Patents
Patents for F04D 7 - Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts (4,105)
06/1984
06/26/1984CA1169888A1 Dredging apparatus
06/20/1984EP0111295A2 Construction for securing sealing structure in boiling water reactor
06/19/1984US4454993 Grinder pump
06/13/1984EP0110562A2 Agitating particulate solids
06/05/1984CA1168574A1 Anti-gas locking apparatus
05/1984
05/29/1984CA1168050A1 Centrifugal pump for feeding solid particles to a pressurized vessel and process for feeding solid fuel to a high-pressure gasification reactor
05/22/1984US4449891 Aggregate for supplying fuel from supply container to internal combustion engine
05/15/1984CA1167205A1 Apparatus and method for medium consistency oxygen delignification of pulp
04/1984
04/17/1984US4443152 Axial slurry pump
04/04/1984EP0104413A1 Single or multi-stage high performance rotary machine for aggressive or hot fluids
03/1984
03/14/1984EP0102423A1 Concrete pump and method of using same
03/07/1984EP0101770A1 Method for pumping slurry and apparatus for use therewith
03/06/1984US4435193 Controlling operation of a centrifugal pump
03/06/1984US4435122 Method and apparatus for pumping fiber suspensions
03/06/1984CA1163140A1 Modulated diffuser pump
02/1984
02/28/1984US4433947 Apparatus for conveying a suspension
02/21/1984CA1162440A1 Centrifugal pump with removable diffuser
01/1984
01/31/1984US4428717 Composite centrifugal impeller for slurry pumps
01/24/1984US4427337 Bearing for liquid metal pump
01/24/1984US4427336 Single vane rotodynamic impeller
01/17/1984CA1160507A1 Pumps
01/10/1984US4425081 Centrifugal pump with dismountable diffuser
12/1983
12/13/1983CA1158570A1 Method and apparatus for separating a gas from a fibre suspension
12/06/1983US4419048 Trash pump with resilient liner
12/06/1983US4418544 Pump for very cold liquids
11/1983
11/29/1983US4417851 Modulated diffuser pump
11/22/1983CA1157393A1 Centrifugal pump for the supply of finely divided solids and process for the gasification of coal particles
11/22/1983CA1157315A1 Method and apparatus for pumping fragile articles
11/16/1983EP0094075A2 Bearings for the rotor shaft of a vertical motor pump assembly
10/1983
10/25/1983CA1155712A1 Composite centrifugal impeller for slurry pumps
10/18/1983US4410337 Method and an apparatus for separating a gas from a fibre suspension
10/18/1983US4409746 Vortex injection dredging apparatus and method
10/12/1983EP0090980A1 Rotor for a centrifugal pump
10/11/1983US4408724 Pulverizer device for handling liquids containing solid and semi-solid materials
10/04/1983US4407631 Motor-pump aggregate
09/1983
09/13/1983CA1153622A1 Material transport system and boost pump therefor
09/06/1983US4402648 Chopper pump
08/1983
08/30/1983CA1152809A1 Wear lining
08/23/1983US4400134 Collector apparatus
08/18/1983WO1983002806A1 Centrifugal pump for liquids containing solid material
08/02/1983US4396350 Pump isolation valve
08/02/1983CA1151006A1 Method and apparatus for pumping large solid articles
07/1983
07/26/1983US4395130 Interconnected pumping mechanism
07/26/1983CA1150740A1 In-line centrifugal pump
07/26/1983CA1150570A1 Apparatus and process for the gasification of coal powder
06/1983
06/15/1983EP0081456A1 Free vortex pump
06/14/1983CA1148025A1 Actuating mechanism for fluid pump inlet closure valve
06/07/1983US4386653 Anti-gas locking apparatus
05/1983
05/24/1983CA1146809A1 Impeller
05/03/1983CA1145645A1 Material handling system
04/1983
04/26/1983US4381181 Solenoid-actuated centrifugal pump and method
03/1983
03/29/1983US4378093 Grinder pump cutter assembly
03/15/1983CA1142727A1 Rotary processor
01/1983
