CN103148018B - A kind of change displacement water pump for engine-cooling system - Google Patents
A kind of change displacement water pump for engine-cooling system Download PDFInfo
- Publication number
- CN103148018B CN103148018B CN201310069393.7A CN201310069393A CN103148018B CN 103148018 B CN103148018 B CN 103148018B CN 201310069393 A CN201310069393 A CN 201310069393A CN 103148018 B CN103148018 B CN 103148018B
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- water pump
- ring
- oil duct
- vallecular cavity
- pump
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 230000008859 change Effects 0.000 title claims abstract description 15
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 10
- 238000001816 cooling Methods 0.000 title claims description 12
- 239000002826 coolant Substances 0.000 claims abstract description 16
- 239000000110 cooling liquid Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 38
- 239000000498 cooling water Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000009699 differential effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011549 displacement method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of change displacement water pump for generator, including the pump housing, pump cover, impeller, water pump support, driving shaft and belt pulley, ring chute is provided with the pump housing, it is provided with ring chute coaxial and circumferentially can carry out the ring sliding sleeve of axial back and forth movement by chute with impeller, ring chute is divided into upper vallecular cavity and lower vallecular cavity by the horizontal connecting portion of ring chute, upper vallecular cavity is separated into the first oil pocket and the first cooling liquid zone by first seal, lower vallecular cavity is separated into the second oil pocket and the second cooling liquid zone by second seal, the lower straight portion of ring sliding sleeve can pass lower vallecular cavity and extend to water pump vortex street water inlet, first oil pocket is connected with one first oil duct, second oil pocket is connected with one second oil duct and turning oil duct, first oil duct and the second oil duct pass through two-position four-way valve control, two-position four-way valve is controlled by the temperature sensor installed in engine coolant intracavitary.The water pump can change the flow, lift and moment of torsion of water pump, reach the effect of energy-conservation.
Description
Technical field
The present invention relates to engine-cooling system technical field, more particularly to a kind of change for engine-cooling system is arranged
Measure water pump.
Background technology
It is right to the technical requirements more and more higher of the water pump of engine-cooling system with continuing to develop for engine technology
In different styles engine, it is necessary to which matching water pump is provided with certain lift, flow be abundant, workability for engine
Can reliable cooling water.And the requirement more and more higher with the whole world to engine energy-saving emission reduction, cooling water pump reduction power consumption
It is inexorable trend.Current cooling water pump is fixed displacement formula, it is impossible to changes discharge capacity according to the temperature of engine cylinder-body, causes to start
Machine sub-cooled, wastes energy.
The content of the invention
There is provided one kind with defect for existing fixed displacement formula cooling water pump not enough for the technical problems to be solved by the invention
For the change displacement water pump of engine-cooling system, the water pump can realize change discharge capacity, be brought well to engine energy-saving emission reduction
Effect.
Technical problem solved by the invention can be realized using following technical scheme：
A kind of change displacement water pump for engine-cooling system, including the pump housing, pump cover, impeller, water pump support, driving shaft
And belt pulley, the pump housing links together with pump cover, water pump support, and the driving shaft is arranged on water pump branch by shaft connecting bearing
In frame, the inner of the driving shaft extends the inner side of water pump support and is fixed with impeller, the leaf on the inner of the driving shaft
Wheel coordinates with pump cover, and the outer end of the driving shaft extends the outside of water pump support and is fixed with skin on the outer end of the driving shaft
Belt wheel；There is a water pump vortex street, the water pump vortex street has the water inlet of a ring between the pump housing and the water pump support；Its
It is characterised by, a ring open slot is provided with the pump housing, a ring sleeveless jacket, the ring is offered on the pump cover
Open slot complements each other to form a ring chute with the ring sleeveless jacket；In the outer peripheral face and the ring open slot of the pump cover
Outer well surface between be provided with a radial clearance, one is provided with the ring chute coaxial and can be circumferentially with the impeller
Chute carries out the ring sliding sleeve of axial back and forth movement, and the jacket wall of the ring sliding sleeve has straight portion, a horizontal connecting portion and one on one
Straight portion down, horizontal connecting portion connects upper and lower straight portion, wherein the inner groove surface of upper straight portion's inner surface and the ring open slot is slided
Coordinate, wherein the outer well surface of lower straight portion's inner surface and the ring open slot is slidably matched, the lower straight portion may pass through described
Radial clearance and extend in the water inlet of water pump vortex street, to adjust the water pump vortex street opening degree；The ring sliding sleeve
Horizontal connecting portion the ring chute is divided into upper vallecular cavity and lower vallecular cavity, one first sealing is provided with vallecular cavity on described
The upper vallecular cavity is separated into the first oil pocket and the first cooling liquid zone by part, first seal, and one is provided with the lower vallecular cavity
The lower vallecular cavity is separated into the second oil pocket and the second cooling liquid zone by second seal, second seal, wherein the first coolant
Area and the second cooling liquid zone are connected by described radial clearance with the water pump vortex street；The first oil is also set up in the pump housing
Road and the second oil duct, and it is provided with the pump cover turning oil duct, the entrance connection one of first oil duct and the second oil duct
Two-position four-way valve, the outlet of the first oil duct is connected with the first oil pocket, and the outlet of the second oil duct connects with the entrance of the turning oil duct
Logical, the outlet of turning oil duct is connected with the second oil pocket；The two-position four-way valve passes through the temperature installed in engine coolant intracavitary
Spend sensor control.
