CN106762689A - Without filling mass-flow self-sucking pump and its application method - Google Patents
Without filling mass-flow self-sucking pump and its application method Download PDFInfo
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- CN106762689A CN106762689A CN201611123243.XA CN201611123243A CN106762689A CN 106762689 A CN106762689 A CN 106762689A CN 201611123243 A CN201611123243 A CN 201611123243A CN 106762689 A CN106762689 A CN 106762689A
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- pump
- impeller
- working chamber
- pump housing
- small inlet
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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
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D9/00—Priming; Preventing vapour lock
- F04D9/02—Self-priming pumps
-
- 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
- F04C2/00—Rotary-piston machines or pumps
-
- 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
- F04C2/3441—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 one line or continuous surface substantially parallel to the axis of rotation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/12—Combinations of two or more pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
- F04D29/4273—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps suction eyes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to one kind without filling mass-flow self-sucking pump and its application method, it is directed to that the existing similar mass-flow self-sucking pump production cost of solution is too high, volume is larger, and high-flow impeller pump uses the technical problem that needs to fill as self priming pump and designs.The self priming pump includes pump housing assembly and motor, its main points be the motor Motor Shaft successively with impeller, blade rotor is connected, blade rotor is primary and secondary blade wheel or flexible blade wheel, blade rotor is arranged at the working chamber of the pump housing, impeller is arranged at the impeller working chamber of the pump housing, the small inlet a of the pump housing, small inlet b is communicated by water influent pipeline with working chamber import, big inlet and working chamber outlet are communicated by fluid injection chamber with impeller working chamber, the pump discharge of the pump housing is exported by impeller working chamber and communicated with impeller working chamber, small inlet a, small inlet b and water influent pipeline 5 are arranged in F shapes.Small inlet a or small inlets b is in closing, then small inlet b or small inlets a is open-minded.
Description
Technical field
It is a kind of without filling mass-flow self-sucking pump and its application method the present invention relates to liquid conveying self priming pump.
Background technology
At present, the self priming pump of fluid transfer pump is generally vane pump, flexible paddle pump and vane pump, vane pump and flexible leaflet
Piece pump has outstanding self-priming performance because of blade and pump chamber frictional fit, without filling working solution in advance during work.The leaf of big flow
Piece pump and flexible paddle pump need high torque motor to drive because of blade and pump chamber frictional fit in work, thus relatively costly.Impeller
Self priming pump is relatively conventional, and existing impeller self priming pump need to first fill working solution before work, wheel space in pump is full of, in leaf
Wheel rotation is lower constantly to complete self-priming by the gas discharge in feed tube, and self priming pump could normal work.Its advantage is big flow
Vane pump low cost, but due to needing to fill working solution before work, there is peace for liquid operations such as inflammable and explosive and corrosivity
Full hidden danger.Existing some pumps combine the structure of vane pump and vane pump, the application number as disclosed in Chinese patent literature
201520554031.1, authorized announcement date 2015.12.23, utility model title " a kind of vane rotor component of electronic water pump ";
The vane rotor component include impeller and rotor, impeller include hollow impellers axle, be fixed on front side of hollow impellers axle fixed disk,
Be fixed on arc shaped blade between hollow impellers axle and fixed disk leading flank, in arc shaped blade front side and with all arc shaped blades
The protecgulum for linking together and the front limit disk and rear position-arresting disk that are fixed on rear side of hollow impellers axle, the rotor fix impeller
On axle and between front limit disk and rear position-arresting disk, protecgulum is provided with suction inlet, and fixed disk is provided with equally distributed small logical
Hole.But above-mentioned electronic water pump is used mainly as micro pump, it is more difficult to used as mass-flow self-sucking pump, and as inflammable and explosive and
The mass-flow self-sucking pump of the liquid such as corrosivity conveying is used, and its structure is further improved.
The content of the invention
To overcome above-mentioned deficiency, the purpose of the present invention be to this area provide it is a kind of without servicing fluids without filling big flow
Self priming pump and its application method, existing similar mass-flow self-sucking pump production cost is too high to solve it, and volume is larger, and big stream
Amount vane pump uses the technical problem for needing to fill as self priming pump.The purpose is to what is be achieved through the following technical solutions.
