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    • 1. 发明申请
    • SPRAYING TUBE DEVICE AND HEAT EXCHANGER USING THE SAME
    • 喷涂设备和使用该设备的热交换器
    • US20130220578A1
    • 2013-08-29
    • US13822321
    • 2010-09-13
    • Takeshi OkumuraNaoki MiyakeKyoko Takemura
    • Takeshi OkumuraNaoki MiyakeTadashi Takemura
    • B05B1/26
    • B05B1/265B05B7/0012F25B39/028F28D3/02F28D3/04
    • Disclosed is a spraying tube device capable of, even in a case where a spray solution having low latent heat is used in a falling film type evaporator, uniformly spraying the spray solution to a heat-transfer tube, and a heat exchanger using the spraying tube device. The spraying tube device includes: a spraying tube configured to eject a spray solution M upward through ejection holes arranged along a tube axis C; a cover arranged above the spraying tube and configured to receive the ejected spray solution M and cause the spray solution M to flow through a space S between the cover and the spraying tube to flow downward on an outer surface of the spraying tube, and fins configured to uniformize in a tube axis C direction a distribution of the spray solution M having flowed downward from the cover.
    • 公开了一种即使在降膜型蒸发器中使用具有低潜热的喷雾溶液的情况下也能够均匀地将喷雾溶液喷射到传热管的喷射管装置,以及使用该喷射管的热交换器 设备。 喷射管装置包括:喷射管,其构造成通过沿着管轴C布置的喷射孔向上喷射喷雾溶液M; 盖子,其布置在喷射管上方并被构造成接收喷射的喷雾溶液M,并使喷雾溶液M流过盖和喷射管之间的空间S,以在喷管的外表面上向下流动,翅片配置 在管轴C方向均匀化从盖子向下流动的喷雾溶液M的分布。
    • 10. 发明授权
    • Intake system for an internal combustion engine
    • 内燃机进气系统
    • US5855194A
    • 1999-01-05
    • US835622
    • 1997-04-09
    • Takeshi OkumuraShinobu Ishiyama
    • Takeshi OkumuraShinobu Ishiyama
    • F02B31/02F02B31/08F02F1/42
    • F02B31/082F02F1/4228Y02T10/146
    • According to the present invention, each of the cylinders of an engine is provided with a first and a second swirl ports for generating a swirl of intake air in the cylinder. The second swirl port is located at the position downstream of the first swirl port with respect to the direction of swirl generated by the first intake port. The helical air passages of the first and the second intake port have a bottom which opens to the cylinder and an upper wall facing the bottom and an end wall defining the end of the helical air passage. The angle .theta..sub.1 between the upper wall and the end wall of the helical air passage of the first (upstream) intake port is formed smaller than the same (the angle .theta..sub.2) of the helical air passage of the second (downstream) intake port. By forming the angle .theta..sub.1 small, intake air flowing through the first intake port rotates a large amount before it flows into the cylinder and a strong swirl is formed by the intake air from the first intake port. On the other hand, since the angle .theta..sub.2 is relatively large, intake air flowing through the second intake port flows into the cylinder before it rotates sufficiently. Therefore, the intake air from the second intake port flows into the cylinder without interfering with the swirl in the cylinder. Thus, the flow resistance of the second intake port decreases.
    • 根据本发明,发动机的每个气缸设置有用于在气缸中产生进气的涡流的第一和第二涡旋口。 第二旋流口相对于由第一进气口产生的涡流的方向位于第一涡流口的下游位置。 第一和第二进气口的螺旋空气通道具有通向气缸的底部和面向底部的上壁和限定螺旋空气通道的端部的端壁。 第一(上游)进气口的螺旋空气通道的上壁和端壁之间的角度θ1形成为小于第二(下游)进气口的螺旋空气通道的角度θ1 。 通过形成角度θ1,流过第一进气口的进气在其流入气缸之前大量旋转,并且来自第一进气口的进气形成强烈的涡流。 另一方面,由于角度θ2相对较大,流过第二进气口的进气在其充分旋转之前流入气缸。 因此,来自第二进气口的吸入空气流入气缸而不影响汽缸内的涡流。 因此,第二进气口的流动阻力减小。