TR201803356A2 - A cooling system for an internal combustion engine and a method thereof. - Google Patents

A cooling system for an internal combustion engine and a method thereof. Download PDF

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Publication number
TR201803356A2
TR201803356A2 TR2018/03356A TR201803356A TR201803356A2 TR 201803356 A2 TR201803356 A2 TR 201803356A2 TR 2018/03356 A TR2018/03356 A TR 2018/03356A TR 201803356 A TR201803356 A TR 201803356A TR 201803356 A2 TR201803356 A2 TR 201803356A2
Authority
TR
Turkey
Prior art keywords
axial fan
shroud
forced air
air cooling
cooling system
Prior art date
Application number
TR2018/03356A
Other languages
Turkish (tr)
Inventor
Sridhar Balaguru
Ramakrishna Naraharisetti
Viswanath Patil Lohit
Patil Madiwalappagoud
Mazumdar Dipanjan
Original Assignee
Tvs Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tvs Motor Co Ltd filed Critical Tvs Motor Co Ltd
Publication of TR201803356A2 publication Critical patent/TR201803356A2/en

Links

Classifications

    • 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
    • F01P1/00—Air cooling
    • F01P1/02—Arrangements for cooling cylinders or cylinder heads, e.g. ducting cooling-air from its pressure source to cylinders or along cylinders
    • 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
    • F01P1/00—Air cooling
    • F01P1/06—Arrangements for cooling other engine or machine parts
    • F01P1/10—Arrangements for cooling other engine or machine parts for cooling fuel injectors or sparking-plugs
    • 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
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
    • 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
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
    • F01P5/06—Guiding or ducting air to, or from, ducted fans
    • 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
    • F01P7/02—Controlling of coolant flow the coolant being cooling-air
    • F01P7/04—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio
    • 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
    • F01P7/02—Controlling of coolant flow the coolant being cooling-air
    • F01P7/08—Controlling of coolant flow the coolant being cooling-air by cutting in or out of pumps
    • 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
    • F01P2050/00—Applications
    • F01P2050/16—Motor-cycles
    • 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
    • F01P2050/00—Applications
    • F01P2050/24—Hybrid vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

A plurality of sensors (602, 607, 608) are used to acquire two wheeled vehicle operational data. An axial fan (404) is mounted on the shroud and adapted to introduce air axially into interior portion of a shroud (402) covering the cylinder head (201) and cylinder block (202) assembly. The axial fan is driven by a centrally hub mounted electric motor (406) is controlled by a controller unit (601). The controller unit is configured to continuously receive two wheeled hybrid vehicle operational data from the sensor(s) to determine the thermal state of the internal combustion engine, speed of the internal combustion engine and capacity of a battery for supplying controlled power to the electric motor (406). Hence, the forced cooling system controls the operation of the cooling fan at targeted locations based on IC engine cooling requirements.

Claims (20)

