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| Number | Title | Issue Date |
| 7368090 | FCC spent catalyst distributor An distributor arrangement introduces spent FCC catalyst more uniformly across the dense bed of the regenerator to provide more even contact with regeneration gas in order to avoid hot spots and zones of incomplete combustion. The invention forms a fluidized hopper ... | 05/06/2008 |
| 7305924 | Apparatus and method for delivery of biomass fuel A method and apparatus for delivering biomass fuel to a structure through an external wall of the structure is disclosed. The apparatus comprises a hopper disposed within a delivery vehicle. The hopper includes an inlet disposed on its top surface to receive biomass... | 12/11/2007 |
| 6860989 | Make-up water re-circulation in slurry processing unit Make-up water derived from an on-shore treatment facility is returned to a slurry processing unit on board a dredge by means of a water supply pipeline floating alongside a slurry delivery pipeline that conveys dredged material to the on-shore treatment facility. Af... | 03/01/2005 |
| 6663325 | Transport system for spherical objects and method of using the transport system A transport system for a spherical object. The transport system has a supply of a first fluid and a passageway for communication of a spherical object in a path between an inlet and an outlet. At least part of the passageway is bounded by a first tube hav... | 12/16/2003 |
| 6609871 | System for handling bulk particulate materials A system for handling a bulk particulate material generally consisting of a vessel for holding a mass of such material; a first elongated tube formed of a gas permeable material, having an inlet communicating with such vessel; a second elongated tube form... | 08/26/2003 |
| 6595350 | Bladder conveyor systems and method Conveying systems and methods in which a series of inflatable bladders are inflated and deflated in such a way as to convey objects in given directions.... | 07/22/2003 |
| 6428246 | System and method of conveying, storing, and dispensing packing material A system and method for conveying and dispensing packing material, such as a chain of linked air bags which includes a pressurized pathway and an elongated hopper that conveys and dispenses the air bags. The hopper includes a plurality of air jets that tr... | 08/06/2002 |
| 6368028 | Conveying systems for compacted, friable solids A gas conveying system capable of conveying a solids material without pushing or compressing the solids material. The system comprising: at least one conduit assembly comprising a conduit, a lance assembly disposed about a first end of the conduit which i... | 04/09/2002 |
| 6170819 | Non-contact sheet handling system and method of using same A non-contact sheet handling system includes a first valve controlling air flow to a manifold and a second valve controlling air flow from the manifold to an air pan. A non-contact plate having venturis covers the air pan. In an alternate embodiment, the ... | 01/09/2001 |
| 6106202 | Pneumatic conveying air assist line with air bleed A pneumatic conveying transport system for bulk materials has a conduit that carries material in a gas flow, and at spaced locations along the conduit air assists are provided to inject a supplemental amount of air into the conveying conduit when back pre... | 08/22/2000 |
| 6039512 | Feeder system and method for supplying electrical components to a pickup location A feeder system (1) and method supplies electrical components (20) to a pick-and-place machine (14). The feeder system (1) has a hopper (2) coupled by a passage (4) to a pickup location (3). The electrical components (20) are provided by air blasts to a f... | 03/21/2000 |
| 5906858 | Method and apparatus for conveying a pulverulent material by means of an injector An injector for conveying a pulverulent material is supplied with entraining air via a line and with dosing air via another line. Dosing air and entraining air are kept constant in their total rate of flow by a flow controller. This yields a particularly ... | 05/25/1999 |
| 5301534 | Multiple lane ironing and doming apparatus A multiple lane ironing and doming apparatus for ironing and doming cup-shaped blanks into can bodies by pushing them through ironing dies by reciprocations of punches. The apparatus comprises: a plurality of punches vertically held and retained at their ... | 04/12/1994 |
