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    • 7. 发明申请
    • RECIPROCATING INTERNAL COMBUSTION ENGINE
    • 往复式内燃机
    • WO99005404A1
    • 1999-02-04
    • PCT/EP1998/004428
    • 1998-07-16
    • F02B1/04F02B75/06F02F1/24F02F1/42
    • F02B75/065F01B1/10F02B1/04F02B2275/18F02F1/4221F02F2001/246Y02T10/146
    • The invention relates to a reciprocating internal combustion engine with at least one cylinder (2), in the head (8) of which cylinder end two inlet channels (6) which can be controlled by one inlet valve (10) each. Two outlet channels (12) which can be controlled by one outlet valve (14) each start in the cylinder head (8). The mouths of the inlet channels and outlet channels are positioned diametrically opposite each other. The engine further comprises a piston (4) moving in the cylinder (2) and is characterized in that it has two crankshafts (30, 32) which rotate in opposite directions, mutually engage each other via teeth (34) and are each connected to the piston (4) by means of one connecting rod (36, 38) each.
    • 具有A往复式内燃机的至少一个汽缸(2),在其头部(8)包括两个,分别由进气门的装置(10)可控制入口通道(6)开放,并且其头部(8)包括一个相应的排气阀(14)信道的两个可控装置(12 )延伸,所述进气管道的开口和出口管道分别设置直径上彼此相对,并操作一个气缸(2)中的活塞(4),具有两个(经由齿部34),以在卡合对方,反向旋转的曲轴(30 ,32)被提供,它们通过各自的连接杆36,38连接()(与活塞4)。
    • 8. 发明专利
    • Valve operating mechanism in internal-conbustion engine
    • 内燃机中的阀门操作机构
    • JPS60192812A
    • 1985-10-01
    • JP4989884
    • 1984-03-15
    • Yamaha Motor Co Ltd
    • YOSHIKAWA MASAAKI
    • F01L1/053F01L1/26F01L3/10F02B1/04F02F1/24F02F1/42
    • F02F1/4221F01L1/0532F01L1/265F01L2001/0537F02B1/04F02B2275/18F02F2001/245
    • PURPOSE: To save the occupying space for attachment of valve springs, in an engine in which a plurality of valves are provided for each engine cylinder, by forming the valve springs in an obal shape.
      CONSTITUTION: There are provided three intake valves 1 and two exhaust valves 2 for each engine cylinder, which are opened and closed by a valve operating mechanism comprising an intake valve cam shaft 3, an exhaust valve cam shaft 4, etc. Valve springs 9 urging the intake valves 1 in the valve closing direction, is formed in the shape of an obal having a major axis L
      1 and a minor axis L
      2 , and they are arranged such that the minor axis sides thereof are adjacent to each other. With this arrangement, a restricted occupying area for attachment of the valve springs may be effectively used so that a plurality of valves may be arranged.
