CN110714831A - Water pump for engine - Google Patents

Water pump for engine Download PDF

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Publication number
CN110714831A
CN110714831A CN201911219044.2A CN201911219044A CN110714831A CN 110714831 A CN110714831 A CN 110714831A CN 201911219044 A CN201911219044 A CN 201911219044A CN 110714831 A CN110714831 A CN 110714831A
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CN
China
Prior art keywords
water pump
water
volute
oil cooler
engine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201911219044.2A
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Chinese (zh)
Other versions
CN110714831B (en
Inventor
谢俊锋
石荣国
牛晨晓
牛多青
饶路路
周浩
李龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chery Automobile Co Ltd
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SAIC Chery Automobile Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SAIC Chery Automobile Co Ltd filed Critical SAIC Chery Automobile Co Ltd
Priority to CN201911219044.2A priority Critical patent/CN110714831B/en
Publication of CN110714831A publication Critical patent/CN110714831A/en
Application granted granted Critical
Publication of CN110714831B publication Critical patent/CN110714831B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00Pumping cooling-air or liquid coolants
    • F01P5/10Pumping liquid coolant; Arrangements of coolant pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/08Arrangements of lubricant coolers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00Liquid cooling
    • F01P3/02Arrangements for cooling cylinders or cylinder heads
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00Liquid cooling
    • F01P3/02Arrangements for cooling cylinders or cylinder heads
    • F01P2003/021Cooling cylinders
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2060/00Cooling circuits using auxiliaries
    • F01P2060/04Lubricant cooler

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses a water pump for an engine, and belongs to the field of engine cooling. This water pump includes: a water pump volute integrated on the oil cooler housing of the engine; the water pump shell is hermetically connected with the water pump volute to form an impeller cavity in a matching manner; the water pump assembly is arranged in the water pump shell; the water pump volute is provided with a water pump water inlet, the inner wall of the water pump water inlet is provided with an oil cooler water outlet, and the water pump shell is provided with a water pump water outlet correspondingly communicated with the water pump water inlet; an oil cooler water inlet is formed in the inner wall of a volute chamber of the water pump volute; the water inlet of the oil cooler is communicated with the water channel inlet of the oil cooler, and the water outlet of the oil cooler is communicated with the water channel outlet of the oil cooler; the water inlet of the water pump is communicated with the water outlet of the water pump to form a water inlet of the cylinder body in a matching way, and the water inlet of the cylinder body is communicated with the volute chamber port of the pump volute. The water pump simplifies the structure of the engine cooling system, reduces the weight of the engine cooling system, and is favorable for reducing the water leakage risk of the engine cooling system.

