发明名称 FUEL SUPPLYING APPARATUS
摘要 PROBLEM TO BE SOLVED: To provide a fuel supplying apparatus having one impeller and a plurality of pump chambers, which apparatus can prevent the transmission of a vibration to a sub tank, and also can improve the air-tightness of a connecting portion with the sub tank. SOLUTION: The fuel supplying apparatus is contained in a fuel tank 1, and supplies the fuel stored in the fuel tank 1 to the outside of the fuel tank. The fuel supplying apparatus comprises a sub tank 2 to be arranged at the bottom portion of the fuel tank 1, a fuel pump 3 which is contained in the sub tank 2, and has one impeller 51 and a plurality of the pumping chambers 52A, 52B, and a sub tank filling suction pipe (pump suction passage) 56 which is provided in the fuel pump 3, and sucks the fuel into at least one pumping chamber 52A from the outside of the sub tank, wherein the connecting portion of the pump suction passage 56 with the sub tank 2 is sealed by means of an elastic member 80. COPYRIGHT: (C)2008,JPO&INPIT
申请公布号 JP2007255408(A) 申请公布日期 2007.10.04
申请号 JP20060189745 申请日期 2006.07.10
申请人 DENSO CORP 发明人 TOMOMATSU KENICHI;HAZAMA SHINJI;IWANARI EIJI;IGARASHI RYUJI;YAMADA KATSUHISA
分类号 F02M37/10;F04D5/00;F04D29/66 主分类号 F02M37/10
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