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| Number | Title | Issue Date |
| 8132520 | Method and device for cooling a layer of bulk material on a conveyor grate A conveyor grate for the transport and cooling of bulk material, for example cement clinker, comprises a grate floor having multiple planks (12), adjacently situated transverse to the direction of transport on associated support structures and operationally m... | 03/13/2012 |
| 8051786 | Stoker grates for circulating combustible material A stoker grate for circulating a combustible material includes a stationary grate sheet support and a moveable grate sheet support fitting with prop rolls on the stationary grate sheet support. The moveable grate sheet support includes a pair of moveable grate sheet... | 11/08/2011 |
| 7424856 | Grate element for a grate of a waste combustion installation The present invention relates to a grate element (1) for a grate of a waste-incineration plant, having a plurality of rows of grate blocks, which are moveable or fixed, arranged one behind the other, a plurality of grate blocks (67) being arranged in e... | 09/16/2008 |
| 7395917 | Method and apparatus for treating a layer of bulk material The invention includes a method and an apparatus for treating, in particular cooling, a layer of bulk material by means of a stream of gas passed through it on a grate. The grate includes a plurality of elongated planks which extend in a conveying direction and are ... | 07/08/2008 |
| 7367799 | Cooler for cooling clinker The invention relates to a cooler for cooling clinker with a device for removal of a sample of the clinker, wherein the cooler has a first cooler section, a second cooler section and a crusher disposed between them, and the device for removal of a sample of the clin... | 05/06/2008 |
| 7284491 | Grate structure for solid fuel burners In one aspect, a grate segment for a burner, comprises a substantially rigid body (30) having a dispersed array of cavities (38) filled with a refractory material. In another aspect, a solid fuel gasifier includes a housing (12) defining a gasif... | 10/23/2007 |
| 7219610 | Grate plate arrangement for step plates A grate plate arrangement for step grates includes box-like grate plates (4) positioned on a grate carrier (2) with a front plate (24) placed on its end wall (18) and fastened to the end wall (18) using one or more studs (26... | 05/22/2007 |
| 7156223 | Method and apparatus for treating a layer of bulk material The invention includes a method and an apparatus for treating, in particular cooling, a layer of bulk material by means of a stream of gas passed through it on a grate. The grate includes a plurality of elongated planks which extend in a conveying direction and are ... | 01/02/2007 |
| 7021928 | Plate for a sliding cooler grate Grate plate for the push-type grate of a clinker cooler, which has a topside bearing surface exposed to the hot material to be cooled. The grate plate including a rear region having devices for connection to a grate-plate carrier, such that the grate plate front pro... | 04/04/2006 |
| 7017755 | Large coating lump removing device Rear ends of pushing rods 40 are axially connected to a support base 50, which is movably engaged with guide rails 60. A drive unit 70 is disposed to rotatably move wire belts 74 between wheels 73 and 71 at longitudin... | 03/28/2006 |
| 6938563 | Grate furnace A grate furnace with a grate includes grate steps made of grate elements lying next to one another. Every second grate step in the longitudinal direction of the grate can be driven for carrying out stoking movements and the grate steps in each case lying therebetwee... | 09/06/2005 |
| 6926521 | Method and device for treating bulk products Method and apparatus for treating, in particular cooling, bulk material which is lying on a conveying grate (10) in the form of a layer (20). The gas is passed through the grate (10) and the layer (20) from the bottom upward. The grate is... | 08/09/2005 |
| 6345580 | Thrust grate with lateral guidance members for the moved grate component Thrust grate with a stationary grate component and with a grate component (2) moved forwards and backwards and is connected to members for its lateral guidance. These members are formed by oppositely arranged tension elements (3) stretched between the mov... | 02/12/2002 |