A kind of without filling mass-flow self-sucking pump, the self priming pump includes pump housing assembly and motor, and the pump housing assembly includes big
Inlet, small inlet, water influent pipeline, working chamber, blade rotor, impeller working chamber, impeller, pump discharge, fluid injection chamber, leaf
Wheel working chamber outlet;Its structure design main points is that the Motor Shaft of the impeller, blade rotor respectively with two motors is connected, leaf
Piece rotor is arranged at the working chamber of the pump housing, and impeller is arranged at the impeller working chamber of the pump housing, and working chamber is located at impeller work
Make the front in chamber, water influent pipeline, working chamber, impeller working chamber in the pump housing, pump discharge, fluid injection chamber mutually separate coelosis
Body, the small inlet of the pump housing is communicated by water influent pipeline with working chamber import, and big inlet and working chamber outlet are logical
Cross fluid injection chamber to be communicated with impeller working chamber, the pump discharge of the pump housing is exported by impeller working chamber and communicated with impeller working chamber.Impeller,
Blade rotor drives work respectively by two motors in left and right respectively, or can implement this with the drive work simultaneously of next motor
The function and technical purpose of self priming pump, the normal work of impeller drive liquid to inject reality behind fluid injection chamber when blade rotor works
Existing, impeller is using existing cost is relatively low, small volume primary and secondary blade wheel or flexible blade wheel can meet fluid injection in the pump housing
Need.
The small inlet of the pump housing includes small inlet a, small inlet b, and small inlet a, the small inlet b of the pump housing lead to
Water influent pipeline is crossed to be communicated with working chamber import.Two small inlets or multiple small inlets, are easy to user according to reality
Use need the corresponding small inlet connecting line of selection.
Small inlet a, small inlet b and water influent pipeline are arranged in F shapes in the pump housing, and small inlet a is arranged at the pump housing
Big inlet in, small inlet b is arranged at the pump housing side of big inlet homonymy.Said structure is easy to enter by big inlet
During liquid, by the pipeline fit needed for big inlet and small inlet after, while be linked into small inlet, and small inlet external diameter
Big inlet.
Impeller working chamber diameter R in the pump housing is less than 3 times of working chamber diameter r more than 2 times.Said structure is
Optimal parameter setting, can meet fluid injection in the pump housing, and blade rotor and impeller while requirements of one's work.
Impeller working chamber top in the pump housing is provided with the cavity of pump discharge, and the cavity of pump discharge is in infundibulate chamber, note
Sap cavity is arranged at the cavity side of pump discharge, and working chamber is located in fluid injection chamber.It is above-mentioned in the pump housing each chamber specifically set
Seated position, is easy to the liquid between chamber to flow and pass in and out.
The adapter cavity in fluid injection chamber is provided between working chamber and impeller working chamber in the pump housing.Said structure is easy to
Flowed into the impeller working chamber of impeller to the liquid in pump housing fluid injection chamber by blade rotor fluid injection.
The Motor Shaft of the motor is connected with impeller, blade rotor successively, i.e., blade rotor is connected in series with motor with impeller
Motor Shaft on.Above-mentioned is a structure for motor, and the motor that the impeller and blade rotor in the pump housing share a motor goes out
Axle.
The blade rotor is primary and secondary blade wheel or flexible blade wheel.Blade wheel is the blade wheel structure in complex master and auxiliary vane pump,
Flexible blade wheel is the blade wheel structure in flexible-vane pump.
The application method of the self priming pump is characterised by:The big inlet of the pump housing, small inlet a, small inlet b,
Pump discharge is connected by corresponding pipeline respectively, and when motor works, small inlet a is in closed state, and small inlet b is then opened
It is logical;Small inlet a is in opening state, and small inlet b is then closed.Need close one of those small inlet a or small enter
Liquid mouthful b, another small inlet b or small inlets a are opened as the blade rotor liquid injection hole of water influent pipeline, could pass through blade
Rotor carries out fluid injection to fluid injection chamber, so as to meet the condition of work of impeller.
Reasonable in design of the present invention, simple structure, low production cost, small volume is safe, has a wide range of application, and pushes away
Wide prospect is good;It is suitable as without filling mass-flow self-sucking pump use, ex hoc genus anne product structure improve.
