Matches 51 - 57 out of 57 < 1 2
Match Document Document Title
4316434 Method and apparatus for improving heat transfer  
Method and apparatus for improving convective heat transfer by mechanically stirring fluid over the outer surface of a heat exchanger. A stirring mechanism is described which revolves rapidly...
4266513 Flue heat exchanger  
A flue heat exchanger particularly adapted for use in a water heater tank comprising a plurality of segments of a metallic or non-metallic non-friable refractory material randomly packed within a...
4263878 Boiler  
A boiler for heating liquid which combines a source of hot gases directed first along the inner wall of an annular tank in a tortuous path formed by fins disposed upon the inner wall and then along...
4157706 Water heater  
A water heater capable of utilizing as one of its heat sources hot exhaust gases emitted from at least one other heat source such as a furnace fueled by a natural resource fuel such as gas or oil,...
4044796 Turbulator  
A turbulator formed of a strip of metal into a series of alternating deflection panels successively joined together by bridging sections with the deflection panels along the length of the strip...
3065745 Heating device for small caloric requirements  
0989881 Title is not available  
Matches 51 - 57 out of 57 < 1 2