Preferably, described first seal and the second seal are soft telescopic sealing part.
As a result of technical scheme as above, the present invention changes discharge capacity according to the temperature of engine cylinder-body, by changing
Hydraulic oil in first oil pocket and the second oil pocket, produces pressure official post sliding sleeve and moves up and down vertically, water pump is changed indirectly
The size of vortex street water inlet, so as to change the flow of water pump, lift and moment of torsion, reaches the effect of energy-conservation.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention.
Fig. 2 is Fig. 1 A-A direction views.
Fig. 3 is the enlarged drawing at I in Fig. 2.
Fig. 4 is enlarged drawing at II in Fig. 2.
Working state schematic representation when Fig. 5 is present invention increase discharge capacity.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
Referring to shown in Fig. 1 to Fig. 4, a kind of change displacement water pump for engine-cooling system, including the pump housing 100, pump cover
101st, impeller 150, water pump support 140, driving shaft 120 and belt pulley 110, the pump housing 100 are connected with pump cover 101, water pump support 140
Together, driving shaft 120 is arranged in water pump support 140 by shaft connecting bearing 121, and water pump is extended in the inner of driving shaft 120
The inner side of support 140 is simultaneously fixed with impeller 150 on the inner of driving shaft 120, and impeller 150 coordinates with pump cover 101, driving shaft
Extend the outside of water pump support 140 and belt pulley 110 is fixed with the outer end of driving shaft 120 in 120 outer end.
There is a water pump vortex street 130, water pump vortex street 130 enters water with a ring between the pump housing 100 and water pump support 140
Mouth 131；A ring open slot 180 is provided with the pump housing 100, a ring sleeveless jacket 102 is offered on pump cover 101, ring is opened
Mouth groove 180 complements each other to form a ring chute 180a with ring sleeveless jacket 102.
A radial clearance 180b is provided between the outer peripheral face of pump cover 101 and the outer well surface of ring open slot 180, in ring
One is provided with into chute 180a coaxial and circumferentially can carry out the ring sliding sleeve of axial back and forth movement by chute 180 with impeller 150
160, the jacket wall of ring sliding sleeve 160 has directly portion 160c, a horizontal connecting portion 160b and once straight portion 160a, horizontal connecting portion on one
160b connections upper and lower straight portion 160c, 160a, wherein the inner groove surface of upper straight portion 160c inner surfaces and ring open slot 180 is slided and matched somebody with somebody
Close, wherein under the outer well surface of straight portion 160a inner surfaces and ring open slot 180 be slidably matched, lower straight portion 160a may pass through between ring
Gap 180b and extend in the water inlet 131 of water pump vortex street 130, to adjust the opening degree of water pump vortex street 130.
Ring chute 180 is divided into upper vallecular cavity 183 and lower vallecular cavity 184 by the horizontal connecting portion 160b of ring sliding sleeve 160, upper
First seal 191 is provided with vallecular cavity 183, upper vallecular cavity 183 is separated into the first oil pocket 181 and first by first seal 191
Liquid zone 181a is cooled down, second seal 192 is provided with lower vallecular cavity 184, lower vallecular cavity 184 is separated into by second seal 192
Second oil pocket 182 and the second cooling liquid zone 182a, wherein the ring that the first cooling liquid zone 181a and the second cooling liquid zone 182a pass through
Connected to gap 180b with water pump vortex street 130, first seal 191 and second seal 192 are soft telescopic sealing part.