Brief description of the drawings
Fig. 1 is embodiments of the invention cross section structure diagram, and A-A section views have been made in figure, and arrow is flow direction.
Cross section structure diagram when Fig. 2 is Fig. 1 A-A parts use primary and secondary blade wheel.
Cross section structure diagram when Fig. 3 is Fig. 1 A-A parts use flexible blade wheel.
Structural representation when Fig. 4 is the work of Fig. 1.
Figure number and title:1st, big inlet, 2, small inlet a, 3, small inlet b, 4, working chamber outlet, 5,
Water influent pipeline, 6, blade rotor, 7, working chamber import, 8, working chamber, 9, impeller working chamber, 10, impeller, 11, electricity
Machine shaft, 12, motor, 13, the pump housing, 14, pump discharge, 15, fluid injection chamber, 16, the outlet of impeller working chamber.
Specific embodiment
In conjunction with accompanying drawing, structure of the present invention is further described.As shown in FIG. 1 to 3, the self priming pump includes that the pump housing is total
Into with motor 12, pump housing assembly include big inlet 1, small inlet a2, small inlet b3, water influent pipeline 5, working chamber 8,
Blade rotor 6, impeller working chamber 9, impeller 10, pump discharge 14, fluid injection chamber 15, impeller working chamber outlet 16;The motor of motor 12
Shaft 11 is connected with impeller 10, blade rotor 6 successively, i.e., blade rotor 6 is connected in series with the Motor Shaft 11 of motor 12 with impeller 10
On, blade rotor 6 is primary and secondary blade wheel or flexible blade wheel.Blade rotor 6 is arranged at the working chamber 8 of the pump housing 13, impeller
The 10 impeller working chambers 9 for being arranged at the pump housing 13, working chamber 8 is located at the front of impeller working chamber 9, the feed tube in the pump housing 13
Road 5, working chamber 8, impeller working chamber 9, pump discharge 14, fluid injection chamber 15 are mutually separated into cavity, the small inlet of the pump housing 13
A2, small inlet b3 are communicated by water influent pipeline 5 with working chamber import 7, and big inlet 1 and working chamber outlet 4 are led to
Cross fluid injection chamber 15 to be communicated with impeller working chamber 9, the pump discharge 14 of the pump housing 13 exports 16 with impeller working chamber 9 by impeller working chamber
Communicate.Meanwhile, small inlet a2, small inlet b3 and water influent pipeline 5 in the pump housing 13 are arranged in F shapes, and small inlet a2 is set
In in the big inlet 1 of the pump housing 13, small inlet b3 is arranged at the side of the pump housing 13 of big inlet homonymy.Impeller in the pump housing 13
Working chamber 8 diameter rs of the diameter R of working chamber 9 more than 2 times less than 3 times.The top of impeller working chamber 9 in the pump housing 13 is provided with pump
The cavity of outlet 14, the cavity of pump discharge 14 is in infundibulate chamber, and fluid injection chamber 15 is arranged at the cavity side of pump discharge 14, blade work
Make chamber 8 to be located in fluid injection chamber 15.The transition in fluid injection chamber 15 is provided between working chamber 8 and impeller working chamber 9 in the pump housing 13
Chamber.
As shown in figure 4, liquid is first entered in water influent pipeline 5 by small inlet a2 or small inlets b3, by working chamber
Import 7 enters in working chamber 8, and liquid compression is entered fluid injection chamber 15, fluid injection by blade rotor 6 by working chamber outlet 4
Chamber 15 is connected with impeller working chamber 9;The revolution of impeller 10 produces vacuum and self-priming, and liquid is by the intake impeller working chamber of big inlet 1
9, discharged by pump discharge 14 after being compressed through impeller 10, complete liquid conveying.Meanwhile, small inlet a2 and small inlet b3 are according to peace
Dress mode is different, and because small inlet a2 is placed in big inlet 1, small inlet a2 is in closed state, and small inlet b3 is then
It is open-minded;Small inlet a2 is in opening state, and small inlet b3 is then closed.
