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    • 5. 发明申请
    • AN EXHAUST GAS NOISE ATTENUATOR UNIT FOR INTERNAL COMBUSTION PISTON ENGINE
    • 用于内燃机活塞发动机的排气噪声衰减器单元
    • WO2014076355A1
    • 2014-05-22
    • PCT/FI2012/051117
    • 2012-11-15
    • WÄRTSILÄ FINLAND OY
    • GUPTA, Mranal
    • F01N1/02F01N1/06
    • F01N1/023F01N1/026F01N1/06F01N1/24F01N2210/02F01N2310/02F01N2470/20F01N2470/24F01N2490/14F01N2490/155F01N2490/18F01N2590/02
    • Invention relates to an exhaust gas noise attenuator unit (10), the attenuator unit comprising exhaust gas inlet and an exhaust gas outlet (16) arranged in flow connection with each other via a duct section (18) between them; at least two attenuation chambers (20.1, 20.2, 20.3, 20.4) arranged in flow connection with the duct section (18); at least two attenuation chambers are reactive attenuation chambers with open gas space; and the spaces thereof are at least partially bordered by a common wall section (36, 36'), and a first one (20.1) of the at least two attenuation chambers is arranged in flow connection with the duct section (18) at a first location (12.1) in longitudinal direction; and a second one (20.2) of the at least two attenuation chambers is arranged in flow connection with the duct section (18) at a second location (12.2) in longitudinal direction.
    • 本发明涉及一种排气噪声衰减器单元(10),该衰减器单元包括通过它们之间的管道部分(18)彼此流动连接的排气入口和排气出口(16); 至少两个与管道部分(18)流动连接的衰减室(20.1,20.2,20.3,20.4)。 至少两个衰减室是具有开放气体空间的反应衰减室; 并且其空间至少部分地由公共壁部分(36,36')界定,并且所述至少两个衰减室中的第一个(20.1)被布置成与管道部分(18)处于第一 位置(12.1)纵向; 并且所述至少两个衰减室中的第二个(20.2)在长度方向上的第二位置(12.2)处与所述管道部分(18)流动连接。
    • 10. 发明申请
    • TRANSVERSE PARTITION FOR EXHAUST VOLUME
    • 用于排气量的横向分隔
    • WO02010561A1
    • 2002-02-07
    • PCT/FR2001/002436
    • 2001-07-25
    • F01N1/06F01N1/08F01N1/16
    • F01N1/166F01N1/06F01N1/084F01N1/089
    • The invention concerns a transverse partition (24, 124) separating two adjacent chambers (26) of an exhaust volume (12) comprising at least a passage (44, 164) for gases circulating between the two chambers, the cross-section provided for the gas circulation through the passage (44, 164) being variable under the action of the pressure difference between the two sides of the partition. Said partition comprises a wall (30, 154) notched with at least one slot (40, 160) defined between two adjacent edges of the wall, which wall is elastically deformable under the action of the pressure difference between the two sides of the partition, between a neutral position wherein the continuity of the wall is ensured, the two edges of the slot (40, 162) being substantially assembled and a deformed position wherein the two edges of the slot are spaced apart defining between them said gas circulation passage (44, 164).
    • 本发明涉及一种分离排气容积(12)的两个相邻室(26)的横隔板(24,124),其包括用于在两个室之间循环的气体的至少一个通道(44,164),为此 通过通道(44,164)的气体循环在隔板两侧之间的压力差的作用下是可变的。 所述分隔件包括一个壁(30,154),所述壁(30,154)具有限定在所述壁的两个相邻边缘之间的至少一个槽(40,160),所述壁在所述隔板的两侧之间的压力差的作用下可弹性变形, 在确保壁的连续性的中间位置之间,槽(40,162)的两个边缘基本上组装在一起,并且变形位置,其中槽的两个边缘间隔开,在它们之间限定所述气体循环通道(44) ,164)。