restriction the present invention, application of the present invention or purposes.
Referring now to Fig. 1 and Fig. 2, the first mode of execution of the present invention is shown as and comprises pumps in series 10, and this pumps in series 10 has two electric oil pumps be contained in pump case 12.First pumping section 14 with the first pump intake 16 and the first pump discharge 18 is comprised in pump case 12.Second pumping section 20 has the second pump intake 22 and the second pump discharge 24 arranged through pump case 12.In present embodiment of the present invention, the first pumping section 14 of pumps in series 10 is main oil pump, and the second pumping section 20 of pumps in series 10 is transmission fluid pump.Within the scope of the invention, the first pumping section 14 and the second pumping section 20 can be the pumps of other types, and example comprises the pump making fluid, air, water, antifreezing solution, freezing mixture or its composition movement.In addition, about the every other mode of execution described in the text of the present invention, described two pumps can also comprise aforementioned various types of application.In all of the embodiments of the present invention, the first pumping section 14 pumping first fluid, and the second pumping section 20 pumping second fluid, second fluid can be identical from first fluid or different.Therefore, pumps in series 10 can be used to replace two independent pumps.
Common shaft 26 is rotatably located in pump case 12, and this common shaft 26 extends between the first pumping section 14 and the second pumping section 20.First pumping section 14 comprises the first pump chamber 28 and has the first pump external rotor 32 that the first pump element 30, first pump element 30 comprises external first pump internal rotor 34.First pump internal rotor is rotatably connected to the first end of common shaft 26.
Second pumping section 20 has the parts that the second pump chamber 36, second pump element 38 comprising the second pump element 38 has the second end being connected to common shaft 26.Second pump element 38 comprises the second pump external rotor 40 of external second pump internal rotor 42.
Pumps in series 10 also comprises the stator 44 be contained in pump case 12.Be in the present embodiment of the present invention shown in Fig. 1, stator 44 is arranged in the first pumping section 14, external first pump external rotor 32 and be magnetically coupled to the first pump external rotor 32, makes the energising of stator 44 cause the first pump external rotor 32 to rotate.First fluid is pumped across the first pump chamber 28 between the first pump intake 16 and the first pump discharge 18 by the rotation of the first pump external rotor 32.Because the first pump internal rotor 34 engages in the mode engaged with the first pump external rotor 32, therefore the first pump external rotor 32 causes the rotation of the first pump internal rotor 34 around the rotation of the first pump internal rotor 34.In present embodiment of the present invention, the first pump external rotor 32 and the first pump internal rotor 34 are gear rotor or gear.When the first pump internal rotor 34 rotates, common shaft 26 will also rotate, thus the common shaft 26 that is rotated through of the first pump internal rotor 34 is passed to the second pump element 38.More specifically, the rotation of common shaft 26 causes the second pump internal rotor 42 to rotate, thus makes the second pump fluid to be pumped across the second pump chamber 36 between described second pump intake 22 and the second pump discharge 24.
In present embodiment of the present invention, the second pump external rotor 40 and the second pump internal rotor 42 are also for forming two gears of rotor-type pump.But within the scope of the invention, the first pump element 30 and the second pump element 38 are the pump element of another type.Such as, within the scope of the invention, first pump element 30 and the second pump element 38 are wing pump or any other main pump kind, and any other main pump kind described is including, but not limited to volute pump, screw pump, gear pump, Roots pump, peristaltic pump, plunger pump, pulse pump and centrifugal pump.The every other mode of execution with the pump element of the one in the pump comprising aforementioned particular type is also included in scope of the present invention.
About pump case 12, this pump case 12 is single housing, is meant to be the single housing of accommodating two pumps formed by several parts comprising the first pumping section housing 13 and the second pumping section housing 15.This pump case also has stator sleeve 17 and separating device 21, and this separating device 21 is positioned between the first pumping section housing 13 and the second pumping section housing 15.In addition, the electronics lid 19 being connected to the second pumping section housing 15 is also comprised according to the pump case 12 of present embodiment of the present invention.
