Continuously variable transmission

Details Continuously variable transmission Continuously variable transmission

1993-05-03

1995-02-21

Look, Edward K.

Machine element or mechanism

Mechanical movements

Rotary to intermittent unidirectional motion

74119, F16H 2904

Patent

active

053905580

ABSTRACT:
An input shaft includes a cam configured to have a variable diameter profile. An oscillating arm tracks the cam profile. Oscillating motion of the arm is converted by roller clutches back to rotary motion. Speed variation is accomplished by moving the arms axially so that they contact the cam at points of varying cam diameter. The cam is configured to eliminate torque surges at all speed ratios, resulting in smooth delivery of torque under all conditions. An appropriate cam surface providing this result is disclosed.

REFERENCES:
patent: 954453 (1910-04-01), Morse
patent: 1306330 (1919-06-01), Drew
patent: 1497445 (1924-06-01), Janssen
patent: 2066758 (1937-01-01), Bassoff
patent: 2159739 (1939-05-01), Johnson
patent: 2510749 (1950-06-01), Lotts
patent: 2554463 (1951-05-01), Klamp
patent: 3087355 (1963-04-01), Bassereau
patent: 3442157 (1969-05-01), Novinger
patent: 4909101 (1990-03-01), Terry, Sr.
patent: 4936155 (1990-06-01), Gogins

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