Apparatus for equalizing radial load on plurality of pivoted bea

Details Apparatus for equalizing radial load on plurality of pivoted bea Apparatus for equalizing radial load on plurality of pivoted bea

1974-09-25

1976-10-05

Wood, Jr., M. H.

Cutlery

308116, F16C 1102

Patent

active

039841596

ABSTRACT:
An apparatus for equalizing the radical load on the pivoted bearing pads of a journal bearing which comprises in excess of two pivoted bearing pads, say four or five pivoted bearing pads, for example.
In a preferred embodiment, the total number of bearing pads is an even number (4, 6, etc.) and the two centrally located bearing pads relative to the span of the plurality of bearing pads in a circumferential direction are radially fixed in position. The remaining bearing pads are mounted on supports which are radially adjustable. A mechanical adjusting means is provided for separately radially adjusting the support for each of the radially adjustable bearing pads. The supports for the respective radially adjustable bearing pads are radially adjusted until an equalization is reached between the high pressure oil film pressures at the interfaces between all of the respective bearing pads (including the radially fixed bearing pads) and the rotating journal.
It may be desirable under certain conditions to purposely provide a differential oil pressure setting for certain of the bearing pads at the time of initial adjustment to allow for anticipated operational changes which may occur after operational equilibrum conditions are reached.
When the total number of bearing pads is an odd number (5, 7, etc.), the support surface for the lowermost and centrally located bearing pad is radially adjustable, and two bearing pads symmetrically located about the lowermost bearing pad and having radially fixed support surfaces are used, one lying contiguous the lowermost centrally located bearing pad on either side thereof. The remaining bearing pads are radially adjustable.

REFERENCES:
patent: 3241895 (1966-03-01), Fisher
patent: 3304139 (1967-02-01), Toth et al.
patent: 3431034 (1969-03-01), Saunjers
patent: 3604767 (1971-09-01), Decker
patent: 3733108 (1973-05-01), Petros
patent: 3918770 (1975-11-01), Rouch

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