CN1224777C - Engine with cooling water cap - Google Patents
Engine with cooling water cap Download PDFInfo
- Publication number
- CN1224777C CN1224777C CNB021199140A CN02119914A CN1224777C CN 1224777 C CN1224777 C CN 1224777C CN B021199140 A CNB021199140 A CN B021199140A CN 02119914 A CN02119914 A CN 02119914A CN 1224777 C CN1224777 C CN 1224777C
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- Prior art keywords
- cooling water
- outlet
- cap
- water intake
- cover
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- Expired - Fee Related
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Classifications
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- 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
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
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- 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
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
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- 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
- F01P2060/00—Cooling circuits using auxiliaries
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- 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
- F01P2060/00—Cooling circuits using auxiliaries
- F01P2060/08—Cabin heater
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
A cooling water inlet/outlet cover affixed to a side surface of a cylinder head 2 of an engine E includes a first cover portion C1 and a second cover portion C2. The first cover portion C1 defines an inflow path 20 for introducing cooling water from a radiator 25 to an inlet 42 communicating with a thermostat-type path opening/closing mechanism 15. The second cover portion C2 defines an outflow path 21 for guiding cooling water from the outlet 49 to a radiator 25 and an outflow path 22 partitioned from the outflow path 21 by the partition wall 68 to guide cooling water from the outlet 52 to a heater core 29 and a throttle body 7. The cooling water inlet/outlet cover C further includes a reservoir portion 71 for holding an extruded part of a liquid packing 54 to be coated around the outlets 49, 52 to prevent the extruded part of the liquid packing 54 from spoiling an elastic material packing 46. This configuration contributes to facilitating connection of hoses to the cooling water inlet and outlets formed in the engine body, thereby facilitating assembly of the engine, and further reducing the number of parts.
Description
Technical field
The present invention relates to have the motor of preparing to be installed in the cooling water intake/outlet cover on the engine body, motor comprises that one is used for cooling water is introduced in cooling water intake that engine body forms being communicated with the flow channel of thermostat from radiator, and outlet that cooling water is formed from engine body causes the flow pass of radiator.
Background technique
A kind of as in the motor with such cooling water intake/outlet cover, the Japanese Patent Application Publication text discloses a kind of motor with thermostat lid for 2000-282861 number.In this motor, be fixed on the thermostatic type passage that thermostat lid on side of cylinder head covers the coolant outlet that forms in the cylinder head and be contained in the accommodating chamber that is limited by cylinder head and open/locking mechanism, so that make cooling water can flow back to radiator.This thermostat lid limits a cooling water intake, and this cooling water intake is connected in the radiator hose of guiding from the cooling water of radiator, also limits a coolant outlet, and this coolant outlet is connected in the radiator hose that cooling water is drawn back radiator.In addition, a cooling water flexible pipe is connected in another side of cylinder head, so as from the water jacket of cylinder head to air conditioning heater core cooling water supply.
In the prior art, the thermostat lid integrally limits coolant outlet and cooling water intake, thereby can reduce part and number of assembling steps certainly.But, because the cooling tube that is connected in heater core is connected in and installs the different cylinder head side, side of thermostat lid, thereby cause coolant outlet to be positioned on the position that cylinder head separates, and it is not high to cause flexible pipe to connect working efficiency.Therefore, from the viewpoint of motor assembling, there is room for improvement in prior art.In addition, the position that separates of outlet also hinders the number that reduces part and number of assembling steps satisfactorily.
Summary of the invention
Therefore, main purpose of the present invention is to make that flexible pipe or other channel component are connected in the work of the cooling water intake that forms in the engine body and a plurality of outlets is more simple, thereby is convenient to the assembling of motor and further reduces part.
Viewpoint from the assembling of being convenient to motor, another object of the present invention is except the elastic material seal arrangement, prevents that liquid sealing device from damaging the elastic material seal arrangement when also using liquid sealing device as the Sealing between engine body and the thermostat lid.
