Bellows with annular volume fillers

Expansible chamber devices – Bellows type expansible chamber – With separate ring-like reinforcing element abutting pleat

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Details

92 34, F01B 1900

Patent

active

053179552

ABSTRACT:
In a flexible bellows used to implement some change of volume, material is added inside of the convolution walls to reduce the clearance volume associated with the fully compressed mode. For gas compression applications, this combination of bellows walls and independently-added filling material not only improves the volume and compression ratios available but also provides an opportunity to design for lower stress and longer life.

REFERENCES:
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patent: 4703622 (1987-11-01), Raser
Becht, C. et al: Metallic Bellows and Expansion Joints: Part II, 1984, p. 24, FIG. 1 published by the American Society of Mechanical Engineers, 345 E 47th Street, N.Y., N.Y. 10017.
Graham, H. et al: Standards of the Expansion Joint Manufacturers Association, 1985, 25 N. Broadway, Tarrytown, N.Y. 10591, p. 98. Also, p. 91 of these standards shows typical reinforcing rings manufactured by Johnson Controls.

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