Pumps in series 10 according to the present invention also comprises Single Electron controller 46, and this Single Electron controller 46 is connected to electronics lid 19 and is mounted to the outside of the first pumping section housing 13.Single Electron controller 46 contacts with radiating mode with electronics lid 19, to remove the heat from Single Electron controller 46.Single Electron controller 46 controls the energising of stator 44.Single Electron controller 46 comprises one or more igbt, and one or more igbt described can provide voltage signal fast when application-specific needs to stator 46.Following content also drops within the scope of the invention, that is, all of the embodiments of the present invention comprises the Single Electron controller 46 can with one or more igbt.
Referring now to Fig. 3, show the second mode of execution of the present invention, wherein, pumps in series 10 ' comprises the combination of oil pump and water pump.Similar or identical reference character from Fig. 1 with Fig. 2 is continued to use to Fig. 3, and new structure or different structures are with new reference character or utilize original mark to indicate.In present embodiment of the present invention, the first pumping section 14 is similar or almost identical with the first pumping section 14 shown in Fig. 1.First pumping section 14 comprises the first pump chamber 28, first pump chamber 28 and has the first pump external rotor 32 and by external the first pump internal rotor 34 of the first pump external rotor 32.First pump internal rotor 34 is connected to common shaft 26, and this common shaft 26 extends to the second pumping section 20 '.Second pumping section 20 ' has the second pump chamber 36 ' limited by wet cylinder liner 48 and spiral case 50.Spiral case 50 has the second pump intake (not shown) and is formed through the second pump discharge 24 ' of spiral case 50.Second pump chamber 36 ' is wet district, and second fluid moves through the second pump chamber 36 ', and therefore wet cylinder liner 48 and spiral case 50 utilize Sealing 52 to be connected to pump case 12 ', and the seal 52 prevents the leakage of the second fluid in the second pump chamber 36.Present embodiment of the present invention also comprises the second pump element 38 ', the second pump element 38 ' and comprises magnet rotor 54, and this magnet rotor 54 has the magnet 56 being attached to this magnet rotor 54.Magnet rotor 54 is rotatably positioned in wet cylinder liner 48 and spiral case 50.
The second pump element 38 in present embodiment of the present invention also comprises the magnetic coupling piece 58 of the end being connected to common shaft 26, and wherein, magnetic coupling piece 58 has magnet 59, the part of the external wet cylinder liner 48 of magnet 59 and the magnet 56 be magnetically coupled on magnet rotor 54.
Pumps in series 10 ' shown in Fig. 3 in following in operate in the mode similar with the pumps in series shown in Fig. 1, that is, the energising of stator 44 causes the first pump external rotor 32 to rotate around the first pump internal rotor 34, fluid to be pumped across the first pumping section 14.The rotation of the first pump external rotor 32 causes the rotation of the first pump internal rotor 34 and causes the rotation of common shaft 26.Being rotated through the connection between magnetic coupling piece 58 and common shaft 26 of common shaft 26 and cause the rotation of the magnetic coupling piece 58 of the second pumping section 20 '.The magnetic be rotated through through the wet cylinder liner 48 magnet 56 with magnet 59 of magnetic coupling piece 58 is connected and causes the rotation of magnet rotor 54.The rotation of magnet rotor 54 makes second fluid be pumped across the second pump chamber 36 ' limited by wet cylinder liner 48 and spiral case 50, and second fluid is moved between the second pump intake (not shown) and the second pump discharge 24 '.
Second pump intake (not shown) is invisible in figure 3, reason be the second pump intake be formed in spiral case 50 with a part for the plane orthogonal of the sectional view shown in Fig. 3.But Fig. 4 shows the second pump intake 22 ' being arranged in spiral case 50, this spiral case 50 is identical with spiral case 50 type used in the embodiment shown in fig. 3, and this second pump intake 22 ' is identical with the entrance 22 ' type used in the embodiment shown in fig. 3.
