CN103842619B - Positive displacement pump - Google Patents
Positive displacement pump Download PDFInfo
- Publication number
- CN103842619B CN103842619B CN201280047488.2A CN201280047488A CN103842619B CN 103842619 B CN103842619 B CN 103842619B CN 201280047488 A CN201280047488 A CN 201280047488A CN 103842619 B CN103842619 B CN 103842619B
- Authority
- CN
- China
- Prior art keywords
- positive displacement
- displacement pump
- oil groove
- control panel
- kidney shape
- 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.)
- Active
Links
Classifications
-
- 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
- F01C21/08—Rotary pistons
- F01C21/0809—Construction of vanes or vane holders
- F01C21/0818—Vane tracking; control therefor
- F01C21/0854—Vane tracking; control therefor by fluid means
-
- 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
- F01C21/10—Outer members for co-operation with rotary pistons; Casings
- F01C21/104—Stators; Members defining the outer boundaries of the working chamber
- F01C21/108—Stators; Members defining the outer boundaries of the working chamber with an axial surface, e.g. side plates
-
- 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
- F04C15/0088—Lubrication
-
- 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
-
- 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
- F04C14/28—Safety arrangements; Monitoring
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rotary Pumps (AREA)
Abstract
The present invention relates to a kind of positive displacement pump, for load, particularly to the servo steering system discharge pressure medium for motor vehicle.In housing（1）Inside sets and includes a rotor（3）, a cam ring（4）With multiple work sliding part（5）Pump group（2）, the housing is vertically by a lid on side（7）Closing.In cam ring（4）With rotor（3）Between formed pass through work sliding part（5）The working chamber of separation（6）, these working chambers are in the axial direction by control panel（9）Limit.In control panel（9）Towards rotor（3）Side in make into for being work sliding part（5）And working chamber（6）The kidney shape feed path of fuel feeding（10、11）.In kidney shape feed path（10、11）With for drive shaft（13）Through hole（20）In have annular spoke portion（19）.At least one of which kidney shape feed path（10、11）It is equipped with least one oil groove（18）.At least one oil groove（18）It is arranged to put in spoke portion at least in part（19）In.
Description
Technical field
The present invention relates to a kind of positive displacement pump, for defeated to the servo steering system for motor vehicle to loading, being particularly
Pressurization pressure medium.
Background technology
For example as the shapes known to the A1 or A1 of DE 102 29 809 of B4, DE 10 2,006 052 996 of DE 199 09 963
Formula is the positive displacement pump of vane pump or roller pump.
Positive displacement pump has pump group part, the pump group part have rotor, cam ring and multiple work sliding part, such as blade or
Roller, wherein forming multiple list working chambers.Rotor is limited on two sides or in axial direction by control panel.In this regard,
Constituted in the case cover that control panel can also be integrated in housing on side or by case cover.
Rotor is limited on two sides by control panel, each kidney shape supply for blade or roller of the control panel
Passage and the spoke portion for having annular between the through hole of drive shaft.Due to sealing, control panel and rotor side it
Between gap be limited at several microns.But when the service condition of positive displacement pump is unfavorable, for example, in cold start-up or limit speed ladder
When spending, when the lubrication gap between the annular spoke portion of control panel and rotor is too small, lubricating film can be caused to ftracture and thus cause
Side abrasion on rotor.
The content of the invention
Therefore, it is an object of the invention to improve this known positive displacement pump, from without causing lubricating film to ftracture, or make
The annular spoke portion can preferably be supplied with oil.
According to the present invention, the purpose is realized by positive displacement pump of the invention, and the positive displacement pump is used for load
Discharge pressure medium, with following feature：
In enclosure interior, the pump group part comprising a rotor, a cam ring and multiple work sliding parts, the shell are set
Body vertically on side by a closed with covers,
The working chamber that formation is separated by work sliding part between cam ring and rotor, these working chambers are in axial direction
On by control panel limit,
Made in the side towards rotor of control panel into for the kidney shape supply for work sliding part and working chamber fuel feeding
Passage,
There is the spoke portion of annular between through hole in kidney shape feed path and for drive shaft, it is characterised in that：
One of kidney shape feed path of at least one of which control panel is provided with least one oil groove,
At least one oil groove is arranged to put at least in part in spoke portion but does not connect with the through hole for drive shaft
It is logical.
In kidney shape feed path region, oil groove putting in spoke portion at least in part is arranged on by least one, with letter
Single method realizes a kind of oil storage mode in spoke portion for annular and therefore realizes more preferable fuel feeding.By this way, it is to avoid
The cracking of lubricating film, and therefore avoid side abrasion.