| 6332410 | Grate for incineration plants The invention relates to a grate for incineration plants for the incineration of combustible material, in particular refuse, comprising at least one grate track, which is composed of fixed and movable grate-lining rows, which are arranged alternately in t... | 12/25/2001 |
| 6312253 | Cooler for particulate material A cooler for cooling particulate material which has been subjected to heat treatment in an industrial kiln, such as a rotary kiln for manufacturing cement clinker, which cooler comprises an inlet, an outlet, end walls, side walls, a bottom and a ceiling, ... | 11/06/2001 |
| 6213031 | Method of cooling a grate for a furnace and grate for a furnace To cool a grate having alternately fixed and movable rows (1, 1') of grate bars (2), cooling liquid is sprayed into cavities (7), open at the bottom, of the grate bars (2) from spray tubes (10) situated in the underblast region (8) and in the process vapo... | 04/10/2001 |
| 6155184 | Process for incinerating solids on a water-cooled thrust combustion grate, and a grate plate and grate for accomplishing the process A process wherein primary air supplied to the combustion bed through the thrust combustion grate is deflected after exiting from a surface of the thrust combustion grate by deflector elements mounted on the surface of the thrust combustion grate. The grat... | 12/05/2000 |
| 6024031 | Water-cooled thrust combustion grate A thrust combustion grate for burning refuse having altemately stationary (5) and movable (6) hollow grate plates (5,6) in a stairway formation, that rest on each other with their front underedge. The grate plates extend across the entire width of the gra... | 02/15/2000 |
| 5913274 | Incineration grate with internal cooling A grate for a firing plant, having at least one grate track with a plurality of fixed and moving rows of grate-lining units, which rows alternate in the longitudinal direction, are bounded on both sides by side walls and are provided with cooling passages... | 06/22/1999 |
| 5906194 | Side edge assembly for a cooling grate A side edge assembly for a cooling grate comprises a first aligned array of outer plates arranged in succession in the longitudinal direction of the grate and a second aligned array, which is between the grate and the outer plates, of inner plates arrange... | 05/25/1999 |
| 5899149 | Incineration grate with ducts for conveying a heat transmission medium A fuel-conveying incineration grate has grate beams (1) for extending in a longitudinal direction obliquely downward in the longitudinal direction. The grate beams (1) have first surfaces (4) on first sides of the grate beams (1) stepped downwardly in sai... | 05/04/1999 |
| 5882189 | Sliding grate for a burnt-material-cooling unit, and grating plate therefor Described is a grating plate for a sliding grating for a burned-material cooling unit, the grating plate having, in the surface which holds the materials, a recess (13) in which cooling-air outlets (10) are located and, below the recess, a cooling-air fee... | 03/16/1999 |
| 5836758 | Reciprocating grate for the treatment of bulk material The reciprocating grate according to the invention for the treatment of bulk material, particularly for cooling hot material by means of gases, comprises a plurality of rows of grate plates disposed behind one another in the longitudinal direction of the ... | 11/17/1998 |
| 5788480 | Grate element A grate element (1) for a grate surface, e.g. in a clinker cooler, is shaped in the form of a box between the walls (3, 4) of which a number of surface-defining grate bars (5, 6) are mutually arranged so that, between them, they form fine gas channels (7)... | 08/04/1998 |
| 5775238 | Cooled grate block For cooling a grate block which forms a part of a grate for plants for the thermal treatment of waste material, a closed cooling chamber inside a block body of the grate block below an upper wall bearing the waste material is filled with cooling water and... | 07/07/1998 |
| 5766001 | Grate element for a grate surface, e.g. in a clinker cooler A grate element (1) for a grate surface, e.g. in a clinker cooler, is shaped in the form of a box between the walls (3, 4) of which a number of grate surface-defining grate slats (5, 6) are mutually arranged so that, between them, they form fine gas slots... | 06/16/1998 |
