CN107044424A - A kind of water pump engine balance pipe cooling system - Google Patents
A kind of water pump engine balance pipe cooling system Download PDFInfo
- Publication number
- CN107044424A CN107044424A CN201710283346.0A CN201710283346A CN107044424A CN 107044424 A CN107044424 A CN 107044424A CN 201710283346 A CN201710283346 A CN 201710283346A CN 107044424 A CN107044424 A CN 107044424A
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- water
- pump
- water pump
- engine
- fixedly connected
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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
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/02—Arrangements for cooling cylinders or cylinder heads
-
- 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/02—Arrangements for cooling cylinders or cylinder heads
- F01P2003/028—Cooling cylinders and cylinder heads in series
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of water pump engine balance pipe cooling system, including one-level water pump, the side of the one-level water pump is fixedly connected with pump water inlet end cap, and side of the pump water inlet end cap away from one-level water pump connected pump water inlet, the side of the one-level water pump away from pump water inlet is fixedly connected with two grades of water pumps, and the two grades of sides of water pump away from one-level water pump are communicated with pumping line, the side of two grades of water pumps away from one-level water pump is fixedly connected with engine, and the present invention relates to equipment for liquid transportation technical field.The water pump engine balance pipe cooling system, solve engine cool water pipe pressure too high, the problem of easily leakage, processing element precision and assembly precision require high, cost is high, avoid as time went on, engine high-temperature will be caused and be stopped, it is the existing present situation from water supply pump distinct disadvantage slowly to change leakage and production assembling speed.
Description
Technical field
The present invention relates to equipment for liquid transportation technical field, specially a kind of water pump engine balance pipe cooling system.
Background technology
Water pump is the machinery for conveying liquid or being pressurized liquid.It transmits the mechanical energy of prime mover or other external energies
Liquid, increases liquid energy, and being mainly used to conveying liquid includes water, oil, acid ＆ alkali liquid, emulsion, suspended emulsion and liquid gold
Category etc., can also convey liquid, admixture of gas and the liquid containing suspended solids.The technical parameter of pump performance have flow,
Suction, lift, shaft power, water-horse power, efficiency etc.；The types such as volume water pump, vane pump can be divided into according to different operation principles.
Displacement pump is to transmit energy using the change of its swept volume of a single chamber；Vane pump be using the interaction of rotary vane and water come
Energy is transmitted, there are the types such as centrifugal pump, axial-flow pump and mixed-flow pump.
To there is problem in existing water pump engine direct expelling water pump as follows from cooling system：The water outlet of cooling water and water return pipeline
It is all disposed within the pump seat of water pump, is all thrown away in impeller outer diameter behind mouth, i.e., is disposable into and out the mouth of a river in the higher-pressure region of water pump,
When near water pump reaches H-Max or when output water route is closed, the circulation of water is that stopped, now the cooling circuit of water pump
Two interface pressure will become closely, water will stop flowing, and the cylinder head of engine will lose recyclable cooling water,
As time went on, engine high-temperature is most caused at last and is stopped.
Higher-pressure region of the delivery port of cooling water near the external diameter of water pump vane, water return outlet is in impeller behind immediate vicinity
Relatively low nip, such a cooling circuit is balanced for the impeller pressure at both sides of centrifugal high pressure water pump and helped without any, is made for a long time
In the case of can because exit of pump discharge water under high pressure, department's High-Pressure Water to impeller behind, make impeller behind pressure with
The pressure in exit is essentially the same after supercharging, and is inspiration end on front side of rachis line, and pressure is very low.So impeller both sides can be caused to have
Larger pressure differential, it may occur that one is pointed to pump inlet and the axial thrust parallel with axle, makes whole rotor press to inspiration side, sternly
Impeller can be made to occur friction with pump case or hit during weight, impeller is directly installed on the bent axle of engine again, will so cause peace
The crankshaft bearing of holding water pump impeller is substantially reduced because of the compressing life-span of long-term existence axial force, and reliability is decreased obviously, existing
Water pump engine is not suitable for multistage pump because multistage pump pressure difference is bigger from cooling system, acts on the pressure ratio list of wheel backface
Pole pump is bigger, and the axial force applied on bearing is also multiplied with the increase of series, it is impossible to reliable to provide long-term operating.
