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)
01/1992
01/09/1992DE4019627A1 Housing for sliding vane closure - has wear-resistant bush of two symmetrical parts, surrounded by outer elastomer flange
01/08/1992CN2092524U Rubber pipe connector
01/07/1992US5078548 Method of and an installation for removing and transferring refuse
01/07/1992US5078261 Apparatus and method for unloading bulk materials
12/1991
12/31/1991US5076501 Shotcrete gun
12/31/1991US5076317 Rotor handling system for rotary valves
12/27/1991EP0462501A1 Rotary valve with clearance sealings for feeding bulk material into pneumatic conveyors
12/27/1991EP0462500A1 Housing for a rotary valve
12/27/1991EP0462119A1 Device for conveying fluid materials
12/27/1991CA2044980A1 Slurry distributor
12/25/1991CN2091292U 气动送料装置 Pneumatic feeding device
12/19/1991DE4018770A1 Pump for viscous fibre-carrying suspensions - uses waste compressed air from motor and is of displacement type
12/17/1991US5073259 Manhole mounted filtering system for self-loading semi-trailer
12/17/1991US5072758 Rotary slide valve
12/12/1991DE4018696A1 Pipe branch with reversible flap - has cylinder sector shape inside housing for closing unused outlet
12/11/1991CN1056960A Method for passing cable or wire through passage
12/10/1991US5071289 Particulate delivery system
12/10/1991US5070910 Diverter valve with improved sealing means
12/04/1991EP0459086A2 Process for fluidising, transporting and spraying solid or fluid coating materials
12/04/1991CN1056738A Coanda spiral flow unit
12/03/1991US5070328 Method of checking the loading and unloading of tankers by means of an electromagnetic identification system, and an identification system for use in said method
12/03/1991US5069608 Vane pump for delivering pasty substances
12/03/1991US5069583 Device for changing flow paths in a pneumatic conveying system
12/03/1991US5069582 Vacuum producing device
11/1991
11/27/1991EP0457986A1 Method of passing an elongate flexible element through a passage
11/26/1991CA1292453C Multi-channel bulk syrup delivery system
11/21/1991EP0456931A1 Coanda spiral flow device
11/21/1991EP0456660A1 Wear indicator for material transfer systems.
11/20/1991CN1014820B Vortex hoist
11/19/1991US5066186 Dust discharging apparatus for a furnace
11/14/1991WO1991017105A1 Excavation system with pneumatic conveyance and separation of excavated material
11/14/1991DE4014912A1 Pneumatic or hydraulic feed for solids in pipes - consists of thin flexible but strong cable turned by motor round sides of pipe
11/13/1991EP0455809A1 Apparatus for pneumatically transporting high-density powdered or granular materials
11/13/1991EP0455686A1 Feeder for particulate material
11/13/1991CN2088539U Cement bag unloading machine
11/12/1991US5064315 Blower
11/07/1991DE4014229A1 Fluidisable material delivery system - with adjustable fluidising opening for precise dosing
11/06/1991EP0455617A1 An arrangement for suppressing inhomogenization of particle mixtures
11/05/1991US5062868 Method and apparatus for unloading mobile vacuum loaders
10/1991
10/31/1991WO1991016252A1 Quick clean rotary valve
10/31/1991DE4013365A1 Device for supplying loose material into cell wheels sluices - has inlet opening tapering to small shear edge with cover with mould corresponding to inside of housing
10/30/1991EP0453480A1 Transfer chambers for the conveyor in a pneumatic transport system.
10/30/1991EP0453479A1 Transfer chambers for the conveyor in a pneumatic transport system
10/30/1991EP0453478A1 Ejector with peripheral supply of propellent gas
10/29/1991US5060984 Short radius, low wear elbow
10/26/1991WO1991016253A1 Apparatus for introducing bulk materials into pneumatic conveying line
10/23/1991EP0452635A1 Pneumatic powder transporting device
10/23/1991EP0452378A1 Apparatus for pneumatic transportation of a particle material.
