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    • 3. 发明申请
    • EXHAUST GAS PASSAGE STRUCTURE OF OUTBOARD ENGINE
    • 舷外机排气通道结构
    • WO0121943B1
    • 2001-05-17
    • PCT/JP0006533
    • 2000-09-22
    • HONDA MOTOR CO LTDYOSHIDA HIROYUKIIKUMA TOMONORITAKADA HIDEAKI
    • YOSHIDA HIROYUKIIKUMA TOMONORITAKADA HIDEAKI
    • F01N3/28F01N13/00F01N13/08F01N13/18F02B61/04F01N7/18
    • F01N13/18F01N3/28F01N13/004F01N13/08F01N2450/24F01N2590/021F02B61/045
    • An exhaust gas passage structure of outboard engine, wherein a split face (481) of an exhaust gas passage forming member (48) is connected to a split face (412) provided at the rear of an oil case (41) sandwiched between an engine block (11) and an extension case (42), a main exhaust gas expansion chamber (e3) and an auxiliary exhaust gas expansion chamber (e7) are formed between the exhaust gas passage forming member (48) and the oil case (41), the exhaust gas supplied from a first exhaust gas passage (e1) of the oil case (41) is exhausted to a second exhaust gas passage (e5) of the oil case (41) through the main exhaust gas expansion chamber (e3), and a part of the exhaust gas in the main exhaust gas expansion chamber (e3) is exhausted from an exhaust gas outlet (e8) to the air through a communication port (e6) and the auxiliary exhaust gas expansion chamber (e7), whereby the exhaust gas expansion chambers (e3, e7) can be exposed by merely separating the exhaust gas passage forming member (48) from the oil case (41) so that the maintenance can be performed without disassembling the oil case (41) and the maintainability can be increased remarkably.
    • 一种舷外发动机的排气通道结构,其中排气通道形成部件(48)的分割面(481)连接到设置在夹在发动机之间的油箱(41)后部的分割面(412) 在排气通路形成部件(48)与油箱(41)之间形成有块体(11)和延长箱(42),主排气膨胀室(e3)和辅助排气膨胀室(e7) 从油箱41的第一排气通道e1供给的排气通过主排气
      膨胀室e3排出到油箱41的第二排气通道e5, 并且主排气膨胀室e3中的一部分排气从排气出口e8通过连通口e6和辅助排气膨胀室e7排出到空气中, 仅通过分离排气通道形成件m就可以暴露排气膨胀室(e3,e7) (41)上的余烬(48),从而不用拆卸油箱(41)就能进行维护,并且维修性能显着增加。
    • 4. 发明申请
    • EXHAUST GAS PASSAGE STRUCTURE OF OUTBOARD ENGINE
    • 排气发动机排气通气结构
    • WO01021943A1
    • 2001-03-29
    • PCT/JP2000/006533
    • 2000-09-22
    • F01N3/28F01N13/00F01N13/08F01N13/18F02B61/04F01N7/18
    • F01N13/18F01N3/28F01N13/004F01N13/08F01N2450/24F01N2590/021F02B61/045
    • An exhaust gas passage structure of outboard engine, wherein a split face (481) of an exhaust gas passage forming member (48) is connected to a split face (412) provided at the rear of an oil case (41) sandwiched between an engine block (11) and an extension case (42), a main exhaust gas expansion chamber (e3) and an auxiliary exhaust gas expansion chamber (e7) are formed between the exhaust gas passage forming member (48) and the oil case (41), the exhaust gas supplied from a first exhaust gas passage (e1) of the oil case (41) is exhausted to a second exhaust gas passage (e5) of the oil case (41) through the main exhaust gas expansion chamber (e3), and a part of the exhaust gas in the main exhaust gas expansion chamber (e3) is exhausted from an exhaust gas outlet (e8) to the air through a communication port (e6) and the auxiliary exhaust gas expansion chamber (e7), whereby the exhaust gas expansion chambers (e3, e7) can be exposed by merely separating the exhaust gas passage forming member (48) from the oil case (41) so that the maintenance can be performed without disassembling the oil case (41) and the maintainability can be increased remarkably.
