Supporting wall structure of toroidal type infinitely variable a

Details Supporting wall structure of toroidal type infinitely variable a Supporting wall structure of toroidal type infinitely variable a

1998-04-24

1999-11-02

Marmor, Charles A

Planetary gear transmission systems or components

Planet pinion is friction gear

Variable speed ratio

74606R, 476 40, 475216, F16H 1548, F16H 5702

Patent

active

059760494

ABSTRACT:
In a toroidal type infinitely variable automatic transmission comprising an oil pump mounted on a transmission case, first and second toroidal transmission mechanisms disposed within the case and having input and output disks for transmitting a rotational force through a tiltable friction roller, a forward and backward change-over mechanism positioned between the transmission mechanism and the oil pump and disposed within the case, for changing over between forward and backward operations of the transmission mechanism through a planetary gear mechanism by manipulation of forward and backward clutches, and a supporting wall positioned between the forward and backward change-over mechanism and the transmission mechanism and disposed within the case, for receiving a thrust force exerted towards a transmission mechanism side by the planetary gear mechanism, an extension member is provided on a side portion of the oil pump to extend within the case towards a transmission mechanism side, and the supporting wall is mounted on the extension member at a position opposing to a carrier plate of the planetary gear mechanism.

REFERENCES:
patent: 5248285 (1993-09-01), Nakano
patent: 5254056 (1993-10-01), Nakano
patent: 5269201 (1993-12-01), Uematsu
patent: 5483850 (1996-01-01), Yamauchi
patent: 5495778 (1996-03-01), Mochizuki
"A Primer of Automatic Transmission", published by Guranpuri, Ltd. (1995), p. 199.

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