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| Number | Title | Issue Date |
| 7368671 | Vacuum conveying apparatus with a weighing or metering device A Vacuum conveying apparatus with a weighing and metering device, comprises a separation container (10), acted on by a vacuum, for intermittent intermediate storage of material conveyed in a suction gas flow, a force isolation means for entry of conveyed mate... | 05/06/2008 |
| 7303597 | Method and apparatus for continuously feeding and pressurizing a solid material into a high pressure system A system for substantially continuously providing a solid material, for example pulverized coal, to a pressurized container. The system provides the solid material to a first container of a first pressure elevated above an initial pressure of the solid material. Gen... | 12/04/2007 |
| 7303062 | Bulk material pump feeder with reduced disk jamming A bulk materials pump feeder having a housing and a rotating drive rotor for transferring material from an inlet to an outlet of the housing. The drive rotor has a hub. Drive disks extend away from the hub toward a housing inner wall. Three structural features of th... | 12/04/2007 |
| 7174660 | Snow removing machine A snow removing machine has an auger for plowing and collecting snow, a rotatable blower for throwing snow collected by the auger, and a shooter for guiding the snow thrown by the blower so that the snow reaches a selected point. The blower has a central shaft part ... | 02/13/2007 |
| 7137237 | Forage harvester blower The present invention relates to a forage harvester blower including a blower rotor having a plurality of generally radially extending rotor paddles which operate in a corresponding substantially cylindrical housing, characterised in that said housing is provided wi... | 11/21/2006 |
| 7097569 | Restorable sand or pellet pile device A restorable sand or pellet pile is provided for use as an amusement or exercise device. A sand or pellet collection chamber has inclined side walls that converge toward each other in a downward direction and having a bottom surface connected to the side walls. A su... | 08/29/2006 |
| 7044288 | Bulk material pump feeder with reduced disk jamming A bulk materials pump feeder having a housing and a rotating drive rotor for transferring material from an inlet to an outlet of the housing. The drive rotor has a hub. Drive disks extend away from the hub toward a housing inner wall. Three structural features of th... | 05/16/2006 |
| 6832887 | Bulk material pump feeder A bulk materials pump feeder having a housing and a rotatable drive rotor mounted in the housing for transferring material introduced into the housing through an inlet to an outlet for discharge of the material from the housing. The drive rotor has a hub and a plura... | 12/21/2004 |
| 6213289 | Multiple channel system, apparatus and method for transporting particulate material An apparatus for transporting particulate material includes a housing having an inlet for receiving particulate material and an outlet through which particulate material is discharged in a moving dynamic mass. A rotor is supported for rotation within the ... | 04/10/2001 |
| 5402876 | Apparatus and method for transporting and metering particulate materials into fluid pressure An improved apparatus for transporting and metering particulate material including a transport duct having an inlet, an outlet, and at least one moving surface located therebetween having a downstream facing drive surface. The apparatus further includes d... | 04/04/1995 |
| 5381886 | Apparatus and method with improved drive force capability for transporting and metering particulate material An apparatus for transporting and metering particulate material including a transport duct having an inlet, an outlet, and at least one moving surface located therebetween having a downstream facing drive surface. The apparatus further includes a motive d... | 01/17/1995 |
| 5356280 | Pump for particulate solids A rotary channel pump apparatus for compressing solids that have an initial bulk density which is substantially lower than their structural density; the apparatus comprises a flow channel having an inlet and an outlet and includes: (i) an annular drag flo... | 10/18/1994 |
| 5223199 | Method of and apparatus for pumping particulate solids A method of pumping particulate solids that have an initial bulk density which is lower than its structural density; the method comprises providing a flow channel (12) having an inlet (120) and an outlet (129) and including (i) an annular drag flow channe... | 06/29/1993 |
| 5051041 | Multiple-choke apparatus for transporting and metering particulate material A multiple-choke unit for transporting and metering particulate material under ambient conditions wherein the material is compacted to bridging and then disturbed as it is friction driven through a duct. The duct has two opposed walls moving between the i... | 09/24/1991 |
