CN103282665A - Conveying apparatus, drive and manufacturing method for a conveying apparatus - Google Patents
Conveying apparatus, drive and manufacturing method for a conveying apparatus Download PDFInfo
- Publication number
- CN103282665A CN103282665A CN2011800548735A CN201180054873A CN103282665A CN 103282665 A CN103282665 A CN 103282665A CN 2011800548735 A CN2011800548735 A CN 2011800548735A CN 201180054873 A CN201180054873 A CN 201180054873A CN 103282665 A CN103282665 A CN 103282665A
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- China
- Prior art keywords
- feedway
- gear
- axle
- channel
- aforementioned
- 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.)
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Classifications
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- 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
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- 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
- F04C14/10—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by changing the positions of the inlet or outlet openings with respect to the working chamber
- F04C14/14—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using rotating valves
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- 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
- F01C17/00—Arrangements for drive of co-operating members, e.g. for rotary piston and casing
- F01C17/02—Arrangements for drive of co-operating members, e.g. for rotary piston and casing of toothed-gearing type
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- 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
- F04C2240/30—Casings or housings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- General Details Of Gearings (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
Abstract
The invention provides a conveying apparatus, a drive and a manufacturing method for a conveying apparatus, having a gearwheel which is connected fixedly on a shaft so as to rotate with it and the toothing of which is in engagement with the toothing of another gearwheel for conveying conveying medium between a first channel region (55) and a second channel region (56), wherein a control disc is mounted rotatably on the shaft by means of a bearing, in particular anti-friction bearing, in particular ball bearing, wherein the rotational movement of the control disc is restricted by means of a stop washer, in particular wherein the rotational axis of the control disc corresponds to the shaft axis, wherein the control disc - has a first axially extending recess for conducting conveying medium, in particular fluid, to or from the first channel region,; - and has a second axially extending recess for conducting conveying medium, in particular fluid, from or to the second channel region, wherein, depending on the rotational position, the first axially extending recess of the control disc is connected to a feed channel (41, 42, 45) or a discharging channel (20, 40, 44), in particular for conducting conveying medium out of the feed channel or a discharging channel, and the second axially extending recess of the control disc is connected to a discharging channel (41, 42, 45) or feed channel (20, 40, 44), in particular for conducting conveying medium out of the feed channel or a discharging channel.
Description
Technical field
The present invention relates to the manufacture method of a kind of feedway, a kind of drive unit and a kind of feedway.
Background technique
Generally be known that in gear pump, but the engagement of two gears and when rotational motion fed sheet of a media, wherein, gear is arranged in the notch part of a part certainly, the fringe region of this notch part and gear are closely spaced apart.
Summary of the invention
The objective of the invention is: feedway is improved.
According to the present invention, this purpose is in the feedway according to the described feature of claim 1, realize in according to the drive unit of the described feature of claim 13 and in the manufacture method according to the described feature of claim 14.
The present invention is at feedway, important being characterised in that in the gear pump particularly, this feedway has a gear that can not be connected on with relatively rotating, the gear teeth of this gear and the gear teeth meshing of another gear, to be used between first passage zone and second channel zone, carrying transported substance, wherein, control panel is by means of bearing, rolling bearing particularly, particularly ball bearing is supported on the axle rotationally, wherein, the rotational motion of control panel limits by means of an arresting disc, particularly wherein, the rotation axis of control panel is corresponding to this axis, wherein, and control panel:
-have the first axially extended notch part (recesses/holes mouth), be used for transported substance, particularly medium being guided to the first passage zone or coming from the first passage regional guidance;
-and have second an axially extended notch part, be used for transported substance, particularly medium are come or guided to the second channel zone from the second channel regional guidance;
-wherein, according to the pivotal position,
The first axially extended notch part of control panel is connected with input channel or output channel, especially for transported substance is derived from input channel or output channel,
And the second axially extended notch part of control panel is connected with output channel or input channel, especially for transported substance is derived from input channel or output channel.
