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1. 发明授权

US4819830A Vented hatch cover 失效
标题翻译：通风舱盖
公开(公告)号：US4819830A
公开(公告)日：1989-04-11
申请号：US155088
申请日：1988-02-11
申请人： Francis R. Schultz
发明人： Francis R. Schultz
IPC分类号： B65D51/16 , F16J13/20
CPC分类号： B61D5/08 , F16J13/20
摘要： A vented hatch cover for an enclosed vessel having a shell member sized to overlie and cover a hatch opening defined by an upstanding coaming. It includes a peripheral seal to seal against coaming. The shell member has at least one air passage extending through it. A wall is integrally formed on the shell member and defines a plenum in communication with the air passage. The wall extends outward beyond the peripheral seal and there defines an air intake opening for admitting air to the plenum. An air filter is housed in the plenum.
摘要翻译：封闭容器的通风舱盖，其具有壳体构件的尺寸以覆盖并覆盖由直立的围板限定的舱口。它包括一个周边密封件，用于密封隔热罩。壳体具有延伸穿过其的至少一个空气通道。壁部一体地形成在壳体上并限定与空气通道连通的气室。墙壁向外延伸超过周边密封件，并且限定了用于将空气引入通风室的进气口。空气过滤器安装在通风室中。

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