| 摘要 |
PROBLEM TO BE SOLVED: To provide a valve timing adjusting device for preventing operational failure and damage. SOLUTION: This valve timing adjusting device has a first rotary body 20 having a first internal gear part 22 and an introducing hole for introducing a lubricating fluid inside and rotating by interlocking with a camshaft, a second rotary body 10 having a second internal gear part 14 positioned on the opposite side of the introducing hole by sandwiching the first internal gear part 22 adjacent in the axial direction and rotating by interlocking with a crankshaft, and a planetary gear having a first external gear part and a second external gear part and changing a relative rotational phase between the first rotary body 20 and the second rotary body 10 by integrally making planetary motion while respectively meshing these first external gear part and second external gear part with the first internal gear part 22 and the second internal gear part 14. An addendum circle 90 of the second internal gear part 14 is formed in a larger diameter than an addendum circle 92 of the first internal gear part 22. COPYRIGHT: (C)2007,JPO&INPIT
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