| 摘要 |
PROBLEM TO BE SOLVED: To provide a gear pump suitable for use in a very small water quantity /low output zone, excellent in durability, having a simple structure, small size/compact and good in productivity. SOLUTION: An outer casing 1 provided with a pump suction opening 1a is provided. An inner casing 15 storing two gears 21, 22 is provided inside of the outer casing 1. A pump rotary shaft 4 is vertically provided and delivery opening 2a is formed at a pump upper part. A position of the delivery opening 2a is put on an extension of a center of pump rotation shaft and a bearing sliding part is used as a flow passage to the delivery opening 2a. COPYRIGHT: (C)2006,JPO&NCIPI
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