CN1576526A - Oil cooling equipment for engine - Google Patents

Oil cooling equipment for engine Download PDF

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Publication number
CN1576526A
CN1576526A CNA2004100618782A CN200410061878A CN1576526A CN 1576526 A CN1576526 A CN 1576526A CN A2004100618782 A CNA2004100618782 A CN A2004100618782A CN 200410061878 A CN200410061878 A CN 200410061878A CN 1576526 A CN1576526 A CN 1576526A
Authority
CN
China
Prior art keywords
oil
food tray
oil cooler
motor
main body
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
CNA2004100618782A
Other languages
Chinese (zh)
Other versions
CN100425806C (en
Inventor
伊东庆忠
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.)
Mitsubishi Motors Corp
Original Assignee
Mitsubishi Motors Corp
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 Mitsubishi Motors Corp filed Critical Mitsubishi Motors Corp
Publication of CN1576526A publication Critical patent/CN1576526A/en
Application granted granted Critical
Publication of CN100425806C publication Critical patent/CN100425806C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/0004—Oilsumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
    • F01M5/002—Cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/0004—Oilsumps
    • F01M2011/0025—Oilsumps with heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/0004—Oilsumps
    • F01M2011/0066—Oilsumps with passages in the wall, e.g. for axles or fluid passages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/0004—Oilsumps
    • F01M2011/007—Oil pickup tube to oil pump, e.g. strainer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
    • F16N39/06—Arrangements for conditioning of lubricants in the lubricating system by filtration
    • F16N2039/065—Arrangements for conditioning of lubricants in the lubricating system by filtration inlet foot filter

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

An oil cooler (7) is isolated and arranged at the bottom face (1d) of an oil pan (1). An oil suction inlet (2a) is arranged opposing the oil cooler at the downward direction.

