| Patents for F22D 7 - Auxiliary devices for promoting water circulation (129) | |
|---|---|
| 10/2003 | |
| 10/08/2003 | CN1447059A Water supply jet flow circulating device in waste-heat boiler |
| 09/2002 | |
| 09/18/2002 | CN2511866Y Steam jetting vacuum device |
| 04/2000 | |
| 04/12/2000 | CN1250141A Closed condesed-water recovering technology and equipment |
| 10/1998 | |
| 10/14/1998 | CN2294384Y 酸喷射器 Acid ejector |
| 07/1998 | |
| 07/01/1998 | EP0851171A2 Method for stimulating the circulation in evaporator heating surfaces and evaporator heating surfaces |
| 05/1998 | |
| 05/06/1998 | CN2280843Y boiler steam condensate-water recovering sprayer |
| 04/1998 | |
| 04/15/1998 | CN2278859Y Automatic booster |
| 01/1997 | |
| 01/08/1997 | CN2244667Y Locking sprinkler head for cooling tower |
| 10/1996 | |
| 10/23/1996 | CN2238378Y Water spray boiler for controlling superheat temp |
| 05/1996 | |
| 05/30/1996 | WO1996016298A1 Steam generation plant using the natural circulation system and process for starting the water circulation in such a plant |
| 05/23/1996 | DE4441008A1 Anlage zur Dampferzeugung nach dem Naturumlaufprinzip und Verfahren zum Anstoß des Wasserumlaufs in einer derartigen Anlage Steam generation plant according to the natural circulation principle and method for triggering the circulation of water in such a system |
| 05/1994 | |
| 05/25/1994 | CN2166311Y Water return control valve for ordinary pressure boiler |
| 07/1992 | |
| 07/08/1992 | CN2109493U Natural circulation double longitudinal jet water feeding device |
| 11/1990 | |
| 11/14/1990 | CN2065716U Automatic continuously energy-saving boiler water supply device |
| 05/1990 | |
| 05/30/1990 | CN2057734U Internal cycle device of kettle shell type hot water boiler |
| 04/1990 | |
| 04/04/1990 | CN1007450B Device for preventing thermal stratification in steam generator feed pipe |
| 10/1989 | |
| 10/03/1989 | US4870927 Device for preventing thermal stratification in a steam generator feed pipe |
| 01/1989 | |
| 01/04/1989 | EP0297968A1 Steam generator with a feedwater tube with a device for inhibiting thermal stratification |
| 12/1988 | |
| 12/21/1988 | CN88104070A Device for preventing thermal stratification in steam generator feed pipe |
| 08/1988 | |
| 08/31/1988 | EP0279951A1 Raw gas cooling device |
| 12/1986 | |
| 12/23/1986 | US4631004 Jet pump having pressure responsive motive fluid control valve |
| 09/1986 | |
| 09/02/1986 | US4608945 Apparatus for recirculating boiler fluid |
| 07/1986 | |
| 07/29/1986 | CA1208506A1 Remote dewatering scraper conveyor |
| 03/1986 | |
| 03/04/1986 | US4573323 Steam generating apparatus and methods |
| 06/1985 | |
| 06/20/1985 | WO1985002667A1 Device for recirculation of boiler medium |
| 07/1981 | |
| 07/28/1981 | CA1105787A1 Steam generator |
| 06/1980 | |
| 06/24/1980 | US4208987 Steam generator |
| 01/1980 | |
| 01/15/1980 | US4183331 Forced circulation steam generator |
| 05/1979 | |
| 05/01/1979 | US4151813 Jet pump in natural circulation fossil fuel fired steam generator |
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