Description

Water pump for engine
Technical Field
The invention relates to the field of engine cooling, in particular to a water pump for an engine.
Background
The use of 48V engines is capable of meeting increasing vehicle load demands and increasingly stringent emissions requirements, however, this also places higher demands on the engine cooling system.
In order to ensure that the working temperature of a 48V engine is normal, a water pump of the engine is generally adopted to pump out cooling water at present, and the cooling water is introduced into an oil cooler through a branch additionally arranged outside the oil cooler for circulating cooling.
In the process of implementing the invention, the inventor finds that at least the following problems exist in the prior art:
through add the branch road outside the oil cooler, not only make arrange the degree of difficulty and cooling system weight increase, still increased engine cooling system's the risk of leaking simultaneously.
Disclosure of Invention
In view of this, the present invention provides a water pump for an engine, which can solve the above technical problems. Specifically, the method comprises the following technical scheme:
there is provided a water pump for an engine, the water pump comprising: a water pump volute integrated on the oil cooler housing of the engine;
the water pump shell is hermetically connected with the water pump volute to form an impeller cavity in a matching mode;
the water pump assembly is arranged in the water pump shell;
the water pump volute is provided with a water pump water inlet, the inner wall of the water pump water inlet is provided with an oil cooler water outlet, and the water pump shell is provided with a water pump water outlet correspondingly communicated with the water pump water inlet;
an oil cooler water inlet is formed in the inner wall of the volute chamber of the water pump volute;
the water inlet of the oil cooler is communicated with the water channel inlet of the oil cooler, and the water outlet of the oil cooler is communicated with the water channel outlet of the oil cooler;
the water pump water inlet is communicated with the water pump water outlet to form a cylinder water inlet in a matching manner, and the cylinder water inlet is communicated with a volute chamber port of the pump volute.
In one possible implementation, the water pump housing includes: the volute connecting section, the sealing section and the transmission section are sequentially connected from front to back;
the water outlet of the water pump is positioned on the volute connecting section;
the water pump assembly includes: the transmission shaft is rotatably arranged in the water pump shell, and the front end of the transmission shaft extends out of the volute connecting section;
the bearing is fixedly arranged in the transmission section and used for supporting the transmission shaft;
the impeller is connected with the front end of the transmission shaft;
the mechanical seal is sleeved on the transmission shaft and positioned inside the sealing section.
In a possible implementation manner, a sealing gasket is arranged between the contact surfaces of the water pump volute and the volute connecting section.
In one possible implementation, the bearing is an elongated linear bearing.
In a possible implementation manner, the wall of the transmission section is provided with an exhaust hole.
In one possible implementation, the impeller is a shrouded impeller.
In a possible implementation manner, a turbulent flow structure is arranged on the wall of the inner cavity of the sealing section.
In a possible implementation manner, the turbulent flow structure is a plurality of convex blocks which are arranged on the wall of the inner cavity of the sealing section and are convex along the radial direction.
In a possible implementation manner, an overflow groove is arranged on the outer wall of the water pump housing, and the overflow groove is communicated with the mechanical seal.
In a possible implementation manner, a volute tongue is arranged at the water outlet of the water pump.
The technical scheme provided by the embodiment of the invention has the beneficial effects that at least:
according to the water pump for the engine provided by the embodiment of the invention, the water pump volute is matched and hermetically connected with the water pump shell to form an impeller cavity so as to accommodate an impeller in the water pump assembly. When the water pump assembly works, cooling water can enter the volute chamber of the water pump volute from the water inlet of the water pump, and enters the water channel of the oil cooler for circulation through the water inlet of the oil cooler on one path, and the cooling water enters the water inlet of the water pump again for circulation through the water channel outlet of the oil cooler and the water outlet of the oil cooler after being cooled circularly. The water pump inlet on the water pump volute is communicated with the water pump outlet on the water pump shell, and the water pump inlet and the water pump outlet are matched to form a cylinder body water inlet to be communicated with the interior of a cylinder body of the engine, so that the other path of cooling water enters the cylinder body of the engine from the cylinder body water inlet to circulate. Therefore, the water pump provided by the embodiment of the invention has the advantages that the water pump volute is integrated on the oil cooler, the water inlet of the oil cooler and the water outlet of the oil cooler are communicated with the water channel inlet and the water channel outlet of the oil cooler, the design of a branch connected with the oil cooler is reduced on the premise of realizing the circulation of cooling water in the oil cooler, the structure of an engine cooling system is simplified, the weight of the engine cooling system is reduced, and the water pump has important significance for the light weight and the low cost of an engine. In addition, the number of parts is reduced, and the water leakage risk of the engine cooling system is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of a water pump for an engine according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a volute of a water pump according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a water pump housing according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a connection relationship between a water pump assembly and a water pump housing according to an embodiment of the invention;
fig. 5 is a schematic structural diagram of a shrouded impeller according to an embodiment of the present invention.
The reference numerals denote:
1-a water pump volute, 101-a water pump inlet, 102-an oil cooler outlet, 103-an oil cooler inlet,
104-volute chamber port, 2-water pump shell, 201-volute connecting section, 202-sealing section, 203-transmission section,
301-drive shaft, 302-bearing, 303-impeller, 304-mechanical seal,
4-water outlet of water pump, 5-sealing gasket, 6-air outlet,
7-turbulent flow structure, 8 overflow groove, 9-volute tongue and 10-belt pulley.
Detailed Description
In order to make the technical solutions and advantages of the present invention clearer, the following will describe embodiments of the present invention in further detail with reference to the accompanying drawings.
An embodiment of the present invention provides a water pump for an engine, as shown in fig. 1 and 4, the water pump includes: a water pump volute 1 integrated on the oil cooler shell of the engine;
