| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a gear pump which can stably exert desired pump performance. <P>SOLUTION: Storage parts 14j and 22j are composed of a bottom 30 and sidewalls (a high-pressure side sidewall 31 and low pressure side sidewall 32), a pressure introduction means (communication groove 33) that introduces a pressure generated by a pumping action is provided between the bottom 30 and a seal member (seals S5 and S6), and the seal member (seals S5 and S6) spaces from the bottom 30 by the introduced pressure. <P>COPYRIGHT: (C)2012,JPO&INPIT |
