Bizarre Patents
A helium-filled sun shade for protecting individuals engaged in outdoor activities.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7959436 | Fine dust removal system for lime kiln A fine dust removal system for a rotary lime kiln includes a preheater adjacent the charging end of the kiln and a housing adjacent to and communicating with kiln charging end, such that a major portion of not off-gases containing solid particulates are diverted to ... | 06/14/2011 |
| 7488172 | Methods of mixing high temperature gases in mineral processing kilns A method is described for reducing NOx emissions and improving energy efficiency during mineral processing in a rotary kiln. The method comprises injection of air with high velocity/high kinetic energy into the kiln to reduce or eliminate stratification o... | 02/10/2009 |
| 6901868 | Plant for the thermal treatment of material and operation process thereof The plant for the thermal treatment of material, in particular scrap material, comprises at least a reaction zone within a rotary kiln having the longitudinal axis inclined of an angle in the range 0°±45° with regard to an horizontal plane and provided of first h... | 06/07/2005 |
| 6380517 | High temperature rotating vacuum kiln and method for heat treating solid particulate material under a vacuum A rotating vacuum kiln for heat treating solid particulate material under vacuum conditions uses a rotating refractory metal cylindrical vessel with a cool inlet zone, hot intermediate zone, and cool exit zone, with a first series of inner radiation shiel... | 04/30/2002 |
| 6279492 | Method of thermally decomposing waste materials A method of burning tires in a horizontally rotating combuster includes the steps of loading the tires into a rotating combustion chamber through a traveling air lock and burning them until they are reduced to ash; enhancing combustion by tumbling the bur... | 08/28/2001 |
| 6042370 | Graphite rotary tube furnace A rotary tube furnace suitable for operation in controlled atmospheres at temperatures in the range of 1500° to 2800° comprises a generally horizontal rotatable graphite tube slidably supported on water-cooled split ring graphite bearings. The graphite ... | 03/28/2000 |
| 5997288 | Apparatus for thermal removal of surface and inherent moisture and limiting rehydration in high moisture coals A flighted, horizontally inclined rotary retort, heated externally by flame, hot gases, steam or other sources of heat. The retort shall have sufficient flight area to transport the coal through the retort in the predetermined time. The coal being process... | 12/07/1999 |
| 5967062 | Rotating tire combuster An apparatus burns tires in a horizontally rotating combuster. The tires are loaded into a rotating combustion chamber through a traveling air lock and burned until they are reduced to ash. Combustion is enhanced by tumbling the burning tires in the rotat... | 10/19/1999 |
| 5927970 | Apparatus for recovering hydrocarbons from solids An apparatus is provided which is a trailer mounted rotating drum having an auger feed, an air tight seal, chain, and spiral and lateral flights within the drum which is heated externally, through which contaminated soil, such as drilling cuttings, is hea... | 07/27/1999 |
| 5906483 | Rotary film calciner An apparatus for drying/calcining comprises a horizontally extending rotatable drum and a center tube, concentrically positioned within the rotatable drum to provide an annular combustion chamber between the outer wall of the center tube and the inner wal... | 05/25/1999 |
| 5788481 | Carbon reactivation apparatus A carbon reactivation apparatus has a fossil fuel kiln adjacent to a rotary dryer and flue gas from the kiln flows through the dryer co-currently with carbon particles to provide a more efficient process than previously known. The apparatus has a rotary k... | 08/04/1998 |
| 5779468 | Device for supplying gas to rotary kilns The invention relates to a device for supplying gas to a rotary kiln, which has a gas supply pipe 5 divided into segments 17 which is connected to an external gas source via an enclosing bracket 7.... | 07/14/1998 |
| 5580242 | Rotary kiln A rotary kiln has a generally cylindrical housing centered on and extending along an axis inclined to the horizontal and having an upper upstream end and a lower downstream end and a drive that rotates the kiln about its axis. Particles to be heat-treated... | 12/03/1996 |