In order to realize above-mentioned main purpose, the invention provides a kind of motor, it has a cooling water intake/outlet cover on the side surface that is provided with and is fixed on engine body, so that cover the cooling water intake and the outlet that form in the engine body, described cooling water intake/outlet cover comprises first cap and second cap, wherein said first cap covers described import and limits one and open with a thermostat formula passage/and flow channel that locking mechanism is communicated with is so that from a heat sink directs cooling water, described second cap covers described outlet, it is characterized in that: described outlet comprises one first outlet and one second outlet, and described second cap is formed with one cooling water exported first flow pass cause described radiator and one by a next door and described first flow pass separates and cooling water is exported second flow pass that causes a heat exchanger from described second from described first.
This structure of the present invention provides following effect.Promptly, because the attachment portion that import and outlet are connected in the flexible pipe of radiator and heat exchanger or other channel component is to form in the cooling water intake/outlet cover of member as a whole, and they form on a side of engine body partly, thereby be easy to connect each channel component that is used for guide cooling water, reduced the difficulty of this work and the difficulty of assembling motor.In addition, structure of the present invention need not to prepare to be used for the special member such as the joint of heat exchanger cooling water supply, so just can reduce the number and the installation step relevant with contact of part.This also is an advantage being convenient to the motor assembling.
Second flow pass can comprise an attachment portion, so that cooling water is caused tb from second outlet.
Along the engine body installation surface relative with cooling water intake/outlet cover, the interface between one of engine body and first and second caps can be by a liquid sealing device sealing.In addition, in cooling water intake/outlet cover installation surface part between the overlay area of the mounting zone of elastic material seal arrangement or an attachment face opposed area relative with this mounting zone and a liquid sealing device or coverage rate opposed area relative with this overlay area at least one can comprise that stops a part, and this preventions partly stops an extruding part of liquid sealing device to stretch into the mounting zone from the overlay area.
In this case, can obtain following effect, promptly, for the interface that is fixed on cooling water intake/outlet cover on the engine body between time sealing cooling water intake/outlet cover and the engine body, when also using liquid sealing device more favourable aspect operation and cost except the elastic material seal arrangement, a part that has stoped liquid sealing device to extrude and shift to the elastic material seal arrangement from the area of coverage reaches the elastic material seal arrangement.Therefore, can avoid making the elastic material seal arrangement to be subjected to the damage of the extruding part of liquid sealing device, prevent that sealability from descending.Described prevention part can be that a recess is as a groove.
First cap can be connected by a link with second cap.
The contrast accompanying drawing describes in further detail the present invention below.
Description of drawings
Fig. 1 is the schematic isometric as the motor of one embodiment of the invention;
Fig. 2 is the schematic representation of the cooling system of expression motor shown in Figure 1;
Fig. 3 is the left side view of the cylinder head of motor shown in Figure 1;
Fig. 4 is the substantial section of cylinder head left part in the motor shown in Figure 1 and the horizontal cross of cooling water intake/outlet cover mounted thereto;
Fig. 5 is the sectional view along V-V line among Fig. 4.
Embodiment
Contrast Fig. 1 to Fig. 5 describes embodiments of the invention below.
Consult Fig. 1 now, using motor E of the present invention is the cylinder top cam axle type water-cooled four valve four stroke engine of preparing to be installed on the Motor Vehicle.Motor E comprises a cylinder block 1 that has in line four cylinders 5.A cylinder head cover 3 and an oil sump 4 that is connected in cylinder block 1 bottom that is connected in cylinder head 2 tops.Cylinder block 1, cylinder head 2, cylinder head cover 3 and oil sump 4 constitute the engine body of motor E.
In the following description, under the described direction, forward and backward, left and right is direction at Motor Vehicle.
