Improvements in Steam Generators for Gas Producers.

摘要

21,553. Pierson, O. G., and Soc. J. & O. G. Pierson. Sept. 24, 1912, [Convention date]. [Addition to 14,531/07.] Annular boilers.-In a boiler for use with a gas-producer and of the kind described in the parent Specification, a dome b is extended to form a cylindrical portion which is integral with the body of the producer and passes into a water-trough d. Instead of forming a cylinder a of cast iron, it is made of a more highly resistant material, for example of sheet iron or steel.