Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7363796 | Cold form nozzle for laser processing A method for cold-forming a nozzle for a laser includes placing a slug or tube of oxygen-free copper into a die. A mandrel is forced into the copper slug or tube. The resultant compressive force causes the copper to cold flow around the mandrel and the die to define... | 04/29/2008 |
| 7325403 | Methods and apparatus for fabricating gas turbine engine combustors A method for fabricating a dome assembly for a gas turbine engine combustor includes forming an annular dome plate including a plurality of substantially circular eyelets circumferentially spaced thereon, coupling a seal plate to the dome plate at each eyelet such t... | 02/05/2008 |
| 7281907 | Offset mounting foot A single piece offset mounting foot is positioned between the compressor and the floor of a cabinet for the compressor. The offset mounting foot has a main body having a geometric shape with a top and bottom surface connected by sidewalls that form a perimeter. A de... | 10/16/2007 |
| 7153337 | Porous metal structure body and method for manufacturing the same The object of the invention is to provide a porous metal structure body suitable for reinforcing a light metal alloy member such as an aluminum alloy member. A mixed powder containing a metallic powder is filled in a mold, and is molded into a shape having a single ... | 12/26/2006 |
| 7024883 | Vapor compression systems using an accumulator to prevent over-pressurization An accumulator acts as a buffer to prevent over-pressurization of the vapor compression system while inactive. By determining the maximum storage temperature and the maximum storage pressure a system will be subject to when inactive, a density of the refrigerant for... | 04/11/2006 |
| 6993932 | Refrigerant cycle system A refrigerant cycle system in which the arrangement of a connecting pipe for connection between a compressor and an accumulator is improved effectively to recover oil collected in the accumulator to the compressor. The accumulator is installed to be separate from th... | 02/07/2006 |
| 6939128 | Ignition operating mechanism for slide type lighters An ignition operation mechanism for slide type lighters that is capable of preventing accidental ignition or ignition due to erroneous use or the like while maintaining good operability, wherein pivots 22a, 22a for an operating cap 20 ... | 09/06/2005 |
| 6923002 | Combustion liner cap assembly for combustion dynamics reduction A combustion liner cap assembly includes a cylindrical outer sleeve supporting internal structure therein and a plurality of fuel nozzle openings formed through the internal structure. A first set of circumferentially spaced cooling holes is formed through the cylin... | 08/02/2005 |
| 6901758 | Method for repairing an air cooled combustor liner segment edge portion and repaired segment An air-cooled combustor liner segment, including a plurality of spaced apart radially outwardly extending integral heat exchange protuberances or pins is repaired by providing a replacement edge member for a service damaged edge portion including such pins. The dama... | 06/07/2005 |
| 6769176 | Method of manufacturing a fuel injector A method of manufacturing a fuel injector is disclosed. The method includes assembling a power group assembly with a valve group assembly to form the fuel injector. The power group assembly includes an overmold formed over a coil assembly. The valve group assembly i... | 08/03/2004 |
| 6735950 | Combustor dome plate and method of making the same A method of making a dome plate for a gas turbine engine combustor includes forming an annular body and forming a plurality of swirler openings in the annular body. Then, an array of impingement cooling holes and an array of blow-off holes are electrically discharge... | 05/18/2004 |
| 6678953 | Method for making damped combustion cowl structure A method is provided for increasing the contact area between a damper wire and a sheet metal component in a combustion cowl of a gas turbine engine. This increase in contact area reduces the wear rate on the combustor cowl. A first curl is formed in the s... | 01/20/2004 |
| 6604286 | Method of fabricating gas turbine fuel injection A combustor for a gas turbine engine including a pilot fuel injection assembly that includes a replaceable heat shield is described. The pilot fuel injection assembly also includes a fuel stem and a mixer divider. The fuel stem includes a first end, a sec... | 08/12/2003 |
| 6526756 | Method and apparatus for enhancing heat transfer in a combustor liner for a gas turbine A combustor liner is provided on its backside cooling surface with a braze alloy coating and cooling enhancement material, preferably metallic particles to enhance the heat transfer between the liner and the cooling medium. The surface area of the backsid... | 03/04/2003 |
| 6460340 | Fuel nozzle for gas turbine engine and method of assembling A fuel nozzle for a gas turbine engine has a spray tip and a housing coaxially disposed around the spray tip. Bi-directional axial movement of the spray tip relative to the housing is constrained by first and second rows of tabs formed on one of the housi... | 10/08/2002 |
| 6428313 | Side shot burner A burner having an elongated cylindrical body closed at one end with a plurality of ports spaced apart in two rows along the upper segment of the body, said ports formed by punching. The ports have an upper edge and a lower edge wherein the lower edge is ... | 08/06/2002 |
| 6378286 | Low NOX gas turbine combustor liner A combustor liner and a method for combusting fuel in air with lowered production of NOX in a stationary, industrial gas turbine. The liner comprises a fuel injection location within the liner at an upstream end of the liner; combustion air openings in a ... | 04/30/2002 |
| 6321449 | Method of forming hollow channels within a component A method of forming an internal channel within an article, such as a cooling channel in an air-cooled blade, vane, shroud, combustor or duct of a gas turbine engine. The method generally entails forming a substrate to have a groove recessed in its surface... | 11/27/2001 |
| 6219917 | Gas supply device A method of assembling a gas supply device within an appliance cabinet is disclosed. The method comprises bending a tube assembly prior to installation in the appliance, attaching a fitting to the first end of the tube, attaching the fitting of the first ... | 04/24/2001 |
