公开(公告)号：US3587783A

公开(公告)日：1971-06-28

申请号：US3587783D

申请日：1969-11-28

Applicant: GEN MOTORS CORP

Inventor： WALTERS LESLIE K ,  HARTMAN LEE E

IPC: F16H3/091 ,  F16H57/04 ,  F16H63/32 ,  F01M9/06 ,  F16N7/26

CPC classification number: F16H63/32 ,  F16H3/0915 ,  F16H57/0432 ,  F16H57/0494 ,  F16H2063/3079

Abstract: SYNCHRONIZED TRANSMISSION HAVING A FIRST-SECOND SHIFTER FORK WITH A LUBRICANT-DIRECTING WALL ON ITS INNER SURFACE WHICH COOPERATES WITH A REVERSE GEAR MOUNTED ON THE MAIN SHAFT TO FORM A PUMP FOR PUMPING TRANSMISSION LUBRICATING OIL TO THE FIRST GEAR AREA WHEN THE REVERSE GEAR IS ROTATING. THERE IS ALSO A THREE-FOUR SHIFTER FORK HAVING LUBRICANT-DIRECTING WALLS ON ITS INNER SURFACE WHICH DIRECT LUBRICATING OIL COMING OFF OF THE SECOND AND THIRD SPEED GEARS AND THE COUNTERSHAFT GEAR ONTO THE MAIN SHAFT TO LUBRICATE THE MAIN SHAFT AND OTHER TRANSMISSION COMPONENTS.