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1. 发明专利

JP2004044528A Intake device for rotary engine 有权
公开(公告)号：JP2004044528A
公开(公告)日：2004-02-12
申请号：JP2002205215
申请日：2002-07-15
申请人： Mazda Motor Corp , マツダ株式会社
发明人： FUJIHIRA SHINJI , OKAZAKI TOSHIKI
IPC分类号： F02B27/00 , F02B27/02 , F02B29/06 , F02B29/08 , F02B53/04 , F02D9/02
CPC分类号： Y02T10/146 , Y02T10/17
摘要： PROBLEM TO BE SOLVED: To provide an intake device for a rotary engine capable of assuring pulsation effect (high intake efficiency). SOLUTION: This intake device comprises two intake ports 34, 36, 35, 41; two operating chambers 31 in which each of first and second intake passages 49, 50, 53, 54 are connected to each of the intake ports 34, 36, 35, 41; junction portions 51, 55 formed by jointing the first intake passages 49, 53 of each of the operating chambers 31, 31 to the second intake passages 50, 54 on the upstream side; a communication passage 57 for communicating the intake passages of the front and rear operating chambers 31, 31 and a communication control means 58 which cuts off and open the communication passage 57 according to the running condition of the engine between the junction portions 51, 55 and a junction portion 21 of the intake passages of the front and rear operating chambers 31, 31. COPYRIGHT: (C)2004,JPO

2. 发明专利

JPH09228846A AUXILIARY MACHINE ARRANGEMENT STRUCTURE OF ENGINE 失效
公开(公告)号：JPH09228846A
公开(公告)日：1997-09-02
申请号：JP6544896
申请日：1996-02-26
申请人： MAZDA MOTOR
发明人： FUJIHIRA SHINJI , TANIGUCHI MASASHI , IWATA NORIYUKI , ISHII KENYA
IPC分类号： B60K5/04 , F02B29/04 , F02B33/36 , F02B33/44 , F02B67/06 , F02M35/16
摘要： PROBLEM TO BE SOLVED: To improve vibration characteristic, enable compact arrangement of an intake system, and reduce an exhaust gas temperature by reflux exhaust gas while preventing corrosion of the intake system by condensed water. SOLUTION: An engine 1 is formed as a transverse engine, the engine 1 is mounted slantly forward a vehicle, a mechanical supercharger 3 is arranged near an engine gravity center position G in a slant backward upper space, an inter cooler 6 and a throttle body 7 are arranged in the most upper position in the space, an intake manifold 9 is arranged upward the mechanical supercharger 3, and a piping 18 is arranged so as to reflux low temperature exhaust gas toward upstream of the mechanical supercharger 3. An air conditioner compressor 27 which is heavy next to the mechanical supercharger 3 is arranged on the most lower part of an opposite slant side lower space, an alternator 28 is arranged thereon, and a lightest power stirring pump 29 is arranged thereon. The engine mount 34 of an engine front side is arranged on a perpendicular V passing an engine gravity center position G.

3. 发明专利

JPH0960524A INTAKE DEVICE FOR ENGINE WITH MECHANICAL SUPERCHARGER 失效
公开(公告)号：JPH0960524A
公开(公告)日：1997-03-04
申请号：JP21378595
申请日：1995-08-22
申请人： MAZDA MOTOR
发明人： FUJIHIRA SHINJI , IWATA NORIYUKI
IPC分类号： B60K11/04 , F02B29/04 , F02B33/36 , F02M25/07
摘要： PROBLEM TO BE SOLVED: To eliminate worsening of cooling efficiency of an intercooler and prevent cooling air blown to this intercooler from coming into contact with a dash panel, while effectively preventing an operating sound of a mechanical supercharger from propagating into a car room. SOLUTION: In an intake device for an engine with mechanical supercharger mounting an engine 1 horizontally in an engine room to be provided with a mechanical supercharger 3 pressurizing intake air supplied to this engine 1, the mechanical supercharger 3 is arranged in a side wall part side adjacent to a car room of the engine 1. An intercooler 4 is arranged between this mechanical supercharger 3 and a dash panel 17, and an air discharge guide 21, guiding cooling air passing through a core part of the intercooler 4 to the downward of a car body, is arranged so as to cover a side surface of the dash panel of the mechanical supercharger 3.

