F22D 1/00
|
Feed-water heaters, e.g. preheaters |
F22D 1/02
|
Feed-water heaters, e.g. preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways |
F22D 1/04
|
Feed-water heaters, e.g. preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways the tubes having plain outer surfaces, e.g. in vertical arrangement |
F22D 1/06
|
Feed-water heaters, e.g. preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways the tubes having plain outer surfaces, e.g. in vertical arrangement in horizontal arrangement |
F22D 1/08
|
Feed-water heaters, e.g. preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways the tubes having fins, ribs, gills, corrugations, or the like on their outer surfaces, e.g. in vertical arrangement |
F22D 1/10
|
Feed-water heaters, e.g. preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways the tubes having fins, ribs, gills, corrugations, or the like on their outer surfaces, e.g. in vertical arrangement in horizontal arrangement |
F22D 1/12
|
Control devices, e.g. for regulating steam temperature |
F22D 1/14
|
Safety or venting devices |
F22D 1/16
|
Feed-water heaters, e.g. preheaters with water tubes arranged otherwise than in the boiler furnace, fire tubes, or flue ways |
F22D 1/18
|
Feed-water heaters, e.g. preheaters with water tubes arranged otherwise than in the boiler furnace, fire tubes, or flue ways and heated indirectly |
F22D 1/20
|
Feed-water heaters, e.g. preheaters with water tubes arranged otherwise than in the boiler furnace, fire tubes, or flue ways and directly connected to boilers |
F22D 1/22
|
Feed-water heaters, e.g. preheaters with water tubes arranged otherwise than in the boiler furnace, fire tubes, or flue ways and provided for rotary movement |
F22D 1/24
|
Feed-water heaters, e.g. preheaters with fire tubes or flue ways traversing feed-water vessels |
F22D 1/26
|
Feed-water heaters, e.g. preheaters with means, other than tubes, to separate water and heating medium, e.g. bulk heaters without internal flues or tubes, jacketted smoke-boxes or flues |
F22D 1/28
|
Feed-water heaters, e.g. preheaters for direct heat transfer, e.g. by mixing water and steam |
F22D 1/30
|
Feed-water heaters, e.g. preheaters for direct heat transfer, e.g. by mixing water and steam with stages, steps, baffles, dishes, circular troughs, or other means to cause interrupted or cascading fall of water |
F22D 1/32
|
Feed-water heaters, e.g. preheaters arranged to be heated by steam, e.g. bled from turbines |
F22D 1/34
|
Feed-water heaters, e.g. preheaters arranged to be heated by steam, e.g. bled from turbines and returning condensate to boiler with main feed supply |
F22D 1/36
|
Water and air preheating systems |
F22D 1/38
|
Constructional features of water and air preheating systems |
F22D 1/40
|
Combinations of exhaust-steam and smoke-gas preheaters |
F22D 1/42
|
Feed-water heaters, e.g. preheaters specially adapted for locomotives |
F22D 1/44
|
Smoke-gas preheaters |
F22D 1/46
|
Exhaust-steam preheaters |
F22D 1/48
|
Feed-water heaters, e.g. preheaters specially adapted for locomotives - Details |
F22D 1/50
|
Feed-water heaters, e.g. preheaters incorporating thermal de-aeration of feed-water |
F22D 3/00
|
Accumulators for preheated water |
F22D 3/02
|
Accumulators for preheated water arranged within combustion chambers |
F22D 3/04
|
Accumulators for preheated water combined with steam accumulators |
F22D 3/06
|
Accumulators for preheated water directly connected to boilers |
F22D 3/08
|
Accumulators for preheated water specially adapted for locomotives |
F22D 3/10
|
Control devices |
F22D 5/00
|
Controlling water feed or water level; Automatic water feeding or water-level regulators |
F22D 5/02
|
Controlling water feed or water level; Automatic water feeding or water-level regulators with an intermediate compartment from which the water is fed by gravity after mechanically moving the compartment, the movement being controlled according to water level |
F22D 5/04
|
Controlling water feed or water level; Automatic water feeding or water-level regulators with pivoting buckets |
F22D 5/06
|
Controlling water feed or water level; Automatic water feeding or water-level regulators with receptacles external to, but in free communication with, the boilers and adapted to move up and down in accordance with change in water level |
F22D 5/08
|
Controlling water feed or water level; Automatic water feeding or water-level regulators with float-actuated valves |
F22D 5/10
|
Controlling water feed or water level; Automatic water feeding or water-level regulators with float-actuated valves and with pistons or membranes unitary with the feed inlet valves |
F22D 5/12
|
Controlling water feed or water level; Automatic water feeding or water-level regulators with float-actuated valves and with dipping tubes |
F22D 5/14
|
Controlling water feed or water level; Automatic water feeding or water-level regulators responsive to thermal expansion and contraction, e.g. of solid elements |
F22D 5/16
|
Controlling water feed or water level; Automatic water feeding or water-level regulators responsive to thermal expansion and contraction, e.g. of solid elements of fluids |
F22D 5/18
|
Controlling water feed or water level; Automatic water feeding or water-level regulators for varying the speed or delivery pressure of feed pumps |
F22D 5/20
|
Controlling water feed or water level; Automatic water feeding or water-level regulators for varying the speed or delivery pressure of feed pumps without floats |
F22D 5/22
|
Controlling water feed or water level; Automatic water feeding or water-level regulators for varying the speed or delivery pressure of feed pumps with floats |
F22D 5/24
|
Controlling water feed or water level; Automatic water feeding or water-level regulators with electric switches |
F22D 5/26
|
Automatic feed-control systems |
F22D 5/28
|
Automatic feed-control systems responsive to steam pressure |
F22D 5/30
|
Automatic feed-control systems responsive to both water level and amount of steam withdrawn or steam pressure |
F22D 5/32
|
Automatic feed-control systems influencing the speed or delivery pressure of the feed pumps |
F22D 5/34
|
Applications of valves |
F22D 5/36
|
Automatic feed-control systems for feeding a number of steam boilers designed for different ranges of temperature and pressure |
F22D 7/00
|
Auxiliary devices for promoting water circulation |
F22D 7/02
|
Saddles or like directing plates fitted to furnace tubes |
F22D 7/04
|
Injectors for water or steam |
F22D 7/06
|
Rotary devices, e.g. propellers |
F22D 7/08
|
Arrangements of pumps, e.g. outside the boilers |
F22D 7/10
|
Arrangements of pumps, e.g. outside the boilers within the boilers |
F22D 7/12
|
Control devices |
F22D 7/14
|
Auxiliary devices for promoting water circulation specially adapted for locomotive boilers |
F22D 11/00
|
Feed-water supply not provided for in other main groups |
F22D 11/02
|
Arrangements of feed-water pumps |
F22D 11/04
|
Arrangements of feed-water pumps with means to eliminate steam formation |
F22D 11/06
|
Arrangements of feed-water pumps for returning condensate to boiler |