In sum, the present invention make use of miniature using inexpensive micro-blade pump and the advantage of high-flow impeller pump
The characteristics of self-suction of vane pump strong low cost, solving high-flow impeller formula self priming pump need in advance fill working solution and high cost
Problem, particularly eliminates potential safety hazard to the conveying of the liquid such as inflammable and explosive and corrosivity, applied widely, greatly reduces big
The cost of investment of flow pump, the equipment for liquid transportation of low cost is provided for society, has ensured the personal safety of operator.Together
When, because the self priming pump is provided with different small inlets, being selected according to use environment, simple structure is easy to use.
Claims (9)
1. without filling mass-flow self-sucking pump, the self priming pump includes pump housing assembly and motor to one kind(12), the pump housing assembly includes
Big inlet(1), small inlet, water influent pipeline(5), working chamber(8), blade rotor(6), impeller working chamber(9), impeller
(10), pump discharge(14), fluid injection chamber(15), impeller working chamber outlet(16);It is characterized in that the impeller(10), blade rotor
(6)Respectively with two motors(12)Motor Shaft(11)Connection, blade rotor(6)It is arranged at the pump housing(13)Working chamber
(8), impeller(10)It is arranged at the pump housing(13)Impeller working chamber(9), working chamber(8)Positioned at impeller working chamber(9)Before
Side, the pump housing(13)Interior water influent pipeline(5), working chamber(8), impeller working chamber(9), pump discharge(14), fluid injection chamber(15)
Mutually it is separated into cavity, the pump housing(13)Small inlet pass through water influent pipeline(5)With working chamber import(7)Communicate, enter greatly
Liquid mouthful(1)Exported with working chamber(4)By fluid injection chamber(15)With impeller working chamber(9)Communicate, the pump housing(13)Pump discharge
(14)Exported by impeller working chamber(16)With impeller working chamber(9)Communicate.
2. it is according to claim 1 without filling mass-flow self-sucking pump, it is characterised in that the pump housing(13)Small inlet
Including small inlet a(2), small inlet b(3), the pump housing(13)Small inlet a(2), small inlet b(3)By water influent pipeline
(5)With working chamber import(7)Communicate.
3. it is according to claim 2 without filling mass-flow self-sucking pump, it is characterised in that the pump housing(13)Interior small inlet a
(2), small inlet b(3)And water influent pipeline(5)Arranged in F shapes, small inlet a(2)It is arranged at the pump housing(13)Big inlet
(1)It is interior, small inlet b(3)It is arranged at the pump housing of big inlet homonymy(13)Side.
4. it is according to claim 1 without filling mass-flow self-sucking pump, it is characterised in that the pump housing(13)Interior impeller work
Make chamber(9)Working chambers of the diameter R more than 2 times less than 3 times(8)Diameter r.
5. it is according to claim 1 without filling mass-flow self-sucking pump, it is characterised in that the pump housing(13)Interior impeller work
Make chamber(9)Top is provided with pump discharge(14)Cavity, pump discharge(14)Cavity be in infundibulate chamber, fluid injection chamber(15)It is arranged at pump
Outlet(14)Cavity side, working chamber(8)Positioned at fluid injection chamber(15)It is interior.
6. it is according to claim 1 without filling mass-flow self-sucking pump, it is characterised in that the pump housing(13)Interior blade work
Make chamber(8)With impeller working chamber(9)Between be provided with fluid injection chamber(15)Adapter cavity.
7. it is according to claim 1 without filling mass-flow self-sucking pump, it is characterised in that the motor(12)Motor Shaft
(11)Successively with impeller(10), blade rotor(6)Connection, i.e. blade rotor(6)With impeller(10)It is connected in series with motor(12)Electricity
Machine shaft(11)On.
8. it is according to claim 1 without filling mass-flow self-sucking pump, it is characterised in that the blade rotor(6)It is primary and secondary leaf
Piece wheel or flexible blade wheel.