At this advantageously, on each sense of rotation of axle, feedway all moves in the same direction.That is to say and to realize the medium transport that has nothing to do with sense of rotation and therefore irrespectively in identical all the time mode oiling agent is supplied to lubricated position with the sense of rotation of axle.Therefore in addition, feedway can be embodied as the axle head pump-unit and not need self drive unit.In addition, the switching of passage, namely supply with and discharge alternately, can realize that this control panel is arranged in by bearing that axle is gone up and therefore can drives on separately the sense of rotation each stop side until arresting disc by acting on frictional force on the bearing by means of a control panel in simple mode.That is to say and to implement to switch in simple mode.
In a favourable design proposal, by control panel and overlapping at least in part by the axial region of arresting disc covering.At this advantageously, the rotational motion of control panel can limit by means of arresting disc in simple mode.Control panel can be arranged in the opening of arresting disc and therefore and can irrespectively limit with sense of rotation in its rotational motion simply.At this, arresting disc can not relatively rotate be connected and therefore be prevented from and axle rotates with housing parts.
In a favourable design proposal, first passage zone and second channel zone and arrangement of gears are in a notch part that coils, particularly be arranged in the identical axial region.The supply of the medium of at this advantageously, carrying and discharge can be implemented in axial position and therefore determine transmission power by axial stretching, extension.Axial stretching, extension is more big, and then the transmission power of gear pump arrangement is also just more big.Corresponding axial extend in this and can realize integrally, that is to say by the parts of corresponding heavy back design in the axial direction and realize that perhaps multi-part type ground is realized, be that is to say by parts realization a plurality of, particularly identical shaping two or more, that sequentially arrange in the axial direction.
In a favourable design proposal, input channel is inducted into the inside of retarder (Getriebe) housing, guides to the lubricated position of retarder especially for the oiling agent with retarder, and/or import in the pipeline, particularly wherein, this pipeline guide to a cooler, as liquid cooler, oil cooler, water cooler or similar device.At this advantageously, by with the conveying of orientation independent, can produce identical all the time flow and circulate in other words.Device delivery power descends along with rotating speed certainly and reduces equally.But because retarder also has corresponding lower loss power when the slow-speed of revolution, therefore heating tail off and and then the heat of discharging in the mode of needs equally also tail off.
In a favourable design proposal, output channel be inducted into reducer shell inside, guide to feedway especially for the oiling agent with retarder from oil sump/oil sump, and/or import in the pipeline, particularly wherein, this pipeline submerge arrange in the oil sump of retarder or import a cooler, as in liquid cooler, oil cooler, water cooler or the similar device.At this advantageously, can implement lubricant oil outwards carried from oil sump and therefore subsequently can be with the direct fluid cooler carried to be used for heat radiation and/or the lubricated position of direct fluid retarder is lubricated to be used for.
In a favourable design proposal, axle is the axle of retarder, particularly input shaft, particularly wherein, on axle, can not be connected with the band tooth parts/meshing part of the first speed change level with relatively rotating, particularly wherein, axially at these band tooth parts with can not be connected the bearing, particularly bearing that are furnished with axle between the gear on the axle with relatively rotating and be arranged in the housing parts of retarder.At this advantageously, by means of bearing the area of space of retarder and the area of space of gear pump arrangement are separated.This like this device can be installed on the shaft end.
In a favourable design proposal, feedway housing parts holds the bearing of axle and also is retarder formation housing at least, and this retarder comprises that one can not be connected band tooth parts or the meshing part on the axle with relatively rotating.At this advantageously, feedway comprises an integrated retarder.In other words, this reducer shell also not only comprises the band tooth parts of retarder, but also comprises gear pump arrangement.
In a favourable design proposal, input channel and/or output channel have notch part, and this notch part extends at the circumferencial direction less than 180 °, and particularly wherein, notch part is semicircle ground and/or hose-like ground layout basically.At this advantageously, by means of rotating, axially be arranged in the control panel on passage area next door, ground relevant with the pivotal position can be positioned at input channel zone or top, output channel zone with (durchgaengig) notch part of the axial perforation of control panel.
