CN104196615B - Engine cooling system and filtering device thereof - Google Patents
Engine cooling system and filtering device thereof Download PDFInfo
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- CN104196615B CN104196615B CN201410404455.XA CN201410404455A CN104196615B CN 104196615 B CN104196615 B CN 104196615B CN 201410404455 A CN201410404455 A CN 201410404455A CN 104196615 B CN104196615 B CN 104196615B
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Abstract
The invention provides an engine cooling system and a filtering device thereof. The engine cooling system can automatically open and close a cooling liquid inlet according to a work state of an engine to prevent cooling water from flowing outwards in a process of replacing cooling water of a filter, avoids environmental pollution and waste and saves cost. The filtering device comprises a filter seat and a cooling liquid filter and further comprises a pressure valve, wherein the filter seat is provided with a cooling liquid inlet and a cooling liquid outlet, the cooling liquid filter is arranged on the filter seat, and the pressure valve can be opened under the push of the high-pressure cooling liquid to plug the cooling liquid inlet and the cooling liquid outlet after the pressure is released. When the engine works, water output by a water pump can generate pressure to push the pressure valve, and the pressure valve can be opened to open the cooling liquid inlet and the cooling liquid outlet.
Description
Technical field
The present invention relates to engine cool technical field, more particularly to a kind of filter of engine-cooling system.
The invention further relates to a kind of engine-cooling system with above-mentioned filter.
Background technology
Coolant clarifier is used to filter the impurity in engine coolant, while can be with engine-cooling system
Addition chemical composition, to improve the coolant performance of engine.Using needing to change coolant clarifier after a period of time, to protect
Demonstrate,prove it and use reliability.
Filter of the prior art does not generally install any device additional, when changing coolant clarifier, cooling liquid inlet
In opening, then coolant easily outflows, and pollutes and wastes.
Refer to Fig. 1 and the filter that Fig. 2, Fig. 1 are engine-cooling system in prior art is embodied as in one kind
Structural representation in mode;Fig. 2 is the filter of engine-cooling system in prior art in another kind of specific embodiment party
Structural representation in formula.
Filter of the prior art includes filter seat 1 ' and coolant clarifier 2 ', adds in filter seat 1 '
One valve 11 ', valve 11 ', when engine maintenance is maintained, is manually operated and closes on valve 11 ' equivalent to a switch
Close, then valve 11 ' blocks cooling liquid inlet, to prevent coolant from flowing outwardly when coolant clarifier 2 ' is changed, keep away
Exempt from waste and pollution that coolant outflow causes.
What is more important, when maintaining is carried out, it is necessary to manually operated valve 11 ', if operating personnel forget into
Row is manually operated, then valve 11 ' does not work, and cooling liquid inlet causes coolant to outflow still in opening.
And, when the replacing of coolant clarifier 2 ' is carried out, generally filter seat 1 ' is abandoned altogether, cause entirely more
Change relatively costly.
Therefore, a kind of filter of engine-cooling system how is designed, it is cold to be realized according to the situation of engine
But the automatic open close of liquid import, in order to avoid cause coolant to outflow when cooling water filter is changed, so as to cost-effective, it is to avoid dirty
Dye environment and waste, are the current technical issues that need to address of those skilled in the art.
The content of the invention
It is an object of the invention to provide a kind of engine-cooling system and its filter, can be according to the work of engine
State automatic open close cooling liquid inlet, it is ensured that cooling water does not outflow during changing cooling water filter, it is to avoid pollution environment
And waste, save cost.
To solve above-mentioned technical problem, the present invention provides a kind of filter of engine-cooling system, including with cold
But the filter seat of liquid import and cooling liquid outlet, and the coolant clarifier in the filter seat, also includes
Pressure valve, the pressure valve can be opened under the promotion of high-pressure coolant, and blocked the coolant after pressure is released and entered
Mouth and the cooling liquid outlet.
