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1. 发明专利

JP2002181082A POWER TRANSMISSION FOR VEHICLE 失效
公开(公告)号：JP2002181082A
公开(公告)日：2002-06-26
申请号：JP2000381240
申请日：2000-12-15
申请人： HONDA MOTOR CO LTD
发明人： SATO NAOSHI , KOMIYA HARUHISA
IPC分类号： F02N15/02 , F16D41/02
摘要： PROBLEM TO BE SOLVED: To improve a power transmission for a vehicle. SOLUTION: This transmission is characterized by comprising a one-way clutch in which a boss 3 and a clutch outer 5 arranged with space in a radial direction around the boss 3 are connected with each other via a rolling element 4 held between the boss 3 and the clutch outer 5, integrally constituting the clutch outer 5 and a power transmission member driven by rotation of a starter and mounting the boss 3 on a crankshaft 1 so as not to be rotatable.

2. 发明专利

JPH01309774A METHOD FOR CASTING CYLINDER BLOCK FOR TWO CYCLE ENGINE 失效
公开(公告)号：JPH01309774A
公开(公告)日：1989-12-14
申请号：JP13861388
申请日：1988-06-06
申请人： HONDA MOTOR CO LTD
发明人： SATO NAOSHI , HIRANO SHINICHI
IPC分类号： F02F1/00 , B22C9/10 , B22D19/00 , B22D19/08 , F02B75/02 , F02F1/22
摘要： PURPOSE:To improve casting efficiency of a cylinder block for two cycle engine by integratedly molding a columnar sand block for inner surface of the sleeve and a sand core for exhaust port, setting both into a mold and casting. CONSTITUTION:By packing the core sand in the sleeve 6, the columnar sand block 191 closely packing in the inner circumferential surface of the sleeve 6 is molded. The sand core 192 for the exhaust port under seamless and integrated condition with the sand block 191 is molded while bringing the outer circumferential face in the base end 19a thereof into close contact with the inner circumferential face in opening part 11 of a valve chamber. The molds and the other sand core 193, 22 are set in a metallic mold 23 and the casting is executed. By this method, the casting efficiency of the cylinder block for two cycle engine can be improved.

3. 发明专利

JP2002181071A LIFTER DEVICE FOR CLUTCH 失效
公开(公告)号：JP2002181071A
公开(公告)日：2002-06-26
申请号：JP2000382078
申请日：2000-12-15
申请人： HONDA MOTOR CO LTD
发明人： SATO NAOSHI , KOMIYA HARUHISA
IPC分类号： F16D13/52 , F16D23/12
摘要： PROBLEM TO BE SOLVED: To miniaturize a lifter device for a clutch, to reduce operation load and to reduce cost. SOLUTION: This lifter device for the clutch for performing a connection/ cut-off of the clutch 1 by relatively axial moving of a clutch outer 6 of a multiple disk clutch and a pressure plate 12 is characterized by performing the connection/cut-off of the clutch 1 with following means. A clutch lifer cam plate 23 is fitted into an inner race of a rolling bearing 15 so as to be axially slidable, a pressure receiving plate 24 is disposed close to the rolling bearing of the clutch lifter cam plate 23, a clutch lifter plate 25 is disposed between the pressure receiving plate 24 and the clutch lifter cam plate 23, rotating body holding holes are formed at every required interval in a peripheral direction around the center axis of the rolling bearing 15 in the clutch lifter plate 25 and respective rollers 26 are loosly fitted into the rotating body holding holes by taking rotary axes of straight lines extending in the radial direction from the center axis of the rolling bearing 15.

4. 发明专利

JPH01240732A EXHAUST DEVICE FOR TWO-CYCLE ENGINE 失效
公开(公告)号：JPH01240732A
公开(公告)日：1989-09-26
申请号：JP6657888
申请日：1988-03-19
申请人： HONDA MOTOR CO LTD
发明人： YAMAMOTO HITOSHI , SATO NAOSHI , TOTTORI TAKUMI , AOKI MASANORI , TORIYAMA MASAYUKI , TENKOU ATSUSHI
IPC分类号： F02B27/06 , F02B25/20 , F02B75/02
摘要： PURPOSE:To prevent lowering of the output power of an engine due to leakage of exhaust gas by forming an elongated hole in the peripheral wall of a reflecting pipe on the swingable shaft side, and by providing a seal member for blocking the elongated hole on the outer surface of the reflecting pipe. CONSTITUTION:A swingable member 22 for swinging a reflecting pipe 16 is journalled to a swingable shaft 20 of an exhaust pipe 4. An elongated hole 25 through which the swingable member 22 passes is formed in the peripheral wall of the reflecting pipe 16 on the swingable shaft 20 side. A seal member 31 for blocking the elongated hole 25 is provided on the outer surface of the reflecting pipe 16. With this arrangement, leakage of exhaust gas from a gap between the elongated hole and the swingable member is eliminated, thereby it is possible to prevent lowering of the output power of an engine.

