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11. 发明专利

JPH0361605A ENGINE UNIT FOR VEHICLE 失效
公开(公告)号：JPH0361605A
公开(公告)日：1991-03-18
申请号：JP19486589
申请日：1989-07-27
申请人： YAMAHA MOTOR CO LTD
发明人： KOBAYASHI MANABU
IPC分类号： F01M1/02
摘要： PURPOSE:To dispense with pipe lines, etc., which connect a pump to an oil tank and simplify the structure around the pump by providing communication passages on pump installing parts which are arranged on a base body ranging the oil tank and an oil pan. CONSTITUTION:An oil tank 15 is installed in the vicinity of an oil pan 14, while a base body K is provided so as to range the oil tank 15 and the oil pan 14. Pump installing parts B, C for installation of discharge pumps 18, 19 and an oil supply pump 24 are provided on the base body K. A first communication passage 14g which communicates the discharge sides of the discharge pumps 18, 19 with the inside of the oil tank 15 and a second communication passage 208 which communicates the intake side of the oil supply pump 24 with the inside of the oil tank 15 are provided on the pump installing parts B and C. Pipe lines, etc., which connect discharge pumps 18, 19 or the oil supply pump 24 to the inside of the oil tank 15 are thus disused, space for the pipe lines, etc., is secured with facility and the structure is simplified.

12. 发明专利

JPH0357883A DOHC ENGINE 失效
公开(公告)号：JPH0357883A
公开(公告)日：1991-03-13
申请号：JP18888089
申请日：1989-07-24
申请人： YAMAHA MOTOR CO LTD
发明人： KOBAYASHI MANABU
IPC分类号： F02P17/04 , F02D13/02 , F02D35/00 , F02D45/00 , F02P7/067 , F02P17/00
摘要： PURPOSE:To always detect right ignition timing by obtaining the ignition timing from a rotating part, which is not changed by advance and delay timing values, in the case of each intake and exhaust cam shaft made with its advance or delay timing value independently possible. CONSTITUTION:In a control circuit 82, from a signal theta1 of a crank angle sensor and a rotational angle signal theta2 of a cam shaft, any of the transistor units 88 is turned on prior to ignition timing of the first and fourth cylinders and off in the ignition timing. At the time of this off-operation, high voltage is induced in one coil of a coil unit 90, and spark ignition is generated in spark plugs 92a, 92d of a simultaneous ignition cylinder connected to a secondary side of the coil. While, when the other transistor of the unit 88 is turned off, a spark is generated in spark plugs 92b, 92c of the other simultaneous ignition cylinder. Thus because a rotary angle of cam shafts 16, 18 is detected from an external cam unit 36A in a part integrally rotated with a crankshaft of timing selecting mechanisms 24, 26, in no relation to their operative condition, the ignition timing can be detected to a fixed position for the crankshaft.

13. 发明专利

JPH0350317A ENGINE UNIT FOR VEHICLE 失效
公开(公告)号：JPH0350317A
公开(公告)日：1991-03-04
申请号：JP18661489
申请日：1989-07-19
申请人： YAMAHA MOTOR CO LTD
发明人： KOBAYASHI MANABU
IPC分类号： F02F1/14 , F01P3/20
摘要： PURPOSE:To improve degree of freedom in the arrangement of a water pump by attaching a water pump to the side face of a cylinder block, and supplying cooling water to a jacket for a cylinder head by means of a cooling water passage independently provided of a jacket for the block. CONSTITUTION:A water pump 120 is arranged so that it is located at the front side of an engine E and the axis 121 of rotation thereof is located in parallel to a crank shaft 6. The water pump 120 is rotated in accordance with the rotation of the crank shaft 6 through a chain or the like. At the air intake side of the water pump 120, a water inlet 123 provided with an adjusting valve 125 incorporating a thermostat 126 is provided and connected to an outlet side of a radiator 5 through a piping 124. The discharge port 129 of the water pump 120 is connected to a cooling water inlet 131 provided on the side face of a vehicle front side of a cylinder block 7. Cooling water is supplied to a cooling water passage 132 formed in a cylinder head 11 through a cooling water passage 131 formed in the cylinder block 7 from this inlet 130a.

