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1. 发明授权

US5679120A Grease filter 失效
标题翻译：油脂过滤器
公开(公告)号：US5679120A
公开(公告)日：1997-10-21
申请号：US515124
申请日：1995-08-15
申请人： Akira Yamada , Toshihiro Higashino , Takashi Takato
发明人： Akira Yamada , Toshihiro Higashino , Takashi Takato
IPC分类号： B01D45/08
CPC分类号： B01D45/08 , Y10S55/36
摘要： A grease filter capable of separating the oil particles at an increased efficiency only with the use of a fan of small capacity. The grease filter includes a frame supporting a plurality of baffles spaced in a row. Each baffle has a generally V-shaped cross-section with first and second walls which merge into a bent. The grease filter is arranged to have the bents opposed to each other and to locate the first and second walls, respectively on upstream and downstream sides of the filter, thereby forming upstream passages between the first walls of the adjacent baffles and forming downstream passages between the second walls of the adjacent baffles. The baffles are configured such that the upstream passage has a width which is narrower towards a downstream end of the upstream passage than at an upstream end of the upstream passage, and that the downstream passage has a width which is greater than the width of the upstream passage at the downstream end thereof. Thus, the oil mist drawn into the filter is caused to increase the flow velocity as it is directed through the upstream passage and rush into the downstream passage at a desired maximum flow velocity past the bents. The oil mist thus entering the downstream passages is caused to change its flow direction, whereby the oil particles are deposited on the second walls by the effect of collision of the oil mist against the second wall and further by a centrifugal force generated by the change of the flow direction.
摘要翻译：一种油脂过滤器，其能够仅使用小容量的风扇以更高的效率分离油颗粒。油脂过滤器包括支撑多个间隔开的隔板的框架。每个挡板具有大致V形的横截面，其具有合并成弯曲的第一和第二壁。油脂过滤器布置成具有彼此相对的弯头并且分别在过滤器的上游侧和下游侧定位第一壁和第二壁，从而在相邻挡板的第一壁之间形成上游通道，并在相邻挡板的第一壁之间形成下游通道相邻挡板的第二壁。挡板构造成使得上游通道具有朝向上游通道的下游端的宽度比在上游通道的上游端更窄的宽度，并且下游通道的宽度大于上游的宽度在其下游端通道。因此，被引导到过滤器中的油雾通过上游通道被引导而增加流速，并以所需的最大流速冲向下游通道。因此，进入下游通道的油雾会改变其流动方向，由此油雾通过油雾与第二壁的碰撞而进一步沉积在第二壁上，并进一步通过由变化产生的离心力而沉积流动方向。

2. 发明授权

US5154743A Grease extractor 失效
标题翻译：润滑脂萃取器
公开(公告)号：US5154743A
公开(公告)日：1992-10-13
申请号：US687156
申请日：1991-04-18
申请人： Takashi Takato , Toshihiro Higashino
发明人： Takashi Takato , Toshihiro Higashino
IPC分类号： B01D45/08 , B01D45/14 , B01D46/10 , B01D46/26 , B01D50/00 , B01D51/00 , B01D51/02 , F04D17/16
CPC分类号： B01D46/26 , F04D17/164
摘要： A grease extractor includes a fan for forcibly flowing grease laden air to remove grease therefrom in cooperation with a membrane filter and a trap member. The grease extractor comprises a vessel with an inlet for introduction of the grease laden air and an outlet for discharging clear air removed of the grease. The membrane filter is disposed in a flow path between an inlet and an outlet of the extractor to seize the grease while passing the grease laden air therethrough. A trap member is disposed downstream of the membrane filter to deflect the air to cause collision of the grease laden air against the trap member to deposit the grease thereon. The trap member is formed with a recovery line for collecting and draining the deposit grease out of the vessel. The membrane filter is thin enough such that relatively small grease particles once seized in the membrane filter are allowed to move by the action of the forced flow to the downstream surface of the membrane filter and coagulate thereat into greater grease particles. Such greater grease particles are then caused to leave from the membrane filter by the force air flow so as to be again carried on the air flowing toward the trap member. The air carrying the greater grease particles is brought into collision with the trap member to efficiently deposit the grease on the trap member for recovery thereof, while leaving clean air to be discharged out of the vessel.

3. 外观设计

USD385958S Baffle plate of an oil mist filter 失效
公开(公告)号：USD385958S
公开(公告)日：1997-11-04
申请号：US043227
申请日：1995-08-30
申请人： Toshihiro Higashino , Takashi Takato
设计人： Toshihiro Higashino , Takashi Takato

4. 发明授权

US5207809A Grease extractor 失效
标题翻译：润滑脂萃取器
公开(公告)号：US5207809A
公开(公告)日：1993-05-04
申请号：US900718
申请日：1992-06-18
申请人： Toshihiro Higashino , Takashi Takato , Noriaki Yamamoto , Mizuo Edamura
发明人： Toshihiro Higashino , Takashi Takato , Noriaki Yamamoto , Mizuo Edamura
IPC分类号： F04D17/16 , F04D29/30
CPC分类号： F04D29/30 , F04D17/164
摘要： A grease extractor includes a centrifugal fan for forcibly flowing grease laden air in order to remove grease therefrom in cooperation with a trap member. The grease extractor comprises a vessel with an inlet for introduction of the grease laden air and an outlet for discharging clear air. The fan, which has a rotation axis and has a circumferential fan surface, is disposed between the inlet and the outlet to be rotated about a rotation axis so as to generate a forced flow of the air for introducing the grease laden air inwardly and flowing it radially outwardly through the circumferential fan surface. The fan includes impellers which deflects the grease laden air to separate the grease therefrom and coagulate it into corresponding grease particles. Flow converting members are provided on the circumferential fan surface for converting the radial air flow into an axial flow directed outwardly substantially along the rotation axis. The grease trap member is disposed downstream of the fan means and is defined on an interior wall of the vessel radially outwardly of the fan surface such that the grease particles flown radially outwardly by the fan through the fan surface are caused to collide against the trap member and deposit thereon while the flow converting member allows the air passing through the fan surface to deflect axially so as not to be directly radially opposed relation to the fan surface.

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