| 5269635 | Slurry processing unit By utilizing two inlet pumps and one discharge pump, and controlling the speed of the discharge pump, the pressure in a slurry processing unit can be controlled to facilitate measurement and handling of compressible slurry. It has been found that multiple... | 12/14/1993 |
| 5252007 | Apparatus for facilitating solids transport in a pneumatic conveying line and associated method An apparatus for facilitating solids transport in a pneumatic conveying l. The apparatus reduces the velocity of a gas within the pneumatic conveying line. The following describes a preferred embodiment. An inner cylinder is spliced into the line. An upp... | 10/12/1993 |
| 5240355 | Dense phase transporter pneumatic conveying system A dense phase conveying system for particulate material utilizes air at high pressure and low volume to transport particulate material between a source and a receiver through a conveying line that can range in length to several hundred feet. A series of a... | 08/31/1993 |
| 5224802 | Method and apparatus for controlling the infeed of air into the conveyor conduit of a pneumatic conveyor installation In a method of controlling the infeed of air from an auxiliary conduit of a pneumatic conveyor installation into a tubular conveyor conduit into which compressed gas is introduced from a connecting conduit and the latter, upon a rise in pressure occurring... | 07/06/1993 |
| 5195852 | Vacuum pick-up nozzle with air boost manifold A manifold is disclosed which is adapted to be used with a system such as a truck mounted vacuum system and includes a nozzle which re-routes a portion of the exhaust air from the blower associated with the vacuum system back through the nozzle into the i... | 03/23/1993 |
| 5190415 | Flow induced feed collector and transporter apparatus An apparatus includes a tube having an inlet and an outlet. A plurality of apertures are spaced along a wall of the tube. Flow inducers are applied to the inlet for distributing the flow between the plurality of apertures. The flow inducers may include at... | 03/02/1993 |
| 5053203 | Installation for the fluidized-bed catalytic cracking of a hydrocarbon feedstock The invention relates to an installation for the fluidized-bed cracking of a hydrocarbon feedstock. In accordance with the invention recycling of the regenerated catalyst particles to the intake of the reactor comprise, from upstream to downstream, a pref... | 10/01/1991 |
| 5027835 | Apparatus for pneumatic transportation of particulate material such as tobacco An apparatus for transporting particulate material, such as cut tobacco, including a duct having an inlet for receiving material to be transported, an outlet for transported material, air inlet zones in the duct wall for the passage of air under pressure ... | 07/02/1991 |
| 5002229 | Powder spray gun A powder spray gun comrpises a tubular housing having ambient air flow passages located in the side wall thereof medially of the opposite ends. A pair of air flow amplifiers are mounted in the housing on opposite sides of the ambient air flow passages and... | 03/26/1991 |
| 4915547 | Article transport system A transport system particularly for flat articles, e.g. cards, includes guides which allow alternate articles to be conveyed in different orientations through the same duct (122) so that the risk of jamming or shingling during conveyance is eliminated. In... | 04/10/1990 |
| 4909676 | Apparatus for pneumatically conveying bulk material An apparatus for pneumatically conveying bulk material includes a conveyor line for transporting the bulk material and a secondary line which carries clean gas and is sectionized by spaced three-way/two-way directional control valves. Each control valve i... | 03/20/1990 |
| 4852994 | Process for the production of gas containing hydrogen and carbon monoxide from solid fuel In a process and apparatus for the production of gas containing hydrogen and carbon monoxide from a solid fuel in a fluidized bed, the solid particles contained in the product gas are separated off in a cyclone separator and recycled to the fluidized bed ... | 08/01/1989 |
| 4824294 | Method of and equipment for hydraulic forwarding of solids over long distances and/or to different heights; in particular in undergound mineshafts The hydraulic forwarding of solids over long distances and/or differences in height is effected by means of tube-chamber distributor systems which operate as pressure locks on the booster principle, where use is made of pressure-measurement instruments, s... | 04/25/1989 |
