CN102016318A - Vane pump apparatus - Google Patents

Vane pump apparatus Download PDF

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Publication number
CN102016318A
CN102016318A CN2009801166730A CN200980116673A CN102016318A CN 102016318 A CN102016318 A CN 102016318A CN 2009801166730 A CN2009801166730 A CN 2009801166730A CN 200980116673 A CN200980116673 A CN 200980116673A CN 102016318 A CN102016318 A CN 102016318A
Authority
CN
China
Prior art keywords
vane pump
oil
shell
storage tank
working oil
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.)
Pending
Application number
CN2009801166730A
Other languages
Chinese (zh)
Inventor
朴玄雨
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.)
SIN WOO CO Ltd
Original Assignee
SIN WOO CO Ltd
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 SIN WOO CO Ltd filed Critical SIN WOO CO Ltd
Publication of CN102016318A publication Critical patent/CN102016318A/en
Pending legal-status Critical Current

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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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • 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
    • F04C2/3446—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 the inner and outer member being in contact along more than one line or surface
    • 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
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
    • F04C13/008—Pumps for submersible use, i.e. down-hole pumping
    • 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
    • F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
    • F04C15/0034—Sealing arrangements in rotary-piston machines or pumps for other than the working fluid, i.e. the sealing arrangements are not between working chambers of the machine
    • 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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • 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
    • 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
    • F04C2270/48—Conditions of a reservoir linked to a pump or machine

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)

Abstract

Disclosed is a vane pump apparatus. The disclosed vane pump apparatus comprises: a housing having an outlet channel; a reservoir tank which stores working oil and which is coupled to the housing; and a vane pump installed inside the reservoir tank to discharge the compressed working oil to the outlet channel.

