EP0312107A1 - Supercharger - Google Patents

Supercharger Download PDF

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Publication number
EP0312107A1
EP0312107A1 EP88117150A EP88117150A EP0312107A1 EP 0312107 A1 EP0312107 A1 EP 0312107A1 EP 88117150 A EP88117150 A EP 88117150A EP 88117150 A EP88117150 A EP 88117150A EP 0312107 A1 EP0312107 A1 EP 0312107A1
Authority
EP
European Patent Office
Prior art keywords
air intake
supercharger
internal combustion
combustion engine
engine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP88117150A
Other languages
German (de)
French (fr)
Inventor
Kazuo Sugimoto
Masaharu Hiraga
Ian Fisher
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.)
Sanden Corp
Original Assignee
Sanden 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 Sanden Corp filed Critical Sanden Corp
Publication of EP0312107A1 publication Critical patent/EP0312107A1/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
    • F02B39/02—Drives of pumps; Varying pump drive gear ratio
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B33/00—Engines characterised by provision of pumps for charging or scavenging
    • F02B33/32—Engines with pumps other than of reciprocating-piston type
    • F02B33/34—Engines with pumps other than of reciprocating-piston type with rotary pumps
    • F02B33/40—Engines with pumps other than of reciprocating-piston type with rotary pumps of non-positive-displacement type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B33/00—Engines characterised by provision of pumps for charging or scavenging
    • F02B33/44—Passages conducting the charge from the pump to the engine inlet, e.g. reservoirs
    • F02B33/446—Passages conducting the charge from the pump to the engine inlet, e.g. reservoirs having valves for admission of atmospheric air to engine, e.g. at starting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
    • F02B39/02—Drives of pumps; Varying pump drive gear ratio
    • F02B39/08—Non-mechanical drives, e.g. fluid drives having variable gear ratio
    • F02B39/10—Non-mechanical drives, e.g. fluid drives having variable gear ratio electric

Definitions

  • the present invention relates to an air intake system of an internal combustion engine, more particularly, the present invention relates to an air intake system of an internal combustion engine including a supercharger.
  • an air intake system of an internal com­bustion engine including a supercharger which is driven by a dynamic power of the internal combustion engine is shown.
  • the above mentioned air intake system comprises an air filter 10, an air intake pipe 11 connecting air filter 10 to an air intake port 12a of an internal combustion engine 12 and a supercharger 13.
  • Supercharger 13 is disposed between air filter 10 and engine 12 and it is connected to both air filter 10 and engine 12 by air intake pipe 11.
  • Air intake pipe 11a is disposed between air filter 10 and engine 12 to bypass supercharger 13. Accordingly, one end of bypassing air intake pipe 11a connects to air intake pipe 11 which is disposed between air filter 10 and supercharger 13, and another end of bypassing air intake pipe 11a connects to air intake pipe 11 which is disposed between supercharger 13 and air inlet port 12a of engine 12.
  • the connection between one end of bypassing air intake pipe 11a and air intake pipe 11 is accomplished by using a three-way valve or cock 14.
  • a clutch mechanism 15 controls release and connection of dynamic power to supercharger 13 in response to an output demand to engine 12.
  • a belt 16 transfers dynamic power to the clutch from the engine 12.
  • An engine drive shaft 12b transfers the engine power to pulley 12c which drives belt 16.
  • An air intake system of an internal combustion engine accord­ing to this invention includes a conduit and a supercharger.
  • the con­duit connects to an air inlet port of an internal combustion engine.
  • the supercharger is located within the conduit.
  • the supercharger is directly driven by a motor of which rotation is controllable.
  • the air intake system of an internal combustion engine includes an air filter 10, an air intake pipe 11 connecting air filter 10 to an air inlet port 12a of an internal combustion engine 12 and a supercharger 13.
  • Supercharger 13 is disposed between air filter 10 and engine 12 and it is connected to both air filter 10 and engine 12 by air intake pipe 11.
  • Motor 131 is attached to supercharger 13 and directly drives the supercharger 13.
  • a motor rotation control circuit 132 is connected to motor 131, a transducer 133 and an alternator 17 through wire, respectively.
  • Motor rotation control circuit 132 controls a rotation of motor 131 in response to a signal which is received from transducer 133 and simul­taneously rectifies an alternating current generated by alternator 17 to a direct current.
  • Transducer 133 transduces a stepping amount of an accelerator of an automobile as an output demand to engine 12 to an electrical signal and sends the electrical signal to motor rotation control circuit 132.
  • Alternator 17 generating alternating current is driven by a dynamic power of engine 12 through a belt 18.
  • the belt 18 engages a pulley 12d, which is attached to a drive shaft 12b of engine 12, with a pulley 17a attached to a shaft 17b of alternator 17.
  • Motor rotation control circuit 132 controls the rotation of motor 131 in response to the electrical signal from transducer 133. As a result, motor 131 rotates to drive supercharger 13 directly in response to the output demand of engine 12.
  • FIG. 3 an air intake system of an internal com­bustion engine in accordance with another embodiment of this inven­tion is shown.
  • the same construction is accorded like numerals as shown with respect to Figure 3 and the description of some of the identical elements is substantially omitted.
  • a bypassing air intake pipe 11b is disposed between the air filter 10 and the engine 12 to bypass the supercharger 13.
  • one end of the bypassing air intake pipe 11b connects to the air intake pipe 11, which is disposed between the air filter 10 and the supercharger 13
  • another end of the bypassing air intake pipe 11b connects to the air intake pipe 11 which is disposed between the supercharger 13 and the air inlet port 12a of the internal combustion engine 12.
  • a flap valve 19 is disposed at a junction of the bypassing air intake pipe 11b and the air intake pipe 11 which is disposed between the supercharger 13 and the air inlet port 12a of the internal combustion engine 12.
  • motor 131 rotates to drive supercharger 13 directly under control of motor rotation control circuit 132. Subsequently, another end of bypassing air intake pipe 11b is closed by flap valve 19 due to flap valve 19 being pushed up by compressed air which is blown from supercharger 13. Accordingly, air passing through air filter 10 is taken into supercharger 13 and then is supercharged to air inlet port 12a of engine 12 without going through by passing air intake pipe 11b.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supercharger (AREA)

