The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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 |
| 8181440 | Arrangement of a semiconductor-type igniter plug in a gas turbine engine combustion chamber An igniter plug arrangement is disclosed. The arrangement includes an igniter plug of the semiconductor in shell type, a duct secured to a combustion chamber of a gas turbine engine, a floating sleeve via which the igniter plug is mounted in the duct, and a system f... | 05/22/2012 |
| 8171719 | Igniter assembly for a gas turbine An igniter assembly (10) of a gas turbine (12) is presented, including an igniter (14) disposed within an igniter housing (16). The igniter is extendable from the igniter housing through an opening (18) in a combustion liner (19... | 05/08/2012 |
| 8161725 | Compact cyclone combustion torch igniter A torch igniter and method of cooling the torch igniter includes axially flowing a first stream of gaseous oxidizer through a torch throat and vortically flowing a second stream of the gaseous oxidizer within a combustion chamber. ... | 04/24/2012 |
| 7712302 | Crossfire tube assembly for gas turbines A crossfire tube for attachment between casing bosses of combustors includes a bellows assembly having a bellows with opposite cylindrical ends welded to annular flanges. The annular flanges include a bolt circle for securing the flanges to the combustor bosses. The... | 05/11/2010 |
| 7637094 | Cooling apparatus for a gas turbine engine igniter lead A method for cooling an igniter lead is provided. The method includes coupling an assembly to the igniter lead such that a portion of the assembly rotates circumferentially around the igniter lead, and channeling cooling air through the assembly to facilitate coolin... | 12/29/2009 |
| 7340900 | Method and apparatus for decreasing combustor acoustics A method for decreasing combustor acoustics in gas turbine engines is provided. The method includes fabricating a plurality of premixers, chamfering a trailing edge of a main swirler shroud of each premixer, coupling a respective one of the chamfered premixers to ea... | 03/11/2008 |
| 7299620 | Tornado torch igniter An ignition system having improved reliability for a gas turbine combustor is disclosed. The ignition system comprises an outer housing having at least one fuel passage and an electrode extending therethrough forming a generally annular passage for cooling air to pa... | 11/27/2007 |
| 7286048 | Supervised guard tour systems and methods The present invention comprises systems and methods for addressing exceptions (i.e., alarms) associated with a guard tour according to a predefined hierarchy. The exception is generated automatically based on data associated with the guard tour, as typicdally collec... | 10/23/2007 |
| 7246483 | Energetic detonation propulsion A propulsion system for creating a propulsive force has a combustion chamber, a pair of electrodes within the combustion chamber and a power supply attached to the electrodes to create a high voltage field within an initiation zone of the combustion chamber, and an ... | 07/24/2007 |
| 7243496 | Electric flame control using corona discharge enhancement A method of operating a combustor (10), to provide intimately mixed hot combusted gas (44) for a gas turbine (46), includes feeding gaseous oxidant (12) and gaseous fuel (16) into the combustor (10) near a combustion flame (... | 07/17/2007 |
| 7223914 | Pulsed electron jump generator A device and method for stimulating pulsed chemical reactions in a small volume of gaseous reactants. An emitter stimulates the reactions of a fuel oxidizer mixture and a collector converts the vibrational energy of the resulting products into useful energy. The dev... | 05/29/2007 |
| 7216488 | Methods and apparatus for cooling turbine engine combustor ignition devices An ignition device assembly for a gas turbine engine combustor includes a body and a shroud. The body extends from an inlet end to an outlet end, and the shroud extends circumferentially around at least a portion of the body, and axially from a first end to a tip en... | 05/15/2007 |
| 7201882 | Device for producing a plasma, ionization method, use of said method and production processes using said device In the field of transformation of material there is a device for producing a plasma, a method for ionizing material using the device, uses of the inventive method and production processes using the device. The device includes a resonant chamber, an acoustic chamber ... | 04/10/2007 |