5. 发明专利

JPH01240729A EXHAUST DEVICE FOR TWO-CYCLE ENGINE 失效
公开(公告)号：JPH01240729A
公开(公告)日：1989-09-26
申请号：JP6657588
申请日：1988-03-19
申请人： HONDA MOTOR CO LTD
发明人： YAMAMOTO HITOSHI , SATO NAOSHI , TOTTORI TAKUMI , AOKI MASANORI , TORIYAMA MASAYUKI , TENKOU ATSUSHI
IPC分类号： F02B27/06 , F02B25/20 , F02B75/02
摘要： PURPOSE:To aim at facilitating the manufacture of an exhaust device by journalling the upper end of a swingable member to an exhaust pipe, and by fitting a coupling shaft at the upper end of a reflecting pipe in an elongated hole in the lower end part of the swingable member. CONSTITUTION:A coupling shaft 21 provided at the upstream end of a reflecting pipe 16 is fitted in an elongated hole 23 formed in the lower end part of a swingable member whose upper end is swingably journalled to an actuating shaft 20 of an exhaust pipe 4. The downstream end 16b of a reflecting pipe 16 is slidably fitted on the outer periphery of a communication pipe 13. With this arrangement, the reflecting pipe is rectilinearly moved in the axial direction, and accordingly, it is possible to eliminate the necessity of provision of a machined curve surface on the outer peripheral wall of the exhaust pipe, thereby it is possible to facilitate the manufacture of the exhaust device.

6. 发明专利

JPH01140928A METHOD OF MACHINING CYLINDER BLOCK OF TWO-CYCLE ENGINE 失效
公开(公告)号：JPH01140928A
公开(公告)日：1989-06-02
申请号：JP29956887
申请日：1987-11-27
申请人： HONDA MOTOR CO LTD
发明人： SATO NAOSHI , YOSHIKAWA SHOICHI
IPC分类号： B23P17/00
摘要： PURPOSE:To make it possible to control the timing of exhaust with a high degree of accuracy by allowing a core metal incorporated in a jig and having a shape similar to that of a control valve storage recess to abut against a surface facing a control surface at the forward end of a control valve so as to hold a cylinder block, and by machining a cylinder bore with reference to the forward end part of the core metal. CONSTITUTION:A core metal having a shape similar to a control valve storage recess 8 formed in an exhaust passage 15 and incorporated in a jig is made to abut against the surface of the control valve storage recess 8 facing a control surface 15 at the forward end of a control valve so as to hold cylinder block. Then the cylinder block is machined to form a cylinder bore 2 with reference to the forward end part of the core metal which make contact with a surface confronting the forward end control surface 15 of the control valve in the control valve storage recess 18. Accordingly the relative positional relationship between the control valve storage recess 8 and the cylinder bore 2 may be determined always accurately so that an exhaust port 5 having a vertical length with a high degree of accuracy may be formed. Further, the control valve 14 and a shaft hole for a support shaft 16 may be formed in precise positional relationships with respect to the storage recess 8. Thereby it is possible to precisely determine the position of the control valve 14 with respect to the inner peripheral surface of the cylinder bore 2.

7. 发明专利

JP2002130333A ONE-WAY CLUTCH 失效
公开(公告)号：JP2002130333A
公开(公告)日：2002-05-09
申请号：JP2000321107
申请日：2000-10-20
申请人： HONDA MOTOR CO LTD
发明人： SATO NAOSHI , KOMIYA HARUHISA
IPC分类号： F16D41/06
摘要： PROBLEM TO BE SOLVED: To achieve weight reduction and manufacturing cost reduction of a one-way clutch. SOLUTION: The one-way clutch wherein a drive member 1 and a second member 2 are disposed so that one surrounds the other with space separated radially and both members are connected to each other by way of rolling elements 4 retained therebetween, is characterized in that one of the members that is far from a shaft center comprises a retainer 5 of shaft center side and an outer body 6 having contact with the contour of the retainer 5, a cam face 6a is formed in part of the internal circumference of the outer body 6, and a space 3 for accommodating the rolling elements 4 is formed in the retainer 5 at the position corresponding to the cam face 6a.