    • 一种舷外发动机的废气通道结构,其中,排气通道形成构件(48)的分离面(481)连接到设置在夹在发动机之间的油箱(41)后部的分离面(412) 在废气通道形成构件(48)和油箱(41)之间形成有块体(11)和延伸壳体(42),主排气扩张室(e3)和辅助排气扩张室(e7) 从油箱(41)的第一排气通路(e1)供给的排气通过主排气扩张室(e3)排出到油箱(41)的第二排气通路(e5) 主废气膨胀室(e3)中的废气的一部分通过连通口(e6)和辅助废气膨胀室(e7)从废气出口(e8)排出到空气,由此, 废气膨胀室(e3,e7)可以通过仅形成m的排气通道而被暴露 来自油箱(41)的余烬(48),从而可以在不拆卸油箱(41)的情况下进行维护,并且可以显着提高维护性。
    • 5. 发明申请
    • CATALYTIC CONVERTER WITH RADIAL OUTFLOW AND BY-PASS VALVE
    • 具有径向流出和旁路阀的催化转换器
    • WO1998004816A1
    • 1998-02-05
    • PCT/US1997013459
    • 1997-07-29
    • OUTBOARD MARINE CORPORATION
    • OUTBOARD MARINE CORPORATIONHOLTERMANN, Theodore, J.McGINNITY, Francis, A.
    • F01N03/20
    • F01N13/12B01D53/9454F01N3/2053F01N3/2803F01N3/2828F01N2240/20F01N2330/06F01N2590/021F02B61/045Y02T10/22
    • Disclosed herein is an outboard motor including a propulsion unit including an internal combustion engine having an exhaust port and an exhaust gas discharge system (45) including a catalytic converter (51) comprising a housing (53) having an outer wall (55) defining an axis (57), an inlet end (61) with an inlet (63), and an outlet end (65) with an outlet (67), a catalytic element (71) located in the housing concentrically with the axis and having an outer surface defining, with the housing outer wall, an outlet volume which increases in size in the direction toward the housing outlet end, an inner surface spaced from the outer surface, defining therein an inlet volume, and defining, adjacent the housing outlet end, a by-pass opening communicating between the inlet volume and the housing outlet, and flow passages extending radially outwardly from the inner surface to the outer surface, communicating, at the inner surface, with the inlet volume, and communicating, at the outer surface, with the outlet volume, and a deflector moveable between a blocking position closing the by-pass opening and a by-pass position spaced from the by-pass opening and allowing flow therethrough from the inlet volume to the housing outlet.