The first oil duct 211 and the second oil duct 212 are also set up in the pump housing 100, and is provided with pump cover turning oil duct
213, the entrance of the first oil duct 211 and the second oil duct 212 connects a two-position four-way valve 200, the outlet and first of the first oil duct 211
Oil pocket 181 is connected, and the outlet of the second oil duct 212 is connected with the entrance of turning oil duct 213, the outlet of turning oil duct 213 and second
Oil pocket 182 is connected；Two-position four-way valve 200 is controlled by the temperature sensor installed in engine coolant intracavitary.
Referring to shown in Fig. 3 to Fig. 5, change displacement method of the invention is as follows：
When engine has just started or weather reason, when the engine is not needed excessive coolant, if water pump is according to normal
The parameter of rule is operated from the feed liquor of inlet 170, can cause sub-cooled, wastes energy, it is cold that temperature sensor detects engine
But when the temperature in sap cavity is less than the predetermined value of coolant, two-position four-way valve 200 is controlled, makes hydraulic oil by the first oil duct 211
Into the first oil pocket 181, the pressure in the first oil pocket 181 is more than the second oil pocket 182, and ring sliding sleeve 160 is under pressure differential effect
Mobile, ring sliding sleeve 160 is slided to the bottom of impeller 150, and lower straight portion 160a separates impeller 150 and water pump vortex street 130, impeller
150 can not throw away coolant, according to principle of conservation of energy, and the mechanical work of impeller 150 is equal to the energy that coolant is obtained, when
When the energy that coolant is obtained reduces, then the mechanical work of impeller also reduces accordingly, then the consumption work(of water pump 100 also subtracts accordingly
It is small, it is finally reached the effect of energy-conservation.
When the temperature that temperature sensor detects engine coolant intracavitary is higher than the predetermined value of coolant, control two
Position four-way valve 200, makes the pressure that hydraulic oil is entered in the second oil pocket 182, the second oil pocket 182 by the second oil duct 212 be more than first
Oil pocket 181, ring sliding sleeve 160 is moved under pressure differential effect, and ring sliding sleeve 160 is moved axially upwards, and lower straight portion 160a is gradually
Move up, the connector of impeller 150 and water pump vortex street 130 is opened, and impeller 150 throws away coolant, makes the cooling effect of water pump 100
Reach optimal.
Two-position four-way valve 200 can be controlled according to the temperature height of engine coolant intracavitary, change the first oil pocket and second
The pressure differential of oil pocket 182, straight portion 160a position under control, to control the coolant of impeller 150 and water pump vortex street 130 to circulate
Amount, makes the cooling effect of water pump 100 reach most preferably.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (2)
1. a kind of change displacement water pump for engine-cooling system, including the pump housing, pump cover, impeller, water pump support, driving shaft
And belt pulley, the pump housing links together with pump cover, water pump support, and the driving shaft is arranged on water pump branch by shaft connecting bearing
In frame, the inner of the driving shaft extends the inner side of water pump support and is fixed with impeller, the leaf on the inner of the driving shaft
Wheel coordinates with pump cover, and the outer end of the driving shaft extends the outside of water pump support and is fixed with skin on the outer end of the driving shaft
Belt wheel；There is a water pump vortex street, the water pump vortex street has the water inlet of a ring between the pump housing and the water pump support；Its
It is characterised by：A ring open slot is provided with the pump housing, a ring sleeveless jacket, the ring are offered on the pump cover
Open slot complements each other to form a ring chute with the ring sleeveless jacket；In the outer peripheral face and the ring open slot of the pump cover
Outer well surface between be provided with a radial clearance, one is provided with the ring chute coaxial and can be circumferentially with the impeller
Chute carries out the ring sliding sleeve of axial back and forth movement, and the jacket wall of the ring sliding sleeve has straight portion, a horizontal connecting portion and one on one
Straight portion down, horizontal connecting portion connects upper and lower straight portion, wherein the inner groove surface of upper straight portion's inner surface and the ring open slot is slided
Coordinate, wherein the outer well surface of lower straight portion's inner surface and the ring open slot is slidably matched, the lower straight portion may pass through described
Radial clearance and extend in the water inlet of water pump vortex street, to adjust the water pump vortex street opening degree；The ring sliding sleeve
Horizontal connecting portion the ring chute is divided into upper vallecular cavity and lower vallecular cavity, one first sealing is provided with vallecular cavity on described
The upper vallecular cavity is separated into the first oil pocket and the first cooling liquid zone by part, first seal, and one is provided with the lower vallecular cavity
The lower vallecular cavity is separated into the second oil pocket and the second cooling liquid zone by second seal, second seal, wherein the first coolant
Area and the second cooling liquid zone are connected by described radial clearance with the water pump vortex street；The first oil is also set up in the pump housing
Road and the second oil duct, and it is provided with the pump cover turning oil duct, the entrance connection one of first oil duct and the second oil duct
Two-position four-way valve, the outlet of the first oil duct is connected with the first oil pocket, and the outlet of the second oil duct connects with the entrance of the turning oil duct
Logical, the outlet of turning oil duct is connected with the second oil pocket；The two-position four-way valve passes through the temperature installed in engine coolant intracavitary
Spend sensor control.
