Heating device
OwnerTheo William Boseinventor
Life of this patent
Estimating the term…
Abstract
A heating plant has a fuel container with an evaporation space or chamber from which evaporated fuel is passed to a combustion chamber. Combustion gases pass from the combustion chamber through a heating tube, for discharge, while part of said gases is fed back to the evaporation chamber. The feedback path has variable insulation or flow control to control the feedback gas temperature thus to maintain constant the amount of heat fed back, irrespective of the combustion chamber heat output. The connections of evaporation chamber to combustion chamber and evaporation chamber to heating tube, by way of the gas feedback tube, are rendered more secure by mechanical support means such as bracing struts, to resist operating and transportation stresses.
Claims24
In a heating device comprising:
- a fuel container including a cover in which a liquid fuel such as oil can be evaporated within an evaporation chamber formed by said fuel container and its cover;
- a combustion chamber connected on the fuel container, for combustion of the evaporated fuel;
- a heating tube connected to the combustion chamber, for carrying combustion gases therefrom;
- and a gas feedback means air-tightly connecting the heating tube to the evaporation chamber, for returning to the evaporation chamber a part of the combustion gases in the heating tube, thereby to cause evaporation of fuel during operation;
- the improvement wherein the gas feedback means is controllable to regulate the amount of heat introduced into the evaporation chamber by the feedback gas, thereby to maintain said amount at a substantially constant level, air-tight connections between said combustion and said evaporation chambers and between said combustion chamber and said heating tube, and wherein mechanical support means in the form of a separate framework connected at least between said fuel container of said heating tube for sustaining the respective air-tight connections between the evaporating chamber and the combustion chamber and between the heating tube and the combustion chamber, both during heating operation and also during transportation of the heating device.
Dependencies are inferred from the claim text.