Seal assembly

Power plants – Combustion products used as motive fluid – Combined with regulation of power output feature

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Details

60 3932, 60752, F02C 720

Patent

active

053334434

ABSTRACT:
A seal assembly includes first and second segments spaced from a frame and defining between each other an elongate lateral gap. A plurality of radially adjoining leaf seals bridge the lateral gap between the segments and are supported by a plurality of spaced apart pins, with each pin having an enlarged head on one side of the frame and a root on an opposite side of the frame fixedly joined to a bottom one of the leaf seals. A compression spring is disposed around each of the pins between the frame and a top one of the leaf seals for urging the top leaf seal toward the bottom leaf seal to seal flow radially therebetween and between adjacent support pins, and for urging the bottom leaf seal in sealing contact with the first and second segments to seal flow radially therebetween through the lateral gap.

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patent: 4912922 (1990-04-01), Maclin
patent: 4916892 (1990-04-01), Pope

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