Abstract

An air intake system of an internal combustion engine (12) including a supercharger (13) comprises an air intake pipe (11) connecting an air inlet port (12a) of an internal combustion engine (12) to a supercharger (13). The supercharger (13) is directly driven by a motor (131) of which rotation is controllable.

Description

  • The present invention relates to an air intake system of an internal combustion engine, more particularly, the present invention relates to an air intake system of an internal combustion engine including a supercharger.
  • Referring to Figure 1, an air intake system of an internal com­bustion engine including a supercharger which is driven by a dynamic power of the internal combustion engine is shown.
  • The above mentioned air intake system comprises an air filter 10, an air intake pipe 11 connecting air filter 10 to an air intake port 12a of an internal combustion engine 12 and a supercharger 13. Supercharger 13 is disposed between air filter 10 and engine 12 and it is connected to both air filter 10 and engine 12 by air intake pipe 11. Air intake pipe 11a is disposed between air filter 10 and engine 12 to bypass supercharger 13. Accordingly, one end of bypassing air intake pipe 11a connects to air intake pipe 11 which is disposed between air filter 10 and supercharger 13, and another end of bypassing air intake pipe 11a connects to air intake pipe 11 which is disposed between supercharger 13 and air inlet port 12a of engine 12. The connection between one end of bypassing air intake pipe 11a and air intake pipe 11 is accomplished by using a three-way valve or cock 14.
  • A clutch mechanism 15 controls release and connection of dynamic power to supercharger 13 in response to an output demand to engine 12. A belt 16 transfers dynamic power to the clutch from the engine 12. An engine drive shaft 12b transfers the engine power to pulley 12c which drives belt 16.
  • In operation, when the output demand to the engine 12 is equal to or more than a predetermined value, air passing through air filter 10 is taken into supercharger 13 and then is supercharged to air inlet port 12a of engine 12 due to the connection of dynamic power from engine 12 to supercharger 13 through clutch mechanism 15. On the other hand, when the output demand to the engine 12 is less than the predetermined value, air passing through air filter 10 is directly taken into air inlet port 12a of engine 12 through bypassing air intake pipe 11a due to both the release of dynamic power from engine 12 to supercharger 13 through clutch mechanism 15 and by changing the direction of three-way valve 14.
  • However, the above mentioned air intake system of an internal combustion engine has problems as follows. One problem is that there is a considerable restriction to arrangement of devices which are dis­posed in an engine compartment of automobile due to using belt 16 to transfer dynamic power from engine 12 to supercharger 13 of the air intake system. Another problem is an undesirable torque fluctua­tion of the internal combustion engine 12 due to the clutch mecha­nism 15 controlling the release and connection of dynamic power to supercharger 13 in response to an output demand to engine 12.
  • It is a primary object to eliminate a belt which drives a supercharger through a clutch mechanism in order to reduce both a space restriction and an arrangement of device restriction in an engine compartment of an automobile.
  • It is another object of this invention to eliminate an undesir­able torque fluctuation of an internal combustion engine due to a clutch mechanism controlling the release and connection of dynamic power to a supercharger in response to an output demand to engine 12.
  • An air intake system of an internal combustion engine accord­ing to this invention includes a conduit and a supercharger. The con­duit connects to an air inlet port of an internal combustion engine. The supercharger is located within the conduit.
  • According to this invention, the supercharger is directly driven by a motor of which rotation is controllable.
    • Figure 1 is a schematic block diagram of an air intake system of an internal combustion engine including a supercharger.
    • Figure 2 is a schematic block diagram of one air intake system of an internal combustion engine including a supercharger and motor arrangement in accordance with the present invention.