Existing engine-driven water pump is higher from pressure present in system circulation pipeline is cooled down, and water is equal to when maximum
The maximum pressure of pump, it is higher to all resistance to pressure requests of sealing surface and cooling pipe, often there is leakage situation, scene is difficult fast
Speed is solved, and the processing and assembling to product also improve difficulty, and surface finish requirements are high, and assembly precision is also high, and cost is high.Leakage
It is the existing distinct disadvantage from water supply pump slowly with production assembling speed.
The content of the invention
In view of the shortcomings of the prior art, the invention provides a kind of water pump engine balance pipe cooling system, solve and lead
Cause engine high-temperature and be stopped, it is impossible to which reliable to provide long-term operating, processing and assembling to product also improve difficulty, table
Face required precision is high, and assembly precision is also high, the problem of cost is high.
To realize object above, the present invention is achieved by the following technical programs：A kind of water pump engine balance Guan Leng
But system, including one-level water pump, the side of the one-level water pump is fixedly connected with pump water inlet end cap, and pump water inlet end cap is remote
The side of one-level water pump connected pump water inlet, and the side of the one-level water pump away from pump water inlet is fixedly connected with two grades
Water pump, and the two grades of sides of water pump away from one-level water pump are communicated with pumping line, and two grades of water pumps are away from one-level water pump
Side be fixedly connected with engine, and the back fixation of engine is connected with carburetor, the top of the engine and leans on
The side of nearly carburetor is fixedly connected with starter motor, and side of the engine away from two grades of water pumps passes through fixing bolt screw thread
Generator cap is connected with, and side of the engine away from carburetor is fixedly connected with cylinder, the two stage pump and water pump water outlet
The middle part of mouth is fixedly connected with pressure gauge, and side of the cylinder away from engine is fixedly connected with water cooling cylinder cover, the water cooling
Middle part of the cylinder cap away from cylinder side, which is run through, spark plug, and side of the water cooling cylinder cover away from pumping line is fixedly connected with
Go out flame silencer, the water feeding of water pump end cap（2）Side is disposed with hole and pump intake（3）Connection, and with water cooling cylinder cover one
It is interconnected between the top of side by cooling water low pressure return pipe, and the bottom and water cooling cylinder cover side of two grades of water pump sides
Bottom between by cooling water high pressure come water pipe be interconnected.
It is preferred that, it is threadedly coupled on the pump water inlet end cap with one-level water pump by fixing bolt, the fixing bolt
Quantity is at least six, and six fixing bolts are arranged in equidistant mode.
It is preferred that, the surface of the one-level water pump is fixedly connected with one-level pump case, and company is fixed on the surface of two grades of water pumps
Two stage pump shell is connected to, the outer surface of the one-level pump case and two stage pump shell is provided with reinforcement, and the top of water cooling cylinder is consolidated
Surely it is connected with water cooling cylinder cover.
It is preferred that, it is around property stainless steel tube, rubber tube that the cooling water low pressure return pipe and cooling water high pressure, which carry out water pipe,
Or plastic tube.
It is preferred that, the inner surface of the water pump water outlet pipe port offers screw thread.
Beneficial effect
The invention provides a kind of water pump engine balance pipe cooling system.Possesses following beneficial effect：
The water pump engine balance pipe cooling system, passes through two grades of water pumps being fixedly connected with the side of one-level water pump, two grades
Side of the water pump away from one-level water pump is fixedly connected with engine, the carburetor that the back fixation of engine is connected with, engine
The side at top is fixedly connected with starter motor, and the cylinder that side of the engine away from carburetor is fixedly connected with, cylinder
Away from the spark plug being fixedly connected with the middle part of engine side, the flame silencer that goes out that the side of cylinder is fixedly connected with is solved
Under engine-driven water pump specific operation cooling water not the parking of cycle engine overheat the problem of, add two-in-one function
Balance pipe, solve water pump water inlet and the larger bearing of pump outlet pressure differential by axial force it is excessive the problem of, improve
In the life-span used, reliability is enhanced, it is too high to solve engine cool water pipe pressure, easily leakage, processing part essence
The problem of degree and assembly precision require high, cost is high, it is to avoid as time went on, will cause engine high-temperature and stops work
Make, it is the existing present situation from water supply pump distinct disadvantage slowly to change leakage and production assembling speed.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the top view of structure of the present invention；
Fig. 3 is the upward view of structure of the present invention；
Fig. 4 is the side view of structure of the present invention.
