| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 241107000 | Plural rotary or oscillatory surfaces cooperate with common surface (e.g., chasing mills) | 34 |
| 20090057450 | Roller mill for grinding solid material - The invention relates to a roller mill for grinding solid material such as cement raw materials and similar materials, said roller mill comprising a substantially horizontal grinding table and at least two rollers which are configured for interactive operation with said grinding table. wherein at least one of said rollers rotates about a stationary shaft connected to a rocker arm pivotally connected to a mill stand which substantially is situated outside said grinding table and therefore does not utilize a mill stand and the remaining rollers do not utilize a mill stand. According to the invention the number of rollers, and thereby the capacity of the mill is increased without introducing more mill stands. | 03-05-2009 |
| 20090134255 | GRINDING APPARATUS FOR A CONDIMENT GRINDER - A light weight, low cost grinder assembly for a pepper grinder includes male and female rotary grinding members spaced to create between them a gap which determines the size of the ground pepper. Each of the male and female members is a composite of a polymer part and a corrugated steel grinding member which is advantageously produced by pressing. | 05-28-2009 |
| 20100102155 | Fixed Quantity Supply Apparatus for Breaking Open Waste Envelope - A waste steady-supply apparatus, including: an input hopper for transferring waste envelopes introduced from outside to a waste envelope breaking device; a break-supply assembly that is steadily and continuously breaking the waste envelopes open; and a cutting assembly for additionally cutting and discharging the waste envelope which has not broken enough by the break-supply assembly. | 04-29-2010 |
| 20100181401 | Roller Mill For Grinding Particulate Material - A roller mill ( | 07-22-2010 |
| 20100219276 | ROLLER MILL - A roller mill for grinding particulate material, such as cement raw materials, cement clinker and similar materials has a rotatable grinding table with a substantially vertical centerline and a number of rollers being configured for interactive operation with the grinding table and turning about separate roller shafts which are fixed to a rotatable center shaft with a substantially vertical centerline. The center shaft and the grinding table are fixed one to the rotor and the other to the stator of the same motor, which may have the capability of rotating both the grinding table and the center shaft. | 09-02-2010 |
| 20110215180 | Roller Mill for Grinding Particulate Material - A roller mill includes a substantially horizontal grinding table, at least one roller operating interactively therewith which is configured for rotation about its centerline by means of a roller bearing and being connected to a roller shaft. The roller mill also includes a force device for at least partial absorption of an axial force originating at least from the roller and acting in the longitudinal direction of the roller shaft. The force device comprises a first part mounted on a machine component which is stationary relative to the longitudinal direction of the roller shaft and a second part mounted on a machine component rotating about the centerline of the roller and co-rotating therewith. The first and second parts comprise opposing pressure surfaces which both extend substantially perpendicular to the longitudinal direction of the roller shaft and form between them a compartment. The pressure surface on the first part is oriented in the opposite direction to the axial force acting in the longitudinal direction of the roller shaft and the pressure surface on the second part is oriented in the same direction as the axial force acting in the longitudinal direction of the roller shaft. An apparatus configured to introduce a pressurized viscous medium into the compartment between the opposing pressure surfaces is also included. | 09-08-2011 |
| 20120223170 | AIR SEAL ASSEMBLIES - A yoke air seal assembly for sealing a vertical pulverizer yoke includes a yoke seal housing ring having a plurality of circumferential segments mounted together end to end in a ring. A seal ring is mounted radially inside the housing ring. The seal ring has a radially inner face having a plurality of grooves defined therein for forming a labyrinthine air seal against a pulverizer yoke. The seal ring can be segmented into a plurality of circumferential seal ring segments. The segmented ring configuration facilitates installation and replacement of yoke seal components, increases operational lifetime thereof, and reduces down time for such installation and replacement. | 09-06-2012 |