| 5722334 | Fire grate, in particular for waste incinerators A fire grate has tensioning devices (3) inserted in recesses (2) of an oven wall (1), with each device acting upon one grate side plate. The tensioning device (3) includes a cylinder (4) inserted into the oven wall, a hollow piston (7) guided therein and ... | 03/03/1998 |
| 5673636 | Garbage incineration process on an incineration grate, incineration grate for carrying out the process and plate for such an incineration grate A process wherein an incineration grate is tempered by a medium that flows therethrough. The grate has a number of hollow plates made of sheet metal. Each plate lies on the next underlying plate. A connection pipe is arranged on one side of each plate and... | 10/07/1997 |
| 5626089 | Grate plate for pusher grate coolers for the cooling of hot material The service life of grate plates for pusher grate coolers for the cooling of hot cement clinker, and the like, is greatly increased at low cost by providing a replaceable wearing part (21) at the forward plate end pushing edge of the grate plate body (12)... | 05/06/1997 |
| 5567150 | Method for making sintered abrasive grain A method for making sintered abrasive grain. The sintered abrasive grain can be incorporated into abrasive articles such as bonded abrasives (e.g., grinding wheels), coated abrasives, and nonwoven abrasives.... | 10/22/1996 |
| 5549471 | Cooler grate for a reciprocating grate cooler The invention relates to a cooler grate for a reciprocating grate cooler, with a plurality of grate plate supports extending transversely with respect to the cooler grate and constructed as hollow bodies, on which in each case grate plates are supported s... | 08/27/1996 |
| 5538128 | Grate for a furnace For the detachable fastening of the grate bars (4) of a grate for refuse incineration plants, the edge bars of the fixed bar rows (3), which are composed of grate bars arranged side by side and coupled in pairs in each case by a bolt (12) fastened on one ... | 07/23/1996 |
| 5489204 | Apparatus for sintering abrasive grain An apparatus useful for sintering unsintered abrasive grain precursor to provide sintered abrasive grain. The sintered abrasive grain can be incorporated into abrasive articles such as bonded abrasives (e.g., grinding wheels), coated abrasives, and nonwov... | 02/06/1996 |
| 5433157 | Grate plate for thrust grating coolers for cooling hot material In order to create a grate plate design for a thrust grating cooler for cooling hot material such as, for example, cement clinker, this grate plate design has troughs at its upper side for accepting and retaining cool material for the purpose of protectin... | 07/18/1995 |
| 5377663 | Grate combustion system The sidewall end grate block includes a first side which can be placed adjacent to a press plate and a second side which is adjacent to another grate block. The first side includes press plate attachment provisions while the second side includes a tension... | 01/03/1995 |
| 5330350 | Reciprocating grate cooler The invention relates to a reciprocating grate cooler in which the drive arrangement is enclosed by a drive housing, the interior of which is closed off so as to be airtight against the atmosphere, but by contrast has a pressure equalization connection to... | 07/19/1994 |
| 5323717 | Refuse feed assembly for incinerators An assembly for feeding refuse from a charging chute of an incinerator onto a stoker disposed in the incinerator comprising a stationary support means disposed adjacent the stoker, stationary guide means mounted on the support means in alignment with the ... | 06/28/1994 |
| 5302119 | Hot cement clinker cooler pocket grate Cooler pocket grate for use in conveying hot clinker from discharge end of cement kiln to cooled clinker processing area. Alternate stationary and moving grates constructed as stainless steel castings are provided with upper surface ridges having through ... | 04/12/1994 |
| 5271339 | Combustion apparatus for a refuse incinerator A combustion apparatus for a refuse incinerator has a plurality of rows of grates arranged in parallel in the directions of breadth and in series in the longitudinal directions of a combustion zone and a post-combustion zone of the combustion apparatus. T... | 12/21/1993 |
| 5269287 | Furnace grate A furnace grate for use in a combustion furnace includes rows of grate bars positioned one behind the other, moveable and stationary grate bar supports, side plates, drive shafts and fluid cylinders. The grate bars are seated on the grate bar supports wit... | 12/14/1993 |