Description

The oil cooling apparatus that is used for motor
Technical field
The present invention relates to be used for the oil cooling apparatus of motor.
Background technique
By engine rotation, the oil that is accumulated in the engine oil pan is passed through oil cleaner screen by the oil pump pumping, and is filtered and be drawn towards main oily passage by oil filter.Oil is assigned to from main oily passage in the parts of motor with lubricated and cool off described motor then.When reaching a high temperature, oil has been lost its lubricated and cooling performance, therefore is provided with oil cooler, and described oil cooler makes oil cooling but so that oil can obtain its original performance.As the engine oil cooling equipment, a kind of oil cooling apparatus of formation like this has been proposed, promptly, make oil cooler be set near the food tray bottom, and be set at oil cooler top and relative with oil cooler (for example, with reference to the open No.64-61563 of Japanese Utility Model) with the oily circuit oil cleaner screen that is used for that oil pump communicates.
Yet oil cooler is set near the food tray bottom and oil cleaner screen is set in the above-mentioned oil cooling apparatus of oil cooler top therein, and the oil that is accumulated in the food tray can not circulate effectively, therefore can not be cooled off effectively.Particularly, low temperature oil is likely to accumulate in the bottom because high temperature oil is likely to accumulate in top, and therefore the oil that is accumulated in the food tray unlikely circulates by oily convection current.Therefore, the oil that has been set near the oil cooler cooling the food tray bottom surface is accumulated in the bottom of food tray and is further cooled, and lubricated and cooled off the high temperature oil that has flow in the food tray after the component parts of motor and be accumulated in above the oil of cooling, therefore, oil can not be cooled off effectively.
Summary of the invention
The invention provides a kind of oil cooling apparatus that is used for cooling machine oil, described oil cooling apparatus comprises that food tray and cooling water circulate therein and be included in oil cooler in the described food tray, wherein oil cooler to be being set up with the bottom surface of food tray mode at interval, and the oil suction opening is set at below the oil cooler and relative with oil cooler.
The high temperature oil that has flow in the food tray after the component parts that has lubricated motor is cooled off by oil cooler.The oil that is cooled moves down so that be sucked by the oil suction opening, and is assigned to the component parts of motor once more so that lubricated and cooled engine.Under the situation that the oil that is cooled moves down, oily convection current can take place to strengthen the oily cycle efficiency in the food tray, so that the oil that is accumulated in the food tray can be cooled under the efficient that improves.
Description of drawings
Below in conjunction with accompanying drawing describe characteristic of the present invention with and other objects and advantages, identical reference character is represented same or analogous parts in all accompanying drawings, wherein:
Fig. 1 shows the planimetric map of the food tray of the related oil cooling apparatus that is used for motor of the first embodiment of the present invention;
Fig. 2 is the sectional view of the food tray that cut of the arrow II-II along Fig. 1;
Fig. 3 is the sectional view of the food tray that cut of the arrow III-III along Fig. 1; And
Fig. 4 shows the sectional view of the food tray of the related oil cooling apparatus that is used for motor of the second embodiment of the present invention.
Embodiment
Describe the present invention in detail with reference to the accompanying drawing that shows its preferred embodiment below.
To as shown in Fig. 3, food tray 1 is installed to the crankcase (not shown) bottom end of motor as Fig. 1, is used for machine oil (abbreviating " oil " hereinafter as) is accumulated in wherein.For example, food tray 1 constitutes by metal parts (such as aluminum alloy) is whole.About 2/3 part along the food tray 1 of its longitudinal direction is deep 1a; And the remainder of food tray 1 is superficial part 1b.Projection 1f is outstanding and outstanding in the mode of the extension of the sidewall 1e on mind-set one side from the cardinal principle of diapire 1c towards bottom surface 1d (inwardly) from diapire 1c.The first oily passage 2 is formed among the protruding 1f.At the end face 1g place of protruding 1f, an end of the first oily passage 2 is upwards opened so that constitute oil suction opening 2a obliquely or directly from bottom surface 1d.Oil cleaner screen 4 is installed to oil suction opening 2a.The other end of the first oily passage 2 is opened at the bottom end place of sidewall 1e outer surface, and drain plug 5 is installed in this opening.Its lower end communicates with the other end of the first oily passage 2, and the second oily passage 3 that open at the upper end of sidewall 1e its upper end is arranged among the sidewall 1e.The first oily passage 2 and the second oily passage 3 have constituted main oily passage.The upper end of the second oily passage 3 is connected with the oil pump (not shown).
In the 1a of deep, oil cooler 7 be set at oil suction opening 2a top and be accumulated in the oil among the 1a of deep surperficial S below, and be disposed in the horizontal position.Oil cooler 7 is radiator-type coolers, and wherein cooling water circulates in oil cooler main body 8, and the outer surface of described oil cooler 7 contacts so that heat-shift with oil phase by a plurality of fins.Oil cooler 7 is constituted as such unit, described unit pack oil scraper cooler body 8, cooling water ingress pipe 9, cooling water delivery line 10 and supporting frame 11.Make cooling water ingress pipe 9 and cooling water delivery line 10 (they for metal tube) from the upper surface 8a of oil cooler main body 8 extend upward, side extending, near extending downwardly into the lower surface 8b that is roughly oil cooler main body 8 then position, then side direction and oblique extend down with penetrate supporting frame 11 and by the close property of liquid fix.