10/23/1991EP0325599B1 Device for filling toner from a transfer container into a toner storage container
10/22/1991CA1291192C Material conveying apparatus
10/19/1991WO1991016136A1 Interstage separator
10/16/1991EP0452152A2 Powder feed hopper
10/16/1991CN2086739U Wind shutter
10/15/1991US5056962 Method of sampling solid materials and sampling system to execute the method
10/14/1991CA2038582A1 Powder feed hopper
10/10/1991DE4010676A1 Continuous supply of concrete to work place - involves use of pressurised vessel and screw conveyor
10/09/1991EP0450295A2 Fluidising and conveying device
10/09/1991CN2086246U Stuff-suction device
10/08/1991US5054966 Pipe for pneumatic transport of polymer particles
10/08/1991US5054965 Diverter apparatus for pneumatic conveying system
10/02/1991EP0448710A1 Source material delivery system.
10/02/1991DE4108209A1 Filling hoppers with different powders - by using automatic control system with vacuum pipelines, various storage silos and valves, to fill hoppers with filling level regulators
10/02/1991DE4010045A1 Cooling system for cement - has mixer tube for cooling fluid in cement feeder tube
10/02/1991CN2085788U Impulse pneumatic conveying pump
09/1991
09/26/1991DE4009218A1 Rotary slide valve switch - has cylindrical cone plug in housing, with three connecting pipes, intermediates ring and flow ducts
09/25/1991CN1054828A Pulverized coal flow monitor and control system
09/19/1991DE4008407A1 Seal for rotating valve element - has pressure seal with periodic pressure pulses to loosen seal
09/18/1991EP0447151A1 Horizontal belt conveyor airlock
09/18/1991EP0446640A1 Method of conveying portions of grained or powdery material and device for carrying out this method
09/18/1991EP0446520A2 Monitoring and controlling the flow of fluid transported solid particles
09/18/1991CN1013932B Slurry input device
09/17/1991US5049008 Air pulse discharge control valve for fluidizing dry particulate material
09/17/1991US5049007 Horizontal belt conveyor airlock
09/17/1991US5048761 Pulverized coal flow monitor and control system and method
09/15/1991CA2034579A1 Pulverized coal flow monitor and control system
09/12/1991DE4011698C1 Conveyor for powder container - has powder suction tube attached to injector and mounted on fluidiser
09/11/1991CN2084465U Pipe coal powder conveying flow rate measuring device
09/10/1991CA1288638C Method for controlling the particulate size distributions of the solids inventory in a circulating fluidized bed reactor
09/04/1991EP0444075A1 A device for achieving uniform distribution of airborne fibres, e.g. cellulose-fibres
09/04/1991CN1054201A Non-mechanical rate controller for solid flow established between two fluidized media
09/03/1991US5044837 Method and apparatus for continuously feeding particulate solid material into a pressurized system without pressure loss
08/1991
08/28/1991CN1054047A Hydraulic conveying apparatus with combined flowing exchanger
08/27/1991US5042209 Process for charging a carrier gas stream with a free-flowing material and process for operating the device
08/27/1991US5042169 Interstage separator
08/22/1991DE4004706A1 Automatic lock for container or silo filler pipe - has extensible pressurised chamber, with valve cone and outlet, and air holes
08/21/1991EP0210162B2 Device for introducing a dosed quantity of powder into a carrier gas stream
08/21/1991CN2083144U Intermittent discharger
08/21/1991CN2083143U Air-operated elevator
08/20/1991US5040929 Loading system for particulate materials
08/20/1991CA1287855C Fluidizable pulverulent material regulated distribution device
08/14/1991DE4038236A1 Paddle type sluice - has inflow and outflow shafts in housing, with air outlet
08/14/1991DE4004388A1 Pipe switch for pneumatic conveyors for rubbish - consists of housing with three connections, stopcock and short pipe socket
08/13/1991US5039258 Hydraulic transporter with united streaming reversing means
08/08/1991WO1991011379A1 Inline venturi for pneumatic conveying systems
08/07/1991CN2082263U Air-controlling type fluid conic taphole
08/07/1991CN1053592A Feeder for particulate material
08/06/1991US5037247 Powder pump with internal valve
08/06/1991US5037246 Pneumatic conveyor for grainy material and suction nozzle for use in such conveyor
08/06/1991CA1287275C Horizontally disposed apparatus for the random distribution of seeds and granular materials
07/1991
07/31/1991EP0439012A2 Method and apparatus for intermittently depositing particulate material in a substrate and article made therewith
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