4. 发明专利

JPH0783065A AIR INTAKE SYSTEM OF ENGINE WITH TURBO SUPERCHARGER 失效
公开(公告)号：JPH0783065A
公开(公告)日：1995-03-28
申请号：JP17613493
申请日：1993-06-22
申请人： MAZDA MOTOR
发明人： FUJIHIRA SHINJI , KINOSHITA HIROSHI , YAYOSHI SADAHIKO
IPC分类号： F02B37/013
摘要： PURPOSE:To prevent torsion generated in an air intake communicating passage between compressor discharge openings caused by thermal expansion of a turbin part, deterioration of durability of the air intake communicating passage due to displacement in the longitudinal direction and breakage of connection parts with other systems or an engine main body in the case of serially arranging two turbo superchargers in the turbine axis direction by way of making turbines adjoin themselves. CONSTITUTION:A sequential twin turbo supercharger 10 serially arranging a primary turbo supercharger 7 and a secondary supercharger 8 in the turbine axis direction by way of having both of turbines 11, 13 adjoin themselves is provided, a collecting pipe 17 formed of an elastic material is arranged in the turbine axis direction, its one end is connected to a discharge opening of a primary compressor 12, and the other end is connected to a communicating pipe 18 of a metal material extending from a discharge opening of a secondary compressor 14. Thereafter, to the collecting pipe 17, an intake pipe communicated with an inter-cooler is connected, and on the communicating pipe of the metal material, a shutter valve 20 is set.

5. 发明专利

JPH0711990A CONTROL DEVICE FOR ENGINE 失效
公开(公告)号：JPH0711990A
公开(公告)日：1995-01-13
申请号：JP17613693
申请日：1993-06-22
申请人： MAZDA MOTOR
发明人： YAYOSHI SADAHIKO , FUJIHIRA SHINJI , KINOSHITA HIROSHI
IPC分类号： F01M13/00 , F02B67/00 , F02D35/00 , F02M35/116
摘要： PURPOSE:To prevent the occurrence of malfunction of a plunger owing to excitation of an engine and defective operation of the plunger owing to oil mist in a blow-by gas by a method wherein arrangement and layout ability of a pressure passage running through a three-way solenoid valve for controlling an engine are improved. CONSTITUTION:A three-way solenoid valve 15 to introduce an intake air pressure is mounted through a bracket 16 on the upper surface of the engine body 1 of an engine wherein blow-by gas is introduced to an intake passage 9 through a blow-by gas introduction passage 13. The three-way solenoid valve 15 has an intake air pressure introduction port formed below, an atmosphere release port formed above, and a device communication port formed in a side, and a plunger operation direction is set to a vertical direction. A connector 31 connected to an intake air pressure introduction port is connected to a position situated downstream from a throttle through an intake air pressure take-out hose 34.

6. 发明专利

JPH056053B2 失效
公开(公告)号：JPH056053B2
公开(公告)日：1993-01-25
申请号：JP23496785
申请日：1985-10-21
申请人： MAZDA MOTOR
发明人： ROKUSHA TAKU , OOCHI SEIJI , FUJIHIRA SHINJI , FUJISAWA ATSUSHI
IPC分类号： B60K23/00 , F16H61/00 , F16H63/42

7. 发明专利

JPS635114A INTAKE DEVICE FOR ENGINE 失效
公开(公告)号：JPS635114A
公开(公告)日：1988-01-11
申请号：JP14796686
申请日：1986-06-24
申请人： MAZDA MOTOR
发明人： FUJIHIRA SHINJI , ROKUSHIYA TAKU , OUCHI SEIJI , SASANUKI FUMIE
IPC分类号： F02B27/02
摘要： PURPOSE:To obtain an intake system being compact and having a good intake efficiency by combining stream at the upstream ends of respective independent intake passages of a cylinder group so as to be opposite to each other after extending toward the same direction in the same plane, and providing rotary valves for communication at the confluent parts respectively. CONSTITUTION:All of the first independent intake passage 10 and the second independent intake passage 12 for respective cylinders are arranged so as to extend toward the same direction in the same plane, and the streams in respective intake passages 10, 12 are combined so as to be opposite to each other, and at the confluent parts the first control valve 19 and the second control valve 20 as rotary valves are provided. From the confluent parts, the first upstream intake passage 22 and the second upstream intake passage 24, respective intake passages of which are independent each other, are provided, and they are combined into one passage on the upstream side of throttle valves 17a through 17c. When the engine is in a low or intermediate speed and low or intermediate load, the first and the second control valves 19, 20 are closed to form long intake passages respectively. when the engine is in a high speed and high load, respective valves 19, 20 are opened to shorten the substantial pipe length.