| 5431560 | Device for supplying gas to a cylindrical rotary kiln A device for supplying gas to a rotary cylinder by means of a slip ring channel is described, a relative movement between rotating part and stationary part of the slip ring being permitted.... | 07/11/1995 |
| 5312599 | Rotary furnace apparatus for making chemically activated carbon An improved apparatus and method for the manufacture of activated carbon wherein a carbonaceous raw material impregnated with a chemical activating agent is treated by controlling the rate of heat transfer to the particles via indirect heating of the acti... | 05/17/1994 |
| 5301619 | Installation for the incineration of waste The drum of the installation is provided with a double wall which is closed on its rear end and where the inside wall of which is provided with openings, with a hollow central tube provided with openings the rear end of which tube is closed, and with radi... | 04/12/1994 |
| 5286200 | Rotary kiln A rotary kiln with primary air feed at the end wall of the rotary kiln is distinguished by the feature that at least two primary air nozzles are oriented relative to each other and to the fuel bed so that two oppositely directed vortices are generated wit... | 02/15/1994 |
| 5270017 | Apparatus for making chemically activated carbon An improved apparatus and method for the manufacture of activated carbon wherein a carbonaceous raw material impregnated with a chemical activating agent is treated by controlling the rate of heat transfer to the particles via indirect heating of the acti... | 12/14/1993 |
| 5227026 | Retort heat exchanger apparatus A heat exchanger including one or more rotating drums with a freely rotating helix inside the drum to move material to be heated or cooled longitudinally through the drum, as well as to help clean the surface of the drum, together with carriers to assist ... | 07/13/1993 |
| 5212144 | Process for making chemically activated carbon An improved apparatus and method for the manufacture of activated carbon wherein a carbonaceous raw material impregnated with a chemical activating agent is treated by controlling the rate of heat transfer to the particles via indirect heating of the acti... | 05/18/1993 |
| 5031549 | Method of introducing air into a rotary combustor An improved method of introducing air into a rotary combustor for burning municipal solid waste in an incinerator, wherein a large amount of air is introduced over the top portion of the combustor adjacent the outlet end thereof to maintain the CO at acce... | 07/16/1991 |
| 4978294 | External heating rotary furnace This invention aims to offer an external heating rotary furnace for indirectly heating materials such as ore, coke, etc. which are liable to be oxidized, by insulating then from an oxidixing combustion gas atmosphere. The furnace comprises the following m... | 12/18/1990 |
| 4961391 | Thermal treatment process for organically contaminated material A thermal treatment process employs an indirectly fired rotary kiln in which matrix material contaminated with organic substances such as dioxins, PCBs, PAHs, fuel oils, and the like is heated as the material is advanced through the kiln to cause componen... | 10/09/1990 |
| 4948365 | High-temperature, gas-burning furnace A novel high-temperature, gas-burning furnace has a rotating porous-ceramic bed, which serves the integral functions of wall insulator, thermal regenerator, combustion chamber, and radiant heater. The configuration permits high chamber temperatures (up to... | 08/14/1990 |
| 4934931 | Cyclonic combustion device with sorbent injection A combustion device for the pyrolytic destruction and gasification of industrial or other wastes, or lower sulfur fuels, is provided which includes an elongated cylindrical kiln body. Air is introduced into the kiln body by a plurality of pipes which defi... | 06/19/1990 |
| 4744155 | Apparatus for removing dust from pyroprocessed particulate material Apparatus for minimizing dust in a kiln system for pyroprocessed particulate material such as lime received from a source such as a kiln. A suction nozzle is located in close proximity to the underside of a stream of falling particles discharging from a k... | 05/17/1988 |
| 4684342 | Method and apparatus for the thermal treatment of a batch of raw material An apparatus for the thermal treatment of a batch of raw material has a casing and a drum rotatably mounted in the casing, the drum being made of good thermally conductive material and being substantially closed off from the open atmosphere. A drive is pr... | 08/04/1987 |