| 241109000 | With material feeding mechanism or control | 3 |
| 20100078511 | Star feeder with comminuting insert - A star feeder for conveying all types of bulk materials and having a comminuting insert for crushing bulk material agglomerates ( | 04-01-2010 |
| 20100282883 | MULTI-SECTIONAL ROLLER MILL - A multi-sectional roller mill comprises at least two mill sections ( | 11-11-2010 |
| 20120091239 | Feed Shaft for Feeding Particulate Material to a Mill - A description is given of an inclined feed shaft for feeding particulate material to a mill. The feed shaft is configured for rotation about its longitudinal axis. The feed shaft may be configured so that any incipient formation of coatings on a wall of the shaft is continuously cleaned off and dislodged from that wall by descending material particles in the feed material so that the feed shaft is self cleaning. | 04-19-2012 |
| 241110000 | Plural surfaces move across common surface | 3 |
| 20090039187 | Vertical Mill - The invention relates to a vertical mill comprising a grinding track ( | 02-12-2009 |
| 20090121060 | FINE GRINDING ROLLER MILL - A roller mill | 05-14-2009 |
| 20100176232 | ROLLER MILL FOR GRINDING PARTICULATE MATERIAL - A roller mill ( | 07-15-2010 |
| 241114000 | Radial faces of plural rotary surfaces cooperate with common surface | 4 |
| 20090008487 | Loading system for vertical material size reduction system - The invention provides a loading system for a vertical material size reduction system including a pressure frame configured and adapted to be attached to at least one roller wheel assembly of the vertical material size reduction system. The loading system also includes at least one hydraulic cylinder operably connected to the pressure frame. The hydraulic cylinder is configured and adapted to apply a force to the pressure frame to apply pressure through the at least one roller wheel assembly to a grinding table of the vertical material size reduction system. The invention also provides a kit and a method for retrofitting a vertical material size reduction system accordingly. | 01-08-2009 |
| 20100200684 | Rolling Bearing - Described is a rolling bearing ( | 08-12-2010 |
| 20100258661 | Roller Mill - A roller mill for grinding particulate material such as cement raw materials, cement clinker and the like includes a grinding table and a set of rollers rotatable about a vertical shaft. The set of rollers include a number of rollers rotating about separate roller shafts, which are connected to the vertical shaft. A nozzle ring for directing gases into the roller mill is also included. The nozzle ring encloses the grinding table. Means for regulating the gas flow through the nozzle ring is also provided. At least some of the regulation means are arranged to rotate together with the rollers. Preferably, the position of at least some of the regulation means for regulating gas flow through the nozzle ring relative to the rollers may remain the same so that the gases introduced into the mill via the nozzle ring may exhibit the same flow pattern in relation to the rollers. | 10-14-2010 |
| 20110114768 | Roller Mill for Grinding Particulate Material - A roller mill for grinding particulate material such as for example cement raw materials, cement clinker and similar materials, said roller mill comprising a mill housing enclosing a grinding table and a set of rollers rotatable about a vertical shaft. The set of rollers are configured for interactive operation with the grinding table and comprising a number of rollers each rotating about a roller shaft which is connected to the vertical shaft via a hinged connection with a center of rotation which allows a free circular movement of the roller in upward and downward direction in a plane comprising the centerline of the roller shaft. The center of rotation of the hinged connection in a vertical plane is located under the centerline of the roller shaft. The grinding table is rotatable about the vertical shaft and the roller mill may include mechanisms or devices that are sized and configured to introduce gases into the mill housing and may also include mechanisms or devices configured to allow for continuously diverting ground material suspended in gases out of the mill housing. | 05-19-2011 |
| 241117000 | Common surface moves during comminution | 16 |
| 20090127362 | Roller mill for comminuting solid materials - A roller mill for comminuting solid material having a mixture of hard and soft components which is capable of acting on the solid material at two or more distinct pressures to thereby comminute both hard and soft components of the solid material. | 05-21-2009 |