In a favourable design proposal, input channel and output channel are spaced apart from each other.At this advantageously, by crossing isolated zone in a circumferential direction, the notch part of control panel can contact with the input channel zone or contact with the output channel zone.
In a favourable design proposal, housing parts has portion's section of sleeve shape, on this section sealably with removably be connected head components, make feedway be surrounded in the mode that forms housing by this section and head components.At this advantageously, therefore portion's section of sleeve shape can and cut according to the axial length sizing of expecting according to the transmission power of expectation.
In a favourable design proposal, a plurality of gear shafts to sequentially arranging on axle with relatively rotating, and a plurality of gears and described other gear are sequentially arranged on a common axis, particularly wherein, housing parts has portion's section of sleeve shape, on this section sealably with removably be connected head components, make to comprise that the feedway of gear is surrounded in the mode that forms housing by this section and head components.At this advantageously, gear pump arrangement can integrally be installed in the reducer shell.
In a favourable design proposal, feedway is arranged in the axial end regions and at another axial end regions and directly or by connection set is connected with a rotor shaft, particularly wherein, rotor shaft drive this and therefore drive feedway, can not connect the gear that arranges thereon with relatively rotating.At this advantageously, the gear feedway on the shaft end can be integrated in the housing of retarder and not need the drive unit of self, but along with axle turns round together.
Important being characterised in that in having the drive unit of aforesaid feedway, particularly retarder or reducing motor/gear motor/reducing motor (Getriebemotor), feedway are arranged in the axial end region of axle.
At this advantageously, can realize a kind of axle head pump.
Be characterised in that the important of manufacture method that is used for this feedway,
-chosen axis is to the quantity of the gear of sequentially arranging, wherein, the quantity of selection is 1 or bigger,
-make housing parts by blank, particularly rough casting/crude foundry goods, this blank have sleeve shape portion's section, be tubular convex, its method is, this section is repaired (sizing cuts) corresponding to selected quantity, particularly cuts and/or turning.
At this advantageously, by the simple finishing that can implement simply, can realize the gear of any amount in inside sleeve shape, that be tubular shell part and and then realize the pump power of expectation.
Other advantage is by drawing in the dependent claims.The invention is not restricted to the feature combination of claim.For technicians, but accessory rights requires and/or the feature of independent claim feature and/or specification and/or accompanying drawing, particularly from the purpose setting and/or by drawing other rational combinatory possibility the purpose that proposes compared with prior art.
Description of drawings
Below with reference to the accompanying drawings the present invention is described in detail:
Figure 1 illustrates the side view according to axle head pump-unit of the present invention.
Oblique drawing under figure 2 illustrates.
Plan view under figure 3 illustrates.
Figure 4 illustrates a cross section.
Figure 5 illustrates and be positioned at outside cross section.
Figure 6 illustrates a cross section, it is between the cross section of Figure 4 and 5.
Figure 7 illustrates a cross section that stands vertically.
Figure 8 illustrates the cross section that an axis that centers on axle rotates.
Embodiment
In pump-unit, one 47 is supported in the housing parts 3 by bearing 48.At this, housing parts 3 preferably belongs to one speed reducer transmission device in other words, and axle 47 is these input shaft of speed reducer, but that is to say the axle of quick rotation operation.On axial end regions, integrally be provided with a pump-unit.
Pump-unit is worked according to the mode of gear pump.At this, on the shaft end zone, a gear 53 can not be connected with axle 47 with relatively rotating, this gear and gear 52 engagement that is supported on, this axle are supported on have notch part (45,46) and connection mouth (20,40,41,42) in land 43 neutralizations one supporting disk 70.
Meshed gears (52,53) is with medium, be delivered to output channel 56 as oiling agent or the water of retarder from preposition input channel 55.At this, each this passage is inducted in separately the notch part 44 or 45 through the hole separately 65 of control panel 61 in the axial direction.
At this, control panel 61 is supported on the axle 47 rotationally by means of bearing 63.Because friction, control panel 61 is driven on each sense of rotation of axle 47.Control panel 61 is rotating in an opening for the arresting disc 66 of its setting only at this.This expression, though the axle 47 that it is rotated drive, yet on sense of rotation, only arrive the rest position of arresting disc 66.