In figure：1 one-level water pump, 2 pump water inlet end caps, 3 pump intakes, 4 two grades of water pumps, 5 pump outlets, 6 engines,
7 carburetors, 8 cooling water high pressures come water pipe, 9 starter motors, 10 generator caps, 11 cylinders, 12 pressure gauges, 13 water cooling cylinder covers, 14
Spark plug, 15 are gone out flame silencer, 16 cooling water low pressure return pipes.
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.
Fig. 1-4 are referred to, the present invention provides a kind of technical scheme：A kind of water pump engine balance pipe cooling system, including
One-level water pump 1, the side of one-level water pump 1 is fixedly connected with pump water inlet end cap 2, pump water inlet end cap 2 to be passed through admittedly with one-level water pump 1
Determine bolt thread connection, the quantity of fixing bolt is at least six, and six fixing bolts are arranged in equidistant mode, one-level
The surface of water pump 1 is fixedly connected with one-level pump case, and the surface of two grades of water pumps 4 is fixedly connected with two stage pump shell, one-level pump case
Reinforcement is provided with the outer surface of two stage pump shell, and the top of cylinder 11 is fixedly connected with water cooling cylinder cover 13, and pump enters
Side of the water end (W.E.) lid 2 away from one-level water pump 1 connected pump intake 3, and side of the one-level water pump 1 away from pump intake 3 is consolidated
Surely two grades of water pumps 4 are connected with, and the two grades of sides of water pump 4 away from one-level water pump 1 are communicated with pump outlet 5, water pump water outlet
The inner surface of 5 ports of mouth offers screw thread, and the two grades of sides of water pump 4 away from one-level water pump 1 are fixedly connected with engine 6, and
The back fixation of engine 6 is connected with carburetor 7, the top of engine 6 and is fixedly connected with starting close to the side of carburetor 7
Motor 9, side of the engine 6 away from two grades of water pumps 4 is threaded with generator cap 10, and engine 6 by fixing bolt
Side away from carburetor 7 is fixedly connected with cylinder 11, and the middle part of two stage pump 4 and pump outlet 5 is fixedly connected with pressure gauge
12, and side of the cylinder 11 away from engine 6 is fixedly connected with water cooling cylinder cover 13, and water cooling cylinder 13 is away from the side of cylinder 11
Portion, which is run through, spark plug 14, and side of the water cooling cylinder cover 13 away from pumping line 5 is fixedly connected with go out flame silencer 15, water
The side of pump water inlet end cap 2 is disposed with hole and connected with pump intake 3, and by cold between the top of the side of water cooling cylinder cover 13
But water low pressure return pipe 16 is interconnected, and passes through between the bottom of two grades of sides of water pump 4 and the bottom of the side of water cooling cylinder 13
Cooling water high pressure is carried out water pipe 8 and is interconnected, and it is around property stainless steel that cooling water low pressure return pipe 16 and cooling water high pressure, which carry out water pipe 8,
Pipe, rubber tube or plastic tube.
The chilled(cooling) water return (CWR) is adapted to single pump and multistage pump, and the high-pressure outlet of collection cooling water is designed in water pump higher-pressure region
The position that impeller relativelys close to center behind is located at the cylindrical place of mechanical seal, water inlet of the cooling water backwater Interface design in water pump
Place, pressure is minimum herein, for relatively existing water pump, and nearly delivery port is separated, even if water pump reaches H-Max or pipeline
When closing connects situation, larger pressure differential is still had at two mouths of Inlet and outlet water, can still continue cycling through, also may be used inside cylinder head
With obtain circulation cooling water, comparatively can greatly prolong cool time, can effectively extend because caused by overheat stop when
Between, can more it be applicable for multi-stage water pump.
The water outlet mouthpiece of chilled(cooling) water return (CWR) is designed in the behind of higher-pressure region impeller near mechanical seal ring, backwater interface
Design is near the low pressure water inlet of water pump, and high-pressure outlet is connected to the engine water cooling cylinder for needing to cool down by stainless steel pipeline
On head, at the low-pressure inlet that back water pump is connected by stainless steel tube, complete chilled(cooling) water return (CWR) is formed, this loop realizes two
Individual critical function, one is to provide cooling water radiates for cylinder head, and the two balance pipe functions of acting as can effectively reduce impeller behind
With the pressure differential at water inlet two, the axial thrust of heeling pump reduces the axial float of impeller, it is to avoid impeller occurs with shell
Friction, greatly reduces the axial force born on bearing, effectively the running life of extension bearing, improves reliability, reduces
Maintenance and repair cost.
