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1. 发明专利

JPH0853098A SMALL-SIZED PLANING BOAT 失效
公开(公告)号：JPH0853098A
公开(公告)日：1996-02-27
申请号：JP21192394
申请日：1994-08-13
申请人： KAWASAKI HEAVY IND LTD
发明人： NITTA SHIGEMITSU , KINOSHITA MASATO
IPC分类号： B63B35/73 , F02B75/02
摘要： PURPOSE:To properly arrange a four-cycle engine considerably larger than a conventionally mounted two-cycle in a small space inside a hull. CONSTITUTION:A four-cycle engine 20 is mounted so that a crankshaft is directed toward the left and right sides of a hull, and the crankshaft is connected with a rear propulsion means 50 through a pair of bevel gears. All the cylinders 25 of the engine 20 are tilted to the rear part of the hull, and the intake system equipment 10 is arranged in the upper part of the engine 20 including the tilted cylinder 25, and the exhaust system equipment 60 is arranged at the position bwhind the hull in comparison with the engine 20.

2. 发明专利

JPH0848287A COMPACT PLANING BOAT 失效
公开(公告)号：JPH0848287A
公开(公告)日：1996-02-20
申请号：JP20795894
申请日：1994-08-08
申请人： KAWASAKI HEAVY IND LTD
发明人： NITTA SHIGEMITSU , KINOSHITA MASATO
IPC分类号： B63H21/00 , B63B35/73 , F02B61/04 , F02B67/00 , F02B75/02 , F02M35/10
摘要： PURPOSE:To dispose properly a 4-cycle engine considerably larger than a 2-cycle engine mounted conventionally in a narrow space in a hull. CONSTITUTION:A crankshaft 28 is directed longitudinally of a hull and a 4-cycle engine 20 is mounted such that the crankshaft 28 is located almost in the central part of the width of the hull. All cylinders 25 of the 4-cycle engine 20 are inclined to the right side of the hull and intake system apparatus 10 are disposed in the opposite left side.

3. 发明专利

JP2003154997A COMPACT PLANING BOAT 审中-公开
公开(公告)号：JP2003154997A
公开(公告)日：2003-05-27
申请号：JP2002227041
申请日：2002-08-05
申请人： KAWASAKI HEAVY IND LTD
发明人： NITTA SHIGEMITSU , KINOSHITA MASATO
IPC分类号： B63H11/08 , B63B35/73 , B63H21/14 , B63H21/38 , F01M11/06 , F02D17/04 , F02D29/02 , F02F7/00
摘要： PROBLEM TO BE SOLVED: To provide a compact planing boat using a four-cycle engine capable of preventing a flow-in of the oil of an oil pan into a combustion chamber even if the compact planing boat falls down (turned over or reversed). SOLUTION: This compact planing boat 1 is propelled by the water jet pressurized and injected by impellers 48 of a water jet pump, which is provided in the rear of a lower part of the planing boat, to slide on the water surface. As the engine 20 for driving the impellers, a four-cycle engine is used. A switch 18b for automatically stopping the engine when the planing boat falls down is provided. The fall switch 18b is fitted inside of an electric parts housing box 8 arranged inside a body of the compact planing boat 1.

4. 发明专利

JPH09189234A SMALL PLANING BOAT 失效
公开(公告)号：JPH09189234A
公开(公告)日：1997-07-22
申请号：JP50096
申请日：1996-01-08
申请人： KAWASAKI HEAVY IND LTD
发明人： NITTA SHIGEMITSU , KINOSHITA MASATO
IPC分类号： B63H21/14 , B63H21/00 , F02B67/00
摘要： PROBLEM TO BE SOLVED: To appropriately arrange a four-cycle engine which is fairly larger than a two-cycle engine which is conventionally mounted, in a space inboard a hull below a seat. SOLUTION: A four-cycle engine 20 is mounted so that a crankshaft 28 is directed in the longitudinal direction and the crank shaft 28 is located approximately at the center in the breadth of a hull, and total cylinders 25 of the engine 20 are inclined in the same direction on either right or left side. An intake system equipment 10 is arranged on the opposite side to the inclined side. An exhaust manifold 51 extended parallel to the direction of arrangement of the cylinders 25 is arranged on the inclined side at the position adjacent to a part from a lower part of a cylinder head 21 to the cylinders 25. Other exhaust system equipment 50 continuous to the exhaust manifold 51 is arranged in the space rearward of the engine 20 relative to the hull.