2. a kind of change displacement water pump for engine-cooling system as described in claim 1, it is characterised in that：Described
One seal and the second seal are soft telescopic sealing part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310069393.7A CN103148018B (en) | 2013-03-05 | 2013-03-05 | A kind of change displacement water pump for engine-cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310069393.7A CN103148018B (en) | 2013-03-05 | 2013-03-05 | A kind of change displacement water pump for engine-cooling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103148018A CN103148018A (en) | 2013-06-12 |
| CN103148018B true CN103148018B (en) | 2017-08-25 |
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ID=48546276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310069393.7A Active CN103148018B (en) | 2013-03-05 | 2013-03-05 | A kind of change displacement water pump for engine-cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103148018B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013111939B3 (en) * | 2013-10-30 | 2014-10-30 | Pierburg Gmbh | Coolant pump for use in the automotive sector |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008006451A1 (en) * | 2008-01-29 | 2009-07-30 | Audi Ag | Coolant pump for cooling circuit of internal combustion engine, has pump housing and control valve for controlling coolant flow through cooling circuit, where actuating unit is provided for actuating control valve |
| WO2013010683A1 (en) * | 2011-07-18 | 2013-01-24 | Schaeffler Technologies AG & Co. KG | Coolant pump for a coolant circuit of an internal combustion engine |
| DE102012207387A1 (en) * | 2011-07-27 | 2013-01-31 | Mahle International Gmbh | Cooling device for internal combustion engine in motor car, has pressure relief valve arranged over pressure side of secondary pump and inserted along direction of cooling circuit when reaching pre-defined pressure |
| CN203201871U (en) * | 2013-03-05 | 2013-09-18 | 湖南机油泵股份有限公司 | Variable-displacement water pump for engine cooling system |
-
2013
- 2013-03-05 CN CN201310069393.7A patent/CN103148018B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008006451A1 (en) * | 2008-01-29 | 2009-07-30 | Audi Ag | Coolant pump for cooling circuit of internal combustion engine, has pump housing and control valve for controlling coolant flow through cooling circuit, where actuating unit is provided for actuating control valve |
| WO2013010683A1 (en) * | 2011-07-18 | 2013-01-24 | Schaeffler Technologies AG & Co. KG | Coolant pump for a coolant circuit of an internal combustion engine |
| DE102012207387A1 (en) * | 2011-07-27 | 2013-01-31 | Mahle International Gmbh | Cooling device for internal combustion engine in motor car, has pressure relief valve arranged over pressure side of secondary pump and inserted along direction of cooling circuit when reaching pre-defined pressure |
| CN203201871U (en) * | 2013-03-05 | 2013-09-18 | 湖南机油泵股份有限公司 | Variable-displacement water pump for engine cooling system |
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| Publication number | Publication date |
|---|---|
| CN103148018A (en) | 2013-06-12 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Variable displacement water pump for engine cooling system Effective date of registration: 20181130 Granted publication date: 20170825 Pledgee: Bank of China Limited Hengdong Branch Pledgor: Hunan Oil Pump Co.,Ltd. Registration number: 2018990001127 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211214 Granted publication date: 20170825 Pledgee: Bank of China Limited Hengdong Branch Pledgor: Hunan Oil Pump Co.,Ltd. Registration number: 2018990001127 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Variable displacement water pump for engine cooling system Effective date of registration: 20211224 Granted publication date: 20170825 Pledgee: Bank of Beijing Limited by Share Ltd. Changsha branch Pledgor: Hunan Oil Pump Co.,Ltd. Registration number: Y2021430000097 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230105 Granted publication date: 20170825 Pledgee: Bank of Beijing Limited by Share Ltd. Changsha branch Pledgor: Hunan Oil Pump Co.,Ltd. Registration number: Y2021430000097 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A variable displacement water pump for engine cooling system Effective date of registration: 20230130 Granted publication date: 20170825 Pledgee: Bank of Beijing Limited by Share Ltd. Changsha branch Pledgor: Hunan Oil Pump Co.,Ltd. Registration number: Y2023430000008 |
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