On the front surface of cylinder head 2, fixing intake manifold 6.Intake manifold 6 comprises a collecting pipe 6a who is positioned at directly over the cylinder head cover 3, at the collecting pipe left end tb 7 is arranged, and also comprises four arm 6b from collecting pipe 6 branches, and these arms are connected in the front surface of cylinder head 2.Each arm 6b is connected in each cylinder 5 by the inlet hole that forms in cylinder head 2.A unillustrated gas exhaust manifold is fixed on the rear surface of cylinder head 2.
Now mainly consult the cooling system that Fig. 2 describes motor E.Cylinder block 1 with cooling jacket 11 comprises a cooling waterpump 13, and this cooling waterpump is formed with a pump housing 13a (see figure 1) in the anterior integral body of its right-hand member.The cylinder head 2 that is formed with cooling jacket 12 is held a thermostat 15 in the receiving cavity 14 that left end portion forms, described left end portion is an end at cylinder 5 aligning directions (in this example corresponding to left and right directions).Two cooling jackets 11,12 are communicated with by many communication passage that form in cylinder head 2 16.
On left side, fixing cooling water intake/outlet cover C with a flow channel 20 and two flow pass 21,22 as a side surface of cylinder head 2.The receiving cavity 14 that holds thermostat 15 is communicated with radiator 25 by flow channel 20 and radiator hose 23.Article one, the passage 26 that forms in cylinder head 2 also is communicated with radiator 25 by flow pass 21 and radiator hose 24.Cooling jacket 12 is communicated with air conditioning heater core 29 as heat exchanger by flow pass 22 and flexible pipe 27, and passes through flow pass 22 and flexible pipe 30 and be communicated with a cooling water passage as the formation in tb 7 of heat exchanger.Hereinafter will talk about, an import 32 that forms in cylinder head 2 and an opening 33 that forms in a pipe 38 are communicated with the cooling water passage of air conditioning heater core 29 and tb 7 by flexible pipe 28 and flexible pipe 31 respectively. Flexible pipe 23,24,27,28,30 to 31 is cooling water passage members.
From the flow pass 34 of cooling water by forming the cylinder block that cooling waterpump 13 is emitted, the import 35 that forms from cylinder head 2 flows into cooling jacket 12.A kind of known thermostat formula passage opens/and locking mechanism 15 is used in the connection of closing under the engine cold state between radiator hose 23 and the receiving cavity 14.Under this cold state of motor E, as shown in phantom in Figure 2, almost do not have cooling water to pass through communication passage 16 and flow into cooling jacket 11, but the cooling water in the cooling jacket 12 flows into receiving cavity 14 by the bypass 36 that forms in the cylinder head 2.Simultaneously, a part of cooling water is delivered to heater core 29 by flexible pipe 27, with air heat exchange with the heater car chamber, return receiving cavity 141 by flexible pipe 28 and import 32 thereafter.Another part cooling water in the cooling jacket 12 delivers to tb 7 by flexible pipe 30 so that the tb 7 under the heating low temperature flows into a pipe 38 by flexible pipe 31 then.Pump 13 was taken out the pipe 38 that is connected in the outlet 37 that forms in cylinder head 2 because the cooling water in the receiving cavity 14 is cooled, and above-mentioned outlet passes to receiving cavity 14, thereby cooling water circulates in cooling jacket 12 and do not flow into or flow through radiator 25 in the cold state.
In the hot state of motor E, the thermostat formula by open/locking mechanism 15 plays the effect that is communicated with and seals bypass 36 simultaneously that makes between radiator hose 23 and the receiving cavity 14.Therefore, the cooling water in the cooling jacket 12 does not flow into receiving cavity 14 by bypass 36.But shown in solid line among Fig. 2, cooling water flows into cooling jacket 11 with cooling air cylinder body 1 by communication passage 16, then, by the passage 39 that in cylinder block 1, forms, the passage 26 and radiator hose 24 inflow radiators 25 of cylinder head 2, cool off by heat radiation there, and flow into receiving cavity 14 by radiator hose 23, flow channel 20 and thermostat 15.In this process, similar with cold state, the cooling water in the cooling jacket 12 is delivered to heater core 29 by flexible pipe 27, and the cooling water after the heat exchange returns receiving cavity 14 by flexible pipe 28.The cooling water of delivering to tb 7 is overheated to prevent tb by a control valve (not shown) control flow rate.Cooling water in receiving cavity 14 be cooled water pump 13 took out the outlet 37 and the pipe 38, in hot state, the cooling water that flows through radiator 25 circulates in two cooling jackets 11,12.