8. 发明专利

JP2010156232A Driving device for twin oil pump 审中-公开
标题翻译：双油泵驱动装置
公开(公告)号：JP2010156232A
公开(公告)日：2010-07-15
申请号：JP2008334120
申请日：2008-12-26
申请人： Mazda Motor Corp , マツダ株式会社
发明人： NAKAMURA SUSUMU , NAKASUGI TATSURO , NISHIMURA KAZUAKI , FUJIHIRA SHINJI , HIKITA TAKAYUKI
IPC分类号： F01M1/02 , F02B67/06
摘要： PROBLEM TO BE SOLVED: To easily and effectively prevent agitation of oil inside an oil pan by a power transmission system of a coaxially arranged twin oil pump, which is arranged under one end side of a driving shaft of an engine outside an engine body and driven by the driving shaft of the engine, without increasing the number of parts items. SOLUTION: A driving device for the twin oil pump is structured by arranging a coaxially arranged twin oil pump 30, which is formed of an inside pump unit 31 and an outside pump unit 32, under a front end side of the driving shaft (eccentric shaft 5) in front of the engine body 1. A space between pump cases 38 and 39 of both the pump units 32 is used as a housing space 41 for housing a driven sprocket 40, and this housing space is opened upward, and joined with each other in lower parts thereof to form a partition wall for partitioning from the oil pan 20. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：通过同轴布置的双油泵的动力传递系统来容易且有效地防止油盘内的油搅动，该同轴布置的双油泵布置在发动机外部的发动机的驱动轴的一端侧机体由发动机的驱动轴驱动，而不增加零件数量。解决方案：用于双油泵的驱动装置通过在驱动轴的前端侧设置有由内侧泵单元31和外部泵单元32形成的同轴布置的双油泵30 （偏心轴5）。两个泵单元32的泵壳38和39之间的空间被用作用于容纳从动链轮40的容纳空间41，并且该容纳空间向上敞开，并且在其下部彼此连接以形成用于与油盘20分隔的分隔壁。（C）2010年，JPO和INPIT

9. 发明专利

JP2009191623A Exhaust gas circulation device of internal combustion engine 审中-公开
标题翻译：内燃机排气循环装置
公开(公告)号：JP2009191623A
公开(公告)日：2009-08-27
申请号：JP2008030033
申请日：2008-02-12
申请人： Mazda Motor Corp , マツダ株式会社
发明人： FUJIHIRA SHINJI
IPC分类号： F02M25/07
CPC分类号： Y02T10/121
摘要： PROBLEM TO BE SOLVED: To secure an early temperature rise in engine oil and the proper temperature of the engine oil by using an EGR cooler.
SOLUTION: An EGR valve 16 is arranged in its middle in an EGR passage 15. A first EGR cooler 17 is arranged upstream of the EGR valve 16. A second EGR cooler 18 is arranged downstream of the EGR valve 16. Engine cooling water is supplied to the first EGR cooler 17, and exhaust gas passing through the EGR passage 15 is cooled by this engine cooling water. The engine oil is supplied to the second EGR cooler 18, and heat is exchanged between this engine oil and the exhaust gas passing through this EGR passage 15.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：通过使用EGR冷却器来确保发动机油的早期温度升高和发动机机油的适当温度。解决方案：EGR阀16在EGR通道15的中部设置。第一EGR冷却器17设置在EGR阀16的上游。第二EGR冷却器18布置在EGR阀16的下游。发动机冷却水被供应到第一EGR冷却器17，并且通过EGR通道15的废气被该发动机冷却水冷却。发动机油被供给到第二EGR冷却器18，并且在该发动机机油和通过该EGR通路15的排气之间进行热交换。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2001099232A BALANCER DEVICE FOR ENGINE 失效
公开(公告)号：JP2001099232A
公开(公告)日：2001-04-10
申请号：JP27462299
申请日：1999-09-28
申请人： MAZDA MOTOR
发明人： HIROSE ICHIRO , ISAYAMA KAZUO , FUJIHIRA SHINJI , SATO MASAAKI
IPC分类号： F02B77/00 , F16F15/26
摘要： PROBLEM TO BE SOLVED: To reduce a backlash noise caused by deterioration of meshing due to a difference of thermal expansion. SOLUTION: A balancer case 21 is fastened to a lower part of a cylinder block via a turret 12 constituted of material having coefficient of linear expansion approximately equal to that of a crankshaft 11 and that of a balancer shaft 22.

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