Patents
Patents for B65G 53 - Conveying materials in bulk through troughs, pipes, or tubes by floating the materials, or by flow of gas, liquid, or foam (10,589)
06/1989
06/28/1989CN2040083U Speed-changable high-throughput air-blocking device
06/28/1989CN2040082U Two-stage pressure-increasing powder jetting pump
06/28/1989CN2040081U Powder material conveying device
06/27/1989US4842449 Pneumatic evacuator-filler for grain drill hopper
06/21/1989EP0321311A1 Airlock
06/21/1989CN2039684U Ball type rotatary support disk material feeding machine
06/15/1989WO1989004802A3 Conveying apparatus and separation apparatus
06/14/1989EP0319596A1 Apparatus for conveying hot finely divided material
06/07/1989EP0319349A1 Method for transfer and slurrying or dissolving hydratable dry bulk chemicals
06/06/1989US4836250 Device for closing a pipe branch
06/06/1989US4836080 Vibration abrasive resistant fabric covering
06/01/1989WO1989004802A2 Conveying apparatus and separation apparatus
05/1989
05/31/1989EP0318247A1 Powder flow control valves
05/30/1989US4834590 Apparatus and process for pneumatically conveying material in dust or finely particulate form
05/30/1989US4834589 Apparatus and process for transferring pulverent material from a supply container to a delivery point
05/30/1989US4834587 Pneumatic conveying system
05/30/1989US4834586 Feed and separation device
05/30/1989CA1254882A1 Method and apparatus for continuously mixing and kneading pulverulent bodies such as pulverlized coal, oil coke to prepare slurry thereof
05/24/1989EP0317504A1 Equipment for feeding tobacco to one or more cigarette making machines
05/23/1989US4832539 Distribution of gas entrained particles
05/23/1989CA1254600A1 Process and apparatus for the injection by pneumatic means of metered amounts of pulverulent materials into a vessel which is under variable pressure
05/18/1989WO1989004445A1 System for conveying bulk materials
05/16/1989US4830546 Web member for improved in-car slurrying
05/16/1989US4830233 Sluice type apparatus for discharging material batches
05/16/1989US4829912 Method for controlling the particulate size distributions of the solids inventory in a circulating fluidized bed reactor
05/09/1989US4828145 Pressure locked rotary trap chamber
05/03/1989CN1032647A Pneumatic conveying device capable of extracting flour, gradation and discharging
05/02/1989US4826362 Solid transfer apparatus
05/02/1989US4826088 Pneumatic distribution system with split ducts
05/02/1989US4825913 Powder dispensing apparatus
04/1989
04/25/1989US4824449 Device for transforming a fluid flow
04/25/1989US4824294 Method of and equipment for hydraulic forwarding of solids over long distances and/or to different heights; in particular in undergound mineshafts
04/25/1989US4823993 Bucket wheel gate for dispensing granulated bulk material
04/25/1989US4823989 Compartmentalized pneumatic vessel filtering and unloading system
04/20/1989DE3733847A1 Pneumatic vertical conveyor
04/20/1989DE3732913A1 Pneumatically operating emptying device for bulk-material containers
04/18/1989US4821495 Blower and discharge spout assembly
04/12/1989CN1003886B Apparatus for fluidizing particulate material by conveying gas
04/11/1989CA1252438A1 Apparatus for feeding particulate material
04/11/1989CA1252368A1 Improved splitter for use with a coal-fired furnace utilizing a low load burner
04/04/1989US4818152 Apparatus for conveying hot finely divided material
04/04/1989CA1251996A1 Arrangement for transporting disintegrated particulate solids
03/1989
03/30/1989DE3730419A1 Rotary valve
03/28/1989US4816227 Pneumatic
03/28/1989US4815860 Method for the manufacture of sprayable concrete
03/23/1989DE3729293A1 Wheel pneumatic stower, in particular for the stowage in underground operation
03/16/1989DE3730041A1 Apparatus for controlling a pneumatic conveying installation in underground working for fine spraying and backfilling material from a feedline into a pair of distributor pipes
03/15/1989CN1003611B Analogue method and device of slurry conduit transport design parameters
03/14/1989US4812086 Particulate material loader
03/14/1989US4812085 Conduit for transporting finely-divided or fine-granular, dry bulk materials and a process for operation of same
03/14/1989US4811864 Cleaning arrangement for a roller metering device
03/14/1989CA1251245A1 Particulate material loader
03/08/1989EP0305821A1 Device for sealing off a tube branch
03/07/1989US4809864 Device for sealing the gap between a container opening and a relatively movable filler pipe
03/01/1989EP0305152A1 Pneumatic conveying system
02/1989
02/28/1989US4807814 Pneumatic powder ejector
02/28/1989US4807662 Valve for distributing particulate materials
02/22/1989EP0303641A1 Transport ventilator.
