Device for tensioning the grate chains of traveling grids
DE686149C
Preheating device for steep tube boiler
DE657920C
Method and device for keeping the steam outlet temperature constant with contact-heated superheaters for steam boiler systems
DE626526C
Underwind traveling grate with zoning for the combustion air and moving wind chambers
DE626734C
Smoke tube boiler with two horizontal tube bundles consisting of bent tubes
DE557091C
Grate bar cleaning device for traveling grids
DE489552C
Steep tube boiler heated with coal dust, gas or oil with a circular cylindrical combustion chamber enclosed by the connecting tubes of the boiler drums and aligned with the latter
DE438276C
Water tube boiler with protective device for the connection points of the boiler tubes with the upper drums
DE460285C
Suspended ceilings with ceiling stones for firings suspended from beams
DE482629C
Roller bearing with one or more insulated saddles
DE461625C
Grate bar with exchangeable burning path for traveling grates and other furnace grates