      COPYRIGHT: (C)1985,JPO&Japio
    • 目的:为了节省用于安装阀弹簧的占用空间,在其中为每个发动机气缸设置有多个阀的发动机中,通过将阀弹簧形成为正方形。 构成:为每个发动机气缸设置三个进气门1和两个排气门2,这两个排气门由包括进气阀凸轮轴3,排气阀凸轮轴4等的阀操作机构打开和关闭。阀弹簧9推动 进气门1在阀关闭方向上形成为具有长轴L1和短轴L2的形状,并且它们被布置为使得其短轴侧彼此相邻。 通过这种布置,可以有效地使用用于安装阀弹簧的限制占用区域,从而可以布置多个阀。
    • 9. 发明申请
    • 火花点火式4サイクルエンジン
    • 火花点火四冲程发动机
    • WO2013098905A1
    • 2013-07-04
    • PCT/JP2011/079953
    • 2011-12-25
    • 矢尾板 康仁
    • 矢尾板 康仁
    • F02D13/02
    • F02D13/0276F02F1/4221F02F1/4264Y02T10/18
    •  課題:主シリンダーの外側に副シリンダーを設けるガソリンエンジンで排気ガスの浄化と掃気の両立を可能にする。 解決手段:主シリンダー(1)の外側の燃焼室(3)に、第一排気茸弁(9)が設置される。バルブ・カバー(7)は、排気茸弁(9)の底面を覆う。第三吸気茸弁(10)は排気茸弁(9)と第二吸気茸弁(11)の間に設置される。排気工程の上死点時に排気茸弁(9)と第二吸気茸弁(11)が共に少し開いている。排気工程の上死点時に第三吸気茸弁(10)が閉じている。第二吸気茸弁(11)が開く時、閉じている第三吸気茸弁(10)の底面に接して吸気が流入し、燃焼室内の既燃焼ガスを排気茸弁(9)に向けて移動させる。 この時に排気茸弁(9)は閉じていない。従って、掃気ができる。しかし、前記第一排気茸弁から吸気が流失しない様に、第一排気茸弁(9)と第二吸気茸弁(11)がオーバーラップする期間が設定される。すると、三元触媒の機能と掃気が両立する。
    • [问题]能够在具有设置在主气缸的外侧的辅助气缸的汽油发动机中清除和清除废气。 [解决方案]第一排气提升阀(9)安装在主缸(1)外侧的燃烧室(3)中。 阀盖(7)覆盖排气提升阀(9)的底面。 第三进气提升阀(10)安装在排气提升阀(9)和第二进气提升阀(11)之间。 在排气行程期间的上止点处,排气提升阀(9)和第二进气提升阀(11)都略微打开。 在排气行程期间,第三进气提升阀(10)在上止点处封闭。 当第二进气提升阀11打开时,吸入空气相对于封闭的第三进气提升阀10的底面流动,燃烧室内的燃烧气体向排气提升阀9移动。 排气提升阀(9)此时不关闭。 因此,气体可以被清除。 然而,第一排气提升阀(9)和第二进气提升阀(11)重叠的时间段被设定为使得进气不被排出第一排气提升阀。 然后实现三元催化剂功能和清除。
    • 10. 发明申请
    • MODIFIED CYLINDER HEAD
    • 改装缸头
    • WO1993005287A1
    • 1993-03-18
    • PCT/US1991006169
    • 1991-08-30
    • CATERPILLAR INC.CLARKE, John, MichaelFALETTI, James, JosephHACKETT, David, Elliot
    • CATERPILLAR INC.
    • F02B15/00
    • F02F1/4221F01L1/265F02B3/06F02B2275/10F02B2275/18F02B2275/34F02F2001/247
    • Multiple intake valves operatively associated in a common combustion chamber are advantageous in that the design achieves high output for an internal combustion engine. The subject modified cylinder head utilizes the advantages available in a multiple intake valve system, but further enhances the design by reducing heat rejection. In the subject modified cylinder head, three intake valves (38, 40, 42) having corresponding intake valve ports (26, 28, 30) and one exhaust valve (68) having an exhaust valve port (66) are operatively associated in a common combustion chamber. A reduction in heat rejection is achieved through a relationship between the cross-sectional areas of the intake and exhaust valve ports (26, 28, 30, 66). The intake valve ports (26, 28, 30) are constructed so that their cross-sectional area is larger than about 69 % of the combined cross-sectional area of the intake and the exhaust ports (26, 28, 30, 66).
    • 可操作地连接在公共燃烧室中的多个进气门的优点在于,该设计实现了内燃机的高输出。 主体改进的气缸盖利用多进气阀系统中的优点,但通过减少散热来进一步增强设计。 在主体改进的气缸盖中,具有相应的进气门口(26,28,30)和具有排气阀口(66)的一个排气阀(68)的三个进气门(38,40,42)可操作地关联在共同的 燃烧室。 通过进排气阀端口(26,28,30,66)的横截面积之间的关系来实现排热减少。 进气门口(26,28,30)的构造使得它们的横截面积大于进气口和排气口(26,28,30,66)的组合横截面面积的约69%。