| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a compact double gear pump including a pair of pumps constituted by a helical gear.SOLUTION: In a double gear pump 1, a middle flange 40 is connected to and between a first pump casing 24 and a second pump casing 34. This middle flange 40 incorporates a rotation transmission mechanism 41 which transmits rotation of a first drive shaft 3 to a second drive shaft 19, and a pressure chamber 25 (thrust force balance mechanism).</p> |
