Reversing valve

Details Reversing valve Reversing valve

1985-07-24

1987-05-12

Cohan, Alan

Fluid handling

With cleaner, lubrication added to fluid or liquid sealing...

Liquid supplied at valve interface

13724622, F16K 522

Patent

active

046641408

ABSTRACT:
There is disclosed a reversing valve for use with a regenerative coke oven, in which the valve cock is lubricated, having four spaced longitudinally extending lubrication grooves that communicate with lubrication means when the valve is in one of its desired end positions, either open or closed. In a preferred embodiment, means are also provided for introducing degraphitizing air into the grooves, in certain positions of the valve cock.

REFERENCES:
patent: 1755406 (1930-04-01), Nordstrom
patent: 1937122 (1933-11-01), Leach
patent: 2145628 (1939-01-01), Milliken
patent: 3094136 (1963-06-01), Bredtschneider et al.
patent: 3183925 (1965-05-01), Hoyle et al.
patent: 4498498 (1985-02-01), Martinez-Vera et al.

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