The favourable design of one or more oil grooves can take the form of V-shaped groove.The multiple oil groove can be one
Plant and be respectively arranged on a kidney shape feed path in the opposite design of each two kidneys shape feed path in a control panel
In.
In order to avoid sharp edge, and in order to realize good oil flowing, it is logical that oil groove can be provided with the supply of kidney shape
The knuckle radius in road.
A kind of favourable design of the invention be may be in, and the control panel of lid side is integrated into lid, and oil groove
It is arranged in the control panel of the lid side.
However, within the scope of the invention certainly it is also possible that the control panel set in opposite rotor-side exists
One or more oil grooves are equally equipped in one kidney shape feed path or multiple kidney shape feed paths.
The favourable design of another kind of the invention may be in, and opposite each kidney shape feed path is by positioned at them
Between throttle point be connected with each other.
Oily loss can be reduced via throttle point, thus corresponding pressure is set up in kidney shape feed path.With this
Mode is guided with bigger degree support work sliding part, such as blade radially outward towards cam ring.
According to preferred regulation of the invention, at least one oil groove is in manufacture control panel when system enters casting.
According to preferred regulation of the invention, at least one oil groove is entered in control panel by milling.
According to preferred regulation of the invention, knuckle radius is made in the bottom land of the V-shaped groove in spoke portion is stretched into.
According to regulation of the invention preferred, the depth that oil groove stretches into spoke portion is at least approximately equivalent to the spoke portion width of half.
According to preferred regulation of the invention, at least one oil groove is at least located approximately at the middle part of kidney shape feed path.
According to preferred regulation of the invention, positive displacement pump is configured to one-stroke pump, is preferably configured as adjustable single stroke pump.
According to preferred regulation of the invention, positive displacement pump is used to be situated between to the servo steering system discharge pressure for motor vehicle
Matter.
Brief description of the drawings
Scheme and design is advantageously improved to be drawn by the embodiment of principles illustrated by below by accompanying drawing.
Diagram：
The longitudinal section of Fig. 1 vane pumps, and
Top views of the Fig. 2 according to the case lid of the vane pump of Fig. 1.
Specific embodiment
Based on the following vane pump, the present invention will be described.But, solution of the invention is of course also apply to
Roller pump.
Vane pump is widely known by the people, the document referred to reference to beginning to this, therefore following portion only just important for the present invention
Part is inquired into detail.
Pump group part 2 is installed in the inside of housing 1, its cam ring 4 and multiple for including 3, encirclement rotor of a rotor
The work sliding part 5 of setting is distributed on the circumference of rotor 3.Formed between cam ring 4 and rotor 3 and pass through work sliding part 5
The working chamber 6 of separation.Control panel 8 and 9 is provided with two sides of rotor.Control panel 8 be integrated into case cover 7 or
That is case cover.
Two opposite kidney shape feed paths 10 are set in control panel 9.In an identical manner, control panel 8 is used as shell
Body lid 7 has two blade behind kidney shape feed paths 11, and described two blade behind kidney shape feed paths 11 are mirrored into ground
Circumference that is opposite and surrounding nearly 180 ° respectively (see Fig. 2).
Two blade behind kidney shape feed paths 11 are by two opposite sections arc, that form is groove or gap
Stream position 12 is connected with each other.
Positive displacement pump has the hub portion 14 being arranged in drive shaft 13 in known manner.Rotor is set in drive shaft 13
3.Cam ring 4 is surrounded by the outer shroud 15 for setting within the case 1.Housing 1 is also equipped with suction attachment 16 and is situated between for input pressure
Matter, typically oil, and it is equipped with the valve piston 17 for controlling oil.
As shown in Figure 2, two opposite blade behind kidney shape feed paths 11 are respectively equipped with an oil groove for V-arrangement
18.The knuckle radius of blade behind kidney shape feed path is equipped on each oil groove 18.Oil groove 18 puts in radially inward
The spoke portion 19 for circularizing, the spoke portion is located at blade behind kidney shape feed path 11 and between the through hole 20 of axle 13.Annular
Spoke portion 19 is located on two sides towards rotor 3 in control panel 8 and 9.Annular spoke portion 19 in control panel 8 and 9 with
There is relative motion between the side of rotor 3.The region should be carried out in order to avoid abrasion and for good runnability
Lubrication.
Oil storage is realized by the design of two oil grooves 18, via the oil storage --- according to design --- can be right
One or two annular spoke portion 19 preferably fuel feeding.Made into blade behind in control panel 8 in other words in lid 7 in fig. 2
Oil groove 18 in kidney shape feed path 11 can be also made into control panel 9 in the another side of rotor 3 in the same way certainly
Kidney shape feed path 10, to ensure to realize two spoke portions 19 uniform oil supply.
