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| Number | Title | Issue Date |
| 7252036 | Rotor blades for food processing machines A rotor for food pulping or straining machines is equipped with a plurality of blades (2) designed to act on the food product to force at least part of it out through a sieve (3) that surrounds the rotor (1) and is characterised in that the blad... | 08/07/2007 |
| 7134623 | Hammermill A hammermill having a housing, a rotor assembly, a plurality of hammers, and a attrition plate assembly is provided to reduce oversized particulate material to a desired size. The housing has a sidewall that extends between an inlet end and an discharge end which de... | 11/14/2006 |
| 7097871 | Deflavored vegetable powders, methods of making them, and systems for vegetable milling The present invention relates to vegetable powders and methods of making them. The methods can include one or more inventive methods of dehulling, steaming, and/or milling and air classifying a millable vegetable. The vegetable powders can have improved processing c... | 08/29/2006 |
| 7051880 | Air classifier to separate solids while eliminating emissions An air classifier to separate solids by air classification while eliminating emissions. The air classifier includes an in-feed delivery mechanism, such as a continuous conveyer belt in order to deliver solids to an input chamber. A hanging curtain is movable in resp... | 05/30/2006 |
| 6964544 | System for pneumatically conveying bulk particulate materials A system for pneumatically conveying a bulk particulate material generally consisting of means for holding such material, having an inlet and an outlet; a first material transport line segment including a first conduit formed of a gas permeable material having an in... | 11/15/2005 |
| 6955313 | Hammer mills The present invention concerns improvements in hammer mills, secondary and tertiary, reversing and not, that allow to resolve problems tied to the shattering of the inert hammers. Through the use of a special device circular of rotation, endowed with blades of inter... | 10/18/2005 |
| 6926215 | Hammermill A hammermill having a housing, a rotor assembly, a first plurality of hammers, and a first attrition plate assembly is provided to reduce oversized particulate material to a desired size. The housing has a sidewall that extends between an inlet end and an discharge ... | 08/09/2005 |
| 6685117 | Method for milling raw materials In a mill drying plant with a roller grinding mill and preferably in a cement production plant operated in compound with a clinker burning process and having a kiln fan and a fan downstream of a filter, a mill fan is connected upstream of the roller grind... | 02/03/2004 |
| 6663029 | Apparatus for crushing waste products and method of operating the same A apparatus for crushing waste metal products includes a rotor having a crushing device on a periphery thereof and a casing enclosing the rotor. The casing has an inlet and an outlet for products to be crushed. An exhaust gas from the casing is partly ret... | 12/16/2003 |
| 6276620 | Milling plant and method for milling raw materials In a mill drying plant with a roller grinding mill and preferably in a cement production plant operated in compound with a clinker burning process and having a kiln fan and a fan downstream of a filter, a mill fan is connected up-stream of the roller grin... | 08/21/2001 |
| 6135371 | Method and apparatus for reducing acid and air toxic emissions in the combustion of comminuted solid particles A cylindrical chamber has a drive shaft rotatably mounted therein and extending along substantially the entire longitudinal extent thereof. This drive shaft is rotatably driven by a motor preferably at a speed of about 3600 rpm. Solid particles to be comm... | 10/24/2000 |
| 6092747 | Automatic pneumatic conveying machine In the broader aspects of the invention, there is provided a new and improved pneumatic conveying machine comprising a vertically sided hopper, and a material agitator/conditioner within the hopper. The hopper has a discharge opening at the bottom of the ... | 07/25/2000 |
| 6076752 | Method and apparatus for inert gas purging/temperature control for pulverizing/grinding system In a grinding/pulverizing system the combustion of the material being processed is avoided by grinding or pulverizing the material at temperatures below the combustion temperature of the material, and/or in an atmosphere of reduced oxygen level incapable ... | 06/20/2000 |
| 6024307 | Device and method for comminution A device for comminuting raw materials like glass, rock, rubber buffings and the like, is disclosed. Raw material is propelled outwardly towards violent impact against a circular wall and then lifted by rapidly rising air for separation and possible retur... | 02/15/2000 |
| 5971302 | Method and apparatus for drying and grinding moist material Apparatus and method for drying and grinding moist raw cement or other material wherein the moist material is introduced to a grinding zone at which it is ground to produce relatively fine and relatively coarse particles which are separated and delivered ... | 10/26/1999 |
| 5967432 | Mill This invention provides a non-ball mill, which makes the material to circulate at high speed within the mill so as to crush the material by means of the impact and friction among the material themselves. The mill includes base, motor, body for forming mil... | 10/19/1999 |
| 5850977 | Method and apparatus for comminuting solid particles A cylindrical vessel has a drive shaft rotatably mounted therein and extending along substantially the entire longitudinal extent thereof. This drive shaft is rotatably driven by a motor at a speed of 1,500-10,000. Solid particles to be comminuted which m... | 12/22/1998 |
| 5839673 | Apparatus for grinding material Apparatus for grinding material which enters the grinder in a wet condition and is subject to drying heat at the grinder to leave moisture in the ground material directed for independently material separation so the propelling initially hot gases looses i... | 11/24/1998 |
| 5695134 | Material reducing hammer mill with internal air circulating fan Material reducing rotary mill for receiving paper material, or the like, from a first chamber and forcibly delivering the reduced material into a second chamber for discharge at an outlet, a bypass passage interconnecting the first and second chamber, and... | 12/09/1997 |
| 5695130 | Method and apparatus for the dry grinding of solids A method and apparatus for the dry grinding of solids, comprises initial coarse grinding of the solids in a controlled vortexing of a fluidized bed and directing the solid fine particles generally upwardly into a vortex grinding zone and grinding the upwa... | 12/09/1997 |
