Boiler and an ordinary type hot water device in accordance with a combustion method utilizing cooling combustion method of combustion gas in addition to uniform heat distribution method

Claim 1

A VAPOR GENERATOR COMPRISING A VERTICALLY ORIENTED SHELL DEFINING A HOLLOW PORTION IN THE INTERIOR THEREOF; A HEAT ABSORBING BODY HAVING AN INWARDLY DEPRESSED CONCAVE FORM DISPOSED WITHIN AND SPACED FROM SAID SHELL DEFINING A FLUID REGION THEREBETWEEN, SAID FLUID REGION INCLUDING A PERIPHERAL FLUID REGION PORTION ABOUT SAID HEAT ABSORBING BODY, AN INNER BODY DISPOSED WITHIN SAID HEAT ABSORBING BODY AND DEFINING AN INTERIOR HEATING GAS CHAMBER THEREIN, AND DEFINING THEREABOUT A PERIPHERAL HEATING GAS SPACE BETWEEN SAID INNER CYLINDER AND SAID HEAT ABSORBING BODY, SAID INNER BODY DEFINING AN OPENING AT THE TOP THEREOF COMMUNICATING SAID INTERIOR HEATING GAS CHAMBER WITH SAID PERIPHERAL HEATING GAS SPACE, SAID INNER BODY INCLUDING A CONDUIT COMMUNICATING WITH SAID FLUID REGION, MEANS FOR PASSING A VAPORIZABLE FLUID INTO SAID CONDUIT, MEANS FOR PROVIDING A HEATING GAS IN SAID INTERIOR HEATING GAS CHAMBER AT THE BOTTOM THEREOF, FLUE GAS EXIT MEANS COMMUNICATION WITH SAID PERIPHERAL FLUID REGION PORTION FOR REMOVING SAID HEATING GAS FROM SAID PERIPHERAL FLUID REGION PORTION AT THE BOTTOM THEREOF, AND SAID INNER BODY DISPOSED WITHIN SAID HEAT ABSORBING BODY CLOSER TO SAID HEAT ABSORBING BODY ADJACENT SAID FLUE GAS EXIT MEANS THAN AT PORTIONS REMOTE FROM SAID FLUE GAS EXIT MEANS.