| 7127899 | Non-swirl dry low NOx (DLN) combustor An air/fuel pre-mixer for a gas turbine combustor and a method of pre-mixing air and fuel for a combustor are provided. In one embodiment the pre-mixer includes a first annular premix fuel manifold disposed upstream of the combustor and an annular member concentric ... | 10/31/2006 |
| 7119272 | Gas specie electron-jump chemical energy converter An apparatus and method for extracting energy is provided. In one aspect the method includes using chemical reactions to generate vibrationally excited molecules, such as high-quantum-number-vibrationally-excited gas molecules in a region. The vibration energy in th... | 10/10/2006 |
| 7114337 | Air/fuel injection system having cold plasma generating means A system for injecting an air/fuel mixture into a turbomachine combustion chamber, including a hollow tubular structure for the flow of the air/fuel mixture into the combustion chamber; a fuel injection device placed at an upstream end of the hollow tubular structur... | 10/03/2006 |
| 7111463 | Combustion wave ignition for combustors A system, such as a turbine power production system, including a plurality of combustion chambers. The combustion chamber may be provided with an ignition system that allows for substantially simultaneous ignition of each of the plurality of the combustors. Generall... | 09/26/2006 |
| 7096670 | Method for igniting the combustion chamber of a gas turbine unit and an ignition device for carrying out the method In a method for igniting the combustion chamber of a gas turbine unit, a safely working ignition and a long lifetime of the ignition device (10) is achieved by discharging a compressed gas with a supercritical pressure ratio through a nozzle (21) and h... | 08/29/2006 |
| 7093442 | Augmentor A turbine engine augmentor has a centerbody within a gas flowpath. A flameholder is positioned in the flowpath outboard of the centerbody. A burner within the centerbody has an outlet for expelling combustion products of a first pilot fuel. A pilot fuel conduit has ... | 08/22/2006 |
| 7089748 | Combustion chamber, in particular of a gas turbine The invention relates to a combustion chamber, in particular of a gas turbine, comprising an external wall structure that surrounds an internal area and an internal wall, which is formed by the surface of a housing that is located in the internal area. Said combusti... | 08/15/2006 |
| 7086234 | Gas turbine combustion chamber with defined fuel input for the improvement of the homogeneity of the fuel-air mixture A gas turbine combustion chamber with a burner 7, includes means for the supply of fuel and an atomizer 6, wherein the means for the supply of fuel are provided such that the fuel is injected in areas with maximum airflow velocity. ... | 08/08/2006 |
| 7080504 | Laser augmented turbojet propulsion system The invention is a turbojet propulsion system which includes a compressor section, a turbine section coupled by a shaft to the compressor section, a combustion section mounted between the compressor section and the turbine section, and an exhaust duct coupled to the... | 07/25/2006 |
| 7066156 | Fuel vaporization systems for vaporizing liquid fuel One aspect of the present invention is a system for vaporizing liquid fuel which utilizes photonic energy and minimal thermal energy. The system generally comprises a fuel delivery system for delivering liquid fuel and a vaporization system for vaporizing liquid fue... | 06/27/2006 |
| 7065956 | Two piece jet engine igniter assembly A two-piece jet engine igniter assembly includes a front section and a rear section. When the igniter assembly is installed in an aircraft, either the front section or the rear section is removable for service or replacement. The front section includes a detachable ... | 06/27/2006 |
| 7047722 | Small scale hybrid engine (SSHE) utilizing fossil fuels This invention describes a miniaturized hybrid diesel-electric engine formed by a closed-loop system powered by plasma-aided combustion of JP-8 fuel (or other hydrocarbon fuels) working in tandem with a vapor cycle utilizing miniaturized expanders and condensers. Th... | 05/23/2006 |
| 7036321 | Auxiliary power unit having a rotary fuel slinger An auxiliary power unit (APU) includes a rotary fuel slinger, and a single-spool, two-stage turbine. The rotary fuel slinger receives a rotational drive force from the turbine, and a supply of fuel from a fuel source. The rotary fuel slinger injects the fuel into a ... | 05/02/2006 |