5. 发明专利

JPH09207879A SMALL PLANING BOAT 失效
公开(公告)号：JPH09207879A
公开(公告)日：1997-08-12
申请号：JP1759296
申请日：1996-02-02
申请人： KAWASAKI HEAVY IND LTD
发明人： NITTA SHIGEMITSU , KINOSHITA MASATO
IPC分类号： B63H21/14 , B63B35/73 , F01M11/00 , F02F7/00
摘要： PROBLEM TO BE SOLVED: To provide a small planing boat capable of simply draining oil in a four-cycle engine on board in an engine room, and also adequately arranging the four-cycle engine in the engine room. SOLUTION: An annular fitting seat 17 is fixed in an opening 16, by loading a four-cycle engine 6 on a small planing boat 1 to provide an oil drain port 14 on the bottom surface of the oil pan 34 of the engine 6, and moreover by cutting an inside screw in the drain port 14 to opening/closing freely fit a screw cap 15 to provide an opening 16 larger than the drain port 14 nearly direct below the drain port 14 of a hull bottom plate. An inside screw is cut in the central part opening of the fitting seat 17 to opening/closing freely fit a screw lid to the central part opening via a seal material, and to screw a cover plate for covering the outer side of the screw lid, into the fitting seat 17.

6. 发明专利

JPH09189218A EXHAUST DEVICE OF SMALL PLANING BOAT 失效
公开(公告)号：JPH09189218A
公开(公告)日：1997-07-22
申请号：JP49996
申请日：1996-01-08
申请人： KAWASAKI HEAVY IND LTD
发明人： NITTA SHIGEMITSU , KINOSHITA MASATO
IPC分类号： F01N13/10 , F01N7/10
摘要： PROBLEM TO BE SOLVED: To make 4 cycle engine compact and improve its performance by nearly equalize the length of exhaust pipes connected to the exhaust ports of respective cylinders of a 4 cycle engine and also forming a common exhaust port by gathering the final end parts of respective exhaust pipes gradually and molding integrally by casting entire exhaust pipes. SOLUTION: 4 cylinder engine 6 is placed vertically, its crankshaft 28 is positioned in the center of a hull width and also entire cylinders 25 are slanted to the right side of the hull and an intake device 10 is arranged in the left side of the hull. Exhaust pipes 71-74 are arranged in a space S formed in the right side of the engine 6. In this case, the length of respective exhaust pipes 71-74 is equalized by bending and extending the exhaust pipes 71-74 in parallel with the engine 6 to the direction of an exhaust port part 75, after once extending to the opposite direction of the exhaust port part 75 from an exhaust port 23 corresponding to each. A common exhaust port part 75 is made by gathering the final end parts of respective exhaust pipes 71-74 gradually and entire exhaust pipes 71-74 are molded by casting integrally.

7. 发明专利

JPH0891295A CONTROL MECHANISM OF WATER JET PROPELLING VESSEL 失效
公开(公告)号：JPH0891295A
公开(公告)日：1996-04-09
申请号：JP22788194
申请日：1994-09-22
申请人： KAWASAKI HEAVY IND LTD
发明人： NITTA SHIGEMITSU
IPC分类号： B63H11/08 , B63H11/107
摘要： PURPOSE: To reduce the cost, and to improve the output in a full speed area, in a water jet propelling gliding boat having a water jet propeller. CONSTITUTION: This is a water jet propelling vessel furnishing a water jet propeller which consists of a duct 66 for a jet pump provided in a hull, and an impeller 71 provided in the duct 66. A drive actuator 29 to lead in the water pressure in the duct 66, and to operate according to the variation in the water pressure, is provided, this actuator 29 is interlocked and combined to an adequate control device to control the engine and the like, and the control device is to be converted by the operation of the actuator 29. Consequently, the output property of the engine can be improved in the full speed area.

