Patent application number | Description | Published |
20100123027 | BLADED COAL DIFFUSER AND COAL LINE BALANCING DEVICE - A coal nozzle assembly for a pulverized coal burner includes a diffuser. A flow conditioner also may be used with the assembly. The assembly conditions the coal/air flow before the coal/air flow is introduced to the furnace. The flow conditioner directs the coal into the diffuser where it is swirled to form a fuel rich outer ring disposed about an air rich inner portion before the fuel is delivered to the coal nozzle. | 05-20-2010 |
20100275824 | BIOMASS CENTER AIR JET BURNER - A combustion apparatus capable of firing biomass fuel including a burner assembly which includes a biomass nozzle concentrically surrounded by a core air zone and extending axially along the length of the core air zone, the burner assembly residing within a windbox, the windbox being attached to a furnace of a boiler, and the burner assembly being connected to the furnace by a burner throat, through which air and fuel supplied to the burner assembly are emitted into the furnace. | 11-04-2010 |
20140305357 | DUAL PHASE FUEL FEEDER FOR BOILERS - A dual phase fuel feeder is disclosed that can be used to provide both solid fuels and liquid fuels to a boiler, such as a fluidized bed boiler. The fuel feeder includes a sloped chute which defines a solid feedpath. Gas distribution nozzles are located at the base of the fuel feeder, and secondary nozzles are located so as to be able to distribute a liquid or particulate fuel into the solid feedpath. This permits the liquid fuel to contact the solid fuel and be carried into the fluidized bed instead of becoming suspended above the bed. | 10-16-2014 |
20140373763 | BURNER WITH FLAME STABILIZING/CENTER AIR JET DEVICE FOR LOW QUALITY FUEL - The present disclosure relates to a center air jet burner for burning low quality fuel including an annular pipe having a fuel inlet and a fuel outlet. A core pipe that includes a first opening and an opposite second opening that defines an inner zone, the core pipe extends within the annular pipe defining a first annular zone. A burner elbow is configured to supply a fuel airflow mixture including pulverized coal and primary air to the fuel inlet and the first opening. The first opening of the core pipe is eccentrically aligned relative to the fuel inlet of the annular pipe such that the fuel airflow mixture passing through the burner elbow is divided into an outer fuel rich stream having an increased amount of pulverized coal within the first annular zone and an inner fuel-lean stream having an increased amount of primary air within the inner zone. | 12-25-2014 |
Patent application number | Description | Published |
20090110572 | ANISOTROPIC BEARING SUPPORTS FOR TURBOCHARGERS - An exemplary anisotropic member ( | 04-30-2009 |
20090297082 | CENTERING MECHANISMS FOR TURBOCHARGER BEARINGS - An exemplary spring for positioning a turbocharger bearing in a housing includes a free standing inner diameter, a free standing outer diameter and a substantially sinusoidal shape to provide an inward radial bias and to provide an outward radial bias wherein the spring balances the inward radial bias with the outward radial bias to thereby position a turbocharger bearing in a housing. Various exemplary springs, bearings, housings, assemblies, etc., are also disclosed. | 12-03-2009 |
20100260450 | CENTERING MECHANISMS FOR TURBOCHARGER BEARINGS - An exemplary assembly includes a turbocharger center housing with a bore; a turbocharger bearing with an annular groove having a diameter; and a substantially planar spring, seated at least partially in the annular groove for positioning the turbocharger bearing in the bore of the housing, where the spring includes a first end and a second end, a free standing inner diameter, a plurality of straight sections tangent to the free standing inner diameter and disposed between the first end and the second end and a curved section disposed between two of the straight sections where the spring balances an inward radial bias with an outward radial bias to reduce contact between the bearing and the housing and variation in a squeeze film thickness. Various exemplary springs, bearings, housings, assemblies, etc., are also disclosed. | 10-14-2010 |
20120121446 | ANISOTROPIC BEARING SUPPORTS FOR TURBOCHARGERS - An exemplary anisotropic member supports a semi-floating bearing in a bore and can reduce non-synchronous vibration of the bearing in the bore. An anisotropic member can include an annular body configured to receive a semi-floating bearing and to space the bearing a distance from a bore surface and can be configured to impart anisotropic stiffness and damping terms to the semi-floating bearing when positioned in the bore. Such a member is suitable for use in a rotating assembly for a turbocharger where the bearing may be a semi-floating bearing. Various exemplary members, bearings, housings, assemblies, etc., are disclosed. | 05-17-2012 |
