Planetary gear transmission systems or components – Planetary gearing or element – Floating or flexible coupling or support
Patent
1995-08-14
1997-04-01
Wright, Dirk
Planetary gear transmission systems or components
Planetary gearing or element
Floating or flexible coupling or support
384308, B02C 1500
Patent
active
056160984
ABSTRACT:
A reduction mechanism for mill comprises a planetary gear train comprising a sun gear, planet gears, an internal gear and a carrier for supporting the planet gears; an input shaft for feeding power; a sun gear shaft on which the sun gear is mounted; an intermediate shaft interposed between the sun gear shaft and the input shaft; an output table for transferring rotary power; a thrust bearing for supporting the output table; and a case for enveloping the planet gear train and the thrust bearing. A tilting pad type bearing is used for the thrust bearing. The thrust supporting portion of the tilting pad type bearing is formed spherically. The center of the spherical surface is positioned between inside and outside diameters of a vertical portion of the case which receives a thrust force.
REFERENCES:
patent: 1378545 (1921-05-01), Kingsbury
patent: 3829180 (1974-08-01), Gardner
patent: 4103979 (1978-08-01), Kuhn
patent: 4471671 (1984-09-01), Sigg
patent: 4738550 (1988-04-01), Gardner
Japanese Patent Unexamined Publication No. 3-282045.
"Reduction Mechanism for Vertical Pulverizer" described in Industrial Machinery (Dec., 1983).
Agata Hiroshi
Katayama Masanori
Hitachi , Ltd.
Wright Dirk
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