Consult right end portion and cooling water intake/outlet cover C that Fig. 1 and Fig. 3 to 5 further describe cylinder head 2 below.Consult Fig. 3 and 4 now, an installation surface 40 that is used for fixing cooling water intake/outlet cover C is formed on the left end surface of cylinder head 2.The receiving cavity 14 of the cavity form that forms in cylinder head 2 left parts is arranged on a ratio and more is close on the lower position of inlet end (preceding) along the cylindrical shape projection 41 that extending axially of camshaft limits an opening 41a (Fig. 3), and limits a roughly rounded import 41 that passes to installation surface 40.Form one along the circumferential section of import 42 and be used to admit thermostat formula passage to open/step part 43 of the 15a of annular seating portion of locking mechanism 15, so that tightly thermostat formula passage is left/15a of seat portion of locking mechanism 15 remains between step part 43 and the cooling water intake/outlet cover C.Therefore, make thermostat formula passage open/locking mechanism 15 with position that import 42 is aimed on be fixed on the cylinder head 2.
Form a ring-shaped step part 44 more shallow along the outer peripheral portion of step part 43, thereby the annular elastic material seal arrangement 46 of the O shape circle of synthetic rubber or synthetic resin or other form is installed between the periphery of step part 44 and the 15a of seat portion in circular groove 45 of formation than step part 43.This circular groove 45 provides a mounting zone 47 on installation surface 40 for elastic material seal arrangement 46.
By a next door 48, be provided with to such an extent that have an outlet 49 that passes to installation surface 40 than the passage 26 of receiving cavity 14 more close exhaust sides (rear side).Next door 48 forms a bolt hole H2, is used to admit four double-screw bolt B (see figure 1)s so that cooling water intake/outlet cover C is fixed on one of threaded stud hole H1 to H4 on the cylinder head 2 as four, and is uncovered on the lower position of separation surfaces 40a.Reference character 50 representatives are used for discharging the intercommunicating pore of the air of staying cooling jacket 12.
In installation surface 40, an outlet 52 of cooling jacket 12 more closely passes to exhaust side than outlet 49.Outlet 52 and export 49 and be located at cooling jacket 12 and export between 49 the relative both sides of the separation surfaces 40b in a next door 51 of extending.Also be formed with a mounting hole 53 that is used to install a cooling-water temperature sensor, described cooling-water temperature sensor is used to detect the temperature of the cooling water that exports 52 places, and mounting hole 53 passes to outlet 52 from the rear surface of cylinder head 2.
The circumferential coverage 55 of the eliminating separation surfaces 40b that centers on outlet 49,52 of a non-circle also is set in installation surface 40, cover liquid sealing device 54 (representing with hacures among Fig. 3) thereon, this liquid sealing device for example is the silicone compositions of FIPG sealing material.Therefore, separation surfaces 40a is a part between mounting zone 47 and overlay area 55 of installation surface 40.
On the other hand, consult Fig. 1,4 and 5 now, be fixed on cooling water intake/outlet cover C on the installation surface 40 and make the integrated member of aluminum alloy by casting process, it comprises the first cap C1 and the second cap C2, first cap constitutes a receiving cavity 61, this receiving cavity is used to hold thermostat formula passage to be opened/and the part of locking mechanism 15 and cover thermostat formula passage and open/locking mechanism 15 and import 42, the second caps cover two outlets 49,52.Cooling water intake/outlet cover C also is formed with four jack H5 to H8, is used to admit four double-screw bolt B, so that cooling water intake/outlet cover C is fixed on the cylinder head 2.
