Worthington Compressors, Inc.

Edison International, Inc.

Thomas E Mayer

Richard A McCarthy

John N Story

A Hunt Davis

Ronald W Beyer

George Yokota

A valve having a plurality of movable, coaxially arranged annular plates is characterized by the use of fiber reinforced plate members having a thickness of greater than 0.2 inches and, in a preferred embodiment, a thickness to width ratio in excess of 0.5. A valve in accordance with the present invention is also characterized by the ratio of the number of biasing springs associated with each plate to the mean diameter of the plate being greater than 1.2 per inch.

Plate valve

A plate valve is presented in which flow losses are reduced and effective flow area is maximized by establishing a ratio of effective seat area (Fs) to area between the plates (Fb) such that Fs/Fb is between 0.4 and 0.8. The spacing between plates is higher compared to the width of the plates than in the prior art, and the width of the plates may decrease for plates of increasing diameter.

A feather valve is presented having shock absorbing strips in the guard section to absorb impact loads and dampen vibration of the feather strips.

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Tonawanda, NY, United States of America

Thomas E Mayer