Patents
Sitemap › F22 - Steam generation › F22D - Preheating, or accumulating preheated, feed-water; Feed-water supply; Controlling water level; Auxiliary devices for promoting water circulation within boilers › F22D 11 - Feed-water supply not provided for in other main groups
Patents for F22D 11 - Feed-water supply not provided for in other main groups (1,262)
06/1990
06/27/1990EP0375326A2 Determining or monitoring parameters in boiler systems
05/1990
05/30/1990CN1008210B Intelligence monitoring system of chemical process
05/29/1990CA1269622A1 Process for the treatment of boiler condensate
04/1990
04/25/1990CN1041637A Improved system for routing preseparator drains
04/17/1990CA1267819A1 System for recovering drain from feed-water heaters in a generating plant
04/05/1990WO1990003496A1 Steam boiler system
03/1990
03/27/1990US4911107 Standby cooling system for a fluidized bed boiler
03/07/1990CN2054149U Pressure type device for returning condensate water
03/06/1990US4905721 Monitoring and controlling AVT (all volatile treatment) and other treatment programs for high pressure boilers via the conductivity control method
03/06/1990US4905473 Geothermal power plant steam entrainments removal system and method
02/1990
02/27/1990US4903642 Apparatus for controlling injection of chemical liquid in boiler system
02/21/1990CN2053239U Compressor with waste steam and cooling water recovery
02/20/1990US4901532 System for routing preseparator drains
01/1990
01/24/1990EP0351751A1 Heat reclaiming system
01/11/1990WO1989012079A3 Process for preparing bitumen-rubber compositions
01/04/1990DE3823054C1 Method for emergency cooling of heating surfaces of a steam generator, and emergency cooling system for carrying out the method
12/1989
12/14/1989WO1989012079A2 Process for preparing bitumen-rubber compositions
12/13/1989CN2049312U Multifunction vertical water supply tank for boiler
11/1989
11/07/1989CA1262664A1 Method and apparatus for supplying feedwater to a forced flow boiler
08/1989
08/09/1989EP0326902A1 Pulsating steam jet pump with a heat accumulator
08/09/1989EP0326901A1 Pulsation steam jet pump with a non-return valve
08/09/1989EP0326900A1 Pulsating steam jet pump with a displacer
08/02/1989CN2042156U Low-position vacuum deoxidisation apparatus for water supply of boiler
07/1989
07/04/1989US4843824 System for converting heat to kinetic energy
05/1989
05/30/1989US4834049 Heat reclaiming system
05/23/1989US4833622 Intelligent chemistry management system
03/1989
03/09/1989DE3728834A1 System for condensate removal
02/1989
02/21/1989US4805410 Closed loop recirculation system for a working fluid with regeneration
12/1988
12/06/1988US4788823 Valve mechanism for controlling a reciprocating engine power stroke
11/1988
11/23/1988CN88210085U Small full plastic auto-changing boiler water softer
11/22/1988US4786387 Applying nonuniform electric or magnetic field
11/02/1988EP0288501A1 Intelligent chemistry management system
10/1988
10/11/1988US4776170 Device for degassing the condensate in the cycle of an electricity generating plant
10/04/1988US4775005 Method and device for the protection of steam generators, especially nuclear reactor steam generators
09/1988
09/14/1988CN87216829U Recovering device for high temp. condensing water
08/1988
08/09/1988CA1240159A1 Process for purifying and deaerating the condensate/feed water in the circulation system of a power-generating plant
07/1988
07/05/1988US4755027 Method and device for polarizing light radiation
06/1988
06/29/1988CN87210796U Closed condensing water injection circulating recovery system
05/1988
05/24/1988US4745757 Combined heat recovery and make-up water heating system
05/19/1988WO1988003633A1 Intelligent chemistry management system
05/11/1988CN87107624A Intelligence monitoring system of chemical process
04/1988
04/21/1988DE3634376A1 Method for the sequence of thermodynamic cycles
04/19/1988US4738818 Avoiding excessive primary cool-down
04/12/1988CA1235235A1 Water treatment systems
04/07/1988WO1988002274A1 Single phase enrichment of super critical fluids
03/1988
03/22/1988US4732004 Process for purifying and deaerating the condensate/feed water in the circulation system of a power-generating plant
01/1988
01/06/1988CN87200887U Automatic pressure stablizing and water supplying device for the low position expansion water tank
12/1987
12/23/1987CN86210633U Breath type vaccum oxide-remover without water tank
12/01/1987US4709664 Method for determining the existence of phosphate hideout
10/1987
10/13/1987US4698973 Closed loop solar collector system powering a self-starting uniflow engine