The first cap C1 is formed with an attachment portion that is used to connect radiator hose 23 62, one and is communicated with radiator hose 23 so that introduce and guide cooling water that radiator 25 cooled off to receiving cavity 61, again to flow channel 20 and a mounting hole 64 that is used to admit a thermal switch 63 (Fig. 1) of import 42, described thermal switch detects the temperature from the cooling water of radiator 25, so that control the motion of radiator according to the temperature of cooling water.
The second cap C2 be formed with one near the first cap C1 with the attachment portion 65 that connects radiator hose 24 (see figure 2)s, an attachment portion 67 that is connected flexible pipe 30 (see figure 2)s than attachment portion 65 more close exhaust sides with the attachment portion 66 that connects flexible pipe 27 (see figure 2)s with.In addition, the second cap C2 is formed with a flow pass 21, this flow pass have one roughly with the outlet the 52 inlet 21a that aim at and aim at radiator hose 24 (see figure 2)s, cause radiator 25 so that will flow out the cooling water of outlet 49, second cap also is formed with a flow pass 22, this flow pass have one basic aims at outlet 52 and with the inlet 22a of two flexible pipes, 27,30 connections export 52 cooling water and cause heater Job's tears 29 and tb 7 so that will flow out.Flow pass 21 and flow pass 22 are separated by next door 68.
Cooling water intake/outlet cover C has an installation surface 60 that cooperates with the installation surface 40 of cylinder head 2.Installation surface 60 comprises that this zone of an attachment face opposed area 69 (Fig. 5) is a zone with respect to groove 45, that is, mounting zone 47 comprises a contact surface that contacts with elastic material seal arrangement 46.Attachment face opposed area 69 be one when cooling water intake/outlet cover C usually is connected in cylinder head 2 along the circumferential section of the round exit 61 of the receiving cavity 61 that passes to attachment face 60, aims at import 42, a zone of matching with mounting zone 47.Installation surface 60 also has a coverage rate apparent surface 70, and this surface is a zone with respect to overlay area 55.This coverage rate apparent surface 70 is provided with around passing to the inlet 21a, the 22a that remove separation surfaces 60b installation surface 60 in addition, and above-mentioned separation surfaces 60b is the part of the installation surface 60 in next door 68.
In the position between attachment face opposed area 69 and coverage rate opposed area 70, a storage compartment 71 of the liquid sealing device 54 of groove shape or other recess type forms in separation surfaces 60a, and described separation surfaces 60a is installation surface 60 part relative with separation surfaces 40a.Storage compartment 71 from jack H6 that bolt hole H2 on the lower position of separation surfaces 60a aims at directly over extend near the top of separation surfaces 60a.Storage compartment 71 is retained when cooling water intake/outlet cover C installation and 55 overflows and shift to a part of liquid sealing device 54 of elastic material seal arrangement 46 from the overlay area when being fastened on the installation surface 40 of cylinder head 2, thereby prevent that seal arrangement 54 portions of extruding from entering mounting zone 47, thereby prevent make dirty elastic material seal arrangement 46 or enter groove 45 of seal arrangement 54.The flute profile of storage compartment 71 can be considered the extrusion capacity of liquid sealing device 54 and suitably determine.In the present embodiment, the fastening force of considering bolt B is pressed in peripheral part of jack H6 on the installation surface 40 of cylinder head 2, and compressing power is enough to prevent the motion of liquid sealing device 54, and storage compartment 71 forms in the zone of removing jack H2 peripheral part.
As shown in Figure 1, cooling water intake/outlet cover C has a link 72 that connects the first cap C1 and the second cap C2.Link 72 is reinforced the first and second cap C1 that form the cylindrical shape projection, C2.Simultaneously, when casting cooling water intake/outlet cover C, link 72 is used to make hold and melts metal and flow into smoothly and be used for the mould of the molded first cap C1 and the second cap C2.
