CN107061257A - A kind of linear flow low noise liquid pump - Google Patents
A kind of linear flow low noise liquid pump Download PDFInfo
- Publication number
- CN107061257A CN107061257A CN201710477168.5A CN201710477168A CN107061257A CN 107061257 A CN107061257 A CN 107061257A CN 201710477168 A CN201710477168 A CN 201710477168A CN 107061257 A CN107061257 A CN 107061257A
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- blade
- rotor
- high pressure
- stator
- pressure chamber
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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
- F04C2/02—Rotary-piston machines or pumps 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
- F04C2/04—Rotary-piston machines or pumps 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 of internal axis type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of linear flow low noise liquid pump, include housing, the input shaft extending into housing, the stator being fixed in housing is arranged at the rotor and blade of stator inner ring；Stator inner ring wall is reducing curved surface, and stator inner ring crosses all radial line equal lengths in the rotor center of circle；Blade is arranged in the blade groove of rotor, and two ends and the stator inner ring wall of blade are brought into close contact；Inlet opening, fluid hole, low pressure chamber and high pressure chest are provided with rotor and positioned at the both sides of blade, the low pressure chamber connection of the inner side corresponding with blade of inlet opening, the high pressure chest connection of the inner side corresponding with blade of fluid hole, the high pressure chest and low pressure chamber of blade both sides are mutually isolated, the low pressure chamber of blade both sides is connected with the inlet on housing, and the high pressure chest of blade both sides is connected with the liquid outlet on housing.The present invention has the advantages that output flow and pressure are linear, noise is low, simple in construction, cost is low.
Description
Technical field
The present invention relates to hydraulic power field, specifically a kind of linear flow low noise liquid pump.
Background technology
The type of several bulk fluid pumps includes gear pump, vane pump and plunger pump in the market.The advantage of gear pump
It is simple in construction, low cost, but its shortcoming is that output liquid pressure pulsation is big, volumetric efficiency is low and short life etc.；Vane pump is made an uproar
Sound is low, output fluid pressure fluctuation is small, but its requirement complicated, to oil is high；Plunger pump pressure is high, input speed is high,
Its shortcoming is that noise is big, complicated, output fluid pressure has fluctuation.
In addition to the mechanical noise that the reason for liquid pump high noise produces when itself is operated, topmost noise source is output
Have some setbacks what is caused with uneven, the import and export pipeline of input liquid pressure and flow.Output fluid pressure fluctuates small, noise
Low, uniform flow is the target that liquid pump industry is pursued.
In liquid pump/fluid-power motor industry, the simplification of raising and structure for its performance especially improves flow
Uniformity, the uniformity for exporting fluid pressure, reduction noise, simplify structure and reduce and there is constant demand in cost.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of linear flow low noise liquid pump, with output flow and pressure
The advantage that the line of force, noise are low, simple in construction, cost is low.
The technical scheme is that：
A kind of linear flow low noise liquid pump, includes housing, and the input shaft extending into housing is fixed on determining in housing
Son, is arranged at the rotor and blade of stator inner ring；Described input shaft is rigid structure or rigid unitary structure with rotor；Institute
The stator inner ring wall stated is reducing curved surface, and rotor outer ring wall is isometrical curved surface, and stator inner ring crosses all of the rotor center of circle
Radial line equal length, rotor outer wall is brought into close contact with stator inner wall part, shape between stator inner wall and rotor outer wall another part
Into working chamber；The blade groove in its center of circle is provided through on described rotor, the two ends of blade groove are for open state and towards calmly
Sub- inner ring wall, described blade is arranged in blade groove, and two ends and the stator inner ring wall of blade are brought into close contact；Described turns
It is provided with son and positioned at the both sides of blade outside inlet opening, fluid hole, low pressure chamber and high pressure chest, the inlet opening of blade side
End and the outer end of fluid hole are respectively facing the two ends of blade, and the outer end of two inlet openings of blade both sides is respectively facing the two of blade
End, the outer end of two fluid holes of blade both sides is respectively facing the two ends of blade, the inner side corresponding with blade of inlet opening
Low pressure chamber is connected, and the high pressure chest connection of the inner side corresponding with blade of fluid hole, the high pressure chest and low pressure chamber of blade both sides is equal
Mutually isolated, the low pressure chamber of blade both sides is connected with the inlet on housing, the high pressure chests of blade both sides with housing
Liquid outlet is connected.