In principle certainly it is also possible that oil groove 18 made in the region of kidney shape feed path 10,11 or on height into turn
Oil storage is formed to lubricate spoke portion 19 in two sides of son 3 and from there through the oil in kidney shape feed path 10,11, but for warp
Ji reason, the oil groove 18 is generally made into control panel 8 and 9.
In order to avoid oil leak, and in order to not reduce efficiency, the radial extension of oil groove 18 is typically chosen less deeply in other words
The spoke portion 19 for putting in annular is not far.
Oil groove can in a straightforward manner in die tool manufacture control panel 8 or 9 as die casting when correspondingly make into.
In this regard, in also oil groove 18 alternatively being made into control panel 8 and/or 9 via follow-up Milling Process certainly.
When oil groove 18 designs forming V-shape, each extending into the bottom land in affiliated spoke portion 19 can also equally arrange transition half
Footpath, to realize that more preferable oil is matched somebody with somebody.The depth of oil groove 18 can extend substantially to the centre position of spoke portion width half.
As shown in Fig. 2 two oil grooves 18 be located substantially at respectively they it is made enter kidney shape feed path 11 middle part.
The positive displacement pump can be configured to adjustable single stroke pump.
Reference numerals list
1 housing
2 pump group parts
3 rotors
4 cam rings
5 work sliding parts
6 working chambers
7 case covers
8 control panels
9 control panels
10 kidney shape feed paths
11 blade behind kidney shape feed paths
12 throttle points
13 drive shafts
14 hub portions
15 outer shrouds
16 suction attachments
17 valve pistons
18 oil grooves
19 spoke portions
20 through holes
Claims (14)
1. positive displacement pump, for load discharge pressure medium, with following feature：
In enclosure interior, the pump group part comprising a rotor, a cam ring and multiple work sliding parts, the housing edge are set
Axially by a closed with covers on side,
The working chamber that formation is separated by work sliding part between cam ring and rotor, these working chambers lead in the axial direction
Control panel restriction is crossed,
Made in the side towards rotor of control panel into for the kidney shape feed path for work sliding part and working chamber fuel feeding,
There is the spoke portion of annular between through hole in kidney shape feed path and for drive shaft, it is characterised in that：
One of kidney shape feed path (11) of at least one of which control panel (8,9) is provided with least one oil groove (18),
At least one oil groove (18) be arranged to put at least in part in spoke portion (19) but not with the through hole for drive shaft
(20) connect.
2. positive displacement pump according to claim 1, it is characterised in that at least one oil groove (18) is configured at least connect
The shape of nearly V-shaped groove.
3. positive displacement pump according to claim 2, it is characterised in that at least one oil groove (18) to kidney shape equipped with supplying
To the knuckle radius of passage (11).
4. the positive displacement pump according to one of claims 1 to 3 item, it is characterised in that the control panel (8) of lid side is integrated into
In lid (7).
5. the positive displacement pump according to one of claims 1 to 3 item, it is characterised in that two are set in a control panel (8)
The individual kidney shape feed path (10,11) diametrically put, makes into oil groove (18) in these kidney shape feed paths.
6. positive displacement pump according to claim 5, it is characterised in that the opposite kidney shape feed path (10,11)
Interconnected by positioned at the throttle point (12) between them.
7. the positive displacement pump according to one of claims 1 to 3 item, it is characterised in that at least one oil groove (18) exists
Manufacture control panel (8,9) when system enters in casting.
8. the positive displacement pump according to one of claims 1 to 3 item, it is characterised in that at least one oil groove (18) quilt
Milling is entered in control panel (8).
9. the positive displacement pump according to Claims 2 or 3, it is characterised in that the groove of the V-shaped groove in spoke portion (1 9) is stretched into
Knuckle radius is made in bottom.
10. the positive displacement pump according to one of claims 1 to 3 item, it is characterised in that oil groove (18) stretches into spoke portion (19)
Depth is at least approximately equivalent to the spoke portion width of half.
11. positive displacement pump according to one of claims 1 to 3 item, it is characterised in that at least one oil groove (18) is extremely
The middle part of kidney shape feed path (11) is located approximately at less.
12. positive displacement pump according to one of claims 1 to 3 item, it is characterised in that positive displacement pump is configured to one-stroke
Pump.
13. positive displacement pumps according to claim 12, it is characterised in that positive displacement pump is configured to adjustable single stroke pump.