Operation and the effect of embodiment with said structure are described below.
Comprising the first and second cap C1, C2 is as a whole on the part of the first cap C1 of the cooling water intake of member/outlet cover C, radiator hose 23 is connected in attachment portion 62, constitute flow channel 20, be provided with thermostat formula passage and open/import 42 of locking mechanism 15 so that cooling water caused from radiator 25.On the part of the second cap C2, radiator hose 24 is connected in attachment portion 65, constitute flow pass 21, so that cooling water put to radiator 25 from exporting 49, adjacent to and together with the flexible pipe 27,30 that links to each other with attachment portion 66,67 cooling water is caused heater core 29 and tb 7 from exporting 52 by the flow pass 22 that next door 68 and flow pass 21 separate.Therefore, be connected in flexible pipe 23,24,27,30 so that be connected in the attachment portion the 62,65,66, the 67th of radiator 25, heater core 29 and tb 7 with import 42 and two outlet 21,22, forms in the cooling water intake/outlet cover C as a solid memder.Simultaneously, attachment portion 62,65,66,67 are connected on the left side of cylinder head 2.Therefore, being connected with of flexible pipe 23,24,27,30 of circulating for cooling water is beneficial to improvement efficient, thereby improved the assembling work of motor E.In addition, different with conventional art is, present embodiment need not to be prepared as delivers to additional member such as the joint that heater core 29 and tb 7 need in the past always with cooling water.Therefore, present embodiment can reduce part, thereby relevant installation step such as minimizing and joint, and can thereby improve the efficiency of assembling of motor E.
For the sealing between cooling water intake/outlet cover C and the cylinder head 2, present embodiment has also adopted easy operating, liquid sealing device 54 that cost is low except elastic material seal arrangement 46.But, when cooling water intake/outlet cover C is installed on the cylinder head 2, liquid sealing device 54 extruded and shifted to elastic material seal arrangement 46 from overlay area 55 a part is maintained at the storage compartment 71, and this storage compartment is to form in one of the installation surface 60 of the cooling water intake/outlet cover C part between attachment face opposed area 49 relative with the mounting zone 47 of elastic material seal arrangement 46 and the coverage rate opposed area 70 relative with the overlay area of liquid sealing device 54.Therefore, present embodiment can prevent the extruding part of the liquid sealing device 54 elastic material seal arrangement 46 of making dirty, prevents to make the sealing effect of elastic material seal arrangement 46 become bad owing to the stain that liquid sealing device 54 forms.
In addition, because two flow pass 21,22 all is the passage from the cooling water of cylinder head 2 outflows, thereby liquid sealing device 54 surrounds two flow pass 21 beyond covering together, on 22 the overlay area 55, got rid of the separation surfaces 40b that cooling water can be spilt slightly along installation surface 40,60 between passage.Therefore, overlay area 55 is narrower, and it is shorter to cover needed time, has improved the productivity of motor E.If the leakage of cooling water between passage 21,22 exceeded the value that allows, separation surfaces 40b also will need sealing.But, in this case,, liquid sealing device 54 is covered on the separation surfaces 40b owing to used liquid sealing device 54.Therefore, for cooling water in the limit leakage between passage 21 and 22 in the value that allows, be easy to change design and unlikely remarkable increase cost.
Because present embodiment can seal the connection between import 42 and the flow channel 20 respectively and export 49 by using elastic material seal arrangement 46 and liquid sealing device 54,52 and flow pass 21, connection between 22, thereby comparable of present embodiment uses the situation of elastic material seal arrangement 46 to reduce cost, the cost of elasticity of demand material seal device 46 and be to guarantee accurately cost of processing of excellent sealing in the situation of only using the elastic material seal arrangement.
Because being provided with thermostat formula passage opens/locking mechanism 15, thereby elastic material seal arrangement 46 can be the annular seal that surrounds circular import 42 and outlet 61a.Therefore, its cost is lower than and 49,52 is being provided with the non-circular annular elastic material seal arrangement that uses in the type of elastic material seal arrangement around outlet, and the cost of motor E also is minimized.