| 4988239 | Multiple-choke apparatus for transporting and metering particulate material A multiple-choke unit for transporting and metering particulate material wherein the material is compacted to bridging, disturbed and then recompacted as it is friction driven through a duct. The duct has two opposed walls moving between the inlet and out... | 01/29/1991 |
| 4616961 | Forage blower having a removable outlet transition member A forage blower having an upwardly extending, tangential blower outlet transition member which is hinged along one of its sides so as to be swung laterally to thereby expose the inside of the blower housing. By swinging the outlet member laterally, only a... | 10/14/1986 |
| 4561807 | Push-pull material transport system for improved two-phase flow The present invention is a pump apparatus which is adapted to move liquids which contain debris. The apparatus is adapted to operate by alternating suction and pressure, whereby any debris which becomes lodged in any orifices or conduits in the system is ... | 12/31/1985 |
| 4466759 | Method and apparatus for sequence control of vertical movements of slurried particulates A method and apparatus for sequence control of vertical movement of slurried particulates from a lower level to the upper levels, more particularly a vertical hoist system for movement of slurry from a subterranean mine area upward through an earthen or c... | 08/21/1984 |
| 4439200 | Single stage high pressure centrifugal slurry pump Apparatus is shown for feeding a slurry to a pressurized housing. An impeller that includes radial passages is mounted in the loose fitting housing. The impeller hub is connected to a drive means and a slurry supply means which extends through the housing... | 03/27/1984 |
| 4433947 | Slurry feed pump for coal liquefaction reactors A slurry feed pump which delivers a highly pressurized suspension of coal particles, coal oil and a catalyst to a liquefaction reactor is installed in a plenum chamber which is filled with pressurized coal oil and surrounds the pump housing. The suspensio... | 02/28/1984 |
| 4422809 | Coal pump A device for pressurizing pulverized coal and circulating a carrier gas is disclosed. This device has utility in a coal gasification process and eliminates the need for a separate collection hopper and eliminates the separate compressor.... | 12/27/1983 |
| 4363572 | Injector for a material transport system An injector for a material transport system includes a helical inducer having a housing with a fluid input port, a material input port and a discharge port, each port is open to an internal chamber of the housing. A rotor with a helical blade is mounted t... | 12/14/1982 |
| 4362441 | Means and apparatus for throttling a dry pulverized solid material pump Method and apparatus are shown for control of continuous feeding of pulverized material to a high pressure container. A rotor is located within the high pressure container. The pulverized material is fed from a feed hopper through a stationary feed pipe t... | 12/07/1982 |
| 4348158 | Sewage pumping station A sewage pumping or lift station is mounted on the upper edge of a standard concrete wet well. A vertical partition divides the station into a machinery chamber and an access chamber that are hermetically isolated from each other. The floor of the machine... | 09/07/1982 |
| 4347032 | Method for pumping slurry and apparatus for use therewith In the method of the present invention, the slurry as it flows from a source thereof is pre-rotated prior to entering a circular vertical confined space that has a cut water discharge in the upper portion thereof. The pre-rotating slurry upon entering the... | 08/31/1982 |
| 4335994 | Method and apparatus for pumping large solid articles A pump for pumping large solid articles includes a rotary pump having a plain disc impeller disposed in a substantially cylindrical chamber of a housing with an inlet coaxial of the impeller into the housing and an outlet from the periphery of the chamber... | 06/22/1982 |
| 4284371 | Material handling system A centrifugal pump driven by a tractor draws material, as liquid manure, through a suction hose and discharges the material into one of two discharge hoses. A first discharge hose directs the material back into the source of material to agitate and mix th... | 08/18/1981 |
| 4234274 | Filter device for fibrous materials A fibrous materials filter device, particularly raw fibrous insulation material, which is used in combination with a centrifugal blower machine to remove projectible objects from the material while also avoiding damage to the blower impeller and housing. ... | 11/18/1980 |
| 4193737 | Fish pump A fish pump is described for pumping live fish in water from one location to another. The pump is designed specifically for pumping live fish without injuring the fish. Of special significance is the pump rotor. It includes symmetrical helical-spiral pass... | 03/18/1980 |
| 4169632 | Pneumatic system for feeding a plurality of cards with open fiber flocks Each card is interconnected to a multiplicity of pneumatic feed ducts via a branch duct which can be selectively placed in communication with any one of the feed ducts. Each branch duct includes a plurality of openings near one end, each of which is opene... | 10/02/1979 |