20120288224 | CENTERING MECHANISMS FOR TURBOCHARGER BEARINGS - An turbocharger assembly can include a compressor side ring disposed at least partially in a compressor side annular notch of a bearing, the ring in contact with a bore wall of a housing and the bearing to hinder axial flow of lubricant to a compressor end of the bearing and to reduce variation in a lubricant squeeze film thickness defined by and between the bearing and the bore wall and a turbine side ring disposed at least partially in a turbine side annular notch, the ring in contact with the bore wall and the bearing to hinder axial flow of lubricant to the turbine end of the bearing and to reduce variation in the lubricant squeeze film thickness. Various other springs, bearings, housings, assemblies, etc., are also disclosed. | 11-15-2012 |
20140255157 | ANISOTROPIC BEARING SUPPORTS FOR TURBOCHARGERS - A rotating assembly for a turbocharger can include a center housing that includes a through bore having a central axis; a bearing cartridge positioned in the through bore where the bearing cartridge includes an outer race, an inner race and rolling elements disposed between the inner race and the outer race; an anisotropic member positioned in the through bore between the outer race of the bearing cartridge and a surface of the center housing where the surface defines at least part of the through bore of the center housing; and a shaft rotatably supported in the center housing by the bearing cartridge where the inner race is mounted on the shaft and the shaft is connected at one end to a compressor wheel and at another end to a turbine wheel. | 09-11-2014 |
Patent application number | Description | Published |
20090250418 | RACK ACCESSORIES - A retail system includes a rack assembly and a cover. The rack assembly has a stand that is adapted to rest on a substantially horizontal surface, where the stand is formed of a plurality of tubular members. The rack assembly also has a mounting frame that is substantially rectangular in shape and supported in a substantially vertical position by the stand. The cover includes a base portion that is formed by a combination of a first shell and a second shell that is complementary to the first shell, the base portion defining a hollow, substantially box-like structure that is supported in a substantially vertically position by the rack assembly and covers at least a portion of the mounting frame. The cover also includes a stack portion defining a hollow, substantially box-like structure that is adapted to slide over the mounting frame and mount atop the base portion. | 10-08-2009 |
20090250422 | FIXTURE ACCESSORIES - Assembling a merchandising system includes placing a display fixture on a floor in a retail environment, where the display fixture includes a first end assembly supported on the floor, a second end assembly supported on the floor, a first cross-piece, and a second cross-piece, each of the first and second cross-pieces extending between the first and second end assemblies and substantially parallel to one another. A display fixture accessory is releasably secured to the display fixture and an accessory sheath is slid over the display fixture accessory by sliding an open bottom of the accessory sheath over the display fixture accessory until a top of the accessory sheath abuts a top of the display fixture accessory and the accessory sheath covers a substantial portion of the display fixture accessory. The accessory sheath includes a plurality of substantially horizontal bracket slots. A slot mountable bracket of a retail device is releasably secured into one of the bracket slots and a plurality of products are supported with the retail device. | 10-08-2009 |
20110209329 | Fixture Accessories - Assembling a merchandising system includes placing a display fixture on a floor in a retail environment, where the display fixture includes a first end assembly supported on the floor, a second end assembly supported on the floor, a first cross-piece, and a second cross-piece, each of the first and second cross-pieces extending between the first and second end assemblies and substantially parallel to one another. A display fixture accessory is releasably secured to the display fixture and an accessory sheath is slid over the display fixture accessory by sliding an open bottom of the accessory sheath over the display fixture accessory until a top of the accessory sheath abuts a top of the display fixture accessory and the accessory sheath covers a substantial portion of the display fixture accessory. The accessory sheath includes a plurality of substantially horizontal bracket slots. A slot mountable bracket of a retail device is releasably secured into one of the bracket slots and a plurality of products are supported with the retail device. | 09-01-2011 |