| 5531388 | Air-swept mill An air-swept mill has an annular space with a blade ring between a rotary grinding pan and a casing wall for fluid delivery flow. The annular space and the blade ring form a gas directing or guiding device for rotary flow and circulation flow of the fluid... | 07/02/1996 |
| 5505390 | Two stage hammer mill with particle separator A two stage hammer mill which reduces recycled glass and its associated contaminants to small glass particles in the 100-800 grit size range and waste. The glass grinder is of light weight, modular construction, such that it may be taken apart, relocated,... | 04/09/1996 |
| 5505389 | Closed circuit grinding system A recirculating grinding plant with a crushing high-pressure roller press and sifter which has low energy consumption and which operates without a separate drive disagglomerator for disagglomerating the roll press scabs. The raw material together with the... | 04/09/1996 |
| 5383612 | Apparatus for segregating low BTU material for a multi-source of fuel materials The apparatus for processing a composite supply of material having limestone, culm or gob and pond fines for grinding reduction with coal, has the ability to discard the low BTU value materials and materials hard to grind, and comprising grinding means ha... | 01/24/1995 |
| 5363776 | Exhauster inlet venturi An inlet venturi for coal-side exhauster fan structure used to deliver pulverized coal to a combustion chamber. Generally, the inlet venturi has an axial length comparable to that of the exhauster fan inlet, resulting in a shallow, smooth transition angle... | 11/15/1994 |
| 5251383 | Apparatus for and a method of disposing of wet sludge Apparatus for disposing of wet sludge by conversion to a substantially dry product during grinding of the wet sludge in a drying atmosphere which promotes the separation of the grindings into coarse fractions and fine fractions so that the coarse fraction... | 10/12/1993 |
| 5248101 | Efficient centrifugal impact crusher with dust removal capability and method of using same A centrifugal impact crusher has an enclosed table to ensure that substantially all the material deposited on the table is impacted against the anvils that surround the table. The table includes spaced-apart upper and lower plates that have radially orien... | 09/28/1993 |
| 5215262 | Method and apparatus for comminuting bulk materials A process and device for crushing bulk materials. The material to be crushed is fed from above to a first accelerating device which accelerates it into a first crusher, the fine particles in the crushed material produced by the first crusher being carried... | 06/01/1993 |
| 5195695 | Apparatus for fine grinding A method and apparatus for fine grinding materials normally difficult to grind at ambient temperature, e.g. plastic and elastomeric materials in a fluid classification type impact mill utilizing liquid cryogen to pre-cool the material to be ground, to coo... | 03/23/1993 |
| 5174513 | Efficient centrifugal impact crusher with dust removal capability A centrifugal impact crusher has an enclosed table to ensure that substantially all the material deposited on the table is impacted against the anvils that surround the table. The table includes spaced-apart upper and lower plates that have radially orien... | 12/29/1992 |
| 5170949 | Apparatus and method for processing scrap film An economical apparatus and method for reprocessing scrap film. The apparatus includes a film-air separation chamber for separating air from incoming strips of scrap film, a cutter for cutting the strips into fine pieces, and a storage tank or further rep... | 12/15/1992 |
| 5048761 | Pulverized coal flow monitor and control system and method An apparatus and method for monitoring and controlling the flow of fluid transported solid particles is described. Also an integrated system is disclosed for monitoring and controlling pulverized coal in a non-intrusive manner employing a fluid such as ai... | 09/17/1991 |
| 4932594 | Pulverized coal flow control system An apparatus for supplying a controlled flow of pneumatically transported solid particles, in particular, pulverized coal, comprises a pulverizer or vessel for containing pneumatically suspended solid particles. A supply pipe is connected to the pulverize... | 06/12/1990 |
| 4919340 | Method and apparatus for fiberizing and cellulosic product thereof A method and apparatus for fiberizing feed stock in the form of shreds or the like to form a low density cellulosic product. The shredded feed stock is fed to a material handling rotor that functions as a centrifugal blower. The apparatus includes a housi... | 04/24/1990 |
| 4863106 | Process for low temperature comminution of scrap tires A process and apparatus for the low temperature comminution of tires includes the separation of the tires into tire portions including tread portions, sidewall portions and bead portions. The tire portions are cooled and crushed to form rubber granules an... | 09/05/1989 |
| 4830287 | Pulverized coal flow control system An apparatus for supplying a controlled flow of pneumatically transported solid particles, in particular, pulverized coal, comprises a pulverizer or vessel for containing pneumatically suspended solid particles. A supply pipe is connected to the pulverize... | 05/16/1989 |
| 4798342 | Fuel processing system for control of nitrous oxide emissions The apparatus operates to supply the air requirements for grinding a fuel material to the mill to guarantee the correct particle size and to decouple from the air emitted from the grinding apparatus a certain proportion so the combustion of the ground fue... | 01/17/1989 |
| 4664317 | Comminuter apparatus A comminuter apparatus for comminuting documents and the like in a manner to prevent their legible reconstruction includes a feed hopper having a closable access opening and a discharge opening such that materials introduced into the hopper pass by gravit... | 05/12/1987 |
| 4637556 | High efficiency separator system A high efficiency separator system (10) operative for processing material that includes grinding means (12), high efficiency separator means (14), dust collector measn (16) and fan means (18) all of which are interconnected in a predefined flow path. In a... | 01/20/1987 |
| 4582264 | Jet-type grinding systems for large particles A jet-type grinding system for grinding relatively large particles, such as coal and the like, wherein the particles to be ground are entrained in a circulating gaseous vortex in which the particles are caused to pulverize each other, the system including... | 04/15/1986 |