The uninterrupted that cooling tube can be balanced by adjusting according to the specific pressure size of multistage pump adapts to the water of more stages
Pump, the regulation of water pump system inner loop and outer loop can be realized by installing manual three-way valve door additional on low pressure return pipe, i.e.,
Whether water of the valve selection in outer circulation after water pump cooling directly sprays to outside equipment, gambled with convenient visual observation water route
Match, operating mode is very clear, can reach that maximum is raised in water side when installing automatic pressure relief valve additional in cooling backwater tube loop
Automatically turned on when journey or closing water route and realize that outer circulation ensures the independent loops of cooling water, it is to avoid cooling water flow is too low, starts
Machine temperature is raised.
High-pressure cooling water delivery port is located at the higher-pressure region near the mechanical seal ring of impeller behind, and drawing interface has by reality
The current limliting aperture of determination is tested, the stainless steel tube access Water cooling cylinder head after metering hole is being connected to water pump through stainless steel tube
Pipe section product behind water inlet, metering hole is both greater than the sectional area of metering hole, because flow velocity reduction pressure is reduced naturally, returns
The water inlet for being connected to water pump is designed at the mouth of a river again, so pressure is relative with being pressed inside existing cooling system in the cooling pipe
Power bottom is a lot, can also have no resistance even if the cooling water in cooling line when water pump reaches H-Max or water route is closed
Flow back to water pump water inlet, Gu leakage phenomenon caused by when the set cooling scheme can effectively reduce hypertonia, can also
Reduction processing and manufacturing and assembly precision, rubber o-ring both can perfection realize long term seal effect.
The mode for the cooling engine cylinder head that the cooling scheme is used in engine-driven water pump class, monopole centrifugal water
Pump, multi-stage centrifugal pump, plunger pump, membrane pump, axial-flow pump, peripheral pump, vane pump, reciprocating pump, water-ring vacuum pump, screw rod
Pump, lobe pump, gear pump etc..
During work, the fuel of engine 6 is given altogether by carburetor 7, after starter motor 9 is to electricity, is periodically lighted a fire through spark plug 14,
After engine 6 is started and internal centrifugal impeller is driven to rotate, after impeller pressurization of the water entered from pump water inlet 3 by rotation
Discharged through pumping line 5, realize that water pump provides pressure with flow for using required.This process reclaimed water is increased pressure by low pressure step by step
Outside power and flow velocity jet pump, now there is larger pressure difference between intake-outlet, in the back side mechanical seal ring of afterbody impeller
Nearby water is drawn outside pump case through metering hole, carrying out water pipe 8 through supercooled water high pressure will be carried out in cold water importing cylinder 11 and cylinder cap
Circulation, realizes that cooling engine 6 takes away the purpose of heat, the water for taking away heat conveys water through supercooled water low pressure return pipe 16
To the low-pressure end of pump intake, the pressure that balance impeller is imported and exported is realized, the burden of bearing is reduced, extension bearing life and can
By property, while completing the cooling circulation of engine 6, backwater channel does not almost have pressure equivalent to open-circuit condition, so will not make
Into leakage.As long as pump working just have endlessly cooling water provide engine 6 radiate, the method be adapted to monopole water pump also fit
Multi-stage water pump is closed to use.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions.By sentence " including one ... the key element limited, it is not excluded that
Also there is other identical element in the process including the key element, method, article or equipment ".
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 (5)
1. a kind of water pump engine balance pipe cooling system, including one-level water pump（1）, it is characterised in that：The one-level water pump（1）
Side be fixedly connected with pump water inlet end cap（2）, and pump water inlet end cap（2）Away from one-level water pump（1）Side connected water
Pump water inlet mouthful（3）, the one-level water pump（1）Away from pump intake（3）Side be fixedly connected with two grades of water pumps（4）, and
Two grades of water pumps（4）Away from one-level water pump（1）Side be communicated with pump outlet（5）, two grades of water pumps（4）Away from one-level water
Pump（1）Side be fixedly connected with engine（6）, and engine（6）Back fixation be connected with carburetor（7）, the hair
Motivation（6）Top and close to carburetor（7）Side be fixedly connected with starter motor（9）, the engine（6）Away from two grades
Water pump（4）Side generator cap is threaded with by fixing bolt（10）, and engine（6）Away from carburetor（7）'s
Side is fixedly connected with cylinder（11）, the two stage pump（4）And pump outlet（5）Middle part be fixedly connected with pressure gauge
（12）, and cylinder（11）Away from engine（6）Side be fixedly connected with water cooling cylinder cover（13）, the water cooling cylinder cover（13）Far
From cylinder（11）The middle part of side, which is run through, spark plug（14）, and water cooling cylinder cover（13）Away from pump outlet（5）Side
It is fixedly connected with the flame silencer that goes out（15）, the pump water inlet end cap（2）Side is disposed with hole and pump intake（3）Connection, and
With water cooling cylinder cover（13）Pass through cooling water low pressure return pipe between the top of side（16）It is interconnected, and two grades of water pumps（4）
The bottom of side and water cooling cylinder cover（13）By cooling water high pressure come water pipe between the bottom of side（8）It is interconnected.