After control panel 61 is resisted against on the arresting disc 66, according to the pivotal position of control panel 61, feeding medium in input channel or output channel.Hole 65 axially was positioned at notch part 45 tops or selectively was positioned at notch part 46 tops of land 43 this moment.These notch parts extend with the angle less than 180 ° respectively in a circumferential direction.Rotational motion by means of control panel has realized that also (fluid) flowing through between the hole 65 of notch part 44 and control panel 61 or flowing through between the hole 65 of notch part 45 and control panel 61.Therefore, when sense of rotation changed, medium was modified and enters another one notch part (44,45).But because the sense of rotation of gear (52,53) also changes, so its throughput direction also changes, and makes medium be supplied to notch part 45 by connection mouth (41,42) all the time and outwards is directed in the connection mouth (20,40) by notch part 44.
At this, the connection mouth 41 in two connection mouths of combining (41,42) is used for optionally supplying with the medium from internal duct or exterior line.When pipeline is internally supplied with, with oiling agent sucking-off and be transported in the pipeline at outlet side by the gear pump that comprises gear (52,53) from the oil sump of retarder, by this pipeline needed oiling agent is supplied to lubricated position.Preferably, gear meshing zone is lubricated and/or bearing is lubricated.
When using exterior line, discharge medium from the exterior line feeding medium and from another pipeline.Therefore, gear pump can be used for conveyor lubricant, and this oiling agent can be carried by cooler or cooler assembly.The oiling agent that sucks is sucked and carries by cooler subsequently by the oil sump of retarder at this.Leng Que oiling agent is supplied to retarder subsequently again and can be used for parts lubricated and/or the cooling retarder by this way.
That angle value that notch part 44 and 45 spacing is in a circumferential direction back and forth rotated less than control panel 61.
Control panel has groove 62 less, that extend in the axial direction at it against side, and this groove can be implemented in the axial outflow of the medium amount that need extrude when sense of rotation replaces.Therefore can realize the switching faster of gear pump.
By means of notch part 46, can axially implement to tighten with screw thread, it also can be used as the safeguard construction that prevents that land 43 from carrying out rotational motion in addition.
The axial end portion of axle 47 and the axle of gear 52 in supporting disk 70, have been supported.Another axial end portion of the axle of gear 52 is supported in the land 43.
Another according to embodiments of the invention in, gear pump is modularly constructing also, but makes that this gear pump can be with the power manufacturing of nominal.
For this reason, make portion's section 1 of sleeve shape of the housing parts 3 made by blank cut off in this position, make the length that has reached expectation.Gear pump part in that the portion's section 1 by sleeve shape centers on arranges the parts corresponding to the power of expectation.For this reason, correspondingly with a plurality of gear 52,53 axial order be arranged in the axle 47 and gear 52 the axle on.The axle of axle 47 and gear 52 is designed to corresponding long in the axial direction like this.Dish 51 is piled up each other.Also just made the gear pump arrangement that produces the transmission power of expectation by this way.
Portion's section 1 of the sleeve shape of housing parts 3 makes gear pump arrangement be surrounded in the mode that forms housing by head components 2 and portion's section 1 by head components 2 sealings.