The reducing curved surface of described stator inner ring is divided into multiple halving curved surfaces, the reducing size of each halving curved surface and
Direction is identical.
The high pressure chest and low pressure chamber of described blade side are the semicircular configuration with the rotor center of circle, and low pressure chamber is located at height
Press the inner ring of chamber.
Described high pressure chest and low pressure chamber are opened in two circular end faces of rotor respectively.
Described blade is the blade of rigid unitary structure.
Described blade includes female blade and blades, and described female blade is arranged in blade groove, and the two of female blade
End is provided with guide groove of the opening towards stator inner wall, and described blades are arranged in corresponding guide groove and in guide groove
It is interior to slide.
Described blade is that neighbouring two ends are filled respectively in a flexible axle blade formed by liquid flexible axle, rotor vane groove
Have and be provided with liquid formation liquid flexible axle in branch blade, blade groove between two branch blades.
Described housing includes the drive end bearing bracket and rear end cap being connected on the annular end face of stator two, and the two of described rotor
Circular end face is provided with floating disc between corresponding drive end bearing bracket and rear end cap respectively.
Inlet, liquid outlet on described housing may be contained within drive end bearing bracket or rear end cap, with being provided with inlet, going out
High extrusion fluid through-hole, high pressure distributing groove mouthful, low pressure are provided with the drive end bearing bracket or the relative floating disc of rear end cap of liquid mouthful logical with oil
Hole and high pressure compensation sealing notch, the described high both ends of the surface for extruding fluid through-hole insertion floating disc, and two ends respectively with high pressure chest,
Liquid outlet is connected, and described high pressure distributing groove mouthful is connected with two high pressure chests of blade both sides respectively towards rotor, described
Low pressure matches somebody with somebody the both ends of the surface of oil hole insertion floating disc, and two ends are connected with low pressure chamber, inlet respectively, and described high pressure compensation is close
Sealing groove mouthful is towards with inlet, the drive end bearing bracket or rear end cap of liquid outlet.
Advantages of the present invention：
（1）, flow it is linear：When rotor is rotated in stator, when rotor is rotated in unit angle inlet suck liquid and
The volume of the liquid of liquid outlet discharge is equal all the time, so when the timing of rotating speed one, input and output flow are certain, rotating speed and flow
For linear relationship；In addition, the input of the pump and output pipe are unimpeded, do not have pocketed oil phenomenon, so output pressure is uniform.
（2）, noise it is low：Because flow and pressure at the uniform velocity change with rotation speed change, noise relative reduction.
（3）, high rotating speed：Because the movement of blade is forced, blade stuck phenomenon is not had, in addition the leaf at two ends
Piece is pulled mutually so that blade is reduced for the pressure of stator, meets the condition of rotation at a high speed.
（4）, high output liquid pressure：Because the mechanism of blade laminating stator inner ring wall is good, so good sealing effect；Cause
It can be done greatly for the thickness of blade, improve mechanical sealing effect, and be double blade structure form, so easily realizing high liquid pressure
Power is transmitted.
（5）, it is simple in construction：It is arranged on into and out of fluid apertures on rotor, reduces the mechanisms such as valve plate distribution, simple in construction, volume
It is small.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment 1.
Fig. 2 is the Structure explosion diagram of embodiment 1.
Fig. 3 is Fig. 1 A-A profiles.
Fig. 4 is the working state schematic representation one of stator and rotor in embodiment 1.
Fig. 5 is the working state schematic representation two of stator and rotor in embodiment 1.
Fig. 6 is the left view of floating disc 16 in embodiment 1.
Fig. 7 is the right view of floating disc 16 in embodiment 1.
Fig. 8 is the B-B sectional views in Fig. 7.
Fig. 9 is the structural representation that the Leaf of embodiment 2 is primary and secondary chip architecture.
Figure 10 is the structural representation that the Leaf of embodiment 2 is flexible axle single blade.
Figure 11 is the structural representation that the Leaf of embodiment 2 is flexible axle twayblade.
Figure 12 is the structural representation of high-low pressure cavity both sides distribution in embodiment 3.
Figure 13 is the Structure explosion diagram of embodiment 3.
Figure 14 is the profile of Figure 12 stator and rotor at C-C.
Figure 15 is the structural representation one of rotor in embodiment 3.
Figure 16 is the structural representation two of rotor in embodiment 3.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment 1
See Fig. 1-Fig. 5, a kind of linear flow low noise liquid pump includes housing, the input shaft 22 extending into housing, it is fixed
In the stator 1 in housing, the rotor 2 of the inner ring of stator 1 and the blade 3 of one piece rigid chip architecture are arranged at；Input shaft 22 is with turning
Son 2 is rigid structure or rigid unitary structure；The inner ring wall of stator 1 is reducing curved surface, and the outer ring wall of rotor 2 is isometrical song
Face, and the inner ring of stator 1 crosses rotor center of circle O all radial line equal lengths, the reducing curved surface of the inner ring of stator 1 is divided into three etc.
Divide curved surface, the reducing size and Orientation of each halving curved surface is identical, outside 9b, 9d, 9f of stator inner wall three curved surfaces and rotor
Circle is brought into close contact, and three working cavities isolated are formed between 9a, 9c, 9e of stator inner wall three curved surfaces and rotor outer ring
4a、4b、4c；Its center of circle O blade groove 21 is provided through on rotor 2, the two ends of blade groove 21 are for open state and towards calmly
Sub 1 inner ring wall, blade 3 is arranged in blade groove 21, and two ends and the inner ring wall of stator 1 of blade 3 are brought into close contact, blade 3
Thickness is identical with the thickness of rotor 2；Inlet opening 5a, 5b, fluid hole 6a are provided with rotor 2 and positioned at the both sides of blade 3,
6b, low pressure chamber 7a, 7b and high pressure chest 8a, 8b, the inlet opening 5a of the side of blade 3 outer end and fluid hole 6a outer end are respectively facing
The two ends of blade 3, the inlet opening 5b of the side of blade 3 outer end and fluid hole 6b outer end are respectively facing the two ends of blade 3, blade
Two inlet openings 5a, 5b of both sides outer end are respectively facing the two ends of blade 3, and two fluid holes 6a's, 6b of blade both sides is outer
End is respectively facing the two ends of blade 3, inlet opening 5a, 5b the inner and low pressure chamber 7a, the 7b connection of the corresponding side of blade 3, goes out liquid
High pressure chest 8a, the 8b connection of hole 6a, the 6b inner and corresponding side of blade 3, the high pressure chest 8a and low pressure chamber 7a of the side of blade 3,
High pressure chest 8b and low pressure chamber 7b is respectively the semicircular configuration with the rotor center of circle 0, and low pressure chamber 7a is located at high pressure chest 8a inner ring,
Low pressure chamber 7b is located at high pressure chest 8b inner ring,
High pressure chest 8a, 8b are opened on rotor 2, the both ends of the surface of insertion floating disc 15, low pressure chamber 7a, 7b be opened in rotor 2 towards
On one side of rear end cap, the high pressure chest 8a, 8b of the both sides of blade 3 and low pressure chamber 7a, 7b mutually isolate, the both sides of blade 3
Low pressure chamber 7a, 7b are connected with the inlet 11 on housing, the high pressure chest 8a, 8b of the both sides of blade 3 with the liquid outlet on housing
12 connections.
Wherein, housing includes the drive end bearing bracket 13 and rear end cap 14 being connected on 1 liang of annular end face of stator, two circles of rotor 2
Shape end face is provided with floating disc 15 and 16 between corresponding drive end bearing bracket 13 and rear end cap 14 respectively, inlet 11 on housing, goes out
Liquid mouthful 12 be may be contained within rear end cap 14, and high extrusion fluid through-hole 17, high pressure are provided with the floating disc 16 relative with rear end cap 14
Distributing groove mouthful 18, low pressure are with oil hole 19 and three high pressure compensation sealing notches 110（See Fig. 6-Fig. 8）, height extrusion fluid through-hole 17
The both ends of the surface of insertion floating disc 16, and two ends connect with high pressure chest 8a or 8b, liquid outlet 12 respectively, high pressure 18 directions of distributing groove mouthful
Rotor 2, and connected respectively with two high pressure chests 8a and 8b of the both sides of blade 3, low pressure matches somebody with somebody the two of the insertion floating disc 16 of oil hole 19
End face, and two ends respectively with low pressure chamber 7a, 7b, inlet 11 connect, while two low pressure chamber 7a that the both sides of blade 3 are isolated,
7b is connected, and three high pressure compensations seal notch 110 towards rear end cap 14, and effect is end face high pressure compensation.