| 20130146694 | VERTICAL MILL - In a vertical mill, a pulverization table ( | 06-13-2013 |
| 20130175378 | VERTICAL MILL ROLLER - In grinding of a raw material by a vertical roller mill, highly-efficient grinding is performed irrespective of the type of the raw material, and the life of the mill roller is extended. In order to achieve these, in a grinding roller used in a vertical roller mill, an outer circumferential surface of the roller as a grinding surface is divided into a main grinding surface that mainly performs pulverizing and a grinding surface other than the main grinding surface. The main grinding surface is made smooth, and the grinding surface other than the main grinding surface is a raw material transfer surface in which slit grooves inclined at 90 degrees or an angle exceeding 45 degrees relative to a roller circumferential direction or screw grooves inclined at 45 degrees or smaller relative to the roller circumferential direction are formed. | 07-11-2013 |
| 20140021279 | HEAVY DUTY MILL - In a drive arrangement for a heavy duty mill an electric motor with a high number of magnetic poles and a stator that is segmented into at least four stator segments is used. By providing one, more or all of the stator segments with a three phase winding system, a highly modular mill drive with a high power density and therefore reduced space requirements is provided. | 01-23-2014 |
| 20140197260 | VERTICAL MILL - In a vertical mill, a mill table is supported in a housing by a support shaft center, which is along a vertical direction, in such a manner as to be driven and rotated, and above the mill table, a mill roller is rotatably supported by a first support shaft, and the mill roller is capable of rotating the mill table in such a manner that an external peripheral surface of the mill roller comes into contact with an upper surface of the mill table, and a support arm configured to support the first support shaft is swingably supported on the housing by a second support shaft, in such a manner that the mill roller can come close to or move away from the mill table, and a reaction force load giving device is provided that has a dumper filled with a magnetorheological fluid and magnetizes the magnetorheological fluid. | 07-17-2014 |
| 20160121336 | HEAVY DUTY DRIVE ARRANGEMENT AND MILL - The present application relates to a heavy duty drive arrangement ( | 05-05-2016 |
| 20160184831 | VERTICAL MILL ROLLER - In grinding of a raw material by a vertical roller mill, highly-efficient grinding is performed irrespective of the type of the raw material, and the life of the mill roller is extended. In order to achieve these, in a grinding roller used in a vertical roller mill, an outer circumferential surface of the roller as a grinding surface is divided into a main grinding surface that mainly performs pulverizing and a grinding surface other than the main grinding surface. The main grinding surface is made smooth, and the grinding surface other than the main grinding surface is a raw material transfer surface in which slit grooves inclined at 90 degrees or an angle exceeding 45 degrees relative to a roller circumferential direction or screw grooves inclined at 45 degrees or smaller relative to the roller circumferential direction are formed. | 06-30-2016 |
| 241119000 | With material moving or discharge means | 3 |
| 20100123033 | Biomass mill - The invention provides a biomass mill, comprising a rotatable pulverizing table | 05-20-2010 |
| 20110114769 | DOUBLE COURSE VANE WHEEL - A double course vane assembly for use in connection with the milling bowl of a pulverizer/classifier. The two courses are attached to the outer peripheral edge of the milling bowl and are concentric with one another. The vanes in the first course are angled in one sense and the vanes of the second course are angled in the opposite sense. | 05-19-2011 |
| 20110168819 | Coal Pulverizer/Classifier Detector - An improved deflector structure for an updraft classifier mill for coal and ore is described. The improved deflector structure has an impingement surface which is characterized by a pattern of surface irregularities, either raised geometric figures or recesses of varying sizes and shapes to create turbulence in the air emerging from a rotating vane structure and impinging the deflector as it travels upwardly through the mill housing. | 07-14-2011 |
| 241120000 | Positively driven plural surfaces | 1 |
