WO2011134449A2 - Hydraulische fördereinrichtung und elektrohydraulisches steuerungsmodul - Google Patents
Hydraulische fördereinrichtung und elektrohydraulisches steuerungsmodul Download PDFInfo
- Publication number
- WO2011134449A2 WO2011134449A2 PCT/DE2011/000405 DE2011000405W WO2011134449A2 WO 2011134449 A2 WO2011134449 A2 WO 2011134449A2 DE 2011000405 W DE2011000405 W DE 2011000405W WO 2011134449 A2 WO2011134449 A2 WO 2011134449A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pump
- detection element
- hydraulic
- electric motor
- control
- Prior art date
Links
- 238000001514 detection method Methods 0.000 claims abstract description 39
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
-
- 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
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- 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
- F04C14/08—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the rotational speed
-
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/007—General arrangements of parts; Frames and supporting elements
-
- 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
- F04B2201/00—Pump parameters
- F04B2201/12—Parameters of driving or driven means
- F04B2201/1201—Rotational speed of the axis
-
- 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
- F04B2203/00—Motor parameters
- F04B2203/02—Motor parameters of rotating electric motors
- F04B2203/0209—Rotational speed
-
- 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
- F04C2240/00—Components
- F04C2240/80—Other components
- F04C2240/81—Sensor, e.g. electronic sensor for control or monitoring
-
- 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
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/05—Speed
- F04C2270/052—Speed angular
-
- 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
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/80—Diagnostics
-
- 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
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/86—Detection
Definitions
- the invention relates to a hydraulic conveyor for conveying a hydraulic medium, with at least one pump, which is driven by an electric motor, and with a control unit.
- the invention further relates to an electro-hydraulic control module with such a hydraulic conveyor.
- Such conveyors are needed, inter alia, for hydraulic controls of vehicle transmissions.
- the pumps generate a volume flow for various tasks in the hydraulic control, such as the actuation of adjusting cylinders with high pressure and / or flow rate demand or the supply of cooling and / or lubricating medium to certain components.
- the pumps are driven by an electric motor.
- the speed of the pump and / or the electric motor driving the pump is often required, so that a speed detection is required. It is known to detect the speed of the pump directly as a speed of the electric motor, so make a speed sensing directly on or in the electric motor driving the pump.
- the detected speed signals are optionally processed and passed on by means of a signal line and connectors to a controller and further processed there.
- the signal lines can also serve as control and or power supply lines.
- the at least one Speed sensor comprises, which can be positioned on a support body for detecting the rotational speed of the electric motor.
- the object of the invention is to provide a cost and space-saving hydraulic conveyor according to the preamble of claim 1.
- a hydraulic conveyor for conveying a hydraulic medium, with at least one pump, which is driven by an electric motor, and with a control unit, characterized in that in the pump, a passive detection element, in particular speed detection element, is arranged, with an active Detection element, in particular speed detection element, cooperates, which is arranged in the control unit.
- the active speed detection element is integrated into the control unit. This provides the advantage that can be completely dispensed with a speed signal management between the electric motor and the control unit. Furthermore, no additional housing parts for the speed sensor system are needed. Alternatively or in addition to the speed detection elements, other detection elements, such as torque sensing elements, can also be used.
- the electric motor is preferably a BLDC (Brushless Direct Current) electric motor which is provided with detection elements, in particular sensors.
- a preferred embodiment of the hydraulic conveyor is characterized in that the pump is arranged between the electric motor and the control unit.
- the pump is preferably designed as a gear pump, in particular as an external gear pump.
- a further preferred embodiment of the hydraulic conveying device is characterized in that the pump comprises a pump shaft with an end on which the passive speed detecting element is mounted.
- the other end of the pump shaft can be coupled or coupled to the electric motor, for example via a coupling.
- the passive speed detection element comprises a magnet which is rotatably connected to the pump shaft.
- the magnet interacts electromagnetically with the active speed detection element.
- a further preferred embodiment of the hydraulic conveying device is characterized in that the pump shaft is arranged coaxially with a motor shaft of the electric motor. The pump shaft and the motor shaft preferably have a common axis of rotation.
- a further preferred embodiment of the hydraulic conveyor is characterized in that the active speed detection element is arranged in a control housing body.
- the control housing body is part of a housing of the control unit.
- a further preferred embodiment of the hydraulic conveying device is characterized in that the control housing body comprises a relatively thin housing wall, which is arranged between the active and the passive speed detection element. During operation of the pump, speed signals are transmitted through the housing wall. The transmitted speed signals can be further processed directly in the control unit.
- the pump is arranged in a control plate assembly which is arranged between the control housing body and the electric motor.
- a plurality of pumps can be arranged in the control plate assembly and a plurality of pumps can be arranged.
- a plurality of control plates between the control housing body and the electric motor are arranged.
- a pump is arranged in each control plate.
- two control plates are each arranged with a pump between the control housing body and the electric motor.