Referring now to Fig. 4, show pumps in series 10 " the cross section of the 3rd mode of execution.The similar reference character with the identical or equivalent structure shown in foregoing figures is continued to use to Fig. 4.Fig. 4 shows the mode of execution with first pumping section 14 identical with the first pumping section in Fig. 1 to Fig. 3 and second pumping section 20 ' identical with the second pumping section shown in Fig. 3, and this mode of execution is Gerotor-type pump.Pumps in series 10 ' shown in Fig. 3 and the pumps in series shown in Fig. 4 10 " between Main Differences be that stator 44 ' is positioned in the following region of pump case 12, that is, external second pump element 38 of stator 44 ' " magnetic coupling piece 58 ' time place region.Second pump element 38 " comprise magnetic coupling piece 58 ' and magnet rotor 54.Magnetic coupling piece 58 ' has magnet 60, and magnet 60 is connected to the outer side surface of the adjacent stator 44 ' of magnetic coupling piece 58 '.Magnetic coupling piece 58 ' also has the magnet 59 be positioned on the inner side surface of magnetic coupling piece 58 ', and magnet 59 connects in the mode being similar to Fig. 3.In present embodiment of the present invention shown in Figure 4, the energising of stator 44 ' causes magnetic coupling piece 58 ' to rotate, the rotation of magnetic coupling piece 58 ' then cause the second pump element 38 " magnet rotor 54 rotate and fluid be pumped across the second pump chamber 36 '.Because magnetic coupling piece 58 ' is connected to common shaft 26, therefore the rotation of magnetic coupling piece 58 ' also causes the rotation of common shaft 26.The rotation of common shaft 26 causes the second pumping section 20 ' to operate in the mode slightly different from the mode of operation of the second pumping section 20 in Fig. 1 to Fig. 3.In present embodiment of the present invention shown in Figure 4, the rotation of common shaft 26 causes the internal rotor 42 ' of the second pump chamber 36 ' to rotate, and this makes fluid be pumped across the second pump chamber 36 '.
In mode of execution shown in Figure 4, Single Electron controller 46 ' is positioned between the first pump chamber 28 ' and the second pump chamber 36 '.Which eliminate the existence of the electronics lid 19 shown in Fig. 1 to Fig. 2.
Referring now to Fig. 5 a and Fig. 5 b, illustrated therein is the 4th mode of execution of the present invention and the 5th mode of execution.In the mode of execution illustrated in figs. 5 a and 5b, pumps in series utilizes single controller to provide the variable control of two pump elements to pumps in series.
Fig. 5 a shows variable in-line pump 100, and this variable in-line pump 100 comprises pump case 112, and this pump case 112 comprises the first pumping section 114 for oil pump for engine and the second pumping section 120 for gear box oil pump.
First pumping section 114 has the first pump intake 116 and the first pump discharge 118.Second pumping section 120 has the second pump intake (not shown) and the second pump discharge 124.
First axle 126 is rotatably positioned in the first pumping section 114 in pump case 112, and the second axle 127 to be rotatably positioned in pump case 112 and to extend in the second pumping section 120.First pumping section 114 comprises the first pump chamber 128 and has the first pump element 130, first pump element 130 and comprises the first pump external rotor 132 around the first pump internal rotor 134.First pump internal rotor is rotatably connected to the first end of the first axle 126.
Second pumping section 120 has the parts that the second pump chamber 136, second pump element 138 comprising the second pump element 138 has the second end being connected to the second axle 127.Second pump element 138 comprises the second pump external rotor 140 of external second pump internal rotor 142.
Pumps in series 100 also comprises the stator 144 be contained in pump case 112.Stator 144 has the first coil 146 and the second coil 148.The external first pump external rotor 132 of first coil 146 and be magnetically coupled to the first pump external rotor 132, and the external magnetic coupler element 150 of the second coil 148 and be magnetically coupled to magnetic coupler element 150, this magnetic coupler element 150 is formed on the end of the second axle 127.When the first coil 146 is energized, the first pump external rotor 132 will rotate, thus make fluid be pumped across the first pump chamber 130.First pump external rotor 132 and the second pump internal rotor 134 are gear, and they form rotor-type pump.