REFERENCE NUMBER LIST
Portion's section 1 of the sleeve shape of 1 housing 3
2 head components
3 housing parts
20 are used for the connection mouth of exterior line
40 are used for the connection mouth of internal duct
41 are used for the connection mouth of internal duct
42 are used for the connection mouth of exterior line
43 have the land of notch part (45,46) and connection mouth (20,40,41,42)
44 notch parts
45 notch parts
46 notch parts
47
48 bearings
51 have the dish of notch part
52 gears
53 gears
55 input channels
56 output channels
61 control panels
62 grooves
63 bearings
64 notch parts
65 notch parts
70 supporting disks
Claims (14)
1. a feedway, particularly gear pump,
Described feedway has the gear that can not be connected on the axle with relatively rotating, and the gear teeth of described gear are meshed to be used for carrying transported substance between first passage zone (55) and second channel zone (56) with the gear teeth of an other gear,
It is characterized in that,
Control panel is by means of a bearing---particularly rolling bearing, particularly ball bearing---is rotatably supported on the described axle, wherein, the rotational motion of described control panel limits by means of arresting disc, particularly wherein, the rotation axis of described control panel is corresponding to the axis of described axle
Wherein, described control panel:
-have the first axially extended notch part, be used for described transported substance, particularly medium being guided to described first passage zone or coming from described first passage regional guidance;
-and have second an axially extended notch part, be used for described transported substance, particularly described medium are come or guided to described second channel zone from described second channel regional guidance;
-wherein, according to the pivotal position,
The described first axially extended notch part of described control panel is connected with an input channel (41,42,45) or output channel (20,40,44), especially for described transported substance is derived from described input channel or output channel,
The described second axially extended notch part of described control panel is connected with an output channel (41,42,45) or input channel (20,40,44), especially for transported substance is derived from input channel or output channel.
2. according at least one described feedway in the aforementioned claim, it is characterized in that, overlapping at least in part with the axial region that is covered by described arresting disc by the axial region that described control panel covers.
3. according at least one described feedway in the aforementioned claim, it is characterized in that described first passage zone is arranged in the notch part of dish (51) with described second channel zone and described gear---particularly in identical axial region---.
4. according at least one described feedway in the aforementioned claim, it is characterized in that, input channel (41,42,45) feed the inside of reducer shell, guide to the lubricated position of described retarder especially for the oiling agent with retarder, and/or input channel feeds in the pipeline, particularly wherein, this pipeline leads in the cooler, as liquid cooler, oil cooler, water cooler or similar device.
5. according at least one described feedway in the aforementioned claim, it is characterized in that, output channel (20,40,44) inside of feeding reducer shell guide to feedway especially for the oiling agent with retarder from oil sump, and/or output channel feeds in the pipeline, particularly wherein, described pipeline immerse in the oil sump of retarder or lead in the cooler, as liquid cooler, oil cooler, water cooler or similar device.
6. according at least one described feedway in the aforementioned claim, it is characterized in that described axle is the axle of retarder, particularly input shaft, particularly wherein, on described axle, can not be connected with the band tooth parts of the first speed change level with relatively rotating,
Particularly wherein, arrange a bearing of described axle vertically between band tooth parts and the described gear that can not be connected on the described axle, particularly this bearing is arranged in the housing parts of retarder with relatively rotating.
7. according at least one described feedway in the aforementioned claim, it is characterized in that, at least one housing parts of described feedway holds a bearing of described axle and also for retarder forms housing, described retarder comprises the band tooth parts that can not be connected on the described axle with relatively rotating.
8. according at least one described feedway in the aforementioned claim, it is characterized in that, input channel and/or output channel have notch part, described notch part upwards extended in less than 180 ° scope in week, particularly wherein, arrange basically by semicircle ground and/or hose-like ground for described notch part.
9. according at least one described feedway in the aforementioned claim, it is characterized in that input channel and output channel are spaced apart from each other.
10. according at least one described feedway in the aforementioned claim, it is characterized in that, described housing parts has portion's section of a sleeve shape, connect a head components at described Duan Shangneng with sealing and dismountable mode, make described feedway be surrounded in the mode that forms housing by described section and head components.
11., it is characterized in that a plurality of gear shafts be to sequentially can not arranging with relatively rotating according at least one described feedway in the aforementioned claim on described axle, and a plurality of gear and described other gear layout sequentially on a public axis,
Particularly wherein, described housing parts has portion's section of sleeve shape, connects head components at described Duan Shangneng with sealing and dismountable mode, makes to comprise that the described feedway of described gear is surrounded in the mode that forms housing by described section and head components.
12., it is characterized in that described feedway is arranged in the axial end region of described axle and directly or by a connection set is connected with a rotor shaft according at least one described feedway in the aforementioned claim on another axial end region,
Particularly wherein, described rotor shaft drives described axle and therefore drives the gear on this of can not being connected of described feedway with relatively rotating.