Oil cooler 7 is stored by this way and is supported among the deep 1a of above-mentioned food tray 1, promptly, make cooling water ingress pipe 9 and cooling water delivery line 10 penetrate the pipe patchhole in the bottom that is formed on food tray 1 sidewall 1h, and supporting frame 11 on its whole circumference scope by the close property of liquid be welded in the internal surface of sidewall 1h.Oil suction opening 2a is relative with the center of oil cooler main body 8 lower surface 8b substantially.Because oil cooler 7 is constituted as a unit, therefore mode is installed on food tray 1 with it efficiently.
Owing to following reason, the mode of oil cooler main body 8 with cantilever can be supported on the sidewall 1h of above-mentioned food tray 1, described reason for example: oil cooler main body 8 be light-type, cooling water ingress pipe 9 and cooling water delivery line 10 be metal tube and oil cooler main body 8 be subjected to oil buoyancy.Therefore, nothing can hinder oil flowing between oil cooler main body 8 and food tray 1 bottom surface 1d, so oil can flow in food tray 1 smoothly.Cooling water ingress pipe 9 is connected with the cooling water passage (not shown) with cooling water delivery line 10, therefore can make cooling water circulate.
Below described operation will be described.
Lubricating and cooling off the deep 1a that the oil that has reached a high temperature after the component parts of motor falls into Fig. 1 food tray 1, or falling into superficial part 1b to flow into the zone of the oil top that is accumulated in deep 1a.Therefore, the oil in the deep 1a top has reached high temperature.High temperature oil in the 1a top, deep is by 8 coolings of oil cooler main body.Owing to become heavier, the oil that is cooled off moves down, and is sucked by oil cleaner screen 4 (that is, being arranged on the oil suction opening 2a below the oil cooler main body 8), and is assigned to the component parts of motor once more by the first oily passage 2 and the second oily passage 3.If oil is cooled off satisfactorily, just can obtain its original performance, that is, and lubricated and cooling performance, so the component parts of motor can be by lubricated and cooling satisfactorily.
When the oil that is cooled off by oil cooler main body 8 moved down, near the oil the food tray 1 bottom surface 1d moved up.That is to say that the oil among the 1a of deep is owing to convection current circulates.Because nothing can hinder oil flowing between oil cooler main body 8 and bottom surface 1d, and oil cooler main body 8, cooling water ingress pipe 9 and cooling water delivery line 10 etc. are as the dividing plate that falls into the oil of food tray 1 from the main body of motor, therefore can prevent that oil from rippling, and this has strengthened the oily cycle efficiency among the 1a of deep, thereby has improved the but efficient of oil cooling in the food tray 1.
In addition, because oil cooler main body 8 is positioned at oil meter face S below, therefore can prevent effectively that surperficial S from rippling.In addition, because oil cooler main body 8 is positioned at oil suction opening 2a top, so therefore cold oil can reduce the air quantity that is included in the oil directly by oil suction opening 2a suction.That is, can suppress oil inflation, and can prevent lubricated and cooling capacity weakens.
In second embodiment shown in Fig. 4, food tray 15 is configured to such form, that is, oil cooler 7 is set in the top of deep 15a and with bottom surface 15d is separated by.Oil cooler main body 8 is along the direction setting of basic horizontal, and cooling water ingress pipe 9 and cooling water delivery line 10 extend from the upper surface 8a of oil cooler main body 8, and side extending then extends downwards to be fixed on the bottom surface with passing hole in the bottom surface that is formed on superficial part 15b and supported 11 liquid seal.Equally in this case, oil cooler main body 8 is positioned at the oil meter face S below of deep 15a.
Oil passage 16 separates with food tray 15, and is for example realized by metal tube.Oil passage 16 be inserted into the deep 15a of food tray 15 from the top, and near the lower surface 15b of food tray 15 basically with L shaped bending.Oil cleaner screen 17 is installed to oil suction opening 16a at the open end place of oily passage 16, and oil cleaner screen 17 is set at the below of oil cooler main body 8 and relative with the center of the lower surface 8b of oil cooler main body 8 basically.In this case, oil cleaner screen 17 can be relative with oil cooler main body 8 and be tilted to or towards directly over.Oil passage 16 links to each other with oil pump, and cooling water ingress pipe 9 and cooling water delivery line 10 link to each other with cooling water passage and make cooling water circulate.Second embodiment's operation is identical with first embodiment with effect, therefore omits the description to it.
Should be noted that in the above-described embodiments, oil cleaner screen is arranged in the oil suction opening, but also can be set in the oily passage.In addition, in the above-described embodiments, oil cooler 7 utilizes cooling water ingress pipe 9 and cooling water delivery line 10 that cooling water is circulated in oil cooler main body 8 with the oil in the cooling food tray, but also can make hot water circuit with warm oil.That is, if machine oil is cold, for example in the weather of cold, its lubricating ability will weaken owing to high viscosity.In this case, make cooling water ingress pipe 9 and cooling water delivery line 10 circulating hot waters, for example the part engine cooling water is with warm oil in food tray.Certainly, in this case, cold water and hot water are optionally supplied in the oil cooler 7.