20120233843 | MERCHANDISING SYSTEM AND METHOD OF ASSEMBLY - A method of assembling a merchandising system includes providing a retail display fixture including first and second ends each configured to support the retail display fixture on a floor. The method further comprises providing a display fixture accessory releasably secured to the retail display fixture and coupling an accessory sheath to the retail display fixture. The accessory sheath comprises two substantially planar panels extending substantially parallel to one another and defining a cavity between the two substantially planar panels, a top panel extending between and coupled to each of the two substantially planar panels, and an open bottom providing access to the cavity. Coupling the accessory sheath to the retail display fixture includes sliding the accessory sheath over the display fixture accessory to substantially enclose the display fixture accessory within the cavity such that the accessory sheath substantially covers an entirety of two opposite sides of the display fixture accessory. | 09-20-2012 |
Patent application number | Description | Published |
20110119981 | Tactical firearm having heat shielding properties and improved gas energized cartridge feeding - A tactical firearm having a receiver and a handguard connected by flanges that are secured by fasteners and each define co-planar rail mounting surfaces. A one-piece elongate sight mounting rail extends along the combined length of the receiver and handguard and has a mounting surface in face to face relation with the rail co-planar rail mounting surfaces of the receiver and handguard. The rail is tapered along its length to provide an angle of cant and to permit mounting sight devices an any desired location along its length. A barrel extends through the handguard and is secured to the receiver in a manner achieving clearance and thermal isolation of the handguard from the barrel and barrel retainer. A cartridge gas energized bolt carrier and bolt mechanism is moveable within the receiver and is provided with anti-tilt guidance with respect to a spring energized buffer mechanism and moves a cartridge from a magazine into the cartridge chamber of the barrel and returns the bolt mechanism to its closed and locked condition upon dissipation of the cartridge gas energizing force. | 05-26-2011 |
20120036757 | Gun-stock riser for AR15 type tactical firearm - A cheek riser mechanism has a mounting base or saddle that is adapted for mounting to a gun-stock and defines guide rail members. A movable cheek riser member has guide grooves that receive the guide rail members and is linearly movable along the length of the guide rails. Upon rearward movement of the charging handle of an AR15 type rifle the movable cheek riser can be engaged and moved rearwardly by the user's hand or by the charging handle so that it does not interfere with a cartridge charging operation. A riser spring is compressed during rearward movement of the cheek riser and returns the movable cheek riser to its use position upon release of the charging handle. | 02-16-2012 |
20120124879 | Firearmcartridge magazine having mechanism for low-friction cartridge orienting and guiding - A cartridge magazine for firearms having internal lateral guide ridges of dimensions for establishing lateral guiding engagement with cartridges within the magazine chamber and having longitudinal internal guide ridges projecting inwardly from said side panels. The internal longitudinal guide ridges establish low friction essentially line contact with the uppermost cartridge and establish low friction forward charging movement of the uppermost cartridge from the cartridge magazine during firearm loading. The cartridge magazine is preferably formed from a single piece of sheet metal stock and is die folded and die formed to define external depressions and internal low friction cartridge guide ridges for lateral guiding of cartridge movement within the magazine and forward guiding movement of cartridges as they are dispensed from the magazine. | 05-24-2012 |
20120152649 | Suppressor for attachment to firearm barrel - A suppressor mechanism has an elongate tubular housing containing baffles and into which is assembled a suppressor mount body having spaced thread sections and spaced tapered gas seal surfaces. An adapter/muzzle brake member defines an internally threaded section that establishes threaded connection with the reduced diameter externally threaded section of a typical firearm barrel that is prepared for attachment of a suppressor thereto. The suppressor mount body and the muzzle brake/adapter member each define spaced threaded sections that establish threaded connection and promote enhanced structural integrity. The spaced internal tapered surfaces of the suppressor mount body and the spaced external tapered surfaces of the muzzle brake/adapter member establish spaced internal cartridge gas seals that prevent high pressure hot cartridge gas and gunpowder residue from coming into contact with and potentially fouling the thread connections of the suppressor mount body and the muzzle brake/adapter member. | 06-21-2012 |
