Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tetsuhiro Yamakawa0
Hitomi Miyake0
Ichiro Uemura0
Date of Patent
July 14, 2009
0Patent Application Number
111595840
Date Filed
June 23, 2005
0Patent Primary Examiner
Patent abstract
An internal gear pump (39) of the present invention includes an inner rotor (49) relatively non-rotatably mounted on one end of a pump shaft (22) driven by a crankshaft (9), and an outer rotor (50) rotatably supported by a crankcase (1) and meshed with the inner rotor (49). The pump shaft (22) has a flange (47) formed therein, which flange (47) is rotatably supported by the crankcase (1) and covers one end face of each of the inner and outer rotors (49 and 50).
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