the water pump shell 2 is hermetically connected with the water pump volute 1 to form an impeller cavity in a matching mode;
the water pump assembly is arranged in the water pump shell 2;
as shown in fig. 2, the water pump volute 1 is provided with a water pump inlet 101, the inner wall of the water pump inlet is provided with an oil cooler outlet 102, and as shown in fig. 3, the water pump housing 2 is provided with a water pump outlet 4 correspondingly communicated with the water pump inlet 101;
an oil cooler water inlet 103 is arranged on the inner wall of the volute chamber of the water pump volute 1;
the water inlet 103 of the oil cooler is communicated with the water channel inlet of the oil cooler, and the water outlet 102 of the oil cooler is communicated with the water channel outlet of the oil cooler;
the water pump inlet 101 is communicated with the water pump outlet 4 to form a cylinder water inlet in a matching way, and the cylinder water inlet is communicated with a volute chamber port 104 of the water pump volute 1.
In the water pump for the engine provided by the embodiment of the invention, the water pump volute 1 and the water pump shell 2 are matched and hermetically connected to form an impeller cavity so as to accommodate an impeller 303 in a water pump assembly. When the water pump assembly works, cooling water can enter the volute chamber of the water pump volute 1 from the water pump water inlet 101, and enters the water channel of the oil cooler for circulation through the oil cooler water inlet 103 on one path, and after cooling water is circulated and cooled, the cooling water enters the water pump water inlet 101 of the water pump again through the water channel outlet of the oil cooler and the oil cooler water outlet 102 in sequence for recirculation. The water pump inlet 101 on the water pump volute 1 is communicated with the water pump outlet 4 on the water pump shell 2, and the water pump inlet and the water pump outlet are matched to form a cylinder body water inlet to be communicated with the interior of a cylinder body of the engine, so that the other path of cooling water enters the cylinder body of the engine from the cylinder body water inlet to circulate. Therefore, the water pump provided by the embodiment of the invention has the advantages that the water pump volute 1 is integrated on the oil cooler, the oil cooler water inlet 103 and the oil cooler water outlet 102 which are communicated with the water channel inlet and the water channel outlet of the oil cooler are formed in the water pump volute 1, the design of the branch circuit connected with the oil cooler is reduced on the premise of realizing the circulation of cooling water in the oil cooler, the structure of an engine cooling system is simplified, the weight of the engine cooling system is reduced, and the water pump has important significance for the light weight and the low cost of an engine. In addition, the number of parts is reduced, and the water leakage risk of the engine cooling system is reduced.
The water pump volute 1 can be machined in a casting and machining mode, and is integrated with the shell of the oil cooler. The oil cooler is installed on the cylinder body of the engine.
It can be understood that the water pump water inlet 101 on the water pump volute 1 is communicated with the water pump water outlet 4 on the water pump housing 2, the water pump water inlet and the water pump water outlet are formed by matching the two to form a cylinder water inlet, the cylinder water inlet is communicated with the volute chamber port 104 of the water pump volute 1, and the volute chamber port 104 is communicated with the interior of the engine cylinder through a pipeline, so that the purpose of communicating the cylinder water inlet with the interior of the engine cylinder is achieved, most of cooling water enters the interior of the engine cylinder and passes through the cylinder, the cylinder cover, the radiator, the warm air, the temperature regulator and the like, and finally enters the.
In the embodiment of the present invention, as shown in fig. 3 and 4, the water pump housing 2 includes: a volute connecting section 201, a sealing section 202 and a transmission section 203 which are connected in sequence from front to back. Wherein, the second water pump outlet 4 is located on the volute connecting section 201.
The water pump assembly includes: the transmission shaft 301 is rotatably arranged inside the water pump shell 2, and the front end of the transmission shaft extends out of the volute connecting section 201;
a bearing 302 fixedly arranged inside the transmission section 203 and used for supporting the transmission shaft 301;
an impeller 303 connected to the front end of the drive shaft 301;
a mechanical seal 304 sleeved on the transmission shaft 301 and located inside the sealing section 202.
When the cooling water pump is used, the transmission shaft 301 rotates under the action of the engine to drive the impeller 303 to rotate, and then the cooling water is pumped into the volute chamber of the water pump volute 1. The bearing 302 is used to support the transmission shaft 301 so that it can rotate stably. Mechanical seal 304 is used to seal impeller 303 within the impeller cavity, preventing backflow of coolant.
The rear end of the water pump shell 2 is provided with a cover plate, the rear end of the transmission shaft 301 penetrates through the cover plate in a sealing mode and then is connected with the belt pulley 10 (the belt pulley 10 can be directly pressed on the rear end of the transmission shaft 301), and the belt pulley 10 is driven by the engine to rotate so as to drive the transmission shaft 301 to rotate.
As shown in fig. 4, the inner diameter of the volute connecting section 201 is larger than the inner diameters of the sealing section 202 and the transmission section 203 of the water pump housing 2, and the sealing section 202 and the transmission section 203 are set according to the length of the transmission shaft 301. The volute connecting section 201 comprises a small-diameter cavity and a large-diameter cavity which are sequentially communicated, wherein the small-diameter cavity is communicated with the inner cavity of the sealing section 202, and the large-diameter cavity is used for being matched with the water pump volute 1 to form an impeller cavity so as to accommodate the impeller 303.
The large-diameter cavity of the volute connecting section 201 can be understood as the second water pump water outlet 4 of the water pump housing 2, and the volute tongue 9 is arranged at the second water pump water outlet 4 to guide and improve the state of cooling water.
The portion of the volute connecting section 201 corresponding to the large-diameter chamber is used for connecting with the water pump volute 1, and at least the portion corresponds to the contact surface of the water pump volute 1. In order to improve the sealing performance of the water pump, in the embodiment of the invention, as shown in fig. 3, a sealing gasket 5 is arranged between the contact surfaces of the water pump volute 1 and the volute connecting section 201. The sealing gasket 5 may be made of elastic rubber, and the shape of the sealing gasket may be the same as the contact surface of the volute connecting section 201 of the water pump volute 1 and the water pump housing 2.