| 4817540 | System for ash reinjection in bubbling-bed fluidized bed combustor An improved reinjection system is described for a bubbling bed fluidized bed combustor of the type having a combustion zone in which fuel is burned in a fluidized bed of granular material, means for collecting particles from the flue gases and means for r... | 04/04/1989 |
| 4706697 | Reducing the necessary pressure drop through slide valves Flow control in a standpipe is improved by the introduction of aeration gas into the standpipe immediately above and in a direction of a valve forming the bottom of the standpipe.... | 11/17/1987 |
| 4685841 | Re-entrainment and air bleed device for pneumatic pipeline conveying systems Pneumatic pipeline conveying system includes a bleed valve for bleeding conveying gas into or out of a pipeline conduit. Such bleed valve is located at one or more strategic locations along the pipeline conduit where a degree of gas/material separation oc... | 08/11/1987 |
| 4637760 | Apparatus for transporting articles by fluid flow through a pipe system Articles having a defined geometric shape are transported from a starting to an end location by fluid flowing through a pipe system. The articles also flow through at least one jet pump which is creating the flow. Guides for the articles are provided in t... | 01/20/1987 |
| 4483646 | Apparatus for distributing powdered particles An apparatus for distributing powdered particles from a single pressurized transporting vessel to a plurality of receiving ends through a plurality of transporting pipes. The vessel is supplied with a pressurized gas to fluidize the powdered particles, wh... | 11/20/1984 |
| 4451183 | Method and arrangement of transporting aggregate, fragmented material and the like Aggregate, fragmented material and the like is transported in a pipeline by introducing foam under pressure into the pipeline along with the aggregate, fragmented material and the like to be transported and the foam and aggregate, fragmented material and ... | 05/29/1984 |
| 4411674 | Continuous clean bag filter apparatus and method A continuously cleaned bag filter provides a second filter stage for removing dust from air discharged from a cyclone or other primary separator. The primary separator removes the majority of particulate matter from air delivered thereto. In the bag filte... | 10/25/1983 |
| 4354776 | Pressurized gas transporter and method Transporter and method for directly transporting powdered materials or the like by a pressurized gas from the delivery container to a hopper connected to packaging or pilling machines through a pipe arrangement connected to the container at its one end an... | 10/19/1982 |
| 4286527 | System for ash removal In the back-pass of a steam generator, hot fly ash collects at a station. At the station to which the ash gravitates, a liquid bath is provided to receive the ash. Nozzles are arranged within the liquid receiving the ash to urge the material into a mechan... | 09/01/1981 |
| 4162811 | Pneumatic conveyor A conveyor for peanuts or other particulate solid has an elongated duct or conduit, an opening for charging the particles into the duct, a fan for moving air at a high velocity through the duct from upstream of the opening, a partition in the duct for cre... | 07/31/1979 |
| 4127950 | Bottom jetting device The invention relates to a device for removing material from a submerged surface. The apparatus has a liquid manifold which supports downwardly directed liquid jets to dig or remove material and upwardly directed liquid jets to impel the removed material ... | 12/05/1978 |
| 4106817 | Apparatus for pneumatically transporting powdery or granular materials Apparatus for pneumatically transporting powdery or granular materials from a material supply unit through a transport pipeline to a material receiver unit. A spherical secondary transport medium with an outside diameter slightly less than the inside diam... | 08/15/1978 |
| 4085976 | Pulverulent material metering and delivery system and method A metering and delivery system for feeding finely powdered coal to a combustion chamber includes a hopper containing finely ground coal, a vertical feed pipe extends from the hopper and a horizontal metering conduit is connected to the lower end of the fe... | 04/25/1978 |
| 4067622 | Method and apparatus for the pneumatic conveying of bulk material Conveyor gas is passed through a conveyor conduit to convey bulk material therethrough, while clean gas is passed through a by-pass conduit connected to the conveyor conduit at positions spaced along the length of the conduits. The by-pass conduit can be ... | 01/10/1978 |