The present invention filter be provided with pressure valve, the pressure valve can be opened under the promotion of high-pressure coolant, then when
When engine works, the coolant of water pump output can produce the pressure for promoting pressure valve, so that pressure valve is opened, to open
Cooling liquid inlet and cooling liquid outlet so that the filter of the present invention is normally used;When needing to change coolant clarifier,
Engine stops operation, and now acts on the pressure Spontaneous release of pressure valve, then pressure valve is by cooling liquid inlet and coolant
Outlet closure, prevents cooling water from outflowing, it is to avoid pollution environment and waste.It can be seen that, the pressure valve of the present invention is made by engine
It is opened and closed the Stress control provided during industry, to adjust the keying shape of cooling liquid inlet and outlet in job state according to engine
State, without the need for artificial operation, automaticity is higher, it is to avoid artificial incorrect operation forgets to operate the various problems brought.
Preferably, the pressure valve includes the valve element for extending in front and back and the compression spring for being connected to the valve element rear, institute
State valve element and the cooling liquid inlet is blocked with its front end, its rear has the barrier portion of the closure cooling liquid outlet, middle part tool
There is sectional area less than the contracting section of the barrier portion.
The valve element of pressure valve can extend in front and back, and connect compression spring at rear, then when predetermined pressure is not reached, pressure
Valve element is resisted against cooling liquid inlet by contracting spring, and blocks cooling liquid outlet with the barrier portion at its rear, now can be completed cold
But the replacing of liquid filter;When engine normal operation, the water under high pressure of water pump output acts on cooling liquid inlet, and then backward
Valve element is promoted, compression spring is further compressed so that valve element departs from sealing contact with cooling liquid inlet, by cooling liquid inlet
Open;Meanwhile, the contracting section in the middle part of valve element moves to position corresponding with cooling liquid outlet, because the sectional area of contracting section is less than barrier
Portion, so when cooling liquid outlet also accordingly open.
Using said structure, the synchronous sealed of cooling liquid inlet and cooling liquid outlet is capable of achieving by a pressure valve,
Its simple structure, using more convenient, improves operating efficiency.
Preferably, the filter seat also includes the outlet flow connected with the cooling liquid outlet, and the valve element is passed through
Forward extend out after the outlet flow, so that the barrier portion blocks the outlet flow.
Outlet flow can also be set, on the one hand can be delivered to cooling liquid outlet to the cooling water after filtration and outwards be arranged
Go out, on the other hand can also be by barrier portion barrier in outlet flow, by blocking envelope of the outlet flow realization to cooling liquid outlet
Stifled, the reliability of its sealing is higher, and the structure of filter seat itself can also be utilized to realize cooling liquid inlet by a valve element
With the sealing of cooling liquid outlet, the structure of pressure valve is simplified.
Preferably, the barrier portion arranges cylindrical, and its external diameter is more than or equal to the bore of the outlet flow, to seal
Block up the outlet flow.
Preferably, the front end of the valve element have can be with the frustum of the cooling liquid inlet palette.
Preferably, the filter seat also has the inlet channel connected with the cooling water inlet, the side of the frustum
The enough opening palettes with the inlet channel of wall energy.
The front end of pressure valve can also be set to frustum, preferably to realize sealing with cooling liquid inlet;And, cone
Platform can be sealed with its side wall and inlet channel, further increase sealing reliability, it is to avoid cooling water by inlet channel to
Outer outflow.
Preferably, the installation cavity for extending in front and back is additionally provided with the filter seat, the compression spring is with its rear end and institute
State installation cavity to be connected, the valve element intercalation can be moved forward and backward in the installation cavity along the installation cavity.
On the one hand, installation cavity can improve certain guide effect to compression spring, it is ensured that the motion credibility of valve element;Separately
On the one hand, can play a part of to protect valve element by valve element intercalation in installation cavity.
Preferably, the pressure valve also includes valve seat, and the valve seat is screwed onto the rear end of the installation cavity;The compression
The two ends of spring are connected respectively with the valve seat and the barrier portion, and can stretch in the region that both limit;The valve
Seat and the barrier portion are respectively provided with the cavity for accommodating the compression spring.
Compression spring and valve element can be positioned by valve seat, to realize being reliably connected with filter seat.
