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公开(公告)号：US11738990B2
公开(公告)日：2023-08-29
申请号：US17839933
申请日：2022-06-14
CPC分类号： B67D7/3209 , B63B17/0027 , B67D7/04 , B67D7/3227
摘要： Ullage float assemblies for fuel tanks are disclosed including a guide member with a retaining element mounted to a valve body which includes a first valve port and a second valve port in fluid communication. Methods of preventing spillage of fuel from a fuel tank during a refueling and a diurnal fuel volumetric expansion event are also disclosed. The assemblies and methods.
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公开(公告)号：US20230243324A1
公开(公告)日：2023-08-03
申请号：US17592055
申请日：2022-02-03
CPC分类号： F02M37/0029 , F02M59/46 , F16K15/02 , F16K17/0433 , F16K17/065 , F16K17/082
摘要： A fuel valve device and a method of controlling fuel flow between a fuel tank and an engine are disclosed. A fuel valve comprises an inlet conduit including an inlet end connectable to a fuel tank and a central axis, an outlet conduit including an outlet end opposite the inlet end connectable to an engine. The outlet conduit has a central axis offset from the inlet conduit central axis. A movable valve ball is configured to block fuel flow from the inlet end to the outlet end at a predetermined pressure and to permit the fuel flow from the inlet end to the outlet end when pressure in the fuel valve device exceeds the predetermined pressure, movable along a travel axis defining an angle with the inlet conduit central axis that is greater than 5 degrees and less than 90 degrees.
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公开(公告)号：US20220402747A1
公开(公告)日：2022-12-22
申请号：US17839933
申请日：2022-06-14
摘要： Ullage float assemblies for fuel tanks are disclosed including a guide member with a retaining element mounted to a valve body which includes a first valve port and a second valve port in fluid communication. Methods of preventing spillage of fuel from a fuel tank during a refueling and a diurnal fuel volumetric expansion event are also disclosed. The assemblies and methods.
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