FUEL PUMP |
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| 申请号 | US15544532 | 申请日 | 2016-01-19 | 公开(公告)号 | US20180010606A1 | 公开(公告)日 | 2018-01-11 |
| 申请人 | DENSO CORPORATION; | 发明人 | Hiromi SAKAI; Daiji FURUHASHI; | ||||
| 摘要 | An outer gear and an inner gear expand and contract volume of pump chambers formed between both the gears, and rotate to suction fuel into the pump chambers and then discharge fuel from the pump chambers sequentially. The inner gear includes an insertion hole that is depressed along its axial direction. A joint member includes a main body portion that is fitted to a rotary shaft, a foot portion that extends from the main body portion along the axial direction and is inserted in the insertion hole with a clearance therebetween, and a protruding portion that protrudes from the foot portion toward a rotation progress side of the inner gear and has its width in the axial direction further narrowed toward a top portion of the protruding portion. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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