09/1987
09/24/1987DE3609314A1 Thermal power station, suitable for local use, for generating mechanical energy and/or process heat and/or propulsion work
09/15/1987CA1226860A1 Condensate draining system for temperature regulated steam operated heat exchangers
08/1987
08/18/1987US4687626 Passive safety device for emergency steam dump and heat removal for steam generators in nuclear power reactors
08/18/1987US4686831 System and method of delivering low/pressure/low temperature fluids into high pressure/high temperature heat exchangers by means of alternate pressure equalization
08/11/1987US4685507 Process for the staged heating of a material in a treatment apparatus and subsequent cooling thereof
08/04/1987US4683722 Charging and ejection system for rankine apparatus
07/1987
07/15/1987EP0139001B1 Boiler installation
05/1987
05/19/1987US4666662 Two separate recirculation loops
03/1987
03/31/1987US4654190 Emergency feedwater system for steam generators of a nuclear power plant
03/25/1987EP0215230A1 Device for degassing the condensate in the circuit of an electricity power unit
03/24/1987US4651530 Method and apparatus for feed-water control in a steam generating plant
03/10/1987US4648355 Heat exchanger array for a step down return of condensate
01/1987
01/27/1987US4638766 Process for the treatment of boiler condensate
01/20/1987US4637350 System for recovering drain
01/13/1987US4635468 Gas monitoring method and device
12/1986
12/30/1986EP0206587A1 Gas monitoring method and device
12/09/1986US4627241 Closed loop solar collector system powering a self-starting uniflow steam engine
11/1986
11/11/1986US4622306 Purification of water, ultraviolet radiation
10/1986
10/28/1986CA1213222A1 Magnetizable separator for the purification of liquids
09/1986
09/23/1986US4613071 Steam heating equipment with condensate vessel and return line
09/10/1986EP0194151A2 Process for the treatment of boiler condensate
09/10/1986EP0193735A1 Method and device for protecting steam generators, especially in nuclear power plants
09/02/1986US4608945 Apparatus for recirculating boiler fluid
06/1986
06/10/1986US4594160 Magnetizable separator for the purification of liquids
05/1986
05/12/1986EP0152464A4 Closed loop solar collector system powering a self-starting uniflow steam engine.
04/1986
04/29/1986US4585054 Condensate draining system for temperature regulated steam operated heat exchangers
04/23/1986EP0178750A2 Method of operating a positive displacement pump
02/1986
02/25/1986US4572112 Apparatus for feeding steam/liquid into a steam generator
12/1985
12/31/1985US4561255 Steam turbine
12/03/1985CA1197384A1 Condensation system for power plant
11/1985
11/05/1985US4550687 Apparatus for operating a high pressure boiler
10/1985
10/09/1985EP0157571A2 Emergency feedwater system for steam generators of a nuclear power plant
10/09/1985EP0156798A1 Methods and apparatus for transferring liquid against high pressure resistance
09/1985
09/17/1985US4541365 Method and apparatus for supplying feedwater to a forced flow boiler
08/1985
08/28/1985EP0152464A1 Closed loop solar collector system powering a self-starting uniflow steam engine
08/13/1985US4534320 Method for determining the amount of dissolved oxygen from above and below water level air leakage in a steam power plant
07/1985
07/31/1985EP0149677A1 Condensate feed apparatus for steam generator
06/1985
06/20/1985WO1985002667A1 Device for recirculation of boiler medium
05/1985
05/29/1985EP0142598A2 Condensate evacuation system for steam condensors heat exchangers
05/08/1985EP0140563A2 Process for removal of dissolved oxygen from an aqueous medium used in steam generation systems
05/02/1985EP0139001A1 Boiler installation.
04/1985
04/16/1985US4510755 Demineralization of feed water in a steam system
04/03/1985EP0135685A2 Method of protecting steam generators against material damages
03/1985
03/28/1985WO1985001338A1 Methods and apparatus for transferring liquid against high pressure resistance
03/20/1985EP0134457A1 Steam power plant
03/19/1985US4505427 Condensate drain valves
02/1985
02/28/1985WO1985000855A1 Closed loop solar collector system powering a self-starting uniflow steam engine
02/12/1985US4498302 Thermomechanical-conversion engine, especially an engine working with a low-boiling-point fluid
12/1984
12/20/1984WO1984004952A1 Condensate feed apparatus for steam generator
10/1984
10/30/1984US4479606 Remote steam system having common recirculation of condensate and method for condensate recirculation
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