| 4676740 | Heat exchange apparatus and process for rotary kilns Heat exchange apparatus is provided for use in a rotary kiln having a bed therein for introducing thermal energy directly into central portions of the bed without lifting or tumbling thereof. In this manner, efficient heat transfer is effected from hot up... | 06/30/1987 |
| 4626201 | Combustion chamber for a commercial laundry dryer A combustion chamber for supplying heated air to a commercial dryer utilizes a back-mounted burner firing through coaxial cylinders of different diameters contained in the combustion chamber to heat air drawn through the larger cylinder. Additional fresh ... | 12/02/1986 |
| 4541346 | Rotary high temperature reactor A rotary drum 2 is provided with vanes 26 extending longitudinally thereof defining passages 21 therebetween with gas to be fed to the reactor being fed only to those of the passages 21 the outlets from which into the reactor are covered by the solid mate... | 09/17/1985 |
| 4507081 | Apparatus with heat exchange means for treating solid, granular and aggregate materials An apparatus (14) embodying heat exchange means for treating solid, granular and aggregate materials, and in particular for treating spent, i.e., used, chemically bonded foundry sand. The subject apparatus (14) includes a rotatable first chamber means (16... | 03/26/1985 |
| 4451231 | Drying of particulate material A process for the removal of volatile liquid from particulate material employing indirect heating of the particulate material by means of combustion gases resulting from the combustion of sulfur-containing fuel, and further employing purging of the thus h... | 05/29/1984 |
| 4439141 | Recuperative double chamber rotary furnace An apparatus that is designed to heat a flowable granular material up to an elevated temperature and cool the material back down to a temperature that is as close as possible to the temperature of the incoming material before exiting, where a substantial ... | 03/27/1984 |
| 4437835 | Method of and apparatus for measuring the rate at which gases are blown into a rotary kiln Gases are blown into the kiln through its shell by means of shell pipes or nozzle blocks. The rates at which gases actually enter the kiln are ascertained in that the pressure in each supply duct is pneumatically tapped at a constriction and is applied to... | 03/20/1984 |
| 4398471 | Device and method for pyrolyzing waste materials This invention is a device for pyrolyzing waste materials comprising a low - temperature carbonizing reactor. The reactor includes a longitudinally extending tubular vessel adapted to be loaded with waste materials to be pyrolyzed and a flue gas duct whic... | 08/16/1983 |
| 4373908 | Kiln shell nozzle with annular fluid delivery A port assembly for delivering fluid through a shell of a horizontal rotating reactor, such as a rotary kiln, is disclosed for purging from the port particulate material which enters port piping when no fluid is passing through the port. The port assembly... | 02/15/1983 |
| 4373909 | Gas injecting kiln shell nozzle with particle entry barriers A port assembly for delivering fluid through a shell of a rotary kiln is disclosed with structures for screening and excluding particulate matter from the port during operation of the kiln. The port assembly comprises a cylindrical nozzle defining a nozzl... | 02/15/1983 |
| 4283171 | Heating device A heating device comprising at least one drum open at both ends thereof. The drum is adapted to continuously rotate around a substantially horizontal axis. The device further comprises at least one burner arranged within the drum which itself comprises a ... | 08/11/1981 |
| 4266931 | Apparatus and method of heating particulate material The rotary combustion bed has a rotary drum with a permeable refractory lining through which air is blown during rotation of the drum and cascading of a charge of material in the drum. The air blown into the drum can be controlled to blow through various ... | 05/12/1981 |
| 4260368 | Process and a device for treatment of biologic fuels This invention relates to a process and a device for treatment, comprising at least drying, of preferably peat and the object thereof is reduction of the moisture percentage to the lowest possible level with a low supply of energy and simultaneously makin... | 04/07/1981 |