When the second coil 148 is energized, magnetic coupler element 150 rotates, and this makes the second axle 127 rotate.Second axle 137 is connected to the second pump internal rotor 142, and this makes fluid be pumped across the second pump chamber 136.Second pump internal rotor 142 and the second pump external rotor 140 are gear, and they form rotor-type pump.
Pumps in series 110 according to the present invention also comprises Single Electron controller 152, and this Single Electron controller 152 controls the energising of the first coil 146 and the second coil 148 independently.Single Electron controller 152 comprises one or more igbt, and one or more igbt described can provide voltage signal fast when application-specific needs to stator 144.This allows the first pumping section 114 and the second pumping section 120 for variable, and reason is that the output of the first pumping section 114 and the second pumping section 120 is independent of one another.
Fig. 5 b shows variable in-line pump 200, and this variable in-line pump 200 comprises pump case 212, and this pump case 212 comprises the first pumping section 214 for water pump and the second pumping section 220 for gear box oil pump.But as indicated above, described pumping section is not limited to water pump and gearbox pump, but it can be the pump of any type for making fluid movement.
First pumping section 214 has wet cylinder liner 248 and the spiral case 250 of restriction first pump chamber 228.Spiral case 250 has the first pump intake 216 and the first pump discharge 218.First pumping section 214 comprises the first pump element 230, first pump element 230 comprises the first magnet rotor 254 of connection first axle 226, wherein, first magnet rotor 254 and the first axle 226 to be rotatably positioned in wet cylinder liner 28 and to extend in the first pump chamber 228, to make first fluid move through the first pump chamber 228 between the first pump intake 216 and the second pump discharge 218.First magnet rotor 225 has magnet 256, and magnet 256 is connected to the part on the surface of the first magnet rotor 225.
First pump element 230 is also included in a part for the external wet cylinder liner of the first magnetic coupler element 258, first magnetic coupler element 258 248 outside the first pump chamber 228 and the magnet 256 of the first magnet rotor 254 and optionally rotates around a described part for wet cylinder liner 248 and the magnet 256 of the first magnet rotor 254.First magnetic coupler element 25 has the outer side magnet 260 on outer side surface and the inner side magnet on inner surface 259, and outer side magnet 260 and inner side magnet 259 are magnetically coupled to the magnet 256 of the first magnet rotor 254 by wet cylinder liner 248.
Single stator 244 is positioned in housing 212, and this stator 244 has the first coil 246 and the second coil 248.External first magnetic coupler element 258 of first coil 246, and the outer side magnet 260 of the energising of the first coil 246 to the first magnetic coupler element 258 works, thus the first magnetic coupler element 258 is rotated around the part being connected with magnet 256 of the first magnet rotor 254.The inner side magnet 259 of the first magnetic coupler element 258 is magnetically coupled to the magnet 256 of the first magnet rotor 254 by wet cylinder liner 248.This makes the first magnet rotor 254 rotate when the first coil 246 is energized and the first magnetic coupling piece 258 rotates.When the first magnet rotor 254 rotates, first fluid starts to be pumped across the first pumping section 214.
Second pumping section 220 has the parts that the second pump chamber 236, second pump element 238 comprising the second pump element 238 has the end being connected to the second axle 227.Second pump element 238 comprises the second pump external rotor 240 of external second pump internal rotor 242.
Magnetic coupler element 250 on external the other end being formed in the second axle 227 of the second coil 248 of stator 244 and be magnetically coupled to this magnetic coupler element 250.When the second coil 248 is energized, magnetic coupler element 250 rotates, and this causes the second axle 227 to rotate.Second axle 237 is connected to the second pump internal rotor 242, and this causes fluid to be pumped across the second pump chamber 236.Second pump internal rotor 242 and the second pump external rotor 240 are gear, and described gear forms rotor-type pump.