Description

The vane pump device
Technical field
The present invention relates to a kind of vane pump device, relate in particular to and a kind of vane pump is arranged at the vane pump device of oil storage tank inboard to prevent that the vane pump operating cost from increasing.
Background technique
Generally speaking, the device that utilizes oil pressure that comprises automobile comprises that all vane pump is with the supply oil pressure.
In vane pump main body inboard cam ring, solid of rotation and blade are set, and the axle that solid of rotation is incorporated into by the drive unit rotation is rotated.
Spinning movement suction oil body and compression by solid of rotation and blade are delivered to the oil pressure pipeline afterwards.
To the oil storage tank of vane pump supply working oil, has the form that is independent of vane pump and is arranged at vane pump by connecting tube form that connects and the oil storage tank of supplying working oil of installing.
Foregoing relates to the background technique of the technical field of the invention, but not relates to prior art.
The vane pump of prior art is exposed in the air because of its all or part of, therefore, the sealed member that formed by rubber need to be set preventing oil leakage, but also to need to check whether oil leak to the sealed member and the vane pump main body outside to the vane pump outside, thus the increase operating cost.Therefore, need make improvements.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art and a kind of vane pump device is provided, can prevent the sealed member that forms by rubber because of the needs setting preventing oil leakage to the vane pump outside, and the relevant inspection operation of assembling operation that produces and oil leakage and the operating cost that causes increases.
Vane pump device of the present invention comprises: shell has discharge route; Oil storage tank stores working oil and is incorporated into shell; And vane pump, be arranged at the oil storage tank inboard and discharge compressed working oil by discharge route.
In addition, described shell is sidewall bodies or motor casing.
In addition, between described shell and oil storage tank, be provided for preventing the seal ring of leakage of oil.
In addition,, be provided for sucking the suction port of working oil in the front of described vane pump, and the exhaust port that is communicated with described discharge route.
In addition, in described vane pump, described suction port periphery sucks connecting passage with shell is separated by a distance to form.
In addition, on described vane pump integrally formed valve bonnet so that safety valve to be set.
Vane pump device of the present invention is arranged at vane pump the oil storage tank inboard that stores working oil not being subjected to the influence of oil leakage to the vane pump outside, and can delete sealed member, thereby checks that by reducing operation and parts save operating cost.
Description of drawings
Fig. 1 is the summary decomposing schematic representation of the vane pump device of one embodiment of the invention;
Fig. 2 is blade pump intake and an exhaust port schematic representation shown in Figure 1;
Fig. 3 is the bonding state schematic representation of vane pump device shown in Figure 1;
Fig. 4 is a vane pump device shown in Figure 3 side cross-sectional view along the A-A direction;
Fig. 5 is a vane pump device shown in Figure 3 side cross-sectional view along the B-B direction;
Fig. 6 is a vane pump device shown in Figure 4 sectional view along the C-C direction;
Fig. 7 is a vane pump device shown in Figure 4 positive sectional view along the preceding main body of D-D direction;
Fig. 8 is a vane pump device shown in Figure 4 positive sectional view along the side plate of E-E direction.
Embodiment
Below, the embodiment to vane pump device of the present invention is elaborated in conjunction with the accompanying drawings.For convenience of explanation, be that example describes with vane pump device by blade rotation compression work oil.In this process, clear and convenient for what illustrate, the thickness of the line shown in the figure or the size of member etc., it is exaggerative that diagram has part.In addition, the term that is described further below is to consider that function of the present invention is defined, and therefore, these terms are different according to user, the intention that should choose or convention.Therefore, the definition to above-mentioned term need serve as that the basis limits with the full content of specification of the present invention.
Fig. 1 is the summary decomposing schematic representation of the vane pump device of one embodiment of the invention; Fig. 2 is blade pump intake and an exhaust port schematic representation shown in Figure 1; Fig. 3 is the bonding state schematic representation of vane pump device shown in Figure 1; Fig. 4 is a vane pump device shown in Figure 3 side cross-sectional view along the A-A direction; Fig. 5 is a vane pump device shown in Figure 3 side cross-sectional view along the B-B direction; Fig. 6 is a vane pump device shown in Figure 4 sectional view along the C-C direction; Fig. 7 is a vane pump device shown in Figure 4 positive sectional view along the preceding main body of D-D direction; Fig. 8 is a vane pump device shown in Figure 4 positive sectional view along the side plate of E-E direction.
As shown in Figure 1 to Figure 3, the vane pump device of one embodiment of the invention comprises: shell 70 has discharge route 74; Oil storage tank 1 stores working oil 90 and is incorporated into shell 70; And vane pump 10, be arranged at the oil storage tank 1 inboard discharge route 74 that also passes through and discharge compressed working oil 90.
The shell 70 of one embodiment of the invention can use the sidewall bodies or the motor casing of fixed object, and in addition, and shell 70 also can use the various parts that combine with oil storage tank 1 based on the technology that stores working oil 90.
As shown in Figure 4, at shell 70, comprising: discharge route 74 is connected to receive compressed working oil 90 with the exhaust port 84 of vane pump 10; And oil pressure supply orifice 72, be connected to supply working oil 90 with discharge route 74 to the oil pressure pipeline.
As shown in Figure 1, the junction plane at the shell 70 that combines with vane pump 10 comprises: joining hole 77, in conjunction with the joint bolt 18 of vane pump 10; Discharge route 74 is connected with the exhaust port 84 of vane pump 10.
In addition, on shell 70, be provided with an attachment hole 76, to insert the axle 80 of the vane pump 10 that combines with shell 70.Axle 80 is fixed in the motoring of sidewall bodies or directly axle 80 is connected in motoring by axle attachment hole 76.
Except that motor, the axle 80 of one embodiment of the invention also can be connected with other power sources to obtain rotating power.
Combine with shell 70 and side is formed for storing the space of working oil 90 within it oil storage tank 1, can have the different shape that comprises cylindrical shape.
In oil storage tank 1 one sides connecting tube 3 is set, to form the passage that receives working oil 90 supplies from the outside.
Between shell 70 and oil storage tank 1, be provided with the seal ring 79 that is used to prevent leakage of oil, and preferably, be provided with mounting groove in the outside, and on mounting groove, the seal ring 79 that is made of elastic material be set with the shell 70 of oil storage tank 1 contacts side surfaces.
Surface of contact at shell 70 and oil storage tank 1 forms screw thread to finish combination, in addition, can pass through combined in various manners or set casing 70 and oil storage tank 1.