8. 发明专利

JPS6138129A Power transmission device in engine 失效
标题翻译：发动机动力传动装置
公开(公告)号：JPS6138129A
公开(公告)日：1986-02-24
申请号：JP16074884
申请日：1984-07-30
申请人： Kawasaki Heavy Ind Ltd
发明人： NITTA SHIGEMITSU , KUZUHARA YOSHIKATSU
IPC分类号： F02B67/04 , F01P5/12 , F02B61/02 , F02B67/00 , F02B75/16 , F16F15/26
CPC分类号： F01P5/12 , F02B61/02 , F02B67/00 , F02B75/16 , F16F15/264 , F16F15/268
摘要： PURPOSE:To aim at enhancing the load balancer of a balance shaft, by arranging a balancer driven gear and a water pump which are attached together to one end of a balancer shaft, so that they are opposed to each other inside and outside of a bearing wall. CONSTITUTION:A crankshaft B is supported at two positions in its axially intermediate section by an intermediate bearing wall 8 and at its both ends by outside bearing wals 6, and it secured on its end part (b) with a balancer drive gear 22 on the inside thereof. Further, a balancer driven gear 24 driven by the gear 22 is disposed at one end of a balancer shaft A supported between the right and left bearing wall 6. Meanwhile, a water pump 43 is secured to the right outside part of the balancer shaft A with the bearing wall 6 intervening between the driven gear 24 and the water pump 43. With this arrangement the load balance of the balancer shaft A may be made satisfactory to enhance its balancing function. A crank casing 2 may also serve as the inner casing of the water pump 43, and it is possible to prevent internal noise from radiating to the outside.
摘要翻译：目的：为了增强平衡轴的负载平衡器，通过将平衡器从动齿轮和水泵安装在平衡轴的一端，使它们在轴承的内部和外部相互对置壁。构成：曲轴B在其轴向中间部分的两个位置处被中间轴承壁8支撑，并且在其两端由外部轴承扳手6支撑，并且其曲轴B在其端部（b）上用平衡器驱动齿轮22固定在在里面。此外，由平衡轴A驱动的平衡器从动齿轮24设置在平衡轴A的支承在左右轴承壁6之间的一端。同时，水泵43固定在平衡轴A的右外侧部分其中轴承壁6介于从动齿轮24和水泵43之间。通过这种布置，可以使平衡轴A的负载平衡令人满意以增强其平衡功能。曲柄壳体2也可以用作水泵43的内壳，并且可以防止内部噪声辐射到外部。

9. 发明专利

JPH0849596A FOUR-CYCLE ENGINE 失效
公开(公告)号：JPH0849596A
公开(公告)日：1996-02-20
申请号：JP20288994
申请日：1994-08-03
申请人： KAWASAKI HEAVY IND LTD
发明人： NITTA SHIGEMITSU , KINOSHITA MASATO
IPC分类号： B63H21/21 , F01M5/00 , F01M11/00 , F02B61/04 , F02B75/02 , F02F7/00
摘要： PURPOSE:To simplify the structure of a four-cycle engine suitable to be used for a vehicle or a device supposed to be overturned such as a small gliding boat. CONSTITUTION:An oil pan 34 is arranged below the bottom section of a crank case 29, and their spaces are connected by a communicating hole 31 provided on the bottom section of the crank case 29. The communicating hole 31 is protruded downward from the bottom section of the crank case 29 toward the oil pan 34, and it is formed together with a peripheral wall 30 apart from the side wall of the oil pan 34.

10. 发明专利

JPH07119553A ENGINE FOR SMALL GLIDING BOAT 失效
公开(公告)号：JPH07119553A
公开(公告)日：1995-05-09
申请号：JP28441793
申请日：1993-10-18
申请人： KAWASAKI HEAVY IND LTD
发明人： NITTA SHIGEMITSU
IPC分类号： B63H21/14 , F01M3/00 , F02M17/04 , F02M19/00
摘要： PURPOSE:To prevent the generation of rust to a main nozzle provided at an intake passage, a slow fuel supply hole, the bearing parts of a throttle valve and a choke valve, and the like while preventing the change of the combustion state of an engine. CONSTITUTION:An engine for a small gliding boat is provided with a carburetor C in which a fuel chamber 13 for storing fuel led into an intake passage 2 is partitioned from an air pressure chamber 14 by a diaphragm 12, a fuel supply passage 16 for supplying fuel to the fuel chamber 13, a return passage 27 connected to the fuel supply passage 16 so as to return excess fuel, not led into the fuel chamber 13, to a fuel tank 28, and a lubricating oil supply passage 17 for supplying lubricating oil to the fuel chamber 13. The supply ports 16a, 17a of these supply passages 16, 17 to the fuel chamber 13 are brought close to each other.

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