The present invention also provides a kind of engine-cooling system, including the filter described in any of the above-described.
Because the engine-cooling system of the present invention includes the filter described in any of the above-described, therefore any of the above-described institute
The technique effect produced by filter stated is applied to the engine-cooling system of the present invention, and here is omitted.
Preferably, the filter seat is shaped on engine body, its simple structure, is easy to coolant clarifier
Be individually replaced, it is to avoid filter seat changes together the waste of generation, has saved cost.
Description of the drawings
Fig. 1 is a kind of structural representation of the filter of engine-cooling system in prior art in specific embodiment
Figure;
Fig. 2 is that structure of the filter of engine-cooling system in prior art in another kind of specific embodiment is shown
It is intended to;
Fig. 3 be the filter of engine-cooling system provided by the present invention in a kind of specific embodiment, pressure valve
In the cross-sectional view of closed state;
Fig. 4 is in the cross-sectional view of opening for the pressure valve of filter shown in Fig. 3.
In Fig. 1-2:
1 ' filter seat, 11 ' valves, 2 ' coolant clarifiers
In Fig. 3-4:
1 filter seat, 11 cooling liquid inlets, 12 cooling liquid outlets, 13 outlet flows, 14 inlet channels, 15 installation cavitys, 2
Coolant clarifier, 3 pressure valve, 31 valve elements, 311 barrier portions, 312 contracting sections, 313 frustums, 32 compression springs, 33 valve seats, 4 connect
Pipe, 5 seal washers
Specific embodiment
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Fig. 3 and the filter that Fig. 4, Fig. 3 are engine-cooling system provided by the present invention be refer in a kind of concrete reality
In applying mode, cross-sectional view of the pressure valve in closed state;Fig. 4 is in for the pressure valve of filter shown in Fig. 3
The cross-sectional view of opening.
In a kind of specific embodiment, the engine-cooling system of the present invention includes the filtration filtered to cooling water
Device, to filter to the impurity in coolant.
The filter of engine-cooling system provided by the present invention includes coolant clarifier 2 and filter seat 1, cold
But liquid filter 2 is arranged in filter seat 1, and is connected with engine body by filter seat 1.Wherein, filter seat 1 is wrapped
Cooling liquid inlet 11 and cooling liquid outlet 12 are included, the coolant of engine-cooling system flows into coolant via cooling liquid inlet 11
In filter 2, after coolant clarifier 2 is filtered, discharged by the cooling liquid outlet 12 in filter seat 1.This
Bright filter also includes pressure valve 3, and the pressure valve 3 can be opened under a predetermined, and be blocked after pressure is released cold
But liquid import 11 and cooling liquid outlet 12, to prevent coolant from outflowing, are convenient for the replacing of coolant clarifier 2.
When the replacing for completing coolant clarifier 2, when needs are filtered, the coolant exported by water pump acts on cooling
Liquid import 11, and then pressure valve 3 is promoted, when the pressure that pressure valve 3 is born reaches scheduled pressure value, pressure valve 3 is opened, and then
Release cooling liquid inlet 11 and cooling liquid outlet 12 so that both are in opening, then coolant flow through coolant successively and enter
Mouth 11, coolant clarifier 2 and cooling liquid outlet 12, flow outwardly, whole engine after coolant clarifier 2 is filtered
Cooling system normal operation.
In the present invention, the Opening pressure (i.e. described predetermined pressure) of pressure valve 3 is provided by high-pressure coolant, i.e., water pump is defeated
The coolant for going out produces larger surge, and the pressure acts on pressure valve 3, you can push it unlatching;When water pump stops
During work, coolant no longer acts on pressure valve 3, that is, act on the pressure of pressure valve 3 as engine and water pump stop operation
And be automatically releasable, pressure valve 3 now can block cooling liquid inlet 11 and cooling liquid outlet 12.
It will be understood by those skilled in the art that the control mode of pressure valve 3 is various, it is not limited to utilize cooling liquid inlet
The pressure that 11 coolant is produced is controlled, and pressure valve 3 can also be set to into the motor-operated control valves such as magnetic valve, then by it
It is connected with engine or water pump signal, to control its open/close states according to the handling situations of engine, to open and close coolant
Import 11 and cooling liquid outlet 12.
