Patent ID: 6460331
Filing Date: 2002-10-08
Classification: F16D

Abstract:
A structure defining an arrangement of oil passageways in a torque converter having a pump impeller, a turbine runner and a stators said structure comprising:a transmission having an input shaft connected to said turbine runner and supported rotatably by a casing; a stator shaft situated about said input shaft and having a plurality of oil passageways formed along it for supplying oil into said torque converter and removing it therefrom; and a pump impeller boss member connected to said pump impeller and situated about said stator shaft and having an outer periphery supported rotatably by a bearing-on said transmission casing; said stator shaft including an inner cylindrical portion situated about said input shaft and an outer cylindrical portion mounted on said inner cylindrical portion and connected to said casing, said oil passageways being formed between the outer periphery of said inner cylindrical portion and the inner periphery of said outer cylindrical portion.