14. 发明专利

JPH0343628A ENGINE UNIT FOR AUTOMOBILE 失效
公开(公告)号：JPH0343628A
公开(公告)日：1991-02-25
申请号：JP17467689
申请日：1989-07-06
申请人： YAMAHA MOTOR CO LTD
发明人： OKUI KAORU , KOBAYASHI MANABU
IPC分类号： F02B77/00 , F01M1/12 , F02B1/04 , F02B61/00 , F02B67/06 , F02B75/18 , F02B75/20 , F02F1/24 , F02F1/42
摘要： PURPOSE:To shorten the engine width in a crank shaft direction and in its perpendicular direction respectively by arranging an output extraction shaft in parallel with a crank shaft, and by forming a recess on a bearing of the crank shaft opposed to an accessory driving pulley that is provided on the output extraction shaft. CONSTITUTION:A crank shaft 6 of an engine 4 is supported by shaft between a cylinder block 7 and a bearing case 8. An output extraction shaft 16 by which the output of the crank shaft 6 is extracted, is arranged in parallel with the crank shaft 6. On an end of the extraction output shaft 16, an accessory driving pulley 50 is provided, which is arranged at the position opposed to a bearing 60 of the crank shaft 6, etc. that is arranged of an end of the cylinder block 7. At the position opposed to the pulley 50 on the side of the bearing 60, a recess 51a is formed, to the inside of which the pulley 50 is faced. The engine width perpendicular to the crank shaft 6 as well as that in parallel with the crank shaft 6 are contracted thereby.

15. 发明专利

JPH01301950A INTAKE DEVICE OF AUTOMOBILE ENGINE 失效
公开(公告)号：JPH01301950A
公开(公告)日：1989-12-06
申请号：JP13149388
申请日：1988-05-31
申请人： YAMAHA MOTOR CO LTD
发明人： KOBAYASHI MANABU , OKUI KAORU
IPC分类号： F02B27/00 , F02M35/10
摘要： PURPOSE:To restrict shocking action exerted on an engine body in case of collision taking place in the front part of a car frame, by connecting an intake passage forming member to the front side of cylinders and connecting to the front side thereof a surge tank formed with a plastic material. CONSTITUTION:A lateral-row type engine unit 3 is mounted on a car frame with the shaft line of its crank shaft extending in the lateral direction. An intake device 13 is arranged in front of a cylinder head 5e and an intake manifold 15 is also connected to the front side of the cylinder head 5e. A throttle device 17 is connected to the front side of the intake manifold 15 and a surge tank 18 is connected to the front side of the throttle device 17 via a joint 19. The surge tank 18 is made of such a material as aluminum or synthetic resin having plasticity. When the front portion of a car body comes in collision, the surge tank 18 is crushed to absorb shock so that any shocking action exerted on an engine 5 can be restricted.

16. 发明专利

JPH01249922A ENGINE UNIT FOR AUTOMOBILE 失效
公开(公告)号：JPH01249922A
公开(公告)日：1989-10-05
申请号：JP7853588
申请日：1988-03-31
申请人： YAMAHA MOTOR CO LTD
发明人： OKUI KAORU , KOBAYASHI MANABU
IPC分类号： F02B77/00 , B60K5/04 , F01M1/12 , F02B67/04 , F02B75/18 , F02B75/20 , F16F15/12 , F16F15/126 , F16F15/26
摘要： PURPOSE:To reduce the length in a crankshaft direction by installing a damper for suppressing the torsional vibration onto the outer peripheral part of a crank arm at the part separated farthest from the crank arm having an output gear on the crankshaft. CONSTITUTION:An output taking-out shaft 15 which is meshed with an output gear 17 and takes out the output is axially supported in parallel to the side of a crankshaft 5c having an output gear 17 formed from a crank arm. Further, a gear 16 meshed with the output gear 17 and a flywheel 11a are installed onto the output taking-out shaft 15. A damper 21 for suppressing the torsional vibration is installed onto the outer peripheral part of the crank arm which is separated farthest from the crank arm having the output gear 17. Therefore, the flywheel 11a is cut off from the vibration system of the crankshaft 5c, and the generation of the torsional vibration on the crankshaft 5c is prevented. Therefore, the capacity of the damper 21 can be reduced, and said damper 21 can be accommodated into a crankcase 5b.

17. 发明专利

JPS60119328A SUCTION PIPE STRUCTURE FOR INTERNAL-COMBUSTION ENGINE 失效
公开(公告)号：JPS60119328A
公开(公告)日：1985-06-26
申请号：JP22429983
申请日：1983-11-30
申请人： YAMAHA MOTOR CO LTD
发明人： KOBAYASHI MANABU
IPC分类号： F02B37/00 , F02M37/00 , F04D29/42 , F04D29/44
摘要： PURPOSE:To improve a degree of performance in an internal-combustion engine, by making a straightening vane installed at the more upstream side than a connection port inside a chamber, into being permeability and thereby eliminating generation of a turbulent flow at the backside of the straightening vane as well as reducing a loss of suction pressure and, what is more, bringing a suction hunting phenomenon to nothing at all. CONSTITUTION:A suction pipe 6 to be connected to the upstream side of a chamber 11 is smoothly formed fanwise lest a flow passge sectional area change so suddenly. At a central pat of the chamber 11, there is provided with a connection port 12 opened to the downstream side of a connection part and it is connected to a compressor 3a of a supercharger 3. On the other hand, a straightening vane 20 having a lot of holes 21 is installed at the upstream side of the connection port 12 inside the chamber 11.

