Patents for F28G 15 - Details (1,029)
07/1991
07/16/1991US5031691 Multi-lance tube cleaning system having sliding plate
06/1991
06/25/1991US5025854 Apparatus for inspection and/or repair of tubes discharging into a chamber of a heat exchanger
06/11/1991US5022463 Multi-hose flexible lance tube cleaning system
05/1991
05/02/1991EP0424487A1 Apparatus for mechanically projecting devices through tubes.
04/1991
04/04/1991WO1991004452A1 Device for cleaning the insides of heat-exchanger tubes
04/02/1991CA1282488C Automated ultrasonic examination system for heat transfer tubes in aboiler
03/1991
03/26/1991US5002120 Multi-lance tube cleaning system
03/14/1991DE3930493A1 Geraet zur innenreinigung der rohre eines waermetauschers Geraet for cleaning the inside of the tubes of a heat exchanger
03/13/1991CN1012008B Apparatus for cleaning transversetube
01/1991
01/15/1991US4984598 System for working on the primary pipework and water box of a nuclear power station steam generator
11/1990
11/20/1990CA1276625C Controlling rapping cycle
10/1990
10/24/1990CN1010121B Automatic tube circumference scanning apparatus
10/14/1990WO1990012267A1 Apparatus for mechanically projecting devices through tubes
10/14/1990CA2031205A1 Apparatus for mechanically projecting devices through tubes
09/1990
09/19/1990CN1045453A Controlling rapping cycle
09/07/1990WO1990009850A1 Flexible lance and drive system
05/1990
05/15/1990US4924817 Seal for blast pipe or shaft
04/1990
04/17/1990US4917176 Device for cleaning inner surfaces of heat exchanger tubes
03/1990
03/13/1990US4907542 Cleaning system for a horizontal type tube assembly
11/1989
11/23/1989EP0342767A1 Controlling rapping cycle
11/23/1989EP0342309A1 Seal for a soot blower tube or shaft
11/14/1989US4879973 Automatic tube circumference scanning apparatus
10/1989
10/10/1989US4872347 Automated ultrasonic examination system for heat transfer tubes in a boiler
09/1989
09/27/1989CN1035886A Apparatus for cleaning transversetube
09/20/1989EP0333182A1 Cleaning system for a horizontal type tube assembly
09/06/1989EP0330817A1 Supporting device for a soot blower
07/1989
07/25/1989US4850423 Air preheater water jet cleaning apparatus
06/1989
06/06/1989US4836146 Controlling rapping cycle
05/1989
05/24/1989EP0317331A2 Device for cleaning inner surfaces of heat exchanger tubes
05/09/1989US4827953 Flexible lance for steam generator secondary side sludge removable
05/09/1989CA1253848A1 Apparatus for cleaning radioactive tube banks
03/1989
03/29/1989EP0308730A1 Device for inspecting and/or repairing tubes discharging into a heat exchanger plenum
01/1989
01/11/1989CN1030286A Automatic tube circumference scanning apparatus
01/04/1989EP0297541A1 Automatic tube circumference scanning apparatus
11/1988
11/01/1988US4781245 Device for positioning a rotatable element within a tube
10/1988
10/11/1988US4776384 Method for monitoring copper-alloy tubes for maintaining corrosion resistance and cleanliness factor of their inner surfaces
10/06/1988WO1988007156A3 Flexible lance for steam generator secondary side sludge removal
09/1988
09/22/1988WO1988007156A2 Flexible lance for steam generator secondary side sludge removal
09/07/1988EP0281433A2 Working system for primary pipes and water-chamber in a vapour generator of a nuclear plant
09/06/1988US4769085 Method for cleaning a steam generator
09/01/1988DE3705240A1 Process and equipment for controlling the corrosion protection and/or the mechanical cleaning of heat exchanger pipes
08/1988
08/09/1988CA1240222A1 Sootblower apparatus
08/03/1988EP0276819A1 Automated ultrasonic examination system for heat transfer tubes in a boiler
06/1988
06/14/1988US4750548 Device for sealing retractable soot-blower lances
04/1988
04/13/1988EP0263238A2 Device for sealing withdrawable soot-blower lances
02/1988
02/02/1988US4722610 Monitor for deposition on heat transfer surfaces
01/1988
01/06/1988CN85104615B Purifying device for regenerating heat-exchanging unit
01/05/1988US4716611 Apparatus for cleaning pipes, tubes, and the like by launching pigs
11/1987
11/10/1987US4705057 Cleaning device for regenerative heat exchangers
10/1987
10/08/1987WO1987005992A1 Device for selective insertion of cleaning elements into heat exchanger tubes
10/08/1987DE3611424A1 Vorrichtung zur selektierten zufuehrung von reinigungskoerpern in die rohre von waermetauschern Apparatus for supplying reinigungskoerpern selected in the tubes of heat exchangers
09/1987
09/08/1987US4691723 Apparatus for cleaning radioactive tube banks
08/1987
08/19/1987EP0233092A1 Device for maintaining in position one extremity of a mobile element, rotating in a tube, and application for this device
06/1987
06/30/1987US4676301 Method of cleaning an inner surface of a heat transfer tube in a heat-exchanger
06/03/1987EP0224270A1 Method of monitoring the inner surface of copper-alloy condensor tubes
01/1987
01/13/1987CA1216479A1 Process for cleaning a steam generator
12/1986
12/10/1986CN85104615A Purifying device for regenerating heat-exchanging unit
11/1986
11/18/1986CA1214004A1 Method of cleaning pipes, tubes etc.