See Fig. 3, working cavity 4a is divided to the cavity for two isolation in left and right in the one end of blade 3 in working cavity 4a,
The 9d curved surfaces of the other end of blade 3 and the inner ring of stator 1 are brought into close contact.Because the inner ring of stator 1 crosses rotor center of circle O all footpath line lengths
Degree is equal, so inwall of its two ends all the time with stator 1 is fitted during blade 3 rotates in working chamber, all the time its institute
Space isolation in working cavity both sides is separated.
When rotor 2 turns clockwise, the state change of the state of rotor 2 from Fig. 4 to Fig. 5 is in the leaf in working chamber 4a
The cavity on the left side of piece 3 is becoming big all the time, forms negative pressure low-pressure area, the flow direction of liquid is：Liquid is flowed into by inlet 11, stream
Enter low pressure chamber 7a, be flowed into again by inlet opening 5a in the working cavity 4a in the left side of blade 3；The working cavity 4a on the right side of blade 3
All the time diminishing, forming malleation higher-pressure region, the flow direction of liquid is：Liquid in the right side working cavity 4a of blade 3 is by going out
Fluid apertures 6b is flowed into high pressure chest 8b, and the liquid in high pressure chest 8b flows out to liquid outlet 12 again.It is in stream in working cavity 4b, 4c
The working mechanism of body is identical.
Because the length of blade 3 is fixed, rotor is a regular circle, is turned so the both ends of blade 3 are reached
Length and constant all the time outside son 2.When 2 uniform rotation of rotor, the low pressure chamber 7a and 7b of rotor liquid inlet volume sum are one
The flow input linear of definite value, i.e. inlet 11；High-pressure chamber 8a and 8b lifting rate sum are a definite values, i.e., flow is exported
Pressure is constant and flow linear relationship.
Equally, when the rotation when rotor 2 in stator 1 is opposite, operation principle is identical, now inlet opening, fluid hole, high pressure
The definition of chamber and low pressure chamber, inlet and liquid outlet is exchanged.
Embodiment 2
When blade 3 is rotated with rotor 2, become diametric plane by stator 1 and constrained, moved reciprocatingly in radial directions.Take into account 3 pairs of blade
The need for the pressure of the inwall of stator 1, blade 3 sealing effectiveness in radial directions and Practical Project, following examples are enumerated
Several blade shapes, but the protection domain of this patent is not limited to following several embodiment forms.
Blade optimization 1：Blade is primary and secondary sheet form：
See Fig. 9, blade includes female blade 31 and blades 32, and female blade 31 is arranged in blade groove 21, the two of female blade 31
End is provided with guide groove 33 of the opening towards the inwall of stator 1, and blades 32 are arranged in corresponding guide groove 33 and are being oriented to
Moved freely in groove 33.
The thrust that blades 32 are displaced outwardly comes from centrifugal force when blades 32 are rotated, or is located in guide groove 33
The roots of blades 32 sets spring again by spring thrust, or in guide groove 33 blades root be passed through hydraulic oil again by
The thrust of hydraulic oil, or the combination of this several thrust make blades 32 be brought into close contact with the inwall of stator 1；Female blade 31 and cotyledon
The thrust that piece 32 is moved inward comes from the pressure of stator inner wall.
Blade optimization 2：Flexible axle single blade form：
See Figure 10：Two ends in rotor vane groove 21 are respectively installed by one branch blade 34, outer end and the stator 1 of two branch blades 34
Liquid formation liquid flexible axle 35 is provided with inwall gluing, sealing, blade groove 21 between two branch blades 34.When a branch
When blade 34 is moved inward by the thrust of the inwall of stator 1, liquid flexible axle 35 promotes another branch blade 34 is outer to move.
