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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 7156235 | Apparatus for and method of classifying particles discharged from a vertical mill A classifier for separating coarse particles from a stream of gas and particles discharged from a vertical mill. The classifier includes a generally cylindrical outer casing having a vertical axis and a vertically oriented sidewall disposed on the mill, an inner cas... | 01/02/2007 |
| 6979430 | System and method for controlling NOemissions from boilers combusting carbonaceous fuels without using external reagent A system and a method for controlling NOX emissions from a boiler that combusts carbonaceous fuels. The method includes the steps of (a) introducing carbonaceous fuel and combustion air into a furnace of the boiler for combusting the carbonaceous fuel in ... | 12/27/2005 |
| 6960329 | Method and apparatus for removing mercury species from hot flue gas A method of removing mercury from flue gas containing mercury and particulate solids emanating from a fossil-fuel energy conversion plant and passing through a flue gas duct. The method includes (a) contacting the mercury in the flue gas with a solution containing a... | 11/01/2005 |
| 6877322 | Advanced hybrid coal gasification cycle utilizing a recycled working fluid A power generating system having a hybrid gasification cycle, in which CO2 is recycled to a gasifier to be used as a gasification reactant and working fluid. The power generating system includes a source of fresh, pure oxygen, a gasifier, a particle separ... | 04/12/2005 |
| 6824088 | Roller mill A roller mill includes a base, a pulverizing table having a substantially horizontal upper surface, supported against the base and arranged to rotate around a vertical axis intersecting the upper surface in a center point thereof, an annular groove, formed on the up... | 11/30/2004 |
| 6793013 | Polygonal heat exchange chamber including a tapered portion lined with water tube panels and method of lining a tapered portion of a polygonal heat exchange chamber with such panels A vertical polygonal heat exchange chamber includes an upper opening, a lower opening, and an enclosure formed between the upper and lower openings. The enclosure includes at least one tapered portion that narrows in a direction toward one of the openings. The taper... | 09/21/2004 |
| 6675747 | System for and method of generating steam for use in oil recovery processes A once-through boiler system for use in conjunction with a combustion chamber includes a water inlet through which water having a high total dissolved solids content is supplied to the system, at least one tubular preheating surface for preheating the wat... | 01/13/2004 |
| 6607079 | System and method for controlling particle flow distribution between the outlets of a classifier An apparatus for separating coarse particles from a stream of gas entrained with a mixture of coarse and fine particles includes an outer casing, an inner casing disposed within the outer casing and configured to define a passageway between the outer casi... | 08/19/2003 |
| 6475267 | System and method for removing gas from a stream of a mixture of gas and particulate solids A system for removing gas from a stream of a mixture of gas and particulate solids. The system includes a separation vessel having an upstream end portion and a downstream cowl portion, the upstream end portion having an inlet for introducing the stream t... | 11/05/2002 |
| 6430914 | Combined cycle power generation plant and method of operating such a plant A combined cycle power generation plant includes a boiler for producing steam, the boiler including a furnace for combusting first fuel to produce flue gas, a back-pass for receiving the produced flue gas and a flue gas duct for passing the flue gas from ... | 08/13/2002 |
| 6245300 | Horizontal cyclone separator for a fluidized bed reactor A horizontal cyclone separator in which a furnace section and a vortex chamber communicating with the furnace section and having an inlet which extends a fraction of the length of the furnace section receives a mixture of the gaseous products of combustio... | 06/12/2001 |
| 5765488 | Cyclone furnace combustion system and method utilizing a coal burner A cyclone furnace combustion system and method in which a burner is mounted relative to a cyclone furnace for discharging a relatively fine particulate fuel in an axial direction into the furnace. Relatively coarse particulate fuel is discharged into the ... | 06/16/1998 |
| 5735682 | Fluidized bed combustion system having an improved loop seal valve A fluidized bed combustion system in which a separator receives a mixture of flue gases and entrained particulate material from a fluidized bed in a furnace. A loop seal valve, in the form of three ducts, connects an outlet of the separator to the furnace... | 04/07/1998 |