    • Figure 3 is a schematic block diagram of another air intake system of an internal combustion engine including a supercharger and motor arrangement in accordance with the present invention.
  • Referring to Figure 2, an air intake system of an internal com­bustion engine in accordance with one embodiment of this invention is shown. The same construction is accorded like numerals as shown with respect to Figure 1.
  • The air intake system of an internal combustion engine includes an air filter 10, an air intake pipe 11 connecting air filter 10 to an air inlet port 12a of an internal combustion engine 12 and a supercharger 13. Supercharger 13 is disposed between air filter 10 and engine 12 and it is connected to both air filter 10 and engine 12 by air intake pipe 11. Motor 131 is attached to supercharger 13 and directly drives the supercharger 13.
  • A motor rotation control circuit 132 is connected to motor 131, a transducer 133 and an alternator 17 through wire, respectively. Motor rotation control circuit 132 controls a rotation of motor 131 in response to a signal which is received from transducer 133 and simul­taneously rectifies an alternating current generated by alternator 17 to a direct current. Transducer 133 transduces a stepping amount of an accelerator of an automobile as an output demand to engine 12 to an electrical signal and sends the electrical signal to motor rotation control circuit 132. Alternator 17 generating alternating current is driven by a dynamic power of engine 12 through a belt 18. The belt 18 engages a pulley 12d, which is attached to a drive shaft 12b of engine 12, with a pulley 17a attached to a shaft 17b of alternator 17.
  • In operation, when the accelerator of the automobile is stepped, namely, as the output of engine 12 is demanded, the stepping amount of the accelerator is transduced to a proper electrical signal, and the proper electrical signal is sent to motor rotation control cir­cuit 132. Motor rotation control circuit 132 controls the rotation of motor 131 in response to the electrical signal from transducer 133. As a result, motor 131 rotates to drive supercharger 13 directly in response to the output demand of engine 12.
  • Referring to Figure 3, an air intake system of an internal com­bustion engine in accordance with another embodiment of this inven­tion is shown. The same construction is accorded like numerals as shown with respect to Figure 3 and the description of some of the identical elements is substantially omitted.
  • A bypassing air intake pipe 11b is disposed between the air filter 10 and the engine 12 to bypass the supercharger 13. Accord­ingly, one end of the bypassing air intake pipe 11b connects to the air intake pipe 11, which is disposed between the air filter 10 and the supercharger 13, and another end of the bypassing air intake pipe 11b connects to the air intake pipe 11 which is disposed between the supercharger 13 and the air inlet port 12a of the internal combustion engine 12. A flap valve 19 is disposed at a junction of the bypassing air intake pipe 11b and the air intake pipe 11 which is disposed between the supercharger 13 and the air inlet port 12a of the internal combustion engine 12.
  • In operation, when the electrical signal from transducer 133 is equal to or more than a predetermined value, namely, the output demand to engine 12 is equal to or more than a predetermined value, motor 131 rotates to drive supercharger 13 directly under control of motor rotation control circuit 132. Subsequently, another end of bypassing air intake pipe 11b is closed by flap valve 19 due to flap valve 19 being pushed up by compressed air which is blown from supercharger 13. Accordingly, air passing through air filter 10 is taken into supercharger 13 and then is supercharged to air inlet port 12a of engine 12 without going through by passing air intake pipe 11b.
  • On the other hand, when the electrical signal from transducer 133 is less than a predetermined value, namely, the output demand to engine 12 is less than a predetermined value, supercharger 13 stops its operation due to motor 131 being stopped by motor rotation control circuit 132. Subsequently, another end of bypassing air intake pipe 11b is opening due to flap valve 19 falling by virtue of its own weight. Accordingly, air passing through air filter 10 is directly taken into air inlet port 12a of engine 12 through bypassing air intake pipe 11b.

Claims (7)

1. In an air intake system of an internal combustion engine (12) including a conduit (11) connecting an air inlet port (12a) of an internal combustion engine (12) to a supercharger (13) which is located within said conduit (11), the improvement comprising:
a motor (131) directly driving the supercharger (13); and means (132), connected to the motor (131), for controlling rotation of the motor (131).
2. The air intake system of an internal combustion engine (12) according to claim 1,
characterized by a bypass conduit (11b) for diverting air around the supercharger (13).
3. The air intake system of an internal combustion engine (12) of claim 1 or 2,
wherein the rotation of said motor (131) is controlled in response to an output demand to said internal combustion engine (12).
4. The air intake system of an internal combustion engine (12) of one of claims 1 to 3,
wherein said motor rotation controlling means (132) directs the motor (131) to rotate when an electrical signal, supplied to the motor rotation controlling means (132) is equal to or more than a predetermined value.
5. The air intake system of an internal combustion engine (12) of one of claims 1 to 4,
characterized by means (133), connected to the motor rotation controlling means (132) for converting an engine output demand to an electrical signal.
6. The air intake system of an internal combustion engine (12) of claim 5,
characterized in that the electrical signal is supplied to the motor rotation controlling means (132).
7. The air intake system of an internal combustion engine (12) of one of claims 1 to 6,
characterized by means (133), connected to the motor rotation controlling means (132),for transducing engine output demand to an electrical signal so that the motor (131) drives the supercharger (13) in response to an engine output demand.
EP88117150A 1987-10-14 1988-10-14 Supercharger Withdrawn EP0312107A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62259288A JPH01100319A (en) 1987-10-14 1987-10-14 Mechanical supercharger
JP259288/87 1987-10-14

Publications (1)

Publication Number Publication Date
EP0312107A1 true EP0312107A1 (en) 1989-04-19

Family

ID=17332002

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88117150A Withdrawn EP0312107A1 (en) 1987-10-14 1988-10-14 Supercharger

Country Status (4)

Country Link
EP (1) EP0312107A1 (en)
JP (1) JPH01100319A (en)
KR (1) KR960013099B1 (en)
AU (1) AU2370188A (en)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4323155A1 (en) * 1993-07-10 1994-09-08 Daimler Benz Ag Air-compressing internal combustion engine
WO1995016115A1 (en) * 1993-12-08 1995-06-15 Scania Cv Aktiebolag Arrangement in - and method for starting - an internal combustion engine
WO1999017008A1 (en) * 1997-09-29 1999-04-08 Turbodyne Systems, Inc. Charge air systems for four-cycle internal combustion engines
WO2000032917A1 (en) * 1998-11-26 2000-06-08 Herman August Van Schalkwyk Supercharged internal combustion engine with electrically driven compressor
US6141965A (en) * 1995-11-15 2000-11-07 Turbodyne Systems, Inc. Charge air systems for four-cycle internal combustion engines
DE19934606A1 (en) * 1999-07-23 2001-01-25 Steyr Nutzfahrzeuge Ag Steyr Device and method for increasing the performance of an internal combustion engine of a vehicle charged by means of an exhaust gas turbocharger
US6256993B1 (en) 1995-07-28 2001-07-10 Honeywell International, Inc. Motor-assisted variable geometry turbocharging system
WO2002010565A1 (en) * 2000-07-28 2002-02-07 Visteon Global Technologies, Inc. Internal combustion engine supercharger
GB2365070A (en) * 2000-07-28 2002-02-13 Visteon Global Tech Inc Control of electrically-driven supercharger for i.c. engines
US6889672B2 (en) * 2000-07-28 2005-05-10 Visteon Global Technologies, Inc. Air intake arrangement for an internal combustion engine
US6892713B2 (en) * 2000-07-28 2005-05-17 Visteon Global Technologies, Inc. Air intake arrangement for an internal combustion engine
US6966293B1 (en) * 2004-08-19 2005-11-22 Kevin Patillo Fan induction blower box
WO2007072199A2 (en) * 2005-12-21 2007-06-28 Eaton Corporation Engine supercharging system
WO2015112593A1 (en) * 2014-01-24 2015-07-30 Eaton Corporation Cooling system and air delivery system for a farm machine
CN104929759A (en) * 2015-07-03 2015-09-23 江苏理工学院 Exhaust turbocharging system, power increasing and decreasing method and pressurization assistance device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2004749A1 (en) * 1970-02-03 1971-08-12 Krag, Jep Reuter, 4500 Osnabrück Electric charger to improve the degree of filling in gasoline engines
FR2504992A1 (en) * 1981-04-30 1982-11-05 Valbrev COMBINATION OF A TURBO-COMPRESSION OR RELIEF MACHINE AND AN ELECTRIC MOTOR
GB2163483A (en) * 1984-08-20 1986-02-26 Solex A supercharged I.C. engine air/fuel induction system
US4669269A (en) * 1985-05-15 1987-06-02 Mtu Motoren- Und Turbinen- Union Friedrichshafen Gmbh Turbocharged internal combustion engine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2004749A1 (en) * 1970-02-03 1971-08-12 Krag, Jep Reuter, 4500 Osnabrück Electric charger to improve the degree of filling in gasoline engines
FR2504992A1 (en) * 1981-04-30 1982-11-05 Valbrev COMBINATION OF A TURBO-COMPRESSION OR RELIEF MACHINE AND AN ELECTRIC MOTOR
GB2163483A (en) * 1984-08-20 1986-02-26 Solex A supercharged I.C. engine air/fuel induction system
US4669269A (en) * 1985-05-15 1987-06-02 Mtu Motoren- Und Turbinen- Union Friedrichshafen Gmbh Turbocharged internal combustion engine

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4323155A1 (en) * 1993-07-10 1994-09-08 Daimler Benz Ag Air-compressing internal combustion engine
WO1995016115A1 (en) * 1993-12-08 1995-06-15 Scania Cv Aktiebolag Arrangement in - and method for starting - an internal combustion engine
US5704323A (en) * 1993-12-08 1998-01-06 Scania Cv Aktiebolag Arrangement in - and method for starting - an internal combustion engine
US6256993B1 (en) 1995-07-28 2001-07-10 Honeywell International, Inc. Motor-assisted variable geometry turbocharging system
US6141965A (en) * 1995-11-15 2000-11-07 Turbodyne Systems, Inc. Charge air systems for four-cycle internal combustion engines
US6029452A (en) * 1995-11-15 2000-02-29 Turbodyne Systems, Inc. Charge air systems for four-cycle internal combustion engines
US6205787B1 (en) 1995-11-15 2001-03-27 Honeywell International Inc. Charge air systems for turbocharged four-cycle internal combustion engines
WO1999017008A1 (en) * 1997-09-29 1999-04-08 Turbodyne Systems, Inc. Charge air systems for four-cycle internal combustion engines
EP1042595A1 (en) * 1997-09-29 2000-10-11 Turbodyne Systems Inc. Charge air systems for four-cycle internal combustion engines
EP1042595A4 (en) * 1997-09-29 2001-11-28 Honeywell Int Inc Charge air systems for four-cycle internal combustion engines
CN1107794C (en) * 1997-09-29 2003-05-07 涡轮动力系统有限公司 Charge air systems for four-cycle IC engine
WO2000032917A1 (en) * 1998-11-26 2000-06-08 Herman August Van Schalkwyk Supercharged internal combustion engine with electrically driven compressor
DE19934606A1 (en) * 1999-07-23 2001-01-25 Steyr Nutzfahrzeuge Ag Steyr Device and method for increasing the performance of an internal combustion engine of a vehicle charged by means of an exhaust gas turbocharger
WO2002010565A1 (en) * 2000-07-28 2002-02-07 Visteon Global Technologies, Inc. Internal combustion engine supercharger
GB2365070A (en) * 2000-07-28 2002-02-13 Visteon Global Tech Inc Control of electrically-driven supercharger for i.c. engines
US6889672B2 (en) * 2000-07-28 2005-05-10 Visteon Global Technologies, Inc. Air intake arrangement for an internal combustion engine
US6892713B2 (en) * 2000-07-28 2005-05-17 Visteon Global Technologies, Inc. Air intake arrangement for an internal combustion engine
US6966293B1 (en) * 2004-08-19 2005-11-22 Kevin Patillo Fan induction blower box
WO2007072199A2 (en) * 2005-12-21 2007-06-28 Eaton Corporation Engine supercharging system
WO2007072199A3 (en) * 2005-12-21 2007-09-13 Eaton Corp Engine supercharging system
WO2015112593A1 (en) * 2014-01-24 2015-07-30 Eaton Corporation Cooling system and air delivery system for a farm machine
US10085377B2 (en) 2014-01-24 2018-10-02 Eaton Corporation Cooling system and air delivery system for a farm machine
CN104929759A (en) * 2015-07-03 2015-09-23 江苏理工学院 Exhaust turbocharging system, power increasing and decreasing method and pressurization assistance device
CN104929759B (en) * 2015-07-03 2017-11-14 江苏理工学院 Exhaust turbocharging system and plus power, drop dynamic method and boost assist device

Also Published As

Publication number Publication date
JPH01100319A (en) 1989-04-18
AU2370188A (en) 1989-04-20
KR890006963A (en) 1989-06-17
KR960013099B1 (en) 1996-09-30

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