Blade optimization 3：Flexible axle double leaf sheet form：
See Figure 11：It is changed to increase the branch blade 34 in sealing effectiveness, the scheme of blade optimization 2 in blade group, each branch blade 34
Comprising two single blades 34a and 34b that can relatively slidably, the branch blade 34 of double blade structure can be in blade groove 21
Move freely in the radial direction.The working mechanism of flexible axle twayblade is with flexible axle single blade.
Embodiment 3
See Figure 12-Figure 16, rotor 2 sets high pressure chest 8 towards the side of input shaft 22, and the opposite side of rotor 2 sets low pressure chamber 7,
High pressure chest 8 is isolated with low pressure chamber 7 by division board 25, and inlet opening 5 is connected with low pressure chamber 7, fluid hole 6a, 6b respectively at cavity
8a, 8b are connected, and inlet opening 5a, 5b are connected respectively at cavity 7a, 7b；High-pressure balancing ring 18 and internal rotor 2 are integral structures
Or rigid structure, the effect of high-pressure balancing ring 18 is to offset highly pressurised liquid to pass through thrust of the drive end bearing bracket 13 to high pressure chest 8.23 in figure
It is blade groove for the splined shaft of rotor 2,21.
The working mechanism of embodiment 3 and embodiment 1 are same.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of linear flow low noise liquid pump, it is characterised in that：Include housing, the input shaft extending into housing, Gu
Due to the stator in housing, the rotor and blade of stator inner ring are arranged at；Described input shaft is rigid structure or firm with rotor
Property integral structure；Described stator inner ring wall is reducing curved surface, and rotor outer ring wall is isometrical curved surface, and stator inner ring mistake
All radial line equal lengths in the rotor center of circle, rotor outer wall is brought into close contact with stator inner wall part, stator inner wall and rotor outer wall
Working chamber is formed between another part；The blade groove in its center of circle is provided through on described rotor, the two ends of blade groove are to open
Mouthful state and towards stator inner ring wall, described blade is arranged in blade groove, and the two ends of blade and stator inner ring wall are tight
It is closely connected to close；Inlet opening, fluid hole, low pressure chamber and high pressure chest, blade are provided with described rotor and positioned at the both sides of blade
The outer end of the inlet opening of side and the outer end of fluid hole are respectively facing the two ends of blade, the outer end of two inlet openings of blade both sides
The two ends of blade are respectively facing, the outer end of two fluid holes of blade both sides is respectively facing the two ends of blade, the inner of inlet opening
The low pressure chamber connection of side corresponding with blade, the high pressure chest connection of the inner side corresponding with blade of fluid hole, blade both sides
High pressure chest and low pressure chamber are mutually isolated, and the low pressure chamber of blade both sides is connected with the inlet on housing, the height of blade both sides
Pressure chamber is connected with the liquid outlet on housing.
2. a kind of linear flow low noise liquid pump according to claim 1, it is characterised in that：Described stator inner ring
Reducing curved surface is divided into multiple halving curved surfaces, and the reducing size and Orientation of each halving curved surface is identical.
3. a kind of linear flow low noise liquid pump according to claim 1, it is characterised in that：Described blade side
High pressure chest and low pressure chamber are the semicircular configuration with the rotor center of circle, and low pressure chamber is located at the inner ring of high pressure chest.
4. a kind of linear flow low noise liquid pump according to claim 1, it is characterised in that：Described high pressure chest and low
Pressure chamber is opened in two circular end faces of rotor respectively.
5. a kind of linear flow low noise liquid pump according to claim 1, it is characterised in that：Described blade is rigidity
The blade of integral structure.
6. a kind of linear flow low noise liquid pump according to claim 1, it is characterised in that：Described blade includes
Female blade and blades, described female blade are arranged in blade groove, and the two ends of female blade, which are provided with, to be open towards in stator
The guide groove of wall, described blades are arranged in corresponding guide groove and slided in guide groove.
7. a kind of linear flow low noise liquid pump according to claim 1, it is characterised in that：Described blade is one
Neighbouring two ends, which are respectively provided with branch blade, blade groove, in the flexible axle blade formed by liquid flexible axle, rotor vane groove is located at two
Liquid formation liquid flexible axle is provided between individual branch blade.