1.A.forced air cooling system to perform cooling of a cylinder head (201) and a cylinder block (202) assembly of an internal combustion (IC) engine (101) of a saddle type vehicle, said forced air cooling system comprising: a shroud (402) arranged to cover at least a portion of the internal combustion› engine (101) including the cylinder head (201) and cylinder block (202) assembly; one or more sensors (602, 607, 608) to acquire two wheeled vehicle operational data; an axial fan (404) mounted on the shroud (402), and said axial fan (404) adapted to introduce air axially into the interior portion of the shroud (402) covering the cylinder head (201) and cylinder block (202) assembly; characterized in that: the axial fan (404) driven by a centrally hub mounted electric motor (406), said electric motor (406) is controlled. by a controller unit (601), said. controller unit (601) configured to continuously receive two wheeled vehicle operational data from said one or more sensors (602, 607, 608) to determine the thermal state of the internal combustion engine (101), speed of the internal combustion engine (101) and capacity of a battery supplying power to the electric motor (406), and the controller unit (601) selectively controlling the electric motor (406) based on said vehicle operational data received from said one or more sensors (602, 607, 608).
2. The forced air cooling system as claimed in claim 1 wherein the shroud (402) directs forced air coming from the axial fan (404) towards the spark plug (309) side of the cylinder head.
3. The forced air cooling system as claimed in claim l, wherein the shroud (402) has an integrated fan mounting bracket (407) for mounting said axial fan (404) and the fan mounting bracket (407) secured to shroud (402) using suitable fasteners (410, 412).
4.The forced air cooling system as claimed in claim 1, wherein the controller unit (601) selectively controls at least one of an enabling and disabling of the axial fan (404).
5.The forced air cooling system as claimed in claim 1 or claim 2, wherein the controller unit (601) in addition to selectively controlling one of enabling' and disabling' of the axial fan (404) also controls the speed of rotation of the axial fan (404).
6.The forced air cooling system as claimed in claim 1 or 2, wherein said. at least. one of the sensor* (602, 607, 608) is selected from a group comprising an engine speed sensor (607) disposed on a magneto assembly (301) of the IC engine (101), an engine oil temperature sensor (602) disposed within a crankcase (203) of the internal combustion engine (101), and a battery capacity sensor (608) disposed on the battery (604)
7. A forced air cooling systeni for a saddle type vehicle, wherein the saddle type vehicle comprises of: an exhaust pipe connected to the cylinder head (201) and adapted to allow exhaust gases to be removed from the internal combustion engine (101) thereby creating a heat zone area around the junction of attachment of the exhaust pipe to the cylinder head (201); a frame assembly comprising a Hain-tube (107) and a pair of side-tubes (109), each of the pair of side-tubes (109) parallel to each other and attached to one end of the main- tube (107) by a cross bar, and said internal combustion engine (101) swingably mounted on the pair of side-tubes (109); a seat assembly (108); a utility box; and a bridge mounting bracket (114) disposed between each of said pair of side-tubes (109); the bridge mounting bracket (114) is disposed in proximity to the axial fan (404) mounted on the shroud (402), said bridge bracket (114) configured to support the utility box and the seat assembly 108; characterized in that: the bridge mounting bracket (114) comprises an air inlet opening (114a) to allow easy access of the air to enter the interior portion of the shroud (402) when the axial fan (404) is in operation.
8. The forced air cooling system as claimed in claim 1, wherein the shroud (402) comprises a hot air exit formed at one edge of the shroud (402) located in close proximity to the heat zone area (505), said hot air exit has a first edge and a second edge, said first edge adapted to project outwardly from the outer surface of the shroud (402) such that the first edge is greater in width than the second edge to form an angularly slanted profile as viewed from the side view of the internal combustion engine (101).
9. The forced air cooling system as claimed in claim 1 or claim 5, wherein the shroud (402) further comprises an exhaust opening to permit the passage and attachment of the exhaust pipe, said exhaust opening is made substantially larger than the heat zone area (505).
10. The forced air cooling system› as claimed in claim l, wherein at least one deflecting member (405) is mounted downstream of the axial fan (404) on the interior portion of the shroud (402), and said at least one deflecting member (405) adapted to change the path of air in the interior portion of the shroud (402).
11. A method for controlling an axial fan (404) of a forced air cooling system of a two wheeled vehicle, said method comprising steps of: receiving of vehicle operational data from one or more sensors controller unit (601), receiving of an engine power signal; actuated by a drive mode selector; by the controller unit (601), determining, by the controller unit (601) whether the temperature is greater than a first predetermined value, and if the temperature is not greater than a first predetermined value, then transmitting' a first signal to switch “OFF” an axial fan (404); determining, by the controller unit (601) if the temperature is greater than a first predetermined value, when at least one of the internal combustion engine (101) is powered “ON” and ignition switch is “ON” then the controller unit (601) transmitting the signal to switch “ON” and control the speed of the axial fan (404).
12. The method for controlling an axial fan (404) of a forced air cooling* systeni of a two wheeled 'vehicle as claimed in claim 11 wherein the receiving of vehicle operational data and providing signal to the electric motor (406) is performed on a real time basis.
13. The method for controlling an axial fan (404) of a forced air cooling systeni of a two wheeled 'vehicle as claimed in claim 11 wherein the operator of the engine actuates drive mode selector to select the mode of driving of the vehicle.
14. The method for controlling an axial fan (404) of a forced air cooling' systeni of` a two wheeled. vehicle as claimed in claim 11 or claim 12 wherein the controller unit (601) decides the amount of electric power to be sent to the electric motor based on the vehicle operational data.
15. The method for controlling an axial fan (404) of a forced air cooling systeni of a two wheeled. vehicle as claimed in claim 11 wherein the controller unit (601) receives the temperature parameter through sensor mounted at at least one of the cylinder block and cylinder head (202, 202a), engine speed parameter through sensor mounted at the magneto (301) and the state of charge of battery through sensor mounted in a battery management system (608).
16. The forced air cooling system for a saddle type vehicle as claimed in claim 7 wherein the opening (114a) is provided in the bridge mounting bracket (114) to allow the system to access the air space between the body panel of the vehicle and the pair of side tubes (109).
17. A. forced air cooling system to perform cooling of a cylinder head (201) and a cylinder block (202) assembly of an internal combustion (IC) engine (101) of a saddle type vehicle, said forced air cooling system comprising: a shroud (402) arranged to cover at least a portion of the internal combustion engine (101) including the cylinder head (201) and cylinder block (202) assembly; characterized in that: the shroud (402) has an axial fan (404) mounted on the shroud (402) and the axial fan (404) is adapted to introduce air axially into the interior` portion of the shroud (402) covering the cylinder head (201) and cylinder block (202) assembly; and the axial fan (404) is mounted over the cylinder head (201) and cylinder block (202) and the axial fan (404) is located in line to spark plug (309).
18.The forced air cooling system as claimed in claim 16 wherein axial fan (404) comprises of a hub and a bush portion, the bush portion located in downstream of air flow and the bush portion mating inside the boss portion of a fan mounting bracket (407).
19.The forced air cooling system as claimed in claim 16 wherein the axial fan (404) comprising a fan cover (401) and fan mounting bracket (407) integrated as a subsystem with a portion of shroud (402).
20.The forced air cooling system› as claimed› in claim 17 wherein the fan cover (401) is adapted. to abut the outer periphery of the circular raised projected area (402a) of the shroud (402).
TR2018/03356A 2017-03-09 2018-03-09 A cooling system for an internal combustion engine and a method thereof. TR201803356A2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IN201741008243 2017-03-09

