| 摘要 |
<p>An internal gear pump, wherein a first angle (?1) formed by a first straightline (L1) connecting the rotating center (O<SUB>1</SUB>) of an inner rotor to the tooth tip part of its external gear teeth and a second straightline (L2) connecting the rotating center to the meshed part of the external gear teeth is 1.4 to 1.8 times a second angle (?2) formed by a third straightline (L3) connecting the rotating center to the tooth bottom of the external gear teeth to the second straightline.</p> |