8. a kind of linear flow low noise liquid pump according to claim 1, it is characterised in that：Described housing includes
Be connected to drive end bearing bracket and rear end cap on the annular end face of stator two, two circular end faces of described rotor respectively with corresponding front end
Floating disc is provided between lid and rear end cap.
9. a kind of linear flow low noise liquid pump according to claim 7, it is characterised in that：Entering on described housing
Liquid mouthful, liquid outlet may be contained within drive end bearing bracket or rear end cap, relative with being provided with inlet, the drive end bearing bracket of liquid outlet or rear end cap
Floating disc on be provided with high fluid through-hole, high pressure distributing groove mouthful, the low pressure of extruding with oil hole and high pressure compensation sealing notch, it is described
The high both ends of the surface for extruding fluid through-hole insertion floating disc, and two ends connects with high pressure chest, liquid outlet respectively, and described high pressure is with oily
Notch is connected with two high pressure chests of blade both sides respectively towards rotor, and described low pressure matches somebody with somebody oil hole insertion floating disc
Both ends of the surface, and two ends connect with low pressure chamber, inlet respectively, described high pressure compensation sealing notch towards with inlet, go out
The drive end bearing bracket or rear end cap of liquid mouthful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710477168.5A CN107061257A (en) | 2017-06-21 | 2017-06-21 | A kind of linear flow low noise liquid pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710477168.5A CN107061257A (en) | 2017-06-21 | 2017-06-21 | A kind of linear flow low noise liquid pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107061257A true CN107061257A (en) | 2017-08-18 |
Family
ID=59594381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710477168.5A Pending CN107061257A (en) | 2017-06-21 | 2017-06-21 | A kind of linear flow low noise liquid pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107061257A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223368A (en) * | 2018-03-14 | 2018-06-29 | 太重榆液长治液压有限公司 | Water conservancy diversion end face seal slot |
| CN109209862A (en) * | 2018-10-26 | 2019-01-15 | 常州大学 | Involute surface multi-cavity oscillating pump |
| CN117627914A (en) * | 2023-11-21 | 2024-03-01 | 咖爷科技(苏州)有限公司 | Vane pump and method of assembling the same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3251308A (en) * | 1965-03-12 | 1966-05-17 | James E Dugan | Rotary motor or pump |
| US3642390A (en) * | 1968-09-12 | 1972-02-15 | Bernhard Nils Ostberg | Vane-type rotary fluid-displacing machine |
| JPS5781186A (en) * | 1980-11-07 | 1982-05-21 | Nippon Soken Inc | Vane pump |
| US4432711A (en) * | 1980-11-07 | 1984-02-21 | Nippon Soken, Inc. | Vane pump with cylinder profile defined by cycloid curves |
| CN102094816A (en) * | 2011-01-30 | 2011-06-15 | 浙江凯斯特液压有限公司 | Master and auxiliary pump |
-
2017
- 2017-06-21 CN CN201710477168.5A patent/CN107061257A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3251308A (en) * | 1965-03-12 | 1966-05-17 | James E Dugan | Rotary motor or pump |
| US3642390A (en) * | 1968-09-12 | 1972-02-15 | Bernhard Nils Ostberg | Vane-type rotary fluid-displacing machine |
| JPS5781186A (en) * | 1980-11-07 | 1982-05-21 | Nippon Soken Inc | Vane pump |
| US4432711A (en) * | 1980-11-07 | 1984-02-21 | Nippon Soken, Inc. | Vane pump with cylinder profile defined by cycloid curves |
| CN102094816A (en) * | 2011-01-30 | 2011-06-15 | 浙江凯斯特液压有限公司 | Master and auxiliary pump |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223368A (en) * | 2018-03-14 | 2018-06-29 | 太重榆液长治液压有限公司 | Water conservancy diversion end face seal slot |
| CN109209862A (en) * | 2018-10-26 | 2019-01-15 | 常州大学 | Involute surface multi-cavity oscillating pump |
| CN109209862B (en) * | 2018-10-26 | 2019-11-12 | 常州大学 | Involute surface multi-cavity oscillating pump |
| CN117627914A (en) * | 2023-11-21 | 2024-03-01 | 咖爷科技(苏州)有限公司 | Vane pump and method of assembling the same |
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Application publication date: 20170818 |
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