Liquid heaters and vaporizers inventions 04/06

20060081198 - Water heater with air intake and exhaust system: A water heater including a water container; a combustion chamber adjacent the water container; a burner associated with the combustion chamber; a blower assembly located to receive combustion products generated by the burner; an intake conduit sealingly connected to the combustion chamber and having a combustion air intake opening located...

20060081199 - Dual pressure recovery boiler: A dual pressure boiler system has a bottom furnace that operates as a low pressure natural steam generating system and a top furnace that operates as a high pressure natural steam generating system. The low pressure natural steam generating system has a low pressure steam drum, a first pump for...

20060075976 - Heat-recovery boiler: The invention relates to a heat-recovery boiler (3) consisting of a tube bundle heat exchanger (7) which is incorporated into a pressure vessel (2) downstream of a gasification device. Displacement bodies (9) are inserted into pipes which are flowed around by hot process gas. According to said invention, in order...

20060075977 - Steam generator: A stream generator wherein a continuous evaporating heating surface is disposed in a heating gas duct through which a heating gas flows in an approximately horizontal manner. The continuous evaporating heating surface comprises a plurality of steam-generating pipes which are connected in a parallel manner enabling flowthrough of a flow...

20060070585 - Low nox water heater with serpentined air entry: A fuel-fired low NOx water heater extending along a vertical axis has a radiant fuel burner disposed in its combustion chamber. The entire burner combustion air quantity is delivered to the burner from outside the combustion chamber via a horizontally serpentined flow path extending through an internal portion of the...

20060070586 - Steam generator that includes a feedwater delivery device: The steam generator includes a feedwater delivery device at an upper axial end of an annular space between an outer shell and a bundle wrapper of the steam generator. The feedwater, delivery device includes a header (11) having a shell of toroidal general shape, at least one feed pipe for...