20120167442 | Sight mount enabling inverted mounting of firearm sighting device - A sight mount base having longitudinally spaced base sections defines an intermediate space or recess within which the downwardly facing Horus reticle adjustment knob of an inverted optical sighting device is received. The sight mount base may have independent, spaced base sections, each being releasably mounted to the accessory mount rail of the firearm or may be a unitary base structure machined to define an intermediate recess or receptacle within which the Horus reticle adjustment knob is received. The spaced base sections may be interconnected by a structural bridge so that the sight mount base is in the form of an integral structure. Inverted positioning of the optical sighting device eliminates the presence of upwardly projecting obstructions. | 07-05-2012 |
20120167756 | Firearm barrel having multiple ports and port selector - A cartridge gas port selector mechanism for a firearm barrel having a plurality of gas ports extending from the barrel bore and having a gas block with gas passages in communication with a gas tube. A selector valve member is movable within the gas block between an open condition permitting flow of cartridge gas from one or more ports of the firearm barrel to the cartridge gas passage and a closed condition blocking flow of cartridge gas from the barrel bore to the cartridge gas passage. A valve selector or actuator is connected with the valve member and is selectively moveable to position the valve member at the open condition or the closed condition to select the volume and timing of cartridge gas communication from the barrel bore to the gas energized autoloading mechanism of the firearm. | 07-05-2012 |
20130000477 | Vibration dampening firearm mount for vehicles - A method and apparatus for dampening vibration forces being transmitted from a vehicle to a firearm mount and firearm to permit substantially vibration free aiming and firing of the firearm from the moving vehicle. A support member supports a pliable membrane and permits flexing movement of a region of the membrane in response to vibration forces. A firearm mount is secured to a flexing region of the membrane. Vibration forces transmitted from the vehicle to the firearm mount are dampened by flexing of the membrane due to the mass of the firearm thereby permitting the firearm to remain stabilized for accurate aiming and firing. | 01-03-2013 |
20130019740 | Method and apparatus for absorbing the energy of bullet impacts - A method for and apparatus absorbing the energy of a projectile strike by a multiplicity of energy dissipating elements of high mass that are contained within a spaced defined by walls. A projectile passing through one of the walls transmits its energy to a multiplicity of energy dissipating elements, such as hardened steel balls or various shaped objects of high mass, by causing energy transfer and distribution through a loose mass of the energy dissipating elements and disintegrating the projectiles. Energy absorbing apparatus embodying this method may take the form of a static or moveable bullet or projectile trap, an energy absorbing external barrier or shelter on vehicles, and portable personnel protection structures for use in a tactical environment. The energy absorbing and dissipating elements are subject to some movement in response to the energy imparted by the projectiles and quickly settle after the energy has been dissipated. | 01-24-2013 |
20130036650 | Pivot mount for firearm sighting devices and accessories - A pivot mount base is assembled to or removed from the sight mounting rail of a firearm by a lever actuated cam energized rail clamping mechanism. A pivot shaft is fixed within an axially oriented pivot passage of the mount base and defines spaced external bearing surfaces. A pivotal accessory support device defines spaced pivot receptacles having a portion of said pivot mount base located therebetween and has bearing receptacles receiving the pivot shaft. The accessory support device is moveable both linearly and rotatably relative to the fixed pivot shaft and is urged toward a locked position with a locking pin by a compression spring and is moved against the spring force to free the accessory support device for manual rotational movement to a precision aiming position and to a laterally offset position. | 02-14-2013 |
20130074394 | Mount for co-witnessing sighting devices for firearms having sheet metal receiver covers - A sight mount for firearms having short sight mount blocks and having sheet metal receiver covers. A mount base is pivotally connected with the sight mount block and has a sight support platform that is positioned above the receiver cover and provides support for an optical sighting device. A lock member has releasable locking engagement with the lock retainer members and having a portion thereof engaging the rear sight block and securing said mount base against movement from said sighting position. A rear sight member is defined by an upturned portion of the lock member and has a sighting notch that is visible in co-witnessing relation when viewing through the optical sighting device. | 03-28-2013 |