Improvement in the part of previous embodiment is described below.
Can only constitute from the heat exchange mechanism of flow pass 21,22 cooling water supplies by heater core 29 or tb 7.
In mounting zone and the overlay area at least one can form on the installation surface 60 of cooling water intake/outlet cover C, and at least one in attachment face opposed area and the coverage rate opposed area can form on the installation surface 40 of cylinder head 2.Connection between the first cap C1 and the cylinder head 2 also can seal with liquid sealing device, and the connection between the second cap C2 and the cylinder head 2 also can seal with the elastic material seal arrangement.
Storage compartment can form in the separation surfaces 40a as the installation surface 40 of cylinder head 2, rather than in the separation surfaces 60a of the installation surface 60 of cooling water intake/outlet cover C, form, perhaps, also can form among both in the installation surface 40,60 of the separation surfaces 40a of the separation surfaces 60a of cooling water intake/outlet cover C and cylinder head 2.In order to improve the purpose of surface pressure, an edge can be set on separation surfaces 60a, rise from installation surface 60 slightly, perhaps an edge can be set on separation surfaces 40a, rise from installation surface 40 slightly, rather than with groove preserve liquid sealing device extrude portion in case blocking-up liquid sealing device 54 towards the mounting zone 47 move.
Though previous embodiment be thermostat formula passage is left/locking mechanism 15 is provided with to such an extent that pass import 42, be placed on the receiving cavity 61 of the receiving cavity 14 of cylinder head 2 and cooling water intake/outlet cover C, but, whole thermostat only can be contained in the receiving cavity that is limited by cylinder head 2, only perhaps is contained in the receiving cavity that is limited by cooling water intake/outlet cover.Cooling water intake/outlet cover can be arranged in the cylinder block.
Claims (6)
1. motor, it has a cooling water intake/outlet cover (C) on the side surface that is provided with and is fixed on engine body (2), so that cover the cooling water intake and the outlet that form in the engine body, described cooling water intake/outlet cover (C) comprises first cap (C1) and second cap (C2), wherein said first cap (C1) covers described import and limits one and open with a thermostat formula passage/and flow channel that locking mechanism (15) is communicated with is so that from a radiator (25) guide cooling water, described second cap (C2) covers described outlet, it is characterized in that:
Described outlet comprises one first outlet (49) and one second outlet (52), and described second cap (C2) is formed with first flow pass (21) and second flow pass (22) that separates and cooling water is caused from described second outlet (52) heat exchanger (29) by a next door (68) and described first flow pass (21) that cooling water are caused described radiator (25) from described first outlet (49).
2. motor as claimed in claim 1 is characterized in that: described second flow pass (22) comprises an attachment portion (67) that cooling water is caused a tb (7) from described second outlet (52).
3. motor as claimed in claim 1 or 2, it is characterized in that: along the relative installation surface (40 of described engine body (2) with described cooling water intake/outlet cover (C), 60), described engine body (2) and the described first and second cap (C1, C2) interface between in is sealed by an elastic material seal arrangement (46), and described engine body (2) and described first and second caps (C1, C2) interface between another in is sealed by a liquid sealing device (54), a mounting zone (47 at described elastic material seal arrangement (46), 69) and an overlay area (55 of described liquid sealing device (54), 70) between in the zone, in the part of the described installation surface (40) of the part of described cooling water intake/outlet cover (C) and described engine body (2) at least one comprises that stops a part (71), and described prevention part stops the extruding part of described liquid sealing device (54) to enter described mounting zone (47) from described overlay area (55).
4. motor as claimed in claim 3 is characterized in that: described prevention part (71) is a recess.
5. motor as claimed in claim 4 is characterized in that: described recess is a groove.