13. a drive unit, particularly retarder or reducing motor have according at least one described feedway in the aforementioned claim, it is characterized in that,
Described feedway is arranged in the axial end region of described axle.
14. a manufacture method that is used for according at least one described feedway of aforementioned claim is characterized in that,
-chosen axis is to the quantity of the gear of sequentially arranging, wherein, the quantity of selection is 1 or bigger,
----being tubular convex,---blank---particularly rough casting---makes housing parts: described section repaired corresponding to selected quantity, particularly cut and/or turning in the following manner by having sleeve shape portion section.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010051192.7 | 2010-11-15 | ||
| DE102010051192A DE102010051192B4 (en) | 2010-11-15 | 2010-11-15 | Conveying device, drive and manufacturing method for a conveyor |
| PCT/EP2011/005328 WO2012065679A2 (en) | 2010-11-15 | 2011-10-21 | Conveying apparatus, drive and manufacturing method for a conveying apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103282665A true CN103282665A (en) | 2013-09-04 |
| CN103282665B CN103282665B (en) | 2016-10-12 |
Family
ID=44883178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180054873.5A Active CN103282665B (en) | 2010-11-15 | 2011-10-21 | The manufacture method of conveyer device, driving means and conveyer device |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2640978B1 (en) |
| CN (1) | CN103282665B (en) |
| DE (1) | DE102010051192B4 (en) |
| WO (1) | WO2012065679A2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3997018A1 (en) | 2019-07-11 | 2022-05-18 | Sew-Eurodrive GmbH & Co. KG | Conveyor having an electric motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4501535A (en) * | 1982-09-13 | 1985-02-26 | Golobay Gary L | Variable flow reversible vane pump |
| US5476374A (en) * | 1994-12-01 | 1995-12-19 | Langreck; Gerald K. | Axially ported variable volume gerotor pump technology |
| DE10158534A1 (en) * | 2001-11-29 | 2003-06-12 | Daimler Chrysler Ag | Lubricating oil pump volume flow control, using a toothed ring pump for an IC motor, has a control disk between the pressure zone and the inner/outer cogwheels to set the flow according to motor running conditions |
| CN1982716A (en) * | 2005-12-13 | 2007-06-20 | 萱场工业株式会社 | Vane pump |
| CN101454572A (en) * | 2006-05-30 | 2009-06-10 | Trw汽车股份有限公司 | Gear pump, in particular for a steering servo unit |
-
2010
- 2010-11-15 DE DE102010051192A patent/DE102010051192B4/en active Active
-
2011
- 2011-10-21 WO PCT/EP2011/005328 patent/WO2012065679A2/en active Application Filing
- 2011-10-21 CN CN201180054873.5A patent/CN103282665B/en active Active
- 2011-10-21 EP EP11776103.1A patent/EP2640978B1/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4501535A (en) * | 1982-09-13 | 1985-02-26 | Golobay Gary L | Variable flow reversible vane pump |
| US5476374A (en) * | 1994-12-01 | 1995-12-19 | Langreck; Gerald K. | Axially ported variable volume gerotor pump technology |
| DE10158534A1 (en) * | 2001-11-29 | 2003-06-12 | Daimler Chrysler Ag | Lubricating oil pump volume flow control, using a toothed ring pump for an IC motor, has a control disk between the pressure zone and the inner/outer cogwheels to set the flow according to motor running conditions |
| CN1982716A (en) * | 2005-12-13 | 2007-06-20 | 萱场工业株式会社 | Vane pump |
| CN101454572A (en) * | 2006-05-30 | 2009-06-10 | Trw汽车股份有限公司 | Gear pump, in particular for a steering servo unit |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2640978B1 (en) | 2017-08-02 |
| WO2012065679A2 (en) | 2012-05-24 |
| WO2012065679A3 (en) | 2013-08-01 |
| EP2640978A2 (en) | 2013-09-25 |
| DE102010051192B4 (en) | 2012-12-06 |
| CN103282665B (en) | 2016-10-12 |
| DE102010051192A1 (en) | 2012-05-16 |
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