Pressure valve 3 is specifically as follows check valve, can be included in the valve element 31 of fore-and-aft direction extension and be connected to valve element 31
The compression spring 32 at rear, then under the elastic-restoring force effect of compression spring 32, promote valve element 31 with its front end closure cooling
Liquid import 11;The rear of valve element 31 also has the barrier portion 311 for blocking cooling liquid outlet 12, and middle part is less than with sectional area
The contracting section 312 of barrier portion 311.Under nature, compression spring 32 promotes valve element 31 to move forward, and the front end of valve element 31 is supported into laminating
In cooling liquid inlet 11, and barrier portion 311 is promoted to move to and the corresponding position of cooling liquid outlet 12, so as to the envelope of barrier portion 311
Stifled cold liquid outlet 12, as shown in Figure 3.When the coolant of water pump output acts on cooling liquid inlet 11, the pressure transmission is to valve
Core 31, and produce the predetermined pressure for promoting the motion of valve element 31, then move after valve element 31, further compression compression spring 32 so that valve
The front end of core 31 disengages with cooling liquid inlet 11, and then cooling liquid inlet 11 is discharged;Meanwhile, barrier portion 311 is relatively cool
But move after liquid outlet 12, the contracting section 312 at the middle part of valve element 31 is moved to and the corresponding position of cooling liquid outlet 12, barrier portion 311 with
Cooling liquid outlet 12 is disengaged, and because the sectional area of contracting section 312 is less than barrier portion 311, therefore can be released cooling liquid outlet 12
Put, as shown in Figure 4.
With the flow direction of coolant as reference before and after described, filter seat 1 is provided with the direction of cooling liquid inlet 11 for front,
Accordingly, after the direction for arranging cooling liquid outlet 12 is, valve element 31 refers to valve element 31 by cooling liquid inlet in fore-and-aft direction extension
11 extend towards the direction of cooling liquid outlet 12.
It can be seen that, the valve element 31 of pressure valve 3 can extend in fore-and-aft direction, then can be blocked simultaneously by a valve element 31
Or unlatching cooling liquid inlet 11 and cooling liquid outlet 12, its simple structure, it is more convenient to use, and need not arrange special control
Part processed, by the pressure produced at cooling liquid inlet 11 automatic open close of valve element 31 is can control.When being worked due to engine, meeting
Coolant is conveyed to cooling liquid inlet 11, therefore automatically turning on for valve element 31, when the engine is not operating, water pump can be realized
Stop conveying coolant to cooling liquid inlet 11, the pressure for now acting on valve element 31 disappears automatically, and valve element 31 is in compression spring
The 32 lower self-closed of screen resilience effect, without the need for artificial operation, that is to say, that valve element 31 can be according to the working condition of engine
Realize automatic open close.
Compared with hand-operated valve of the prior art, the pressure valve 3 of the present invention can be automatic according to the working condition of engine
Open and close, not there is a problem of forgetting controlled valve, certainly also would not because forget operation or maloperation cause cooling water to outflow,
Avoid wasting and environmental pollution.
In addition, a valve element 31 is while realize the keying of cooling liquid inlet 11 and cooling liquid outlet 12 so that whole pressure
The structure of valve 3 is more compact, is capable of the space of effectively utilizes filter seat 1;And pressure valve 3 is according to the knot of engine synchronization action
Configuration formula is easy to the care and maintenance of engine.
It is of course also possible to be respectively provided with a check valve in cooling liquid inlet 11 and cooling liquid outlet 12, i.e., pressure valve 3 can
With including two separate check valves, when engine works, the unlatching of each check valve of the stress structure produced by coolant
Pressure, so that cooling system normal work;When needing to change coolant clarifier 2, engine is closed, now each list
Corresponding cooling liquid inlet 11 and cooling liquid outlet 12 can be blocked to valve, it is to avoid coolant outflows.The tool of check valve
Body structure is referred to be configured above.Obviously, realize that coolant is entered without using a valve element when two check valves are set
The keying of mouth 11 and cooling liquid outlet 12, then can respectively realize both keyings, improve the independence of operation.
