Rotating speed detecting device for a continuously variable transmission for a vehicle
AssigneeFuji Jukogyo Kabushiki Kaisha
InventorMasahiko Takahashi
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Abstract
A continuously variable transmission has a drive pulley, an annular groove formed on a side of the drive pulley, and a pitot tube provided in the annular groove. The pitot tube has an elliptic section, and the major axis of the ellipse is arranged in a tangential direction of an annular flow of oil in the groove. An open end of the pitot tube faces to said flow of oil.
Claims3
A rotating speed detecting device for a continuously variable transmission having a drive pulley, an annular housing secured to a side of the drive pulley and forming an annular groove, a pitot tube provided in said annular groove, and an oil supply pipe for supply oil to said groove, wherein
- said pitot tube has an elliptic section, a major axis of the ellipse is arranged in a tangential direction of an annular flow of oil in said groove, and an open end of said pitot tube faces to said flow of oil.
Dependencies are inferred from the claim text.