| 5682828 | Fluidized bed combustion system and a pressure seal valve utilized therein A fluidized bed combustion system in which a separator receives a mixture of flue gases and entrained particulate separated material from a fluidized bed in a furnace. A pressure seal valve connects an outlet of the separator to the furnace or a fluidized... | 11/04/1997 |
| 5678499 | System for preheating fuel A system and method for preheating a mixture of fuel and air as the mixture is introduced into a furnace combustion chamber comprises passing the mixture through a nozzle extending into an upstream portion of an opening defined in a wall enclosing the com... | 10/21/1997 |
| 5667149 | Solids pulverizer mill and process utilizing interactive air port nozzles A solids pulverizing mill for producing fine particles such as coal dust, which includes a housing having a centrally located coal feed chute and enclosing an annular-shaped air port ring containing multiple nozzles located around a rotatable grinding tab... | 09/16/1997 |
| 5582515 | Acoustically pulsating burner with integral adjustable Sondhauss thermoacoustic elements An acoustically pulsating burner assembly which includes an elongated outer tube, a fuel supply means located within the tube, and utilizes one or more integral axially adjustable Sondhauss thermoacoustic tubular elements to generate pulsations within the... | 12/10/1996 |
| 5570645 | Fluidized bed system and method of operating same utilizing an external heat exchanger A system and method of operating a pressurized fluidized bed system in which a bed of particulate material is fluidized by distributing air through the bed. A mixture of flue gases and entrained, relatively fine, material from the reactor is passed to a s... | 11/05/1996 |
| 5567228 | System for cooling and cleaning synthesized gas using ahot gravel bed A method and apparatus for treating synthesized gas ("syngas") comprises introducing the syngas into a lower portion of a vessel. The syngas flows in the lower portion through a static regenerative hot gravel bed and into an upper portion of the vessel co... | 10/22/1996 |
| 5560322 | Continuous vertical-to-angular tube transitions A steam generating system including an upright furnace section formed by a plurality of tubes, a portion of which have upper and lower tube ends and extend at an acute angle with respect to a horizontal plane, a portion of which extend vertically downward... | 10/01/1996 |
| 5553557 | Method of decreasing NOx emissions from a fluidized bed reactor A system and method are disclosed for lowering NOx levels in flue gases of a fluidized bed reactor using selective non-catalytic reduction. A reactor is connected to a separator by a duct, and a reactant is introduced into the duct for decreasi... | 09/10/1996 |
| 5553571 | Rappable steam generator tube bank An apparatus and method of operating a steam generator tube bank are disclosed in which a water drum of a typical steam drum/water drum combination is replaced with a plurality of smaller readers to permit the use of rapping, or mechanical rappers, to cle... | 09/10/1996 |
| 5540275 | Single impact rapping hammer system and method for cleaning tube units A rapping hammer system adapted for periodically rapping and cleaning tubes of a heat exchanger unit to remove undesired deposits from outside the tubes. A plurality of rapping hammers are each pivotably attached to a radial arm extending outwardly from a... | 07/30/1996 |
| 5537941 | Pressurized fluidized bed combustion system and method with integral recycle heat exchanger A fluidized bed combustion system and method in which a recycle heat exchanger is disposed integrally with the furnace of a fluidized bed combustor. The recycle heat exchanger includes a plurality of stacked sections for receiving the recycled solids and ... | 07/23/1996 |
| 5510085 | Fluidized bed reactor including a stripper-cooler and method of operating same A fluidized bed reactor and method of operating same in which a bed of particulate material including fuel is formed in a furnace section. A stripper-cooler is located adjacent the furnace section for receiving particulate material from the furnace sectio... | 04/23/1996 |
| 5500195 | Method for reducing gaseous emission of halogen compounds in a fluidized bed reactor A method for reducing gaseous emission of halogen compounds in a fluidized bed reactor in which the fine particles entrained in flue gases are used to form a temporary layer of particles on the baghouse filter to absorb halogen gases.... | 03/19/1996 |
| 5489202 | Vibration of systems comprised of hot and cold components A system and method for resisting thermoacoustic oscillations in systems comprised of hot and cold components is disclosed. More particularly, a combined cycle power generation system 32 having a gas turbine 40, a gas turbine discharge duct 34, and a gas ... | 02/06/1996 |
| 5486670 | Pilot probe for orbital welding apparatus An orbital type welding apparatus adapted for use in welding tubes into a tubesheet by an inert gas electric arc welding process. The welding apparatus includes a housing, a rotor rotatably mounted within the housing, and a pilot probe unit extending from... | 01/23/1996 |
| 5471955 | Fluidized bed combustion system having a heat exchanger in the upper furnace A fluidized bed combustion system in which a fluidized bed of particulate fuel material is established in a furnace. A duct is formed in the upper portion of said furnace for passing a mixture of flue gases and entrained particulate fuel material to a sep... | 12/05/1995 |
| 5464597 | Method for cleaning and cooling synthesized gas A method and apparatus for treating gas introduced into a vessel containing a particulate material at a temperature less than that of the gas in a manner so that said material reduces the temperature of the gas and the gas entrains at least a portion of t... | 11/07/1995 |
| 5463968 | Fluidized bed combustion system and method having a multicompartment variable duty recycle heat exchanger A fluidized bed combustion system and method in which a recycle heat exchanger is located adjacent the furnace section of the recycle heat exchanger. Heat exchange surfaces are provided in a compartment of the recycle heat exchanger for removing heat from... | 11/07/1995 |
| 5462718 | System for decreasing NOx emissions from a fluidized bed reactor A system and method are disclosed for lowering NOx levels in flue gases of a fluidized bed reactor using selective non-catalytic reduction. A reactor is connected to a separator by a duct, and a reactant is introduced into the duct for decreasi... | 10/31/1995 |
| 5461990 | Mounting and linkage system for burners in a furnace A mounting and linkage system for mounting an air or air-fuel discharge device for pivotal and axial movement relative to a furnace in a manner so that the device is isolated from the walls of the furnace. The system includes a linkage apparatus extending... | 10/31/1995 |
| 5443022 | Fluidized bed reactor and method utilizing refuse derived fuel An apparatus and method of operating a fluidized bed reactor for combusting refuse derived fuel is disclosed. The reactor includes a fluidized furnace section 30 and stripper/cooler section 80. A downwardly sloping grid 28 extends across the furnace secti... | 08/22/1995 |
| 5440871 | Circulating fluidized bed reactor combined cycle power generation system A combined cycle power generation system and method in which a fluidized bed reactor is incorporated in a combined cycle system to recover heat from the hot exhaust gases from the gas turbine and to drive a series of steam turbines. Additional heat is pro... | 08/15/1995 |
| 5425331 | Circulating fluidized bed reactor for low grade fuels A fluidized bed reactor in which a plurality of air bars are supported by a plurality of tubes in an upright enclosure. The air bars support a bed of particulate material and discharge air into the bed to fluidize the material. A cooling fluid is passed t... | 06/20/1995 |
| 5408943 | Split stream burner assembly A burner assembly in which an annular passage is provided for transporting an fuel/air mixture to a furnace inlet. A conical divider member is disposed within the annular passage for dividing the stream of fuel/air passing through the passage into two rad... | 04/25/1995 |
| 5392736 | Fludized bed combustion system and process for operating same A fluidized bed combustion system and process is disclosed, in which full load stoichiometry is maintained at lower loads. The system and process includes an enclosure and a partition disposed in the enclosure to define a furnace section and an overfire a... | 02/28/1995 |
| 5390612 | Fluidized bed reactor having a furnace strip-air system and method for reducing heat content and increasing combustion efficiency of drained furnace solids A fluidized bed reactor having a furnace strip-air system and method for reducing heat content and increasing combustion efficiency of drained furnace solids in which a bed of particulate material is supported in a furnace section. A portion of the bed re... | 02/21/1995 |
| 5372791 | Fluidized bed system and a fluidization and cooling nozzle for use therein A fluidized bed system in which a plate is disposed in an enclosure and is adapted to support particulate material. A nozzle is supported by the plate for receiving air and water and directing the air and water and into the particulate material to fluidiz... | 12/13/1994 |
