In a gear pump in which a driving rotor (2) that is driven by a driving source meshes with a driven rotor (3) that is driven by the driving rotor for rotation to pump a hydraulic oil, only one of the driving rotor (2) and the driven rotor (3) is given the steam treatment while the other remains untreated.
申请公布号
EP2514974(A4)
申请公布日期
2014.01.01
申请号
EP20100837505
申请日期
2010.12.09
申请人
HONDA MOTOR CO., LTD.;YAMADA MANUFACTURING CO., LTD.
