Improvements in Devices for Automatically Feeding Boilers and Maintaining the Water-level therein.

摘要

11,899. Kieffer, G. May 22, 1906, [date applied for under Patents Act, 1901]. Feed-water, controlling.-The by-pass h in the feed-pipe a is kept closed, when the feed-valve c is opened by the float d, by the pressure of steam in the boiler, and an adjustable spring i on the upper side of the piston g.