Stepless automatic variable transmission

Details Stepless automatic variable transmission Stepless automatic variable transmission

1995-02-24

1996-01-16

Bonck, Rodney H.

Planetary gear transmission systems or components

Fluid drive or control of planetary gearing

Impeller-turbine type fluid circuit in series with planetary...

475221, 475275, 475330, F16H 3706

Patent

active

054843448

ABSTRACT:
A stepless automatic variable transmission with gears in a state of constant meshing which is operational without the need for disengaging or changing the gears such that the rotational output power can be varied to effect a neutral, low speed, medium speed, high speed, overdrive or reverse rotation by selecting a stepless automatic speed change method or a manual speed change method, and which includes a speed change system, an overdrive system and a speed change controlling system.
The assembly of speed change system, the overdrive system and the speed change controlling system can vary with each of the systems combined to result in numerous stepless automatic variable transmissions. To effect speed changes low speed, medium speed, overdrive, and reverse rotation brake devices are used. Also, either the manual speed change method or the automatic speed change method can be elected.

REFERENCES:
patent: 2239973 (1941-04-01), Ravigneaux
patent: 2775144 (1956-12-01), Kelbel
patent: 3006217 (1961-10-01), Dodge
patent: 3063309 (1962-11-01), Grattan
patent: 3648544 (1972-03-01), Tanaka
patent: 4056986 (1977-11-01), Hobbs
patent: 4658672 (1987-04-01), Michael
patent: 5062823 (1991-11-01), Ra et al.
patent: 5326334 (1994-07-01), Ra et al.

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