Patent ID: 7040276
Filing Date: 2006-05-09
Classification: F01C,F04B,F04C,F04D,F16D

Abstract:
1. A drive shaft coupling device comprising: a drive shaft provided in an internal combustion engine internally lubricated with oil, wherein torque generated by the internal combustion engine rotatably drives said drive shaft; a driven device attached to said internal combustion engine, wherein said driven device has a driven shaft that is coaxially disposed with said drive shaft and is driven by said drive shaft; an Oldham coupling disposed between said drive shaft and said driven shaft to absorb shaft misalignment of said drive shaft and said driven shaft using a slide; and oil supply means for supplying a joint sliding portion of said Oldham coupling with part of said oil flowing within said internal combustion engine, wherein an approximate center of said drive shaft defines an oil supply path and said oil supply means supplies a center portion of rotation of said Oldham coupling with oil, wherein said Oldham coupling defines an orifice in said oil supply path for adjusting an amount of oil supply, wherein said Oldham coupling is provided with inward oil supply means, said inward oil supply means defining a groove for directing said oil supplied by said oil supply means from an oil supply area to an inward portion of said Oldham coupling, said Oldham coupling further comprising: an oil supply means defining: