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| Number | Title | Issue Date |
| 7661909 | Method and a device for powdering, and a use thereof in a powdering system, in particular in an installation for detecting surface defects by sweating Gas under pressure is admitted through an orifice formed in the bottom portion of a tank of substance in powder form, and is guided along an internal tube connected to the admission orifice, the tube passes through the powder stored in the tank and entrains powder t... | 02/16/2010 |
| 6923023 | Methods and apparatuses for controlling optical fiber primary coating diameter Methods and apparatuses estimate and control optical fiber primary coating diameter for wet-on-wet optical fiber manufacturing. The primary coating diameter for a particular length of optical fiber is calculated based upon a measurement of the weight of primary and/... | 08/02/2005 |
| 6494645 | Method and device for determining a powder quantity or change in powder quantity in a container The method according to the invention is suitable for determining a powder quantity in a container and for determining a change in powder quantity, i.e. the powder quantity that is supplied from the container(s). The powder is fluidized in the container, ... | 12/17/2002 |
| 5947645 | Fiber dispensing system A fiber dispensing system for storing and delivering fibrous material includes a housing for receiving and storing the fibrous material. The housing has an activatable dispensing mechanism for selectively dispensing the fibrous material from the housing. ... | 09/07/1999 |
| 5931610 | Fiber dispensing system A fiber dispensing system for storing and delivering fibrous material includes a housing for receiving and storing the fibrous material and shapes supporting the housing. The housing has an activatable dispensing mechanism for selectively dispensing the f... | 08/03/1999 |
| 5775852 | Apparatus and method for adding dry materials to liquid drilling mud system A method and apparatus (10) for delivering dry bulk material (21) to a drilling mud system (50) of an oil and gas well comprises a plurality of collapsible bags (30) for holding a quantity of dry bulk material (21), each bag (30) being supported on a bag ... | 07/07/1998 |
| 5722801 | Material conveying system with flow rate control Particulate material is conveyed in a dense phase in either a batch mode of conveyance or a continuous mode. In either mode, during the conveyance cycle, the flow rate of compressed gas to the transporter vessel is adjusted to control material conveyance.... | 03/03/1998 |
| 5503198 | Method and apparatus for filling containers with dry ice pellets A pneumatic pellet transportation apparatus loads a predetermined quantity of dry ice pellets into an empty container while simultaneously evacuating the containers of dead air. The apparatus includes an aerator for fluidizing the dry ice pellets into a m... | 04/02/1996 |
| 5397062 | Device for setting a prescribed gas quantity A device is proposed which has a nozzle, in particular constructed to resemble a Laval nozzle, as a control device for setting a prescribed fluid mass flow and in which for the purpose of varying the flowing gas quantity the nozzle cross section or the no... | 03/14/1995 |
| 5332337 | Particle feeding device and method for pyrolytic carbon coaters A particle feeding device and method for fluidized bed coaters that has no moving parts. It preferably provides for constant flow of purge gas into the fluidized bed coater and has a feedback control means for monitoring and precisely controlling the flow... | 07/26/1994 |
| 5285735 | Control apparatus for injection quantity of pulverized coal to blast furnace An apparatus for controlling the injection quantity of pulverized coal by measuring the flow rate of the pulverized coal in a conveying pipe, through which the pulverized coal is injected into tuyeres of a blast furnace, in order to regulate the opening o... | 02/15/1994 |
| 5265983 | Cascading pressure continuous blow bottle A system and method for continuously transporting fine solids in dense phase includes a blow bottle having an upper inlet for receiving fine solids under pressure, an intermediate inlet for receiving process media, and a lower inlet for receiving fluidizi... | 11/30/1993 |
| 5150990 | High density pneumatic transport system for use with solid materials A high density pneumatic transport system of solid materials from an airtight transport tank through a transport pipe into a collector. In the airtight transport tank materials are successively fed into a charge tank by reciprocating a slide damper. Simul... | 09/29/1992 |
| 5106238 | Device for transferring solid particles A device for transferring solid particles from an area of higher pressure to one of lower pressure. A stack-up section (3) between the areas is full of particles and large enough to reduce the current of gas flowing through the open stack-up section from ... | 04/21/1992 |
| 5100264 | Photoelectric controlled garbage disposal equipment A garbage pail with electronic control for opening and closing its cover, characterized mainly in that, upon an induction of a sensor to the visible or invisible light it can control the opening and closing action of the cover of garbage pail automaticall... | 03/31/1992 |
| 4904127 | High-density pneumatic transport method for use in powdered or granular materials and system for practising the method An improved method and related system for pneumatically transporting powdered or granular materials stored in an airtight storage container to a collector through a transport pipe in the form of a lengthy column in high density and at a slow speed by the ... | 02/27/1990 |
| 4883390 | Method and apparatus for effecting pneumatic conveyance of particulate solids This invention relates to a method and apparatus for delivering particulate solids in a stream of gas to a selected delivery point. The particulate solids are entrained in a stream of gas, and controls set the desired delivery weight rate for delivery of ... | 11/28/1989 |
| 4758117 | Method for the transportation of a particulate material at controlled rate The invention provides an efficient method for controlling the flow rate of a particulate material through a pneumatic transportation pipe at a preset value with a high accuracy and rapid response to an external disturbance added to the system by controll... | 07/19/1988 |
| 4758118 | Process and apparatus for the metered introduction of fine-grain solid materials into an industrial furnace particularly a blast furnace or cupola furnace A process and apparatus for the metered introduction of fine-grain materials, particularly pulverulent solid substances (i.e., coal dust) from a pressurized metering container which contains a supply of solid material, into an industrial furnace having a ... | 07/19/1988 |
| 4582454 | Apparatus and method for feeding pulverized coal into an air line to a blast furnace Pulverized coal feed tanks are emptied in sequence via a transport line into the hot blast of a blast furnace. Each tank is carried by three load cells whose outputs are summed and differentiated to obtain the actual feed rate. Gas pressure in the tank is... | 04/15/1986 |
| 4529336 | Method of distributing and transporting powdered or granular material A method of distributing powdered or granular material to a plurality of feeding ends in a system having a pressurizing tank for pressurizing and fluidizing a powdered or granular material, a plurality of transportation pipes having one ends constituting ... | 07/16/1985 |
| 4482275 | Method and apparatus for distributing powdered particles Powdered particles are continuously distributed from a pressurized transporting vessel to a plurality of receiving ends such as tuyers of a blast furnace through a plurality of transporting pipes for each receiving end. A speed of gas supplied to the vess... | 11/13/1984 |
| 4453865 | Automatic pressure sensitive regulation assembly An automatic pressure sensitive regulation assembly and process is provided for use with a non-mechanical particulate solids flow apparatus. The automatic pressure sensitive regulation assembly comprises first and second pressurized fluid distributors. Th... | 06/12/1984 |
| 4367987 | Dispensing system for porous floor containers A closed system for fluidizing and conveying solid particulate material from one or more porous floor supply containers to one or more receptor containers by means of aeration while preventing the release of aerated particulate material into the atmospher... | 01/11/1983 |
| 4259031 | Method and apparatus for feeding a processing machine A method and apparatus for feeding material intermittently discharged from one machine, primarily an injection molding machine, to another machine, primarily a granulator mill. The feeding-in operation offers low energy consumption, great flexibility as r... | 03/31/1981 |
| 4200412 | Control for pneumatic conveying system A dense phase pneumatic conveying system with pressurized air applied at the source to deliver granular material through a conveying line to a receiver with a shut-off valve having an air leakage path located in the conveying line operated by a sensing el... | 04/29/1980 |