11/04/1986US4620881 Method for cleaning a steam generator
11/04/1986CA1213479A1 Tube lane manipulator, spraying head and corresponding spraying method for the high-pressure blowdown of heat exchangers
09/1986
09/24/1986EP0195454A2 Working robot used for the water chamber of the heat exchanger
07/1986
07/09/1986EP0186687A1 Collector sleeve for heat exchanger tube cleaning devices
04/1986
04/22/1986CA1203445A1 Soot blower
04/08/1986US4580310 Soot blower including revolving roller assembly with modular construction
02/1986
02/25/1986US4572284 Tube lane manipulator, spraying head and corresponding spraying method for the high-pressure blowdown of heat exchangers
01/1986
01/03/1986WO1986000127A1 Collector sleeve for heat exchanger tube cleaning devices
01/02/1986EP0166190A2 Cleaning device for a regenerative heat exchanger
11/1985
11/27/1985EP0162309A2 Cleaning device of a radioactive contaminated tube bundle
10/1985
10/08/1985CA1194742A1 Soot blower
07/1985
07/09/1985CA1190104A1 Process and apparatus for removal of the sludge deposits on the tube sheet of a steam generator
06/1985
06/12/1985EP0144131A2 An improved sootblower apparatus for use in a boiler and method of operating the same
06/04/1985CA1188198A1 Sleeve-type fluid flow diverter
04/1985
04/16/1985CA1185493A1 Roller supporting means for long retracting sootblowers
02/1985
02/12/1985US4498213 Soot blower
01/1985
01/08/1985US4492187 Sootblower apparatus
12/1984
12/18/1984US4488516 Soot blower system
12/11/1984US4487165 For high pressure blowdowns of heat exchangers of steam generators
11/1984
11/13/1984CA1177820A1 Retainer for heat exchanger cleaning elements
10/1984
10/23/1984CA1176516A1 Oscillating soot blower mechanism
09/1984
09/25/1984CA1174918A1 Roller supporting means for long retracting soot blowers
07/1984
07/03/1984CA1170023A1 Apparatus for removing a tube core from and inserting same into a heat exchanger
05/1984
05/15/1984CA1167333A1 Rotary wall deslagger
05/01/1984US4445540 Sleeve-type fluid flow diverter
05/01/1984US4445465 Sludge lance advancing apparatus
03/1984
03/20/1984US4437201 Soot blower
02/1984
02/07/1984US4429428 Fluid ejected and retracted tube clearance tester
01/1984
01/10/1984US4424769 Process and apparatus for removal of the sludge deposits on the tube sheet of a steam generator
08/1983
08/23/1983US4399773 Soot blaster
08/16/1983CA1152215A1 Method of watching condenser performance and system therefor
07/1983
07/12/1983US4392524 Apparatus for removing a tube core from and inserting same into a heat exchanger
06/1983
06/28/1983US4390058 Method of monitoring condenser performance and system therefor
06/14/1983US4387481 Soot blower
05/1983
05/04/1983EP0077880A1 Sleeve-type fluid flow diverter
04/1983
04/20/1983EP0077255A1 Method and apparatus for removing sludge from the tube sheets of steam generators
03/1983
03/15/1983US4376443 Jet water cleaning apparatus
03/08/1983US4375710 Roller supporting means for long retracting sootblowers
02/1983
02/01/1983US4371032 Heat transfer system
01/1983
01/18/1983CA1139622A1 Mechanism for rotating and reciprocating a soot blower
01/11/1983US4367790 Multiple tube cleaning apparatus
11/1982
11/30/1982US4360945 Roller supporting means for long retracting soot blowers
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