Publications (1)

Publication Number Publication Date
TR201803356A2 true TR201803356A2 (en) 2018-09-21

Family

ID=63576817

Family Applications (1)

Application Number Title Priority Date Filing Date
TR2018/03356A TR201803356A2 (en) 2017-03-09 2018-03-09 A cooling system for an internal combustion engine and a method thereof.

Country Status (2)

Country Link
CN (3) CN108571371B (en)
TR (1) TR201803356A2 (en)

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DE1923300A1 (en) * 1969-05-07 1970-11-26 Hatz Motoren Internal combustion engine with cooling air blower
JPH0825498B2 (en) * 1985-01-28 1996-03-13 ヤマハ発動機株式会社 Saddle-type four-wheeled vehicle for running on rough terrain
TW324764B (en) * 1994-11-30 1998-01-11 Yamaha Motor Co Ltd Supercharger for motorcycles
IT239525Y1 (en) * 1995-12-05 2001-03-05 Compagnucci Spa ELECTRIC IGNITION ENGINE FOR MODEL CARS EQUIPPED WITH FORCED AIR COOLING
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JP3835426B2 (en) * 2003-04-09 2006-10-18 スズキ株式会社 Scooter type vehicle
US20050173926A1 (en) * 2004-02-06 2005-08-11 Soqi Kabushiki Kaisha Generating apparatus
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JP4732375B2 (en) * 2007-02-05 2011-07-27 本田技研工業株式会社 Forced air-cooled internal combustion engine
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JP5921125B2 (en) * 2011-10-04 2016-05-24 川崎重工業株式会社 Motorcycle wind guide structure
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Also Published As

Publication number Publication date
CN113864035A (en) 2021-12-31
CN113847134B (en) 2024-07-09
CN108571371B (en) 2022-07-05
CN113847134A (en) 2021-12-28
CN108571371A (en) 2018-09-25

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