20130097911 | Collapsible butt-stock mechanism for shoulder-fired firearms - A firearm has a receiver extension defining a plurality of spaced butt-stock positioning receptacles. A butt-stock has a locking pin that is moveable into one of the receptacles for locking the butt-stock at a desired position on the receiver extension. A lock pin actuator is manually moveable by applying a force to a pull ring member to cause retraction of the locking pin from a butt-stock positioning receptacle in preparation for position adjustment or removal of the butt-stock relative to the receiver extension. A rotary knob lock positioning member is rotatable to locked and unlocked positions and when locked ensures against complete separation of the butt-stock from the receiver extension member upon maximum length adjustment of the butt-stock. | 04-25-2013 |
20130106059 | Free-standing action target mechanism for firearm training | 05-02-2013 |
20140075805 | Firearm barrel having cartridge chamber preparation facilitating effiecient cartridge case extraction and protection against premature bolt failure - To permit ease and efficiency for the extraction of spent cartridge cases from the cartridge chamber of a firearm barrel within a wide range of temperature conditions, the internal tapered surface of the body region of a cartridge chamber is prepared by establishing circumferentially spaced longitudinal straight or curved regions of the internal surface finish to create an internal cartridge chamber geometry having gradually tapered spaced longitudinally relieved linear or spiral areas having longitudinal linear or spiral lands between each of the relieved areas. The circumferentially spaced lands develop controlled impedance to rearward cartridge case movement on cartridge firing to effectively protect the bolt and extractor mechanisms of the firearm against early failure. | 03-20-2014 |
20140076147 | Tactical firearm having heat shielding properties and improved gas energized cartridge feeding - A tactical firearm having upper and lower receivers that are releasably connected. A cartridge gas energized bolt carrier assembly is moveable within the upper receiver and is provided with anti-tilt guidance with respect to a spring energized buffer mechanism, that is provided within a butt-stock of the lower receiver. The bolt carrier assembly moves a cartridge from a magazine and feeds the cartridge into the cartridge chamber of the barrel and returns the bolt carrier assembly to its closed and locked condition upon dissipation of the cartridge gas energizing force. The bolt carrier assembly is efficiently guided to prevent its misalignment during its rearward and forward auto-loading movement. | 03-20-2014 |
20140076148 | Tactical firearm having heat shielding properties and improved gas energized cartridge feeding - A tactical firearm has an upper receiver defining a handguard mounting surface oriented in substantially normal relation with the bore of a rifle barrel and defining handguard mounting flanges that project radially from the upper receiver. A handguard is provided with like radiating handguard mounting flanges and is releasably secured to the upper receiver by fasteners. A barrel extends through the handguard and is secured by a barrel retainer to the upper receiver in a manner achieving clearance and thermal isolation of the handguard from the barrel and barrel retainer. | 03-20-2014 |
20140082985 | FIREARM ACCESSORY CLAMP MOUNT HAVING ROTATABLE LOCKING LEVER AND LOWER ADJUSTMENT NUT - An adjustable accessory mounting mechanism for firearms has an accessory mount rail having clamp surfaces. A mount base member has a clamp structure in retaining engagement with the clamp surfaces and supports a clamp plate member for rotary clamping engagement with the accessory mount rail. A clamp retainer screw extends through the retainer opening and pivotally supports the clamp plate member for rotary locking and unlocking movement. An adjustment nut member is threaded to the clamp retainer screw and adjusts the position of the clamp plate member. The adjustment nut is located below the lower surface of the clamp plate and clamp support to prevent its catching on brush, vines and other objects during field use. | 03-27-2014 |
20140318361 | CARTRIDGE GAS ACTUATED FIREARM HAVING BOLT CARRIER/GAS KEY SEAL - A cartridge gas energized firearm mechanism has a receiver assembly having upper and lower receivers. A bolt carrier is moveable within the upper receiver and has a wall structure having a planar gas key seat surface intersected by a gas port. A gas key is mounted to the bolt carrier and has a planar gas key surface in face-to-face seating engagement with the planar gas key seat surface of the bolt carrier, thus establishing a planar surface interface. The gas key has a cartridge gas supply passage in gas communication with the gas port. A tubular seal member is positioned in sealing engagement within seal receptacles of the bolt carrier and gas key and prevents cartridge gas leakage through the planar surface interface. | 10-30-2014 |