Pumps in series 200 according to the present invention also comprises Single Electron controller 252, and this Single Electron controller 252 controls the energising of the first coil 246 and the second coil 248 independently.Single Electron controller 252 comprises one or more igbt, and one or more igbt described can provide voltage signal fast when application-specific needs to stator 244.This allows the first pumping section 214 and the second pumping section 220 for variable, and reason is that the output of the first pumping section 214 and the second pumping section 220 is independent of one another.In present embodiment of the present invention, Single Electron controller 252 is positioned to adjacent with wet cylinder liner 248 and contacts with radiating mode (inheatsink) with wet cylinder liner 248, makes the fluid flowing through the first pump chamber 228 will cool Single Electron controller 252 by this heat radiation.Following scheme is also contained in scope of the present invention: the Single Electron controller in another water pump mode of execution illustrated in figs. 3 and 4 is positioned to adjacent with wet cylinder liner and contacts with radiating mode with wet cylinder liner.
Referring now to Fig. 6 to Fig. 7, show the 6th mode of execution of pumps in series 300.Pumps in series 300 has pump case 312, and this pump case 312 limits the first pumping section 314, first pumping section 314 and has the first pump intake 316 and the first pump discharge 318 being disposed through pump case 312.Pumps in series 300 also has the second pumping section 320, second pumping section 320 and has the second pump intake 322 and the second pump discharge 324 being disposed through pump case 312.
There is the first pump chamber 328 of the first pumping section 314 in pump case 312.First pump chamber 328 fluid is connected to the first pump intake 316 and the second pump intake 318.First pumping section 314 also comprises the first pump element 330, first pump element 330 and comprises the first pump external rotor 332 around the first pump internal rotor 334.First pump internal rotor is connected to the first end of the first axle 326.First axle 326 is rotatably positioned in pump case 312.
There is the second pump chamber 336 of described second pumping section 320 in pump case 312.Second pump chamber 336 is connected with the second pump intake 322 and the second pump discharge 324 fluid.Second pumping section 320 is included in the second pump element 338 in the second pump chamber 336.Second pump element 338 has the second pump external rotor 340 of external second pump internal rotor 342.Second pump internal rotor 342 is connected to the second axle 327 and can rotates in the second pump chamber 336.
Between the first pumping section 314 and the second pumping section 320, have single rotor 354, this single rotor 354 is rotatably positioned at the inner side of pump case 312.Single rotor 354 is connected to the first axle 326 and the second axle 327.Single rotor 354 also has winding magnetic coil 355 on its outer lateral surface.There is the first clutch component 356 be connected between single rotor 354 and the first axle 326 in single rotor 354.Also there is the second clutch component 358 be connected between single rotor 354 and the second axle 327.First clutch component 356 and second clutch component 358 are overrunning clutch, its frame is mounted to single rotor 354 and its inner sleeve is connected to the one in the first axle 326 or the second axle 327, and is positioned with needle bearing between inner sleeve and frame.When single rotor 354 rotates along the direction that clutch engages, the moment of torsion from single rotor 354 will be applied to the first axle 326 or the second axle 327.When single rotor 354 along clutch disconnect the direction engaged rotate time, first clutch component 356 or second clutch component 358 disconnect and engaging, and the first axle 326 or the second axle 327 will rotate freely and not by the rotary actuation of single rotor 354.Although present embodiment of the present invention has needle bearing clutch member, the use of the clutch mechanism of any other type all falls within the scope of the invention in fact.
Pumps in series 300 also has stator 344, and this stator 344 has the stator coil 346 of the magnetic coil 355 of external single rotor 354.The one energising of stator coil 346 in the first manner or in the second way, wherein, single rotor 354 is caused to engage and the first direction that first clutch element 356 is engaged rotation along making second clutch element 358 disconnect with the energising of described first kind of way.When the energising of this mode occurs, the first axle 326 makes the first pumping element 330 rotate.Stator coil 346 is energized in the second and causes single rotor 354 to engage and the second direction that second clutch 358 is engaged rotation along making first clutch 356 disconnect, and orders about the second axle 327 and drive the second pumping element 338 to rotate.