Claims (8)

1. oil cooling apparatus that is used for motor, wherein cooling water therein circuit oil cooler (7) be included in the food tray (1) with cooling machine oil, it is characterized in that:
Oil cooler (7) is set up in the bottom surface mode separately with food tray (1), and oil suction opening (2a, 16a) is set at below the oil cooler (7) and relative with oil cooler (7).
2. the oil cooling apparatus that is used for motor as claimed in claim 1 is characterized in that, oil cooler (7) comprises oil cooler main body (8), and wherein cooling water ingress pipe (9) links to each other with the top of cooling water delivery line (10) with oil cooler main body (8).
3. the oil cooling apparatus that is used for motor as claimed in claim 2 is characterized in that, described oil cooler main body (8) is arranged on below the oil meter face and along the setting of oil meter face.
4. the oil cooling apparatus that is used for motor as claimed in claim 2, it is characterized in that, cooling water ingress pipe (9) and cooling water delivery line (10) are provided with in the mode of extending from the upper surface of oil cooler main body (8), and link to each other with supporting frame (11) in being arranged on food tray (1).
5. the oil cooling apparatus that is used for motor as claimed in claim 4 is characterized in that, support frame as described above (11) is arranged on the sidewall (1h) of food tray (1).
6. the oil cooling apparatus that is used for motor as claimed in claim 4, it is characterized in that, described food tray (1) comprises deep (15a) and superficial part (15b), and oil cooler main body (8) is arranged in the deep (15a), and supporting frame (11) is arranged in the superficial part (15b).
7. the oil cooling apparatus that is used for motor as claimed in claim 1, it is characterized in that, food tray (1) comprise from the bottom surface of food tray (1) outstanding and with food tray (1) the integrally formed first oily passage (2), and this oil suction opening (2a) is arranged on an end place of the first oily passage (2).
8. the oil cooling apparatus that is used for motor as claimed in claim 7 is characterized in that, food tray (1) comprises that this second oily passage (3) links to each other with the other end of the first oily passage (2) from the second outstanding oily passage (3) of the sidewall of food tray (1).
CNB2004100618782A 2003-07-29 2004-06-25 Oil cooling equipment for engine Expired - Lifetime CN100425806C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003203202A JP4304439B2 (en) 2003-07-29 2003-07-29 Engine oil cooling system
JP203202/2003 2003-07-29

Publications (2)

Publication Number Publication Date
CN1576526A true CN1576526A (en) 2005-02-09
CN100425806C CN100425806C (en) 2008-10-15

Family

ID=34113609

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004100618782A Expired - Lifetime CN100425806C (en) 2003-07-29 2004-06-25 Oil cooling equipment for engine

Country Status (4)

Country Link
JP (1) JP4304439B2 (en)
KR (2) KR20050013922A (en)
CN (1) CN100425806C (en)
DE (1) DE102004036286A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102341571A (en) * 2009-03-04 2012-02-01 康明斯有限公司 Reversible oil pan with integrated oil suction tube

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4560448B2 (en) * 2005-06-29 2010-10-13 愛知機械工業株式会社 Cooling water channel structure
DE102007040665A1 (en) * 2007-08-27 2009-03-05 Mann + Hummel Gmbh oil pan
DE102009010486A1 (en) 2009-02-25 2010-09-16 Man Nutzfahrzeuge Aktiengesellschaft Cooling device for engine and / or transmission oil, in particular an internal combustion engine
DE102012009196A1 (en) 2012-05-10 2013-11-14 Man Truck & Bus Ag Oil sump for internal combustion engine and sieve arrangement
CN103628950B (en) * 2013-11-19 2016-02-03 浙江吉利控股集团有限公司 A kind of oil sump with machine oil refrigerating function
DE102015009136B4 (en) 2015-07-14 2017-05-24 Neander Motors Ag Ölsiebvorrichtung in an oil pan of an internal combustion engine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5408965A (en) * 1993-10-04 1995-04-25 Ford Motor Company Internal combustion engine oil pan with oil cooler
JPH08240110A (en) * 1995-03-03 1996-09-17 Nippondenso Co Ltd Oil cooler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102341571A (en) * 2009-03-04 2012-02-01 康明斯有限公司 Reversible oil pan with integrated oil suction tube

Also Published As

Publication number Publication date
KR20050013922A (en) 2005-02-05
CN100425806C (en) 2008-10-15
JP2005048600A (en) 2005-02-24
JP4304439B2 (en) 2009-07-29
KR20060103304A (en) 2006-09-28
DE102004036286A1 (en) 2005-03-03

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C06 Publication
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SE01 Entry into force of request for substantive examination
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Address after: No. 21, No. 3, Dingmu, No. 1, Toshiba, Tokyo, Japan

Patentee after: Mitsubishi Jidosha Kogyo Kabushiki Kaisha

Address before: Tokyo, Japan

Patentee before: Mitsubishi Jidosha Kogyo Kabushiki Kaisha

CP02 Change in the address of a patent holder