6. as claim 1 or 3 described motors, it is characterized in that: described first cap (C1) and described second cap (C2) couple together by a link (72).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001145069A JP3775571B2 (en) | 2001-05-15 | 2001-05-15 | Internal combustion engine with cooling water inlet / outlet cover |
| JP145069/2001 | 2001-05-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1385599A CN1385599A (en) | 2002-12-18 |
| CN1224777C true CN1224777C (en) | 2005-10-26 |
Family
ID=18990936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021199140A Expired - Fee Related CN1224777C (en) | 2001-05-15 | 2002-05-15 | Engine with cooling water cap |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP1258608B1 (en) |
| JP (1) | JP3775571B2 (en) |
| CN (1) | CN1224777C (en) |
| BR (1) | BR0201840B1 (en) |
| DE (1) | DE60226923D1 (en) |
| MY (1) | MY130969A (en) |
| TW (1) | TW554133B (en) |
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| JP3731745B2 (en) * | 2002-08-08 | 2006-01-05 | 本田技研工業株式会社 | DOHC type water-cooled internal combustion engine |
| JP4278131B2 (en) * | 2003-04-04 | 2009-06-10 | 本田技研工業株式会社 | Cooling structure for water-cooled internal combustion engine |
| CN1820130B (en) * | 2003-07-10 | 2011-08-10 | 雅马哈发动机株式会社 | Engine |
| DE102004012372A1 (en) | 2004-03-13 | 2005-09-29 | Daimlerchrysler Ag | Cooling circuit for a coolant-cooled internal combustion engine |
| JP5101234B2 (en) * | 2007-10-16 | 2012-12-19 | 本田技研工業株式会社 | Variable valve opening characteristics valve gear |
| US20090183696A1 (en) * | 2008-01-18 | 2009-07-23 | O'flynn Kevin P | Liquid cooling system for internal combustion engine |
| US20160356559A1 (en) | 2015-06-02 | 2016-12-08 | International Business Machines Corporation | Manifold for a liquid cooling system |
| JP6631264B2 (en) * | 2016-01-15 | 2020-01-15 | スズキ株式会社 | Cooling structure of internal combustion engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1916640C3 (en) * | 1969-04-01 | 1975-11-20 | Volkswagenwerk Ag, 3180 Wolfsburg | Cooling and heating water circuit for a motor vehicle with a water-cooled engine |
| FR2663988B1 (en) * | 1990-06-27 | 1994-08-05 | Renault | WATER OUTLET HOUSING FOR INTERNAL COMBUSTION ENGINE. |
| JP3354519B2 (en) * | 1999-03-31 | 2002-12-09 | 本田技研工業株式会社 | Engine cooling structure |
-
2001
- 2001-05-15 JP JP2001145069A patent/JP3775571B2/en not_active Expired - Lifetime
-
2002
- 2002-04-22 TW TW091108231A patent/TW554133B/en not_active IP Right Cessation
- 2002-04-24 DE DE60226923T patent/DE60226923D1/en not_active Expired - Lifetime
- 2002-04-24 EP EP02009169A patent/EP1258608B1/en not_active Expired - Fee Related
- 2002-05-13 MY MYPI20021720A patent/MY130969A/en unknown
- 2002-05-15 BR BRPI0201840-3A patent/BR0201840B1/en not_active IP Right Cessation
- 2002-05-15 CN CNB021199140A patent/CN1224777C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP1258608B1 (en) | 2008-06-04 |
| CN1385599A (en) | 2002-12-18 |
| BR0201840B1 (en) | 2010-10-19 |
| JP3775571B2 (en) | 2006-05-17 |
| BR0201840A (en) | 2003-03-11 |
| EP1258608A3 (en) | 2004-12-01 |
| TW554133B (en) | 2003-09-21 |
| MY130969A (en) | 2007-07-31 |
| EP1258608A2 (en) | 2002-11-20 |
| JP2002339744A (en) | 2002-11-27 |
| DE60226923D1 (en) | 2008-07-17 |
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Granted publication date: 20051026 Termination date: 20130515 |