The energising of stator 344 is controlled by Single Electron controller 352, this Single Electron controller 352 is arranged in pump case 312 and is covered by removable pump cover 319, wherein, Single Electron controller 352 contacts with pump cover 319 and connects to obtain preferably thermal conductivity.Single Electron controller 352 also comprises one or more igbt.
The pumps in series 300 of present embodiment provides following advantages: can by utilize single stator and two different sizes pumping element and within the scope of very wide traffic demand and pressure demand pumping single fluid.Particularly, pumps in series can use the side of pump to provide high pressure and low discharge based on the pump of small displacement, and the second side may be used for by providing high flow capacity and low-pressure compared with large discharge pump under similar motor speed with the moment of torsion produced.In the scope of this mode of execution of the present invention, this pumps in series 300 also can according to the needs of application-specific for the fluid of the identical type of pumping or different fluids.

Claims (27)

1. a pumps in series, comprising:
Pump case, described pump case limits the first pumping section and the second pumping section, and described first pumping section has the first pump intake and the first pump discharge, and described second pumping section has the second pump intake and the second pump discharge;
Common shaft, described common shaft to be rotatably positioned in described pump case and to extend between described first pumping section and described second pumping section;
First pump chamber of described first pumping section, described first pump chamber has the first pump element, and described first pump element has the first pump external rotor around the first pump internal rotor, and wherein, described first pump internal rotor is connected to the first end of described common shaft;
Second pump chamber of described second pumping section, described second pump chamber has the second pump element, and described second pump element is operatively connected to the second end contrary with the described first end of described common shaft of described common shaft; And
Stator, described stator is contained in described first pumping section of described pump case, the external described first pump external rotor of described stator, wherein, described stator and described first pump external rotor magnetic coupling become to make the energising of described stator to cause described first pump external rotor to rotate and described first pump chamber be pumped across by first fluid between described first pump intake and described first pump discharge, and the rotation of described first pump external rotor causes the rotation of described first pump internal rotor, the described common shaft that is rotated through of described first pump internal rotor is passed to described second pump element, wherein, the rotation of described second pump element causes second fluid to be pumped across described second pump chamber between described second pump intake and described second pump discharge.
2. pumps in series according to claim 1, wherein, described second pump element comprises the second pump external rotor around the second pump internal rotor, and wherein, described second pump internal rotor is connected to the second end contrary with the described first end of described common shaft of described common shaft.
3. pumps in series according to claim 1, wherein, described second pump chamber also comprises:
Described second pump chamber limited by wet cylinder liner and spiral case, wherein, described spiral case is connected to described pump case and limits the flow path between described second pump intake and described second pump discharge, and described wet cylinder liner prevents described second fluid from leaving described second pump chamber;
Magnet rotor, described magnet rotor is connected to described second pump element, and wherein, described magnet rotor and described second pump element are rotatably positioned in the described second fluid in described second pump chamber;
Magnetic coupling piece, described magnetic coupling piece is connected to the described the second end of described common shaft in described pump case, wherein, described magnetic coupling piece is positioned at the outside of described second pump chamber and is magnetically coupled to described magnet rotor by described wet cylinder liner, wherein, the rotation of described magnetic coupling piece causes the rotation of the rotation of described magnet rotor and described second pump element.
4. pumps in series according to claim 3, also comprise Single Electron controller, described Single Electron controller is contained in described pump case for the energising controlling described stator, wherein, described Single Electron controller contacts with radiating mode with the dry side of described wet cylinder liner, makes the described second fluid being pumped across described second pump chamber cool described Single Electron controller.
5. pumps in series according to claim 4, wherein, described Single Electron controller comprises one or more igbt.