In an example, a plurality of connecting ear plates, for example, 5 connecting ear plates, may be disposed radially outward at the peripheral positions of the water pump volute 1 and the volute connecting section 201, and the connecting ear plates are correspondingly connected by using bolts, so that the connection between the water pump volute 1 and the water pump housing 2 may be achieved, and meanwhile, the sealing gasket 5 is conveniently compressed therein, so as to improve the sealing effect.
In order to improve the stability of the transmission shaft 301, the bearing 302 used in the embodiment of the present invention is an elongated linear bearing with higher reliability, so that the service life of the water pump can be ensured to be long enough.
In order to avoid the problem that part of the cooling water can form water vapor through the rotation of the impeller 303, the water vapor can enter the transmission section 203 through the mechanical seal 304 to affect the operation of the transmission shaft 301 and the bearing 302, the embodiment of the invention is provided with the exhaust hole 6 on the wall of the transmission section 203 of the water pump shell 2, and the water vapor is discharged through the exhaust hole 6.
The impeller 303 used in the embodiment of the present invention is a shrouded impeller, and the structure of the shrouded impeller can be seen in fig. 5. Therefore, the working efficiency of the water pump can be improved and the power of the transmission shaft 301 of the water pump can be reduced by controlling the gap between the impeller 303 and the volute. Further, the clearance between closed impeller and the volute chamber can be designed, the flow rate of the outlet of the volute chamber row line is guaranteed to meet the use requirement, the efficiency value of the water pump is improved, and the shaft power and the friction loss of the whole cooling system are reduced.
When the impeller 303 adopted in the embodiment of the present invention is a closed impeller, the impeller may include six uniformly distributed blades, and correspondingly, the volute contour line of the water pump volute 1 obtains the radius increment relative to the base circle by selecting as many cross sections as possible and combining the flow area and the volute width. Smoothly connecting the radii of the sections. And obtaining a volute contour line. And then processing the water inlet hole of the oil cooler by pre-casting finish machining or other process methods. The circle center is at the middle position of the contour line, and the boundary is intersected with the inner wall and the middle base circle boss.
In the embodiment of the invention, the turbulent flow structure 7 is arranged on the wall of the inner cavity of the sealing section 202 of the water pump shell 2, so that sealing water in the mechanical seal 304 can form turbulent flow to lubricate the surface of the mechanical seal 304 under the interference action of the turbulent flow structure 7, so that the service life of the mechanical seal 304 is prolonged, and the sealing operation is more stable and reliable.
As an example, the flow disturbing structure 7 is a plurality of protrusions, for example, 4-6 protrusions distributed uniformly, which are arranged on the wall of the inner cavity of the sealing section 202 and protrude in the radial direction.
In order to prevent the overflowing sealing water from entering the inner cavity of the water pump to interfere the operation of the water pump, the embodiment of the invention is provided with an overflow groove 8 on the outer wall of the water pump housing 2, the overflow groove 8 is communicated with the mechanical seal 304, and the sealing water overflowing from the mechanical seal 304 is collected. Wherein, the overflow launder 8 can be arranged into a long strip-shaped groove along the axial direction of the water pump shell 2.
The above description is only for facilitating the understanding of the technical solutions of the present invention by those skilled in the art, and is not intended to limit the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A water pump for an engine, the water pump comprising: a water pump volute integrated on the oil cooler housing of the engine;
the water pump shell is hermetically connected with the water pump volute to form an impeller cavity in a matching mode;
the water pump assembly is arranged in the water pump shell;
the water pump volute is provided with a water pump water inlet, the inner wall of the water pump water inlet is provided with an oil cooler water outlet, and the water pump shell is provided with a water pump water outlet correspondingly communicated with the water pump water inlet;
an oil cooler water inlet is formed in the inner wall of the volute chamber of the water pump volute;
the water inlet of the oil cooler is communicated with the water channel inlet of the oil cooler, and the water outlet of the oil cooler is communicated with the water channel outlet of the oil cooler;
the water pump water inlet is communicated with the water pump water outlet to form a cylinder water inlet in a matching manner, and the cylinder water inlet is communicated with a volute chamber port of the pump volute.
2. The water pump for an engine according to claim 1, wherein the water pump housing includes: the volute connecting section, the sealing section and the transmission section are sequentially connected from front to back;
the water outlet of the water pump is positioned on the volute connecting section;
the water pump assembly includes: the transmission shaft is rotatably arranged in the water pump shell, and the front end of the transmission shaft extends out of the volute connecting section;
the bearing is fixedly arranged in the transmission section and used for supporting the transmission shaft;
the impeller is connected with the front end of the transmission shaft;
the mechanical seal is sleeved on the transmission shaft and positioned inside the sealing section.
3. The water pump for an engine according to claim 2, wherein a sealing gasket is provided between a contact surface of the water pump volute and the volute connection section.
4. The water pump for an engine as claimed in claim 2, wherein the bearing is an elongated linear bearing.
5. The water pump for an engine as claimed in claim 2, wherein the wall of the transmission section is provided with an exhaust hole.
6. The water pump for an engine as claimed in claim 2, wherein the impeller is a shrouded impeller.
7. The water pump for an engine as claimed in claim 2, wherein a baffle structure is provided on a wall of the inner cavity of the seal section.
8. The water pump for an engine as claimed in claim 7, wherein the flow disturbing structure is a plurality of projections provided on a wall of the inner cavity of the seal section and projecting in a radial direction.
9. The water pump for an engine according to claim 2, wherein an overflow groove is provided on an outer wall of the water pump housing, the overflow groove communicating with the mechanical seal.
10. The water pump for an engine as claimed in claim 1, wherein a volute tongue is provided at the water pump outlet.
CN201911219044.2A 2019-12-03 2019-12-03 Water pump for engine Active CN110714831B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911219044.2A CN110714831B (en) 2019-12-03 2019-12-03 Water pump for engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911219044.2A CN110714831B (en) 2019-12-03 2019-12-03 Water pump for engine

Publications (2)

Publication Number Publication Date
CN110714831A true CN110714831A (en) 2020-01-21
CN110714831B CN110714831B (en) 2021-01-05

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Application Number Title Priority Date Filing Date
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6240219U (en) * 1985-08-30 1987-03-10
CN203532040U (en) * 2013-09-26 2014-04-09 广州汽车集团股份有限公司 Multifunctional modularized water pump of engine
CN105298586A (en) * 2015-09-23 2016-02-03 奇瑞汽车股份有限公司 Oil filter and oil cooler integration module for engine
DE102014215642A1 (en) * 2014-08-07 2016-02-11 Volkswagen Aktiengesellschaft pumping device
CN106089358A (en) * 2016-08-29 2016-11-09 潍柴动力股份有限公司 A kind of engine oil cooling filtering module and engine-cooling system
CN106368789A (en) * 2016-11-24 2017-02-01 奇瑞汽车股份有限公司 Diesel engine water pump

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6240219U (en) * 1985-08-30 1987-03-10
CN203532040U (en) * 2013-09-26 2014-04-09 广州汽车集团股份有限公司 Multifunctional modularized water pump of engine
DE102014215642A1 (en) * 2014-08-07 2016-02-11 Volkswagen Aktiengesellschaft pumping device
CN105298586A (en) * 2015-09-23 2016-02-03 奇瑞汽车股份有限公司 Oil filter and oil cooler integration module for engine
CN106089358A (en) * 2016-08-29 2016-11-09 潍柴动力股份有限公司 A kind of engine oil cooling filtering module and engine-cooling system
CN106368789A (en) * 2016-11-24 2017-02-01 奇瑞汽车股份有限公司 Diesel engine water pump

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