FRICTION ROLLER SPEED INCREASER

Title:

FRICTION ROLLER SPEED INCREASER

Document Type and Number:

WIPO Patent Application WO/2016/093335

Kind Code:

A1

Abstract:

A friction roller speed increaser (100) is provided with a high-speed shaft (11), a ring roller (21), a low-speed shaft (13), at least one fixed roller (15), at least one movable roller, and a casing (23) covering the peripheries of the rollers. A bearing unit (45), having a cylindrical bearing housing (51) into which the high-speed shaft (11) is inserted, bearings (53, 55) for rotatably supporting the high-speed shaft (11) on the inner periphery of the bearing housing (51), and an oil seal (59) provided to one end of the bearing housing (51) and closing an inside space including the bearings, is supported in a floating manner so as to move freely in the diametrical direction of the high-speed shaft (11) within a unit accommodation part (47) formed in the casing (23).

Inventors:

HIKIDA MASAFUMI (JP)
MATSUDA YASUYUKI (JP)
MORITA RYUHO (JP)
MAEJIMA HIROKI (JP)

Application Number:

PCT/JP2015/084751

Publication Date:

June 16, 2016

Filing Date:

December 11, 2015

Export Citation:

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Assignee:

NSK LTD (JP)

International Classes:

F16H13/08; F16C35/077; F02B33/40; F02B39/04

Domestic Patent References:

WO2007074595A1

2007-07-05

Foreign References:

JP2001234995A	2001-08-31
JP2004332822A	2004-11-25
JP2005140309A	2005-06-02
JPS62108656U	1987-07-11

Other References: