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Class Information
Number: 122/414
Name: Liquid heaters and vaporizers > Feed heaters > Boiler circuit > Feed-injected
Description: Subject matter in which a conduit is in circuit with a boiler, with means for introducing feed water into the circuit, thereby mixing the feed with the boiler water before introduction.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7178485 |
Steam generator that includes a feedwater delivery device |
Feb. 20, 2007 |
| 6938583 |
Blowdown heat recovery |
Sep. 6, 2005 |
| 6708651 |
Feedwater apparatus |
Mar. 23, 2004 |
| 6526921 |
Method for operating a closed hot-water installation and apparatus to be used therewith |
Mar. 4, 2003 |
| 6237543 |
Sealing-steam feed |
May. 29, 2001 |
| 6196163 |
Boiler feed water heat energy saver |
Mar. 6, 2001 |
| 5419285 |
Boiler economizer and control system |
May. 30, 1995 |
| 5334291 |
On-site, controlled waste concentrator and solvent regenerator apparatus |
Aug. 2, 1994 |
| 5027750 |
Heat exchanger for suspension of liquid drops in a vapor |
Jul. 2, 1991 |
| 4679529 |
Steam generator feed water heater |
Jul. 14, 1987 |
| 4660510 |
Model steam generator having a thermosyphon heating means |
Apr. 28, 1987 |
| 4582027 |
Economizer recirculation for low-load stability in heat recovery steam generator |
Apr. 15, 1986 |
| 4573323 |
Steam generating apparatus and methods |
Mar. 4, 1986 |
| 4497283 |
Boiler control |
Feb. 5, 1985 |
| 4457266 |
Boiler control |
Jul. 3, 1984 |
| 4393816 |
Thermodynamic method for steam-water separation |
Jul. 19, 1983 |
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