| 20090314866 | ROLLER MILL - A roller mill is provided that includes a housing, a grinding plate with a drive, and grinding rollers which roll down on the grinding plate, wherein rockers and rocker axes are provided for each grinding roller, as well as tensioning devices having hydraulic cylinders for pressing the grinding rollers onto the grinding plate. A swivel device having a swivel axis is provided for each grinding roller. The hydraulic cylinders are capable of swiveling the grinding rollers out of the housing. The grinding rollers are mounted next to the mill housing on consoles, and the hydraulic cylinders are located next to the consoles. | 12-24-2009 |
| 241121000 | Plural surfaces forcible away from common surface | 5 |
| 20080237379 | SEAL FOR COILED SPRING ASSEMBLY - A coil spring assembly for connection with a separator body to apply a spring force to a grinding roll of a journal assembly to pulverize solid fuel. The coil spring assembly includes: a preload stud having a first end in communication with the journal assembly and an exposed opposite second end extending from the coil spring assembly; a spring adjustment bolt and bearing assembly being fixed relative to the preload stud extending therethrough; and a seal being substantially cylindrical shaped and flexible at least along a central axis thereof. The seal has a first end operably secured to the spring adjustment bolt and bearing assembly and an opposite second end operably secured to the second end of the preload stud thereby sealing a bushing area corresponding to a portion of the preload stud surrounded by the spring adjustment bolt and bearing assembly from ground solid fuel dust and allowing movement of the preload stud at least along the central axis thereof to apply the spring force from the coil spring assembly to the grinding roll. | 10-02-2008 |
| 20090200409 | ROLLER MILL - The invention relates to a roll mill having a grinding plate and at least one grinding roll rolling on the grinding plate, wherein material which is to be comminuted, after being subjected to loading in a gap formed between the grinding plate and grinding roll, is directed away over the periphery of the grinding plate and, furthermore, a stationary accumulating edge, which does not rotate along with the grinding plate, is provided, at least on that side of the grinding roll which is directed towards the periphery of the grinding plate, this accumulating edge forming at least part of an elevation of the periphery of the grinding plate. The elevation of the periphery of the grinding plate here is higher in the region of the grinding rolls than in the region between the grinding rolls, in order to prevent the material which is to be comminuted from escaping radially from the gap formed between the grinding plate and grinding roll. | 08-13-2009 |
| 20090308961 | ELECTRONICALLY CONTROLLED JOURNAL LOADING SYSTEM - An electronically controlled journal loading system | 12-17-2009 |
| 20140263786 | Vertical Roller Mill - A vertical roller mill, comprising a pulverization table ( | 09-18-2014 |
| 20150298133 | GRINDING DEVICE - A grinding device, in particular a vertical mill for grinding a grinding material, the grinding device including at least two grinding elements that are movable relative to one another, wherein the two grinding elements together form at least one grinding portion in which the grinding material is grindable by the two grinding elements; and at least one contact pressure device including at least one hydraulic cylinder including a cylinder operating chamber and at least one gas spring including a spring operating chamber, wherein the cylinder operating chamber and the spring operating chamber are flow connected with one another, wherein a contact force is impartible upon at least one of the grinding elements by the at least one contact pressure device and the grinding elements are pressable onto one another by the contact force, wherein a smallest flowable cross-sectional surface between the cylinder operating chamber and the spring operating chamber amounts to at least 10% of a cross-sectional surface of the cylinder operating chamber and/or a connecting section extending between a first transitional cross-section of a connecting component communicating with the cylinder operating chamber, and a second transitional cross-section of the connecting component communicating with the spring operating chamber, wherein the connecting section has a maximum length of 100 cm. | 10-22-2015 |
| 241123000 | Planetary movement of plural surfaces | 1 |
| 241127000 | Forcible away from common surface | 1 |
| 241131000 | Centrifugally urged toward contact | 1 |
| 20130126649 | Ring for Grinding Mill - The present invention is related to a segmented grinding ring for centrifugal vertical roller mills comprising a plurality of segments. | 05-23-2013 |
