Railway truck magnetic suspension method

Details Railway truck magnetic suspension method Railway truck magnetic suspension method

1974-08-01

1976-02-24

Wood, Jr., M. Henson

Railways

Slotted conduit

Yokes

105197R, 105206R, 267182, 308 10, B61F 504, B61F 552, F16C 3906, F16F 600

Patent

active

039397785

ABSTRACT:
An improved method for providing non-contact active support between the unsprung and the sprung elements of a railway truck as well as lateral stability and banking of vehicles used in surface supported transportation systems having unsprung surface contacting elements, sprung load carrying elements, magnetic force fields, inertial and position sensing elements mounted on the sprung element and a non-linear feedback circuit for actively varying the strength of the force field to maintain a relatively stable air gap between the unsprung and sprung elements while also holding the sprung element to a smooth course not withstanding irregular surface conditions encountered by the surface contacting elements or variations in loading on the load carrying element.

REFERENCES:
patent: 408465 (1889-08-01), Dewey
patent: 833635 (1906-10-01), Rogers
patent: 1081260 (1913-12-01), Zoelly
patent: 1331039 (1920-02-01), Zoelly
patent: 3215901 (1965-11-01), Carniol
patent: 3512852 (1970-05-01), North
patent: 3579132 (1971-05-01), Ross
patent: 3631806 (1972-01-01), Barthalon
patent: 3638093 (1972-01-01), Ross
patent: 3663075 (1972-05-01), Kronenberg
patent: 3849724 (1974-11-01), Ghibu et al.

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