14. positive displacement pump according to one of claims 1 to 3 item, it is characterised in that positive displacement pump is used for for motor-driven
The servo steering system discharge pressure medium of car.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011054028.8 | 2011-09-29 | ||
| DE201110054028 DE102011054028A1 (en) | 2011-09-29 | 2011-09-29 | displacement |
| PCT/EP2012/068189 WO2013045302A2 (en) | 2011-09-29 | 2012-09-17 | Displacement pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103842619A CN103842619A (en) | 2014-06-04 |
| CN103842619B true CN103842619B (en) | 2017-06-23 |
Family
ID=46968176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280047488.2A Active CN103842619B (en) | 2011-09-29 | 2012-09-17 | Positive displacement pump |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2014528043A (en) |
| CN (1) | CN103842619B (en) |
| DE (1) | DE102011054028A1 (en) |
| IN (1) | IN2014CN03034A (en) |
| WO (1) | WO2013045302A2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013105436A1 (en) * | 2013-05-28 | 2014-12-04 | Zf Lenksysteme Gmbh | DISPLACEMENT PUMP, PARTICULARLY WING CELL PUMP |
| DE102013105437A1 (en) * | 2013-05-28 | 2014-12-04 | Zf Lenksysteme Gmbh | DISPLACEMENT PUMP, PARTICULARLY WING CELL PUMP |
| IT201900002111A1 (en) * | 2019-02-13 | 2020-08-13 | Ali Group Srl Carpigiani | MACHINE FOR THE PRODUCTION OF LIQUID OR SEMIQUID FOOD PRODUCTS. |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3012511A (en) * | 1958-04-22 | 1961-12-12 | Cecil E Adams | Fluid pressure energy translating device |
| US3790314A (en) * | 1972-05-22 | 1974-02-05 | Abex Corp | Vane pump having extended undervane suction ports |
| US3964844A (en) * | 1973-09-24 | 1976-06-22 | Parker-Hannifin Corporation | Vane pump |
| DE3018649A1 (en) * | 1980-05-16 | 1981-11-26 | Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen | HIGH PRESSURE PUMP |
| JPS57178190U (en) * | 1981-05-06 | 1982-11-11 | ||
| JPS59103982A (en) * | 1982-12-04 | 1984-06-15 | Toyoda Autom Loom Works Ltd | Vane back pressure control structure in sliding vane compressor |
| JPS6272483U (en) * | 1985-10-28 | 1987-05-09 | ||
| JPH01151790A (en) * | 1987-12-07 | 1989-06-14 | Jidosha Kiki Co Ltd | Vane pump |
| JPH02252988A (en) * | 1988-12-02 | 1990-10-11 | Jidosha Kiki Co Ltd | Oil pump |
| DE19909963B4 (en) | 1999-03-06 | 2006-12-21 | Zf Friedrichshafen Ag | displacement |
| JP4342647B2 (en) * | 1999-08-20 | 2009-10-14 | 株式会社ショーワ | Back pressure groove structure of variable displacement vane pump |
| DE10229809A1 (en) | 2002-07-03 | 2004-01-15 | Zf Lenksysteme Gmbh | Vane pump |
| DE102004060551A1 (en) * | 2004-12-16 | 2006-06-22 | Robert Bosch Gmbh | Vane pump |
| JP2008111360A (en) * | 2006-10-30 | 2008-05-15 | Showa Corp | Variable displacement pump |
| DE102006052996A1 (en) | 2006-11-10 | 2008-05-15 | Zf Lenksysteme Gmbh | Vane pump for steering unit of motor vehicle, has housing, outer ring and front plate centered to shaft, where front plate is provided with shaft hub that is provided with outlet for leakage oil |
-
2011
- 2011-09-29 DE DE201110054028 patent/DE102011054028A1/en active Pending
-
2012
- 2012-09-17 JP JP2014532314A patent/JP2014528043A/en active Pending
- 2012-09-17 IN IN3034CHN2014 patent/IN2014CN03034A/en unknown
- 2012-09-17 WO PCT/EP2012/068189 patent/WO2013045302A2/en active Application Filing
- 2012-09-17 CN CN201280047488.2A patent/CN103842619B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| IN2014CN03034A (en) | 2015-07-03 |
| JP2014528043A (en) | 2014-10-23 |
| WO2013045302A2 (en) | 2013-04-04 |
| DE102011054028A1 (en) | 2013-04-04 |
| WO2013045302A3 (en) | 2013-10-24 |
| CN103842619A (en) | 2014-06-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: Germany, Germany Applicant after: ROBERT BOSCH AUTOMOTIVE STEERING GmbH Address before: Germany, Germany Applicant before: ZF LENKSYSTEME GmbH |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: ZF FRIEDRICHSHAFEN AG TO: ROBERT BOSCH AUTOMOTIVE STEERING GMBH Free format text: CORRECT: ADDRESS; FROM: |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230714 Address after: Berlin, Germany Patentee after: Pump Technology Solutions PS Co.,Ltd. Address before: Richmond, Germany Patentee before: ROBERT BOSCH AUTOMOTIVE STEERING GmbH |