9. it is according to claim 3 without the application method for filling mass-flow self-sucking pump, it is characterised in that the pump housing(13)
Big inlet(1), small inlet a(2), small inlet b(3), pump discharge(14)Connected by corresponding pipeline respectively, motor
(12)During in work, small inlet a(2)In closed state, small inlet b(3)It is then open-minded;Small inlet a(2)In opening
Logical state, small inlet b(3)Then close.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611123243.XA CN106762689B (en) | 2016-12-08 | 2016-12-08 | Non-filling large-flow self-priming pump and using method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611123243.XA CN106762689B (en) | 2016-12-08 | 2016-12-08 | Non-filling large-flow self-priming pump and using method thereof |
Publications (2)
Publication Number | Publication Date |
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CN106762689A true CN106762689A (en) | 2017-05-31 |
CN106762689B CN106762689B (en) | 2022-10-25 |
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Application Number | Title | Priority Date | Filing Date |
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CN201611123243.XA Active CN106762689B (en) | 2016-12-08 | 2016-12-08 | Non-filling large-flow self-priming pump and using method thereof |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019029503A1 (en) * | 2017-08-10 | 2019-02-14 | 曹后存 | Novel sanitary self-priming pump |
CN114294238A (en) * | 2021-12-31 | 2022-04-08 | 江苏金荣森制冷科技有限公司 | Drainage type constant pressure self-priming pump with external open type pressure relief valve body |
CN114294241A (en) * | 2021-12-31 | 2022-04-08 | 江苏金荣森制冷科技有限公司 | Constant pressure self-priming pump with external open type pressure relief valve body |
CN114483596A (en) * | 2021-12-31 | 2022-05-13 | 江苏金荣森制冷科技有限公司 | Drainage type constant pressure self-priming pump with internal open type pressure relief valve body |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2325829A1 (en) * | 1975-09-25 | 1977-04-22 | Retel J R | Self:priming pump unit - has vane pump connected between centrifugal pump inlet and outlet branches |
JPH0942187A (en) * | 1995-07-28 | 1997-02-10 | Tohatsu Corp | Priming device for feed water pump |
KR19990002145U (en) * | 1997-06-25 | 1999-01-15 | 최성하 | Oil Circulating Rotary Vane Vacuum Pump Suction Device |
JP2002332982A (en) * | 2001-05-11 | 2002-11-22 | Tohatsu Corp | Fire pump |
EP1698220A1 (en) * | 2005-03-02 | 2006-09-06 | Hugo Vogelsang Maschinenbau GmbH | Mobile pumping device |
CN203867910U (en) * | 2014-06-12 | 2014-10-08 | 江苏新腾宇流体设备制造有限公司 | High-self-priming-magnetic-transmission self-priming pump |
CN206320043U (en) * | 2016-12-08 | 2017-07-11 | 宁波市镇海德瑞普电器有限公司 | Without filling mass-flow self-sucking pump |
-
2016
- 2016-12-08 CN CN201611123243.XA patent/CN106762689B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2325829A1 (en) * | 1975-09-25 | 1977-04-22 | Retel J R | Self:priming pump unit - has vane pump connected between centrifugal pump inlet and outlet branches |
JPH0942187A (en) * | 1995-07-28 | 1997-02-10 | Tohatsu Corp | Priming device for feed water pump |
KR19990002145U (en) * | 1997-06-25 | 1999-01-15 | 최성하 | Oil Circulating Rotary Vane Vacuum Pump Suction Device |
JP2002332982A (en) * | 2001-05-11 | 2002-11-22 | Tohatsu Corp | Fire pump |
EP1698220A1 (en) * | 2005-03-02 | 2006-09-06 | Hugo Vogelsang Maschinenbau GmbH | Mobile pumping device |
CN203867910U (en) * | 2014-06-12 | 2014-10-08 | 江苏新腾宇流体设备制造有限公司 | High-self-priming-magnetic-transmission self-priming pump |
CN206320043U (en) * | 2016-12-08 | 2017-07-11 | 宁波市镇海德瑞普电器有限公司 | Without filling mass-flow self-sucking pump |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019029503A1 (en) * | 2017-08-10 | 2019-02-14 | 曹后存 | Novel sanitary self-priming pump |
CN114294238A (en) * | 2021-12-31 | 2022-04-08 | 江苏金荣森制冷科技有限公司 | Drainage type constant pressure self-priming pump with external open type pressure relief valve body |
CN114294241A (en) * | 2021-12-31 | 2022-04-08 | 江苏金荣森制冷科技有限公司 | Constant pressure self-priming pump with external open type pressure relief valve body |
CN114483596A (en) * | 2021-12-31 | 2022-05-13 | 江苏金荣森制冷科技有限公司 | Drainage type constant pressure self-priming pump with internal open type pressure relief valve body |
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CN106762689B (en) | 2022-10-25 |
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