Further, filter seat 1 can include the outlet flow 13 connected with cooling liquid outlet 12, the outlet flow 13 with
The outlet of coolant clarifier 2, the then coolant after filtering is delivered to cooling liquid outlet 12 by outlet flow 13, and then
Discharge.Valve element 31 can be forward extended out through after outlet flow 13, and then block outlet flow 13 with barrier portion 311, with
Realize the closure to cooling liquid outlet 12.
The conveying arranged on the one hand for coolant of outlet flow 13 provides circulation passage, is easy to coolant from cooling
Liquid filter 2 is delivered to cooling liquid outlet 12;On the other hand, because the set location of outlet flow 13 is more flexible, substantially
Through the longitudinal direction of whole filter seat 1, now can be by valve element 31 directly through outlet flow 13, with by outlet flow 13
Keying realize to the closure of cooling liquid outlet 12 with open, its structure is more simple, arranges more flexible, is not substantially affected by
The restriction of the present position of cooling liquid outlet 12.
Further, barrier portion 311 could be arranged to it is cylindric, and its external diameter more than or equal to outlet flow 13 bore,
Then when barrier portion 311 is as in outlet flow 13, can be blocked, and ensure that sealing.
Outlet flow 13 is it can also be provided that circular pipe, then the column structure of barrier portion 311 can be with outlet flow 13
Cooperate, it is ensured that the sealing reliability of all directions;When the replacing of coolant clarifier 2 is carried out, it is to avoid coolant is from cold
But liquid outlet 12 and outlet flow 13 flow out.
Further, the front end of valve element 31 can arrange frustum 313, to realize palette with cooling liquid inlet 11,
The reliability that raising is tightly connected.
At the same time, can be to arrange inlet channel 14 in filter seat 1, the inlet channel 14 can be entered with coolant
Mouthfuls 11 connect, and frustum 313 side wall energy is enough and opening palette of inlet channel 14;When valve element 31 will with its frustum 313
When cooling liquid inlet 11 is blocked, side wall and the inlet channel 14 of frustum 313 form in sealing contact, effectively prevent cooling water from passing through cold
But liquid import 11 and inlet channel 14 are flowed outwardly, to carry out the replacing of coolant clarifier 2.
Specifically, frustum 311 can be the cumulative cone column structure of external diameter from front to back;It is of course also possible to by valve element 31
Front end be set to cylindric, the part for only contacting with cooling liquid inlet 11 at it arranges chamfering, to form the connection of cone column
Portion, equally can ensure that the reliability of sealing;Or, the front end of valve element 31 can be set to baffle-like structure, or it is some
The catch that fore-and-aft direction is arranged successively, is only arranged in sealing contact with cooling liquid inlet 11 by the baffle plate or catch of forefront
Pyramidal structure, to simplify its structure, as shown in Figure 3 and Figure 4.
On the basis of the above, installation cavity 15 can also be set in filter seat 1, and installation cavity 15 extends in fore-and-aft direction, so
Afterwards by the intercalation of valve element 31 in installation cavity 15, and can be movable along installation cavity 15;Can by the rear end of compression spring 32 with
Installation cavity 15 is fixedly connected, then compression spring 32 can promote valve element 31 to move forward, so as to valve element 31 it is cold with the closure of its front end
But liquid import 11;When water pump conveys coolant to cooling liquid inlet 11, valve element 31 is rear under the promotion of coolant to be moved, further
Compression compression spring 32, to open cooling liquid inlet 11.
Pressure valve 3 can also include valve seat 33, and the spiral of valve seat 33 is connected to the rear end of installation cavity 15;Compression spring 32
Two ends can be fixedly connected respectively with valve seat 33 and barrier portion 311, then compression spring 32 can be limited in valve seat 33 and barrier portion 311
Stretch in fixed region, that is to say, that valve seat 33 and barrier portion 311 have certain gap in fore-and-aft direction, in order to compress
The dilatation of spring 32;Valve seat 33 and barrier portion 311 are respectively provided with the cavity for accommodating compression spring 32, to enter to compression spring 32
Row constraint so that compression spring 32 is stretched in the longitudinal direction, and then promote valve element 31 to move forward and backward.