- Another preferred embodiment of the hydraulic conveyor is characterized in that the electric motor is mounted on the control plate assembly.
- the electric motor is bolted to the control plate assembly, for example.
- the invention further relates to an electro-hydraulic control module with a hydraulic conveyor described above.
- the electro-hydraulic control module is preferably used to control a vehicle transmission.
- the hydraulic conveyor serves to generate a hydraulic volume flow for various tasks in the hydraulic control of the vehicle transmission.
- FIG. 1 shows an electro-hydraulic control module with a hydraulic conveyor according to the invention in section
- Figure 2 shows a detail of a pump of the hydraulic conveyor of Figure 1 in section.
- an electro-hydraulic control module 1 with a hydraulic conveyor 4 is shown in section.
- the hydraulic conveying device 4 comprises a first pump 6 and a second pump 8.
- the two pumps 6, 8 are driven by an electric motor 10.
- the electric motor 10 is connected via e- lectric connection cable 11, 12 to an electrical power supply.
- the control module 1 or the conveyor 4 further comprises a control unit 15 with a control housing body 16. Between the control housing body 16 and the electric motor 10, a control plate assembly 20 having a first control plate 21 and a second control plate 22 is arranged. Between the two control plates 21, 22 an intermediate plate 23 is arranged. The electric motor 10 is fastened by means of screws 25 to the upper control plate 21 of the control plate assembly 20 in FIG.
- the first pump 6 is integrated in the first control plate 21.
- the second pump 8 is integrated in the second control plate 22.
- the two pumps 6, 8 are both designed as external gear pumps and driven by a motor shaft 28 of the electric motor 10.
- the free End of the motor shaft 28 is coupled via a coupling 29 with a common pump shaft 30 of the two pumps 6, 8.
- the coupling 29 connects the free end of the motor shaft 28 in a rotationally fixed manner with an end of the pump shaft 30 which is open in FIG. 1.
- the motor shaft 28 and the pump shaft 30 have a common axis of rotation 33 which extends in the vertical direction in FIG.
- a lower end in FIG. 1 of the common pump shaft 30 can be coupled or coupled via a further clutch 34 to a pump gear 35 of the second pump 8.
- a pump gear of the first pump 6 is permanently connected in a rotationally fixed manner to the common pump shaft 30.
- the second pump 8 comprises a pump cover 38 which closes the second control plate 22, which is open at the bottom in FIG.
- the pump cover 38 includes below the coupling 34 of the second pump 8 has a recess in which a passive speed detection element 41 is arranged freely rotatable.
- the passive speed detection element 41 is rotatably connected to the lower end in FIG. 1 of the common pump shaft 30.
- the passive speed detection element 41 is preferably designed as a magnet and fixedly connected to the lower end in FIG. 1 of the common pump shaft 30.
- the passive speed detection element 41 interacts electromagnetically with an active speed element 42, which is indicated in Figure 1 by a rectangle.
- the active speed detection element 42 is separated from the passive speed detection element 41 by a relatively thin housing wall of the control housing body 16 and by another relatively thin housing wall of the pump cover 38.
- the two housing walls are designed so thin that speed signals during operation of the hydraulic conveyor 4 are transmitted from the passive speed detection element 41 to the active speed detection element 42.
- the two speed detection elements 41, 42 together represent a speed sensor device 40, with which the speed of the common pump shaft 30 and thus the speed of the motor shaft 28 of the electric motor 10 can be detected in a simple manner.
- the detected speed signals can be further processed directly in the control unit 15.
- FIG. 2 shows that the pump gear 35 of the second pump 8 is designed as an external gear with external toothing 54.
- the outer gear 35 meshes with a wide ren outer gear 55 to promote as external gear pump hydraulic medium.
- the speed sensing can also take place via the teeth of the pump gears 35, 55.