2. a kind of water pump engine balance pipe cooling system according to claim 1, it is characterised in that：The pump water inlet end
Lid（2）Upper and one-level water pump（1）It is threadedly coupled by fixing bolt, the quantity of the fixing bolt is at least six, and six
Individual fixing bolt is arranged in equidistant mode.
3. a kind of water pump engine balance pipe cooling system according to claim 1, it is characterised in that：The one-level water pump
（1）Surface be fixedly connected with one-level pump case, and two grades of water pumps（4）Surface be fixedly connected with two stage pump shell, the one-level
The outer surface of pump case and two stage pump shell is provided with reinforcement, and cylinder（11）Top be fixedly connected with water cooling cylinder cover
（13）.
4. a kind of water pump engine balance pipe cooling system according to claim 1, it is characterised in that：The cooling water is low
Push back water pipe（16）Carry out water pipe with cooling water high pressure（8）It is around property stainless steel tube, rubber tube or plastic tube.
5. a kind of water pump engine balance pipe cooling system according to claim 1, it is characterised in that：The water pump water outlet
Pipe（5）The inner surface of port offers screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710283346.0A CN107044424B (en) | 2017-04-26 | 2017-04-26 | Balanced pipe cooling system of water pump engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710283346.0A CN107044424B (en) | 2017-04-26 | 2017-04-26 | Balanced pipe cooling system of water pump engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107044424A true CN107044424A (en) | 2017-08-15 |
| CN107044424B CN107044424B (en) | 2023-07-18 |
Family
ID=59546816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710283346.0A Active CN107044424B (en) | 2017-04-26 | 2017-04-26 | Balanced pipe cooling system of water pump engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN107044424B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05179946A (en) * | 1991-12-28 | 1993-07-20 | Mazda Motor Corp | Power plant construction for vehicle |
| CN1844678A (en) * | 2006-04-05 | 2006-10-11 | 丛铭 | Single-stage horizontal automatic-balancing centrifugal seal pump device |
| CN101363440A (en) * | 2008-09-28 | 2009-02-11 | 江苏国泉泵业制造有限公司 | Multiple stage centrifugal pump with associate impeller and oil sealing chamber |
| CN204591446U (en) * | 2015-02-11 | 2015-08-26 | 邢台捷龙航科机械科技有限公司 | Engine-driving centrifugal water pump is from cooling system |
| CN204783844U (en) * | 2015-07-13 | 2015-11-18 | 江西省万载水泵有限责任公司 | Horizontal multistage centrifugal pump |
| CN207178231U (en) * | 2017-04-26 | 2018-04-03 | 芜湖长捷航空动力科技有限责任公司 | A kind of water pump engine balance pipe cooling system |
-
2017
- 2017-04-26 CN CN201710283346.0A patent/CN107044424B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05179946A (en) * | 1991-12-28 | 1993-07-20 | Mazda Motor Corp | Power plant construction for vehicle |
| CN1844678A (en) * | 2006-04-05 | 2006-10-11 | 丛铭 | Single-stage horizontal automatic-balancing centrifugal seal pump device |
| CN101363440A (en) * | 2008-09-28 | 2009-02-11 | 江苏国泉泵业制造有限公司 | Multiple stage centrifugal pump with associate impeller and oil sealing chamber |
| CN204591446U (en) * | 2015-02-11 | 2015-08-26 | 邢台捷龙航科机械科技有限公司 | Engine-driving centrifugal water pump is from cooling system |
| CN204783844U (en) * | 2015-07-13 | 2015-11-18 | 江西省万载水泵有限责任公司 | Horizontal multistage centrifugal pump |
| CN207178231U (en) * | 2017-04-26 | 2018-04-03 | 芜湖长捷航空动力科技有限责任公司 | A kind of water pump engine balance pipe cooling system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107044424B (en) | 2023-07-18 |
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