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    • 5. 发明授权
    • Apparatus for periodically oxidizing particulates collected from exhaust
gases
    • 用于周期性地氧化从废气中收集的微粒的装置
    • US4544388A
    • 1985-10-01
    • US573277
    • 1983-12-27
    • Vemulapalli D. N. RaoWallace R. Wade
    • Vemulapalli D. N. RaoWallace R. Wade
    • F01N3/027F01N3/032F01N9/00F02B1/04B01D39/20B01D46/42F01N3/02F01N3/10
    • F01N3/027F01N3/032F01N9/002F01N2330/12F01N2390/02F01N2390/04F01N2410/04F01N2510/06F02B1/04Y02T10/47Y10S55/10Y10S55/30
    • An apparatus is disclosed for regenerating a filter trap used to collect particulates from the exhaust gas of an internal combustion engine. The apparatus comprises: (a) an assembly providing a flow of a heat transfer medium through the filter trap: (b) an assembly for heating the heat transfer medium to a temperature effective to incinerate the particulates in the filter trap: and (c) a flow mask stationed in the flow of heat transfer medium, upstream from said filter trap, effective to divert the heat transfer medium away from the radially inner zone of the filter trap while guiding the heat transfer medium to engage and ignite the particulates along a radially outer region of the filter trap. The mask is a circular disc and spaced upstream from the filter trap effective to mask a central core area of the flow of heat transfer medium.The assembly for heating comprises one or more electrically heated resistance elements arranged in a planar coil configuration extending transversely across the flow of heat transfer medium. A flow diffuser is stationed upstream from the mask and is comprised of a plurality of foraminous plates effective to diffuse and slow down the flow of heat transfer medium for increasing heat exchange. The flow diffuser has a radiation reflective coating to limit heat losses and a member is employed for depressing the temperature required to ignite the particulates.
    • 公开了一种用于再生用于从内燃机的废气中收集微粒的过滤阱的装置。 该设备包括:(a)组件,其通过过滤器捕集器提供传热介质的流动;(b)用于将传热介质加热到有效地焚化过滤器中的微粒的温度的组件;以及(c) 位于所述过滤器捕集器上游的传热介质流中的流动掩模有效地将传热介质转移离开过滤器捕集器的径向内部区域,同时引导传热介质沿径向接合和点燃微粒 过滤器阱的外部区域。 掩模是圆形盘,并且与过滤器阱的上游隔开,有效地掩盖传热介质流的中心核心区域。 用于加热的组件包括一个或多个电加热电阻元件,其布置成横向横跨传热介质流动的平面线圈构型。 流动扩散器驻留在掩模的上游,并且由多个有孔的板组成,有效地扩散和减缓传热介质的流动以增加热交换。 流动扩散器具有辐射反射涂层以限制热损失,并且使用构件来降低点燃微粒所需的温度。
    • 8. 发明授权
    • Catalyst monitor for a Y pipe exhaust configuration
    • 用于Y管排气配置的催化剂监测器
    • US5357753A
    • 1994-10-25
    • US167303
    • 1993-12-16
    • Wallace R. Wade
    • Wallace R. Wade
    • F01N11/00F02B3/00
    • F01N11/007F01N2550/02Y02T10/47
    • Monitoring a catalyst positioned downstream of a Y-shaped exhaust path includes positioning an exhaust gas oxygen sensor just upstream and just downstream of the catalyst and using the two sensors together to monitor catalyst activity. Such monitoring is discontinued when the exhaust gas oxygen sensor switching rate of the upstream exhaust gas oxygen sensor is below a minimum threshold value. The upstream exhaust gas oxygen sensor does not provide an air fuel ratio feedback signal but instead, such a signal is provided by two additional exhaust gas oxygen sensors, one sensor being positioned in each of the two legs of the Y exhaust path coming from the engine.
    • 监测位于Y形排气路径下游的催化剂包括仅在催化剂上游并恰好在催化剂下游定位排气氧传感器,并将两个传感器一起监测催化剂活性。 当上游废气氧传感器的废气氧传感器切换速率低于最小阈值时,停止这种监视。 上游废气氧传感器不提供空燃比反馈信号,而是由两个附加的废气氧传感器提供这样的信号,一个传感器位于来自发动机的Y排气路径的两条腿中的每一条中 。
    • 10. 发明授权
    • Multipart ceramic cylinder head
    • 多部分陶瓷气缸盖
    • US4781157A
    • 1988-11-01
    • US137781
    • 1987-12-24
    • Wallace R. WadeEdwin J. Ounsted
    • Wallace R. WadeEdwin J. Ounsted
    • F02B3/06F02F1/24F02F1/38F02F7/00F02B75/08
    • F02F7/0087F02F1/38F02B2275/14F02B3/06F02F2001/247
    • A multipart ceramic cylinder head construction, comprises: a ceramic plate having (i) opposed faces, (ii) a central zone through which extends a transverse central axis, (iii) a peripheral zone about the central zone, the plate further having three or more gas or fluid transfer openings extending transversely through the central zone and spaced about the central axis to divide the central zone into radial sectors, each sector containing one of the openings; a first ceramic intake port block having sufficient ceramic mass to define a gas passage and define an integral compression receiving portion, the first block being adapted to mate with one of the radial sectors of the plate to align the first passage with the opening in such one radial sector; a second ceramic exhaust port block having sufficient ceramic mass to define a second gas passage and define an integral compression receiving portion, the second block being adapted to mate with another of the radial sectors of the plate to align such second passage with the opening in such other radial sector; and means effective to (i) secure the blocks mated to the plate in compression, and (ii) provide an air gap spacing between the blocks.
    • 一种多部分陶瓷气缸盖结构,包括:陶瓷板,其具有(i)相对的面,(ii)中心区,通过该中心区延伸横向中心轴线,(iii)围绕中心区域的周边区域,所述板还具有三个或 更多的气体或流体传输开口横向延伸穿过中心区域并且围绕中心轴线间隔开,以将中心区域分成径向扇区,每个扇区包含其中一个开口; 具有足够的陶瓷块以限定气体通道并限定一体的压缩接收部分的第一陶瓷进气口块,所述第一块适于与所述板的一个径向扇形部配合,以将所述第一通道与所述开口对准 径向扇区 第二陶瓷排气口块,其具有足够的陶瓷块以限定第二气体通道并限定一体的压缩接收部分,所述第二块适于与所述板的另一个径向扇形部配合,以将所述第二通道与所述开口对准 其他径向部分; 并且有效地(i)在压缩过程中固定与板相配合的块,以及(ii)在块之间提供气隙间隔。