- the passive speed detection element is represented by at least one tooth or all teeth of at least one external gear of the external gear pump. Then, an additional passive sensor detection element can be omitted.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rotary Pumps (AREA)
- Reciprocating Pumps (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11729358A EP2564068A2 (de) | 2010-04-30 | 2011-04-14 | Hydraulische fördereinrichtung und elektrohydraulisches steuerungsmodul |
JP2013506487A JP5901613B2 (ja) | 2010-04-30 | 2011-04-14 | 液圧式の圧送装置及び電気液圧式の制御モジュール |
DE112011101506T DE112011101506A5 (de) | 2010-04-30 | 2011-04-14 | Hydraulische Fördereinrichtung und elektrohydraulisches Steuerungsmodul |
US13/664,036 US20130064699A1 (en) | 2010-04-30 | 2012-10-30 | Hydraulic transport device and electrohydraulic control module |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010018938 | 2010-04-30 | ||
DE102010018938.3 | 2010-04-30 | ||
DE102010034807 | 2010-08-19 | ||
DE102010034807.4 | 2010-08-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2011134449A2 true WO2011134449A2 (de) | 2011-11-03 |
WO2011134449A3 WO2011134449A3 (de) | 2012-11-29 |
Family
ID=44786655
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2011/000405 WO2011134449A2 (de) | 2010-04-30 | 2011-04-14 | Hydraulische fördereinrichtung und elektrohydraulisches steuerungsmodul |
Country Status (5)
Country | Link |
---|---|
US (1) | US20130064699A1 (de) |
EP (1) | EP2564068A2 (de) |
JP (1) | JP5901613B2 (de) |
DE (2) | DE112011101506A5 (de) |
WO (1) | WO2011134449A2 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015201411A1 (de) * | 2015-01-28 | 2016-07-28 | Robert Bosch Gmbh | Motor-Pumpen-Aggregat für ein Bremssystem |
IL244096A0 (en) * | 2015-08-09 | 2016-07-31 | Israel Aerospace Industries Ltd | Reinforcement for moving an object |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10006320A1 (de) | 2000-02-12 | 2001-08-23 | Daimler Chrysler Ag | Elektrische Antriebseinheit aus Elektromotor und Elektronikmodul |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3430574A (en) * | 1967-05-17 | 1969-03-04 | Webster Electric Co Inc | Plural rotary hydraulic apparatus |
DE8703108U1 (de) * | 1987-02-28 | 1988-03-31 | Leybold Ag, 5000 Koeln, De | |
US4924180A (en) * | 1987-12-18 | 1990-05-08 | Liquiflo Equipment Company | Apparatus for detecting bearing shaft wear utilizing rotatable magnet means |
DE4031476A1 (de) * | 1989-04-14 | 1992-04-09 | Kracht Gmbh | Hydraulischer regelkreis zur synchronisation zweier hydromaschinen |
US5244367A (en) * | 1990-11-30 | 1993-09-14 | Aeroquip Corporation | Gear pump with a resilient means for biasing a side wear plate |
DE4303479C2 (de) * | 1993-02-06 | 1998-05-20 | Fhp Motors Gmbh | Pumpenaggregat mit einem drehzahlregelbaren Elektromtor |
US5388761A (en) * | 1993-10-01 | 1995-02-14 | Langeman; Gary D. | Plural component delivery system |
ATE217689T1 (de) * | 1995-01-11 | 2002-06-15 | Micropump Inc | Anlage mit eingebauter pumpe und fluidströmungsmesser |
EP0769621A1 (de) * | 1995-09-26 | 1997-04-23 | Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V. | Mikropumpe und Mikromotor |
EP1360098B1 (de) * | 2001-02-02 | 2005-09-07 | Continental Teves AG & Co. oHG | Aggregat für eine elektronisch geregelte bremsanlage |
US6759969B2 (en) * | 2001-06-01 | 2004-07-06 | Tuthill Corporation | Fiberoptic transceiver system |
US6712585B2 (en) * | 2001-09-19 | 2004-03-30 | Viking Pump, Inc. | Magnetic pump |
US6547531B1 (en) * | 2002-01-16 | 2003-04-15 | Terry L. Cumbo | Variable-displacement axial piston pump |
US7086225B2 (en) * | 2004-02-11 | 2006-08-08 | Haldex Hydraulics Corporation | Control valve supply for rotary hydraulic machine |
JP4654658B2 (ja) * | 2004-10-28 | 2011-03-23 | 株式会社アドヴィックス | ブレーキ装置用回転式ポンプ |
US7851775B2 (en) * | 2005-09-29 | 2010-12-14 | The United States Of America As Represented By The Secretary Of The Army | Gear-type drink-o-meter to monitor fluid consumption |
DE102008053316A1 (de) * | 2008-10-27 | 2010-04-29 | Robert Bosch Gmbh | Zahnradmaschine |
-
2011
- 2011-04-14 WO PCT/DE2011/000405 patent/WO2011134449A2/de active Application Filing
- 2011-04-14 DE DE112011101506T patent/DE112011101506A5/de not_active Withdrawn
- 2011-04-14 EP EP11729358A patent/EP2564068A2/de not_active Ceased
- 2011-04-14 JP JP2013506487A patent/JP5901613B2/ja not_active Expired - Fee Related
- 2011-04-14 DE DE102011017011A patent/DE102011017011A1/de not_active Withdrawn
-
2012
- 2012-10-30 US US13/664,036 patent/US20130064699A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10006320A1 (de) | 2000-02-12 | 2001-08-23 | Daimler Chrysler Ag | Elektrische Antriebseinheit aus Elektromotor und Elektronikmodul |
Also Published As
Publication number | Publication date |
---|---|
WO2011134449A3 (de) | 2012-11-29 |
JP5901613B2 (ja) | 2016-04-13 |
DE112011101506A5 (de) | 2013-04-11 |
EP2564068A2 (de) | 2013-03-06 |
DE102011017011A1 (de) | 2011-11-03 |
US20130064699A1 (en) | 2013-03-14 |
JP2013525679A (ja) | 2013-06-20 |
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