02/22/1989CN1031208A 闭环粉末流调节器 Closed-loop powder flow regulator
02/21/1989CA1250246A1 Apparatus and method for unloading bulk materials
02/15/1989EP0240386B1 Silo evacuation device
02/09/1989DE3724861A1 Concrete spraying (gunning) machine with self-regulating adaptation to the concrete composition
02/09/1989DE3724859A1 Two-stage nozzle
02/08/1989EP0302652A2 Container filling system
02/07/1989US4802891 Controlling particle sizes and concentration; storage stability; transportation; combustion
02/07/1989US4802796 Pressure-reducing device for particulate material
02/02/1989DE3724121A1 Cellular wheel sluice
01/1989
01/26/1989DE3722913A1 Housing for a cellular wheel sluice
01/25/1989EP0300113A1 Device for transferring a dry concrete mixture and similar building materials into a pneumatic spraying feed pipe and spraying device with such a transferring device
01/25/1989CN2031390U Conveyer by gas flow
01/24/1989US4799943 Gas stream diffusing and distribution apparatus
01/24/1989US4799830 Air conveyor dispensing and recycling system
01/24/1989CA1249237A1 Conveyor system used with apparatus for unloading comminuted materials
01/17/1989US4798516 Blower-conveyor for textile fiber tufts in a cleaning line and method
01/17/1989US4798012 Pneumatic process and device for conveying snow
01/17/1989CA1248906A1 Process for transporting particulate material
01/12/1989WO1989000141A1 Air-regulating unit, process for regulating air flow and use of a buoyant body in such a system
01/12/1989DE3721948A1 Method and apparatus for uniform distribution of pneumatic conveying currents
01/05/1989DE3721110A1 Switch of a pneumatic conveying device for filling a plurality of containers
01/04/1989EP0297796A1 Powder transfer apparatus and method
01/04/1989EP0297463A1 Powder feeding system with a closed loop powder flow regulator and the corresponding method
01/04/1989CN1030060A High-speed screw-venturi system and bulk material conveying method
12/1988
12/29/1988DE3719530A1 Ventilation nozzle
12/28/1988EP0296803A2 High density pneumatic transport method for use in powder or granular material and system for practising the method
12/28/1988EP0296753A2 Gas stream diffusing and distribution apparatus
12/21/1988EP0295766A1 Material feeding devices
12/21/1988CN87204955U Drying apparatus charged by air suction feed system
12/20/1988CA1247170A1 Gravity pipe transport system
12/14/1988CN87103898A Uniformly distributing device for slurry
12/14/1988CN87103014A Dust-control method and apparatus thereof for movable pipe discharging
12/13/1988US4790692 Arrangement for transporting disintegrated particulate solids
12/08/1988DE3802924A1 Apparatus for removing abrasive media, in particular cellular wheel sluice functioning at a high pressure difference, for tobacco dust
12/07/1988CN87215982U Air-pressure automatic stuff-conveying machine
12/06/1988US4789569 Process and device for metering pulverulent materials
12/06/1988US4789272 Transportation method of synthetic rubber chips
12/06/1988CA1246124A1 Powder pump having suction tube deflector
11/1988
11/29/1988US4787783 Apparatus for the pneumatic conveyance of pulverized or granulated matter
11/29/1988US4787782 Open mesh device for improved in-car slurrying
11/29/1988CA1245692A1 Process for the preparation of coal for large furnaces
11/23/1988EP0292427A1 Crude oil emulsion containing a fluorinated surfactant
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