Spring assembly for a high pressure thrust bearing

Details Spring assembly for a high pressure thrust bearing Spring assembly for a high pressure thrust bearing

1978-04-21

1979-09-18

Butler, Douglas C.

Cutlery

F16C 1706

Patent

active

041681010

ABSTRACT:
A high pressure thrust bearing assembly having a rotatable runner ring mounted in sliding relationship on a plurality of flexible thrust plates, which in turn are resiliently supported on a plurality of spring subassemblies positioned between the thrust plates and an angular base member in the assembly, is characterized by having a plurality of Belleville spring discs mounted in each of the spring subassemblies. The spring discs are supported in coaxial relation on a screw, between a first and a second washer in each of the spring subassemblies, in a manner such that the spring discs are pre-compressed between the washers to bias them away from one another with a constant biasing force. Furthermore, the spring discs are arranged in cooperating pairs in the coaxial relationship so that the endmost discs have their respective concave sides abutting the closest washer thereto while the remaining pairs of discs are arranged to place the discs in alternately reversed relationship or in preselected parallel and series arrangements within given spring subassemblies thereby to selectively establish the stiffness of the spring subassemblies.

REFERENCES:
patent: 2191901 (1940-02-01), Wallgren
patent: 2225835 (1940-12-01), Howarth
patent: 2708110 (1955-05-01), Clay
patent: 3033619 (1962-05-01), Ertl et al.
patent: 3113755 (1963-12-01), Stevens et al.
patent: 3375000 (1968-03-01), Seamands et al.
patent: 3873079 (1975-03-01), Kuns
patent: 4035042 (1977-07-01), O'Rourke et al.

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