Additionally, the filter of the present invention can also include adapter 4, one end and the spiral of coolant clarifier 2 of the adapter 4
Connection, the other end is connected with the spiral of filter seat 1, and the two ends of adapter 4 respectively with the outlet flow 13 of filter seat 1 and cool down
The outlet of liquid filter 2.On the one hand, adapter 4 can realize being reliably connected for filter seat 1 and coolant clarifier 2, separately
On the one hand, the cooling water after can be filtered coolant clarifier 2 is delivered to outlet flow 13, and coolant can be led
Stream.
Generally, between the outlet of coolant clarifier 2 is disposed therein, 4 can be will take over and is arranged on coolant clarifier 2
Centre, and outlet flow 13, so that coolant is conveyed along straight line, is reduced into resistance along the Longitudinal extending of filter seat 1;It is aobvious
So, outlet flow 13 can also be arranged on the centre position of filter seat 1.
Further to improve sealing reliability, can be arranging sealing gasket between filter seat 1 and coolant clarifier 2
Circle 5, as shown in Figure 3 and Figure 4, seal washer 5 could be arranged to rectangular configuration, to improve sealing.
Additionally, in the engine-cooling system of the present invention, filter seat 1 can also be shaped in into engine body
On, when engine maintenance and maintenance is carried out, to be individually replaced to coolant clarifier 2, process is not only simplify, also
Can be with cost-effective, it is to avoid filter seat 1 is abandoned together with coolant clarifier 2.
Or, the other parts such as filter seat 1 and oil filter body, oil cooler housing can be designed as one
Body, its integrated level is higher, needs to change coolant clarifier 2 during care and maintenance, reduces cost.
As shown in figure 4, when the engine operates, the coolant overwhelming majority that water pump is pumped out is flowed in engine body, one
Fraction backward pushes pressure valve 3 open by the pressure that water pump is produced, and coolant is entered in filter seat 1 from cooling liquid inlet 11,
Entered in coolant clarifier 2 by the opening on cooling filter 2 afterwards, going out along coolant clarifier 2 after the completion of filtration
Mouth flow to cooling liquid outlet 12 through adapter 4, outlet flow 13, and afterwards externally pipeline flows back to water pump;At the same time, enter and send out
The coolant of motivation completes also to flow back to water pump after cooling, then the coolant into engine and the coolant into filter exist
Converge at the refluxing opening of water pump, finally flow back to water pump.
That is, the engine-cooling system of the present invention, filter is cooled in parallel two set system with engine
System, essentially without the cooling on engine impact is produced.
It should be noted that engine-cooling system is complex, as space is limited, only its filter is carried out herein
Illustrate, other parts refer to prior art, here is omitted.
Engine-cooling system provided by the present invention and its filter are described in detail above.Herein should
The principle and embodiment of the present invention are set forth with specific case, the explanation of above example is only intended to help and manages
The core concept of the solution present invention.It should be pointed out that for those skilled in the art, without departing from of the invention former
On the premise of reason, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into right of the present invention and wants
In the protection domain asked.
Claims (10)
1. a kind of filter of engine-cooling system, including the mistake with cooling liquid inlet (11) and cooling liquid outlet (12)
Filter seat (1), and the coolant clarifier (2) in the filter seat (1), it is characterised in that also including pressure
Valve (3), the pressure valve (3) can open under the promotion of high-pressure coolant, and block the coolant after pressure is released
Import (11) and the cooling liquid outlet (12), to prevent coolant from outflowing, are convenient for the coolant clarifier (2) more
Change.
2. filter as claimed in claim 1, it is characterised in that the valve element that the pressure valve (3) extends before and after including
(31) and the compression spring (32) at the valve element (31) rear is connected to, the valve element (31) blocks the coolant with its front end
Import (11), its rear has the barrier portion (311) of the closure cooling liquid outlet (12), and middle part has sectional area less than described
The contracting section (312) of barrier portion (311).