    • 本文公开了一种舷外马达,其包括具有排气口和排气排放系统(45)的内燃机的推进单元,该内燃机包括催化转化器(51),催化转化器(51)包括具有外壁(55)的壳体(53) 轴线(57),具有入口(63)的入口端(61)和具有出口(67)的出口端(65),与轴线同心地位于壳体中的催化元件(71) 表面限定了壳体外壁,在朝向壳体出口端的方向上尺寸增加的出口容积,与外表面间隔开的内表面,其中限定入口体积,并且在壳体出口端附近限定一个 在入口容积和壳体出口之间连通的旁通开口以及从内表面径向向外延伸到外表面的流动通道,在内表面处与入口体积连通,并且在外表面处连通, 具有出口体积,以及偏转器,其可在封闭旁路开口的阻塞位置与与旁路开口间隔开的旁路位置和允许从入口体积流到壳体出口的流动之间移动。
    • 7. 发明申请
    • 船外機の排気装置
    • 用于外置电机的排气装置
    • WO2015156203A1
    • 2015-10-15
    • PCT/JP2015/060468
    • 2015-04-02
    • スズキ株式会社
    • 阿知波 哲史大穀 圭介
    • B63H20/24F01N3/24F01N13/10
    • F01N13/004B63H20/24F01N3/10F01N13/001F01N13/10F01N13/105F01N13/107F01N2590/021
    • 4サイクルエンジンを有する船外機の排気装置は、エンジンのシリンダブロック及びシリンダヘッドに、シリンダ、燃焼室、吸気ポート及び排気ポートを備えた複数の気筒が鉛直方向に並設され、前記シリンダブロックの船外機幅方向の一方側には、複数の前記気筒の前記各排気ポートに連通して前記クランク軸と平行に延びる排気マニホ-ルドが設けられ、前記排気マニホ-ルドの排気通路内に、前記クランク軸と平行に立設されて、上端が前記排気通路の上部に開口し、下端が前記シリンダブロックを支持するエンジンホルダの排気通路に接続された筒状の排気パイプが配設され、前記排気マニホールドは、平面視において前記排気パイプとの間に隙間を有し、この隙間により前記排気マニホールドからの排気を集合する排気集合空間が形成された、ことを特徴とする。
    • 一种具有4冲程发动机的舷外马达的排气装置,其特征在于:多个气缸,每个气缸均设有气缸,燃烧室,进气口和排气口, 发动机气缸体和气缸盖; 与所述多个气缸的排气口连通且平行于曲轴延伸的排气歧管设置在所述气缸体的所述舷外马达的宽度方向的一侧; 排气歧管的排气通道内的圆筒形排气管平行于曲轴设置,排气管的上端通向排气通道的上部,下端与废气连接 支撑气缸体的发动机支架通过; 并且所述排气歧管在从所述排气管的俯视图中具有间隙,用于收集来自所述排气歧管的排气的废气收集空间由于所述间隙而形成。
    • 9. 发明申请
    • INTAKE A/F CONTROL DEVICE OF OUTBOARD ENGINE
    • 内燃机发动机A / F控制装置
    • WO00008331A1
    • 2000-02-17
    • PCT/JP1999/004182
    • 1999-08-03
    • F01N13/00F01N99/00F02B61/04F02D35/00F02D41/14F02M7/00F02M7/24F02M23/04F02M25/07F01N3/28F02D43/00F02D45/00
    • F02M23/04F01N13/008F01N2590/021F02B61/045F02D35/0061F02D41/1454F02D41/1456F02M7/24Y02T10/146
    • An intake A/F control device of an outboard engine, wherein a secondary air path (P) for feeding a mixture A/F regulating secondary air is connected to an intake system carburetor (33) of an engine (E) and a duty control unit (92) to control the duty ratio of pulses to be applied to a coil (76) is connected to a duty control valve (68) connected to the secondary air path (P), an LAF sensor (94) which detects the A/F of the exhaust gas and inputs a detection signal in proportion to the A/F to the duty control unit (92) is installed in an exhaust system, whereby even when the allowance of purification rate of a catalytic converter is set rather larger with an engine output taken somewhat in consideration or even when a set width is shifted to the rich side of the A/F with an emphasis placed on the engine output, the exhaust gas A/F can be controlled accurately to a desired target value.
    • 一种舷外发动机的进气A / F控制装置,其中,用于供给调节二次空气的A / F混合气体的二次空气路径(P)连接到发动机(E)的进气系统化油器(33)和负载控制 用于控制施加到线圈(76)的脉冲的占空比的单元(92)连接到连接到二次空气路径(P)的占空比控制阀(68),检测A / F并将与A / F成比例的检测信号输入到占空比控制单元(92)安装在排气系统中,由此即使当催化转化器的净化率的容许度被设定得相当大时, 考虑到一些发动机输出,或者甚至当设定的宽度被转移到A / F的富侧而重视发动机输出时,可以将排气A / F精确地控制到期望的目标值。