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Heater for greenhouses, which essentially is characterized by two evacuation bells located concentrically to each other, the first of these bells or interior, and enroled on its external surface, a coil connected by one of its ends to a fuel tank and, by its free end a burner nozzle that is introduced in the zone of the hearth of this first bell, producing the ignition of the pulverized fuel in the nozzle by the flames produced when burning a new easily inflammable fuel located in the base of the bell, allowing the second of these bells, or outside, a forced circulation or not of air between both, circulation that will allow the greenhouse to warm up. (Machine-translation by Google Translate, not legally binding)
Improvements introduced in the control devices of the flame of the burners, especially of gas. (Machine-translation by Google Translate, not legally binding)
Accumulator for water heated by combustible fuel - has heating medium passages extending through base which covers space formed by projecting portion of sleeve