| 7013634 | Sealing arrangement A seal arrangement for a combustor is disclosed. The seal arrangement comprises a seal defining a first aperture, an inner combustor wall defining a second aperture, and an outer combustor wall defining a third aperture. The first and second apertures are arranged i... | 03/21/2006 |
| 7007480 | Multi-axial pivoting combustor liner in gas turbine engine A multi-axial pivoting liner within the combustion system of a turbine engine allows the system to work with minimum thermal interference, especially during system operation at transient conditions, by allowing the liner to pivot and slide about its centerline and r... | 03/07/2006 |
| 6993916 | Burner tube and method for mixing air and gas in a gas turbine engine A hybrid structure that combines characteristics of the DACRS and Swozzle burners to provide the high mixing ability of an axial flowing counter rotating vane swirler with good dynamic flame stability characteristics of a bluff center body. ... | 02/07/2006 |
| 6969251 | Burner A burner (1) for heat generation, in particular in a gas turbine, is disclosed as well as a method for the stabilization of the flame of a burner (1). The burner (1) comprises inlet openings (3) for a combustion air stream, at least a swi... | 11/29/2005 |
| 6964171 | Method and apparatus using jets to initiate detonations This invention pertains to apparatus and method for initiating detonation in a chamber of tubular or other shapes, which can be a combustor for a propulsion engine, such as a pulse detonation engine. This invention is characterized by detonation initiation at high p... | 11/15/2005 |
| 6920762 | Mounting assembly for igniter in a gas turbine engine combustor having a ceramic matrix composite liner An assembly for mounting an igniter in a gas turbine engine combustor between an outer casing and an outer liner, wherein a longitudinal centerline axis extends through the gas turbine engine. The igniter mounting assembly includes a first spring member encircling a... | 07/26/2005 |
| 6918243 | Bi-propellant injector with flame-holding zone igniter A bi-propellant injector (66) includes a first injector element (68) and a second injector element (70) injecting a first propellant (69) and a second propellant (71), respectively, into a combustion chamber (53). A flame-ho... | 07/19/2005 |
| 6748735 | Torch igniter An improved torch igniter for use in devices such as thrust augmenters, gas turbine engines, ramjets, combined-cycle engines and industrial burners. The torch igniter includes a housing with a combustion chamber. Fuel and oxidizer are delivered into the combustion c... | 06/15/2004 |
| 6715279 | Apparatus for positioning an igniter within a liner port of a gas turbine engine An igniter tube for a gas turbine engine combustor has an inner surface, an outer surface, and a longitudinal axis therethrough. More specifically, the igniter tube includes: a first portion positioned within a port of a liner for the combustor, the first portion ha... | 04/06/2004 |
| 6705088 | Advanced crossfire tube cooling scheme for gas turbine combustors A crossfire tube assembly with telescoping inner and outer crossfire tubes with an enhanced cooling mechanism for connecting adjacent combustors in a gas turbine is disclosed. The enhanced cooling configuration includes a plurality of channels formed in the telescop... | 03/16/2004 |
| 6684621 | Jet engine igniter lead elbow assembly A jet engine igniter lead elbow assembly includes a hollow saddle adapter with a semi-circular cutout at one end, a master cylinder, an extension tube, a ferrule and a nut extension tube. The master cylinder is hollow, having a perpendicular circular orif... | 02/03/2004 |
| 6676402 | Laser ignition Sequenced pulses of light from an excitation laser with at least two resonator cavities with separate output couplers are directed through a light modulator and a first polarzing analyzer. A portion of the light not rejected by the first polarizing analyz... | 01/13/2004 |
| 6557350 | Method and apparatus for cooling gas turbine engine igniter tubes A combustor for a gas turbine engine includes a plurality of igniter tubes that facilitate reducing temperature gradients within the combustor in a cost effective and reliable manner. The combustor includes an annular outer liner that includes a plurality... | 05/06/2003 |
| 6514069 | Laser ignition In the apparatus of the invention, a first excitation laser or other excitation light source is used in tandem with an ignitor laser to provide a compact, durable, engine deployable fuel ignition laser system. Reliable fuel ignition is provided over a wid... | 02/04/2003 |