Fluid coupling

Details Fluid coupling Fluid coupling

1997-12-24

2000-05-16

Nguyen, Hoang

Power plants

Pressure fluid source and motor

Coaxial impeller and turbine unit

60331, F16D 3300

Patent

active

060620218

ABSTRACT:
A fluid coupling includes an input shaft having a speed-increasing gear train, an impeller operatively connected to the input shaft, an impeller casing fixed to the impeller, and an output shaft having a runner operatively combined with the impeller. The impeller, the runner and the impeller casing jointly define a working fluid chamber. The impeller casing and the impeller are made of a material having a small specific gravity and a high allowable stress range for reducing centrifugal stresses developed therein when the impeller casing rotates at high speeds. The material may be a titanium alloy or an aluminum alloy.

REFERENCES:
patent: 3919844 (1975-11-01), Elderton
patent: 4273512 (1981-06-01), Weiler
patent: 4608823 (1986-09-01), Maze
patent: 4641549 (1987-02-01), Muller
patent: 4671061 (1987-06-01), Elderton
patent: 4726185 (1988-02-01), Shigemasa et al.
patent: 4949821 (1990-08-01), Murota et al.
patent: 5431536 (1995-07-01), By et al.
patent: 5431752 (1995-07-01), Brogle et al.
patent: 5518368 (1996-05-01), Egert
patent: 5822987 (1998-10-01), Tsukamoto et al.

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