01/20/1983WO1983000184A1 Centrifugal pump
01/12/1983EP0069324A2 Pump apparatus for very cold liquids
01/04/1983CA1138917A1 Injector for a material transport system
12/1982
12/28/1982US4365932 Pumping device for diphasic fluids
12/28/1982CA1138411A1 Flushing fluid for centrifugal pumps used in the pipelining of slurries
12/14/1982US4363697 Method for medium consistency oxygen delignification of pulp
12/14/1982US4363572 Injector for a material transport system
11/1982
11/30/1982US4361414 Equipment for the delivery of slurries and for refinement during delivery
11/23/1982US4360314 Liquid metal pump
09/1982
09/28/1982US4351514 Apparatus for purifying molten metal
09/01/1982EP0059131A1 Connecting element between a primary pump and the back-flow pipe for a fast breeder
08/1982
08/31/1982US4347035 Centrifugal pump with single blade impeller
08/31/1982US4347032 Method for pumping slurry and apparatus for use therewith
08/31/1982CA1130649A1 Centrifugal pump with single blade impeller
08/25/1982EP0058272A1 Bearing for liquid metal pump
08/11/1982EP0057319A2 High head centrifugal slicing slurry pump
08/10/1982CA1129250A1 Fluid circulation helico-centrifugal pump
07/1982
07/27/1982US4341503 Pump for fluid media
07/27/1982CA1128368A1 Method and apparatus for pumping fibre suspensions
06/1982
06/30/1982EP0055012A1 Pump isolation valve
06/22/1982US4335994 Method and apparatus for pumping large solid articles
04/1982
04/20/1982CA1122063A1 Axial slurry pump
04/13/1982US4324532 Cartridge pump
03/1982
03/30/1982US4321742 Method of producing curved wear lining
03/09/1982US4318672 Particle erosion resistant covering for fan blade leading edge
03/09/1982US4318667 Actuating mechanism for fluid pump inlet closure valve
12/1981
12/30/1981EP0042797A1 Centrifugal pump with dismountable diffusor
12/15/1981US4305214 In-line centrifugal pump
12/15/1981CA1114311A1 Degasification system
11/1981
11/03/1981CA1111773A1 Air pump with primary and secondary inlet flow channels
10/1981
10/28/1981EP0038597A1 Centrifugal pump for feeding solid particles to a pressurized vessel and process for feeding solid fuel to a high pressure gasification reactor
10/20/1981US4295797 Fuel supply pump
10/14/1981EP0037637A1 A pump with means for adjusting the clearances between the impeller and the housing
09/1981
09/17/1981WO1981002613A1 Improvements in or relating to pumps
09/01/1981CA1108011A1 Articulated turbine pump
08/1981
08/18/1981US4284371 Material handling system
07/1981
07/08/1981EP0031616A2 Centrifugal pump for the supply of finely divided solids and process for the gasification of coal particles
06/1981
06/10/1981EP0030158A1 Apparatus and process for medium consistency oxygen delignification of pulp
05/1981
05/26/1981US4269567 Mud degasser pump
05/26/1981US4269566 Centrifugal pump for abrasive liquids
04/1981
04/28/1981US4264284 Self-priming centrifugal pump and safety installation therefor
04/28/1981US4264273 Casing and casing liners for centrifugal pumps of the volute type
04/28/1981CA1099991A1 Centrifugal pump
01/1981
01/13/1981CA1093385A1 Wear liners for abrasive-material handling equipment
01/07/1981EP0020585A1 A wear-resisting attachment for protection of metallic members against erosion from airborne abrasive particles, and a fan blade provided with such an attachment
12/1980
12/30/1980CA1092686A1 Method and control system for controlling a suspended implement on variations of the position of the implement in relation to a suspension point
12/22/1980EP0016825A4 Method and apparatus for pumping large solid articles.
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