FORWARD STEPLESS SPEED CHANGING DEVICE AND METHOD THEREOF

WIPO Patent Application WO/2010/091601

A1

A forward stepless speed changing device and method thereof are provided. The forward stepless speed changing device consists of a stepless speed changing device (1) and a double-torque transmission device (2). The stepless speed changing device (1) consists of a differential gear train. The double-torque transmission device (2) consists of a driving wheel (25), a driving shaft (23), a lever cambered shaft (39), a universal transmission bearing seat (37), a resistance shaft (9), a stepless speed regulating device (24) and a driven wheel (7). Under a constant power, the torque of a power source acts on the two mutually vertical axial directions of the double-torque transmission device (2), one of which leads the stepless speed changing device (1) to output a torque to the outside, and the other of which realizes running at a constant speed in a way that the resultant external torque generated by the double-torque transmission device (2), the stepless speed changing device (1) and a load is zero. Forward stepless speed changing can be realized by adjusting the transmission ratio of the double-torque transmission device (2). The device has higher efficiency, and can save the manufacturing cost. The universal transmission bearing seat (37) is also provided.

CHEN MAOSHENG (CN)

PCT/CN2010/000223

August 19, 2010

February 20, 2010

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CHEN MAOSHENG (CN)

F16H35/00; F16C35/00; F16M11/14

CN101225876A	2008-07-23
CN201407328Y	2010-02-17
CN101482162A	2009-07-15
CN1147607A	1997-04-16
CN1094574C	2002-11-20
US4841795A	1989-06-27
GB2094440A	1982-09-15

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