8. 发明专利

JPH02307663A MANUFACTURE OF CYLINDER BLOCK IN TWO CYCLE ENGINE 失效
公开(公告)号：JPH02307663A
公开(公告)日：1990-12-20
申请号：JP12787689
申请日：1989-05-23
申请人： HONDA MOTOR CO LTD
发明人： SATO NAOSHI , KOIKE IKUO
IPC分类号： B22D19/00 , B22C9/10 , B22D19/08 , F02B75/02 , F02F1/00 , F02F1/22
摘要： PURPOSE:To obtain sliding surface precisely worked by forming a core part with an insert which is inserted into a core mold separated to right and left sides from the upper part and successively drawn out to the upper part. CONSTITUTION:The insert 28 arranging cavity 29 for housing valve connecting with cavity 25 for exhaust passage at lower face, is inserted between the core molds 22a, 22b of right and left sides into cavity 26 for inserting the insert from the upper part. The core sand is packed into inner part of a sleeve 2. Successively, the inert 28 is drawn out to the upper part and also the core molds 22a, 22b are separated to right and left sides to take out the core 31, which integrates the cylinder 2 and exhaust passage. This core 31 is set in a mold and a cylinder block integratedly formed with the sleeve 2 is cast. By this method, annular recessed part along upper edge part of exhaust port in the sleeve can be formed.

9. 发明专利

JPH0242114A EXHAUST DEVICE OF TWO-CYCLE ENGINE 失效
公开(公告)号：JPH0242114A
公开(公告)日：1990-02-13
申请号：JP19305488
申请日：1988-08-02
申请人： HONDA MOTOR CO LTD
发明人： SATO NAOSHI
IPC分类号： F01N13/20 , F02B75/02
摘要： PURPOSE:To aim at accomplishment of a compact size of an exhaust device capable of changing the length of an exhaust pipe by forming a tapering taper portion at the downstream side of an expansion chamber in an exhaust pipe and providing a tapering reflecting pipe capable of freely moving in an axial direction by a driving mechanism arranged at the rear of the taper portion at the inside thereof. CONSTITUTION:This exhaust device has the first pipe portion 11, the secondary and the third pipe portions 12, 13 connected in order to the rear end thereof and a silencer 14 is fitted to the rear end of the third pipe portion 12. The secondary pipe portion 12 is formed in a relatively large diameter and its inside is an expansion chamber 51. The rear portion of the secondary pipe portion 13 is a tapering convergent portion 15 and a tapering reflecting pipe 26 is slidably fitted at the inside thereof and a pin 266 provided at the rear end is engaged with a spiral lead groove 24a at the outer circumference of a pipe body 24 rotatably fitted to the rear portion of the secondary pipe portion 12. The pipe body 24 is rotated by a motor 28 via gears 30, 32 so that the reflecting pipe 26 is moved in an axial direction.

10. 发明专利

JPH01240725A METHOD OF CONTROLLING EXHAUST GAS OF TWO-CYCLE ENGINE 失效
公开(公告)号：JPH01240725A
公开(公告)日：1989-09-26
申请号：JP6616288
申请日：1988-03-19
申请人： HONDA MOTOR CO LTD
发明人： YAMAMOTO HITOSHI , SATO NAOSHI , TOTTORI TAKUMI , AOKI MASANORI , TORIYAMA MASAYUKI , TENKOU ATSUSHI
IPC分类号： F02B27/06 , F02B25/20 , F02B75/02
摘要： PURPOSE:To aim at enhancing the output power of an engine by controlling the positions of an exhaust valve and a reflecting member in accordance with extracted data corresponding to values of engine parameters. CONSTITUTION:The height of a cylinder exhaust port 5 is adjusted by an exhaust valve 9, and a control mechanism Me for changing the transmission path length of exhaust gas reflecting waves is provided to a reflecting pipe 14 in an exhaust pipe 4. The opening degree of the exhaust valve 9 and the position of the control mechanism Me are controlled in accordance with data which are extracted from a CPU 30, corresponding to the values of engine parameters. With this arrangement, both exhaust timing and transmission path length of the reflecting waves are optimumly adjusted simultaneously, thereby it is possible to aim at enhancing the output power over the whole operating range of the engine.

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