6. pumps in series according to claim 1, also comprises Single Electron controller, and described Single Electron controller is contained in described pump case for the energising controlling described stator.
7. pumps in series according to claim 6, wherein, described Single Electron controller comprises one or more igbt.
8. pumps in series according to claim 7, wherein, described pump case comprises removable pump cover, and wherein, described Single Electron controller contacts with described pump cover and connects to obtain preferably thermal conductivity.
9. pumps in series according to claim 1, wherein, described second pumping section is water pump, and described first pumping section is oil pump.
10. pumps in series according to claim 1, wherein, described second pumping section is gear box oil pump, and described first pumping section is oil pump for engine.
11. 1 kinds of pumpss in series, comprising:
Pump case, described pump case limits the first pumping section and the second pumping section, and described first pumping section has the first pump intake and the first pump discharge, and described second pumping section has the second pump intake and the second pump discharge;
First magnetic coupler element, described first magnetic coupler element is connected to the first end of the first axle, and the second end of described first axle extends in the first pump chamber of described first pumping section, in described first pump chamber, the first pump element is rotatably connected to the second end of described first axle;
Described second pumping section comprises the second pump chamber limited by wet cylinder liner and spiral case, and wherein, described spiral case is connected to described pump case and limits the flow path between described second pump intake and described second pump discharge;
Second magnetic coupler element, described second magnetic coupler element is connected to the second axle, and wherein, described second magnetic coupling piece and described second axle are rotatably positioned in described wet cylinder liner;
Second pump element, described second pump element is attached to the end be positioned in described spiral case of described second axle, and described second pump element is configured to rotate together with described second axle;
Stator, described stator is contained in described pump case, described stator has the first coil and the second coil, wherein, described first magnetic coupler element of external described first pumping section of described first coil and external described second magnetic coupler element of described second coil, wherein, the energising of described first coil causes described first axle to drive described first pump element to rotate and makes first fluid be pumped across described first pump chamber between described first pump intake and described first pump discharge, and the energising of described second coil is worked to described second magnetic coupler element and causes the rotation of described second axle and make described second pump element rotate, the rotation of described second pump element causes second fluid to be pumped across described second pump chamber between described second pump intake and described second pump discharge.
12. pumpss in series according to claim 11, also comprise Single Electron controller, described Single Electron controller is contained in described pump case, to utilize described Single Electron controller to control the energising of described first coil and described second coil independently, wherein, described Single Electron controller contacts with radiating mode with the dry side of described wet cylinder liner, makes the described second fluid being pumped across described second pump chamber cool described Single Electron controller.
13. pumpss in series according to claim 12, wherein, described Single Electron controller comprises one or more igbt.
14. pumpss in series according to claim 11, wherein, described pump case comprises removable pump cover, and wherein, described Single Electron controller contacts with described pump cover and connects to obtain preferably thermal conductivity.
15. 1 kinds of pumpss in series, comprising:
Pump case, described pump case limits the first pumping section and the second pumping section, and described first pumping section has the first pump intake and the first pump discharge, and described second pumping section has the second pump intake and the second pump discharge;
First pump chamber of described first pumping section, described first pump chamber has the first pump element, described first pump element has the first pump external rotor around the first pump internal rotor, wherein, described first pump internal rotor is connected to the first end of the first axle, and described first axle is rotatably positioned in described pump case;
Second pump chamber of described second pumping section, described second pump chamber has the second pump element, and described second pump element is operatively connected to the first end of the second axle, and described second axle is rotatably positioned in described pump case;
First magnetic coupler element, described first magnetic coupler element is connected to described first pump external rotor;
Second magnetic coupler element, described second magnetic coupler element is connected in the second end place of described second axle; And
Stator, described stator is contained in described pump case, described stator has the first coil and the second coil, wherein, described first magnetic coupler element of external described first pumping section of described first coil and external described second magnetic coupler element of described second coil, wherein, the energising of described first coil is worked to described first magnetic coupler element and described first pump external rotor is rotated and makes first fluid be pumped across described first pump chamber between described first pump intake and described first pump discharge, and the energising of described second coil causes the rotation of described second axle to working to described second magnetic coupling piece, the rotation of described second axle makes described second pump element rotate and makes second fluid be pumped across described second pump chamber between described second pump intake and described second pump discharge.