3. filter as claimed in claim 2, it is characterised in that the filter seat (1) also includes and the coolant
The outlet flow (13) of outlet (12) connection, the valve element (31) forward extends out through after the outlet flow (13), with toilet
State barrier portion (311) and block the outlet flow (13).
4. filter as claimed in claim 3, it is characterised in that the barrier portion (311) arranges cylindrical, and outside it
Footpath is more than or equal to the bore of the outlet flow (13), to block the outlet flow (13).
5. filter as claimed in claim 2, it is characterised in that the front end of the valve element (31) has can be cold with described
But the frustum (313) of liquid import (11) palette.
6. filter as claimed in claim 5, it is characterised in that the filter seat (1) also has and the cooling water
The inlet channel (14) of import (11) connection, the side wall energy of the frustum (313) is enough close with the opening of the inlet channel (14)
Sealing label is closed.
7. filter as claimed in claim 2, it is characterised in that be additionally provided with what is extended in front and back on the filter seat (1)
Installation cavity (15), the compression spring (32) is connected with its rear end with the installation cavity (15), and valve element (31) intercalation is in institute
State in installation cavity (15), and can be movable along the installation cavity (15).
8. filter as claimed in claim 7, it is characterised in that the pressure valve (3) also includes valve seat (33), the valve
Seat (33) is screwed onto the rear end of the installation cavity (15);The two ends of the compression spring (32) respectively with the valve seat (33) and institute
State barrier portion (311) to be connected, and can stretch in the region that both limit;The valve seat (33) and the barrier portion (311)
It is respectively provided with the cavity for accommodating the compression spring (32).
9. a kind of engine-cooling system, it is characterised in that including the filter described in any one of the claims 1-8.
10. engine-cooling system as claimed in claim 9, it is characterised in that the filter seat (1) is shaped in be sent out
On motivation body.
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CN201410404455.XA CN104196615B (en) | 2014-08-15 | 2014-08-15 | Engine cooling system and filtering device thereof |
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CN201410404455.XA CN104196615B (en) | 2014-08-15 | 2014-08-15 | Engine cooling system and filtering device thereof |
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CN104196615B true CN104196615B (en) | 2017-05-10 |
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Families Citing this family (5)
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CN106401730A (en) * | 2016-11-08 | 2017-02-15 | 上海弗列加滤清器有限公司 | Modularized cooling liquid filter structure |
CN106837514B (en) * | 2017-02-28 | 2019-05-28 | 安徽江淮汽车集团股份有限公司 | A kind of constant device of automobile-used cooling and cooling system |
CN108200747B (en) * | 2018-02-01 | 2020-04-24 | 联想(北京)有限公司 | Heat sink and electronic device including the same |
CN113510176B (en) * | 2020-04-10 | 2024-01-19 | 初冠南 | Pressurizing upsetting forming device |
CN114588715B (en) * | 2022-03-11 | 2022-11-25 | 江苏同征新能源汽车零部件有限公司 | Medium filter convenient for replacing filter element for electric automobile heat management system |
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CN201865747U (en) * | 2010-11-26 | 2011-06-15 | 集瑞联合重工有限公司 | Pressure cover for expansion water box of heavy truck |
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CN2670611Y (en) * | 2003-12-31 | 2005-01-12 | 潍柴动力股份有限公司 | Water filter for diesel engine of vehicle |
JP2010275902A (en) * | 2009-05-27 | 2010-12-09 | Toyota Motor Corp | Cap for reserve tank |
CN103899408A (en) * | 2014-04-17 | 2014-07-02 | 中国北车集团大连机车车辆有限公司 | Diesel engine cooling water system applicable to plateau and locomotive applicable to plateau |
CN204200348U (en) * | 2014-08-15 | 2015-03-11 | 潍柴动力股份有限公司 | A kind of engine-cooling system and filtrating equipment thereof |
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CN201865747U (en) * | 2010-11-26 | 2011-06-15 | 集瑞联合重工有限公司 | Pressure cover for expansion water box of heavy truck |
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