Title:
Symmetrical type traction drive
Document Type and Number:
Japanese Patent JP5985505
Kind Code:
B2
Abstract:
Disclosed is a symmetrical traction drive that utilizes multi-diameter rollers having traction surfaces for transferring rotational mechanical energy between the shaft and a transfer gear. Multi-diameter rollers are mounted in carriers disposed between two substantially symmetrical ring gears. Sloped traction surfaces of the ring gears mate with inner traction surfaces on both sides of the multi-diameter rollers. Since force is applied to the inner traction surfaces on both sides of the multi-diameter rollers, forces are substantially equalized on each side of the multi-diameter rollers. An outer traction surface of the multi-diameter roller interfaces with a traction surface on the shaft. Speed reduction ratios of at least 20:1 or greater can be achieved. The high speed drive may include exhaust turbines, steam turbines, including a Tesla turbine or Schumacher turbine, compressors, combinations of turbines and compressors, high speed pumps, dentist drills, or other devices that operate with high rotational speed.
Inventors:
Cheryl, Liang
Holman, sterling
Vandyne, Ed
Penford, Wayne
Holman, sterling
Vandyne, Ed
Penford, Wayne
Application Number:
JP2013546449A
Publication Date:
September 06, 2016
Filing Date:
December 23, 2011
Export Citation:
Assignee:
Vandyne Super Turbo, Incorporated
International Classes:
F16H13/08; F16H57/04
Domestic Patent References:
| JP51137063A | ||||
| JP2009138924A | ||||
| JP59195240U | ||||
| JP2010025237A | ||||
| JP5157148A |
Foreign References:
| US20100031935 |
Attorney, Agent or Firm:
Ippei Watanabe
Koji Kikawa
Hiroyuki Sato
Shigeru Koike
Koji Kikawa
Hiroyuki Sato
Shigeru Koike
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