As Fig. 1, Fig. 2 and shown in Figure 6, vane pump 10 comprises: cam ring 50 has the inner side surface of orthodrome portion and the inner side surface of little circular arc part; Rotor 14 is arranged at cam ring 50 inboards and has radial guide slot; And a plurality of blades 34, be inserted in guide slot and move along the inner side surface of cam ring 50.
Main body 60 and bonnet 12 before vane pump 10 is divided into, and pass through joint bolt 18 in conjunction with preceding main body 60 and bonnet 12, to form the external shape of vane pump 10.
Because of vane pump 10 is arranged in the working oil 90, therefore, between preceding main body and bonnet 12, other sealed member is not set.
As Fig. 4 and shown in Figure 5, at the upside of preceding main body 60, cam ring 50 is set, these cam ring 50 inboards are provided with rotor 14, and at the upside of cam ring 50 and rotor 14, folded successively side plate 40, leaf spring 32 and the bonnet 12 established.
As shown in Figure 2, on the preceding main body 60 that constitutes vane pump 10 previous sections, be provided with the suction port 82 that is used to suck working oil 90, and be communicated with and be used to discharge the exhaust port 84 of compressed working oil 90 with discharge route 74.
In exhaust port 84 periphery formation projectioies and to fix, transmit to make compressed working oil 90 at the state that is communicated with discharge route 74 with shell 70 state of contact.
In addition, on vane pump 10, the periphery of suction port 82 does not form projection or protrudes the position at the edge, thereby form suction connecting passage 88 with shell 70, make the working oil 90 that is positioned at oil storage tank 1 inboard flow into the suction ports 82 of vane pump 10 easily by suction connecting passage 88.
Be connected in axle that power source is rotated 80 and be connected with 14 of rotors, rotor 14 and blade 34 are rotated with the rotation of axle 80.
As shown in Figure 6, cam ring 50 in the form of a ring, and side within it is formed on flexible of the elliptical shape that respectively has 2 little circular arc part and orthodrome portion on the orhtogonal axis.
Form the inner side surface of the cam ring 50 of little circular arc part, have shape less than the circular arc of the diameter of the inner side surface of the cam ring 50 that forms orthodrome portion.
On cam ring 50, form suction intercommunicating pore 52 that is communicated with the suction port 82 of preceding main body 60 and the discharge intercommunicating pore 54 that is communicated with exhaust port 84.
Between cam ring 50 and bonnet 12, be provided with discharge pipe 86, make the oil that is positioned at pressure chamber 30 flow to the pipeline of exhaust port 84 with formation.
As shown in Figure 7, rotor 14 over against the inner side surface of preceding main body 60, form 2 first and discharge slot parts 65,65 ', wherein, be positioned at first of a side and discharge slot part 65 ' and connect exhaust port 84.
The inboard of main body 60 before the first suction slot part 66,66 ' that is connected with suction port 82 also is formed at is to be supplied to working oil 90 vane pump 10 inboards.
As shown in Figure 8, towards a side of the side plate 40 of rotor 14, be provided with second and discharge slot part 42,42 ' and the second suction slot part 43,43 '.
Discharge slot part 42 at second of side plate 40 attachment hole 44 is set, so that the part in the oil of discharging flows to pressure chamber 30.
Leaf spring 32 is arranged between side plate 40 and the bonnet 12 when guaranteeing 30 spaces, pressure chamber, utilizes the elastic force of leaf spring 32, and main body 60, cam ring 50 and side plate 40 are close to mutually before making.
On the bonnet 12 of vane pump 10, the valve bonnet 16 of integrally formed pipe shape is to be wholely set safety valve 20 in valve bonnet 16 inboards.
The pressure chamber 30 of the oil that safety valve 20 is compressed with utilizing blade 34 supplies is communicated with and oil pressure is maintained fixed value.
Safety valve 20 comprises: valve seat 22 is pressed into the rear side of bonnet 12; Ball part 24 stops the oil of compression to flow out through the rotation of blade 34; Retainer 26 is clamped ball part 24; Valve spring 27 is exerted pressure to ball part 24; And adjusting screw 28, the pressure of adjusting valve spring 27.
Adjusting screw 28 is provided with tap hole, so that the oil of discharging from safety valve 20 mixes by the tap hole discharge and with the working oil 90 that is positioned at oil storage tank 1 inboard.
Main body 60 before fixing bolt 19 inserts by bonnet 12 is to prevent side plate 40 and cam ring 50 rotations.
Before on the main body 60 successively in conjunction with cam ring 50, the rotor 14 that blade 34 is set, side plate 40, leaf spring 32 and bonnet 12, to form the vane pump 10 of the embodiment of the invention, and in addition, be arranged at oil storage tank 1 interior other mechanical devices, also can be used as vane pump 10 of the present invention with compression work oil 90.
Below, the running state to the vane pump device of the embodiment of the invention is elaborated in conjunction with the accompanying drawings.
The joint bolt 18 that is arranged at vane pump 10 is incorporated into the joining hole 77 of shell 70, so that vane pump 10 is incorporated into shell 70.
At this moment, the exhaust port 84 of vane pump 10 is fixed at the state that is communicated with the discharge route 74 of shell 70, and the suction port 82 of vane pump 10 is separated by a distance with shell 70, so that the working oil 90 of oil storage tank 1 inboard flows into suction port 82 easily.
If to axle 80 transmitting rotary power, then with the rotation of axle 80, rotor 14 is rotated in cam ring 50 inboards by axle attachment hole 76.
The working oil 90 that is stored in oil storage tank 1 inboard is by the suction port 82 of main body 60 before sucking connecting passage 88 and flowing into, and is supplied to the suction region S of rotor 14 by the second suction slot part 43,43 ' that first of preceding main body 60 sucks the suction intercommunicating pore 52 of slot part 66,66 ', cam ring 50 and side plate 40.
Along with rotor 14 (as Fig. 6) rotation counterclockwise, it is compressed and discharge by exclusionary zone D to be sucked into the working oil 90 that sucks region S.
Particularly, be positioned at the compressed working oil 90 that the first discharge slot part 65 ' and second that is communicated with exhaust port 84 is discharged slot part 42 ', directly be expelled to exhaust port 84 by discharging intercommunicating pore 54.
Be positioned at not with exhaust port 84 directly is communicated with and first discharge the working oil 90 that slot part 65 and second is discharged slot part 42, flow to after the pressure chamber 30, be transferred to exhaust port 84 along the discharge pipe 86 between cam ring 50 and the bonnet 12 by attachment hole 44.
Be transferred to the working oil 90 of discharge route 74 along exhaust port 84, be passed to the oil pressure pipeline by oil pressure supply orifice 72.
According to said structure, the present invention is provided with vane pump 10 in oil storage tank 1 inboard, thereby eliminates the sealed member that is used to prevent vane pump 10 leakage of oils, thereby realizes that the miniaturization of vane pump 10 and lightweight quantize purpose.
In addition,, simplified the inspection operation, improved working performance, saved operating cost because of need not to carry out the leak check of vane pump 10.
The foregoing description is only unrestricted in order to explanation the present invention, those of ordinary skill in the art is to be understood that, can make amendment, be out of shape the present invention or be equal to replacement, and not break away from the spirit and scope of the present invention, it all should be encompassed in the claim scope of the present invention.

Claims (4)

1. a vane pump device is characterized in that, comprising: shell has discharge route; Oil storage tank stores working oil and is incorporated into shell; And vane pump, be arranged at the oil storage tank inboard and discharge compressed working oil by discharge route; In the front of this vane pump, be provided for sucking the suction port of working oil, and the exhaust port that is communicated with this discharge route, in this vane pump, this suction port periphery sucks connecting passage with shell is separated by a distance to form.
2. vane pump device according to claim 1 is characterized in that, described shell is sidewall bodies or motor casing.
3. vane pump device according to claim 1 is characterized in that, is provided for preventing the seal ring of leakage of oil between described shell and oil storage tank.
4. vane pump device according to claim 1 is characterized in that integrally formed valve bonnet is to be provided with safety valve on described vane pump.
CN2009801166730A 2008-12-08 2009-09-17 Vane pump apparatus Pending CN102016318A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2008-0123967 2008-12-08
KR1020080123967A KR100914241B1 (en) 2008-12-08 2008-12-08 Vane pump device
PCT/KR2009/005286 WO2010067946A1 (en) 2008-12-08 2009-09-17 Vane pump apparatus

Publications (1)

Publication Number Publication Date
CN102016318A true CN102016318A (en) 2011-04-13

Family

ID=41210303

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009801166730A Pending CN102016318A (en) 2008-12-08 2009-09-17 Vane pump apparatus

Country Status (6)

Country Link
US (1) US20110223050A1 (en)
KR (1) KR100914241B1 (en)
CN (1) CN102016318A (en)
BR (1) BRPI0913788A2 (en)
DE (1) DE112009002029T5 (en)
WO (1) WO2010067946A1 (en)

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US9127674B2 (en) * 2010-06-22 2015-09-08 Gm Global Technology Operations, Llc High efficiency fixed displacement vane pump including a compression spring
KR101321777B1 (en) 2011-12-12 2013-10-28 주식회사 신우 Gear pump
CN104295491B (en) * 2014-09-01 2017-07-07 浙江维新汽车配件有限公司 A kind of engine of boat and ship rubber impeller formula water pump
JP2016109029A (en) * 2014-12-05 2016-06-20 株式会社デンソー Vane type pump and fuel vapor leakage detecting device using the same
US11286927B2 (en) * 2017-03-23 2022-03-29 Nidec Tosok Corporation Pump device
JP6546984B1 (en) * 2017-12-27 2019-07-17 Ｋｙｂ株式会社 Electrohydraulic actuator
JP6900429B2 (en) * 2018-07-31 2021-07-07 日立Astemo株式会社 Vane pump device
JPWO2020026338A1 (en) * 2018-07-31 2020-08-06 株式会社ショーワ Vane pump device, design method of vane pump device

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Also Published As

Publication number Publication date
KR100914241B1 (en) 2009-08-26
BRPI0913788A2 (en) 2015-10-20
DE112009002029T5 (en) 2012-07-26
US20110223050A1 (en) 2011-09-15
WO2010067946A1 (en) 2010-06-17

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Application publication date: 20110413