18. 发明专利

JPH0861069A MULTICYLINDER V-TYPE ENGINE 失效
公开(公告)号：JPH0861069A
公开(公告)日：1996-03-05
申请号：JP14531695
申请日：1995-05-19
申请人： YAMAHA MOTOR CO LTD
发明人： KOBAYASHI MANABU , YAMAGUCHI AKIRA
IPC分类号： F02B27/00 , F02B61/04 , F02B75/18 , F02B75/22 , F02M35/10 , F02M35/104 , F02M35/116
摘要： PURPOSE: To promote a minimal external improvement and a low level maintenance by extending a first series intake passage up to an adjacent surgetank from one of eight cylinders and a second series intake passage up to the adjacent surge tank from the first number cylinder, respectively. CONSTITUTION: A long first intake passage 118 and a short second intake passage 120 inclusive of a cylinder head's intake passage are connected to each of nine cylinder bores 51 to 58. This short second intake passage 120 is extended up to an adjacent surge tank 48 or 50 from each cylinder of these cylinder bores 51 to 58. A side of the long first intake passage 118 comes to a set of groups, and some of which among them are extended up to the surge tank 48 or 50 being set up on another cylinder bank from these cylinder bores 51 to 58. In addition, the surge tank 48 or 50 to be supplied to the first intake passage 118 of respective cylinder bores is replaced, whereby two ignition cylinders being adjoined with each other are made so as not to get out of the same surge tank.

19. 发明专利

JPH0396625A PARALLEL LINE MULTI-CYLINDER ENGINE FOR VEHICLE 失效
公开(公告)号：JPH0396625A
公开(公告)日：1991-04-22
申请号：JP23068189
申请日：1989-09-06
申请人： YAMAHA MOTOR CO LTD
发明人： KOBAYASHI MANABU
IPC分类号： F02B61/00 , F02B75/20
摘要： PURPOSE:To lower the whole height of an engine by arranging an output shaft rotting monolithically with a crank shaft in a specified condition with respect to a differential device and the like, and thereby concurrently devising a means and the like in such a way that a rotor of a large dismeter and the main shaft of an automatic transmission are arranged on the center line of the output shaft. CONSTITUTION:In an engine 22, the rotation of a crank shaft 26 is transmitted to paired right and left driving wheels via an automatic transmission 65 and a differential device 80. In this case, an output shaft 34 rotating monolithically with the crank shaft 26 is arranged in parallel with the crank shaft 26 in the opposite side of the differential device 80 while the crank shaft 26 is being held. Following which, a torque converter 72 as a rotor of a large diameter and the main shaft 70 of the automatic transmission 68 are arranged on the center line of the output shaft 34, and the torque converter 72 is concurrently over-lapped onto the crank shaft 26 when viewed from the side. In addition, with respect to the crank shaft 26, the output shaft 34 is arranged upward, and the center of the differential device 80 is arranged downward. Furthermore, a cylinder block 28 is so tilted as to cover the upper side of the differential device 80.

20. 发明专利

JPH0354307A VALVE TIMING CONTROL DEVICE OF DOHC ENGINE 失效
公开(公告)号：JPH0354307A
公开(公告)日：1991-03-08
申请号：JP18887989
申请日：1989-07-24
申请人： YAMAHA MOTOR CO LTD
发明人： OKUI KAORU , KOBAYASHI MANABU
IPC分类号： F01L1/34 , F02D13/02
摘要： PURPOSE:To obtain optimal valve timing and valve overlap by advancing an angle of a discharge side camshaft with an advancing position thereof at the time of high speed rotation being a reference at the time of other than high speed rotation while advancing an intake side camshaft at the time low speed rotation under a high load. CONSTITUTION:In a control circuit 82, phases of an intake side camshaft 16 and a discharge side camshaft 18 are changed by ON-OFF controlling solenoids 58, 58A of timing changeover mechanisms 24, 26 according to an operation program stored in a memory 84, The camshaft 18 is delayed by a specified angle by exciting only the solenoid 58A at the time of high speed rotation. The camshaft 16 is advanced by a specified angle by exciting only the solenoid 58 at the time of low speed rotation under a high load. It is therefore possible to obtain optimal valve timing and valve overlap corresponding to the operation.

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