| 6193173 | Burner with an improved injector and process for manufacturing this injector The invention relates to a burner including an injector one end zone (33) of which can be taken to high temperatures during operation of the burner. This end zone is made of an alloy comprising between 16 and 22% by weight of Cr, between 3 and 6% by weigh... | 02/27/2001 |
| 6152128 | Easily-assembled portable forced-air heater with reduced number of components A portable forced air heater includes a one-piece unichassis structure which forms the base and the outer housing of the heater. The outer housing defines an elongated passage having a front end and a back end and which receives a burner assembly. The bur... | 11/28/2000 |
| 6092284 | Suction accumulator assembly A suction accumulator for a refrigerant compressor which is mounted to the compressor in such a way as to reduce the metal fatigue at the joint between the inlet tube and the suction accumulator, and reduce the potential for rust or oxidation of the metal... | 07/25/2000 |
| 6070324 | Method of manufacturing an aluminum burner cap A method of manufacturing a burner cap for a gas range includes the steps of providing an amount of non-porous aluminum and forming the aluminum into the shape of a burner cap such that the non-porous nature of the aluminum is maintained. In one embodimen... | 06/06/2000 |
| 6055913 | Coal spreader with swirl vanes An integrally cast, non-welded coal spreader for a furnace or boiler burner has integrally cast swirl vanes. A shaft of the spreader extends into the hollow interior of a cap of the spreader and the vanes extend outwardly of the cap and are cast as one pi... | 05/02/2000 |
| 6045356 | Gas burner and fabrication method for same A gas burner for a fireplace includes a rectangular, unitary pan which is fabricated from a generally rectangular single sheet metal panel. Prior to forming the panel into the pan, an inlet tube hole and gas ports are machined into the panel. Assembled to... | 04/04/2000 |
| 5993197 | Combustion chamber of a burner for a vehicle heater or an exhaust gas particle filter A combustion chamber of a burner for a vehicle heater or for thermal regeneration of an exhaust gas particle filter having a frontal boundary wall, a circumferential boundary wall, a connector for fitting a glow plug and a connector for conveying combusti... | 11/30/1999 |
| 5992770 | Burner for grill and method for making same A burner for a gas grill is inexpensive and durable. The burner may be made of an inexpensive sheet steel, but the steel is fully porcelainized or otherwise treated to resist corrosion. The complete coverage of the porcelain is accomplished by making the ... | 11/30/1999 |
| 5875549 | Method of forming internal passages within articles and articles formed by same A method of producing numerous small passages within a turbomachinery component is disclosed. The method comprises providing a turbomachinery component substrate having grooves, filling the grooves with a filler, condensing a vapor onto the surfaces of th... | 03/02/1999 |
| 5873713 | Fuel/air supply assembly for gas burners A pair of spaced tubular half-shells are stamped in each of two separate sheets of metal which are then joined at their margins to form two mixer tubes each having an inlet end with a venturi for connection to a fuel gas supply and an outlet end adapted f... | 02/23/1999 |
| 5661905 | Method of making a burner device In a method of making a gas burner device, there are steps of symmetrically blanking a first metal plate and deforming it so as to form a first intermediate blank having a bulged portion, bending the first intermediate blank at a symmetrical center thereo... | 09/02/1997 |
| 5502894 | Method of constructing a ceramic oxy-gas torch tip The design and practical method of providing an all ceramic externally mixing dual gas torch with a multiplicity of intimately adjacent emissions supplied from separate and isolated internal gas chambers. Four-bore ceramic tubing is used and two of the th... | 04/02/1996 |
| 5473817 | Method of making cooled rocket combustion chamber construction A method of producing a rocket combustion chamber/nozzle assembly in which a liner blank is deformed against the forming surface of a die to form a finished cooling liner, a structural jacket is electro-formed about the finished cooling liner, and fluid m... | 12/12/1995 |
| 5433602 | Jet burner construction, heating apparatus utilizing the jet burner construction, and methods of making the same A jet burner construction, a heating apparatus utilizing the jet burner construction and methods of making the same are provided, the jet burner construction comprising a burner body having a chamber therein and having an inlet leading to the chamber for ... | 07/18/1995 |
| 5406703 | Method of making a tube burner for cooking apparatus A cooking-type elongate bar burner having a plurality of gas flow apertures and a top surface is defined in part by a stiffening ridge and by a pair of laterally extending flanges. The apertures are beneath the flanges and thereby substantially protected ... | 04/18/1995 |
| 5406704 | Method for making an ignition stage for a high temperature combustor A catalytic reactor, used as the ignition stage for a multi-stage combustor, is made by the following method. Alternate sides of a metal strip are first coated with a combustion catalyst, in such a manner that at any point on the strip, one side is coated... | 04/18/1995 |
| 5328357 | Burner construction and method of making the same A burner construction and method of making the same are provided, the burner construction comprising a burner body having a chamber therein and a removable cap closing one end of the burner body, one of the burner body and the cap having an annular surfac... | 07/12/1994 |
| 5316470 | Jet burner construction heating apparatus utilizing the jet burner construction and methods of making the same A jet burner construction, a heating apparatus utilizing the jet burner construction and methods of making the same are provided, the jet burner construction comprising a burner body having a chamber therein and having an inlet leading to the chamber for ... | 05/31/1994 |
| 5307800 | Afterburner for a fuel-burning heater and method of construction An afterburner positionable adjacent the discharge end of a combustion chamber of a fuel-burning heater utilizes