16. pumpss in series according to claim 15, also comprise Single Electron controller, and described Single Electron controller is contained in described pump case for making described first coil and described second coil electricity independently.
17. pumpss in series according to claim 16, wherein, described Single Electron controller comprises one or more igbt.
18. pumpss in series according to claim 17, wherein, described pump case comprises removable pump cover, and wherein, described Single Electron controller contacts with described pump cover and connects to obtain preferably thermal conductivity.
19. pumpss in series according to claim 15, wherein, described second pumping section is gear box oil pump, and described first pumping section is oil pump for engine.
20. 1 kinds of pumpss in series, comprising:
Pump case, described pump case limits the first pumping section and the second pumping section, and described first pumping section has the first pump intake and the first pump discharge, and described second pumping section has the second pump intake and the second pump discharge;
First pump chamber of described first pumping section, described first pump chamber has the first pump element, described first pump element has the first pump external rotor around the first pump internal rotor, wherein, described first pump internal rotor is connected to the first end of the first axle, and described first axle is rotatably positioned in described pump case;
Second pump chamber of described second pumping section, described second pump chamber has the second pump element, and described second pump element is operatively connected to the first end of the second axle, and described second axle is rotatably positioned in described pump case;
Single rotor, described single rotor is rotatably positioned at the inner side of described pump case, and described single rotor is connected to described first axle and described second axle, and described single rotor has winding magnetic coil on its outer lateral surface;
First clutch component, described first clutch component is connected between described single rotor and described first axle;
Second clutch component, described second clutch component is connected between described single rotor and described second axle; And
Stator, described stator is contained in described pump case, described stator has the stator coil of the described magnetic coil of external described single rotor, wherein, described stator coil is energized with the one in the second way in the first manner, wherein, described single rotor is caused to engage along making described second clutch element disconnect and the first direction that described first clutch element is engaged rotation with the energising of described first kind of way, and then order about the described first pumping element rotation of described first axle drive, described stator coil causes described single rotor to engage and the second direction that described second clutch is engaged rotation along making described first clutch disconnect with the energising of the described second way, and then order about the described second pumping element rotation of described second axle drive.
21. pumpss in series according to claim 20, also comprise Single Electron controller, and described Single Electron controller is contained in described pump case for the energising controlling described stator.
22. pumpss in series according to claim 21, wherein, described Single Electron controller comprises one or more igbt.
23. pumpss in series according to claim 21, wherein, described pump case comprises removable pump cover, and described Single Electron controller contacts with described pump cover and connects to obtain preferably thermal conductivity.
24. pumpss in series according to claim 21, wherein, described second pumping section is water pump, and described first pumping section is oil pump.
25. pumpss in series according to claim 21, wherein, described second pumping section is gear box oil pump, and described first pumping section is oil pump for engine.
26. pumpss in series according to claim 21, wherein, described first pump element comprises the first pump external rotor around the first pump internal rotor, and wherein, described first pump internal rotor is connected to described first axle and rotates fluid to be pumped across described first pump chamber together with described first axle.
27. pumpss in series according to claim 21, wherein, described second pump element comprises the second pump external rotor around the second pump internal rotor, and wherein, described second pump internal rotor is connected to described second axle and rotates fluid to be pumped across described second pump chamber together with described second axle.
CN201480016582.0A 2013-03-20 2014-03-20 Series connection electrodynamic pump Active CN105051371B (en)

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WO2014147588A1 (en) 2014-09-25
US20160281712A1 (en) 2016-09-29
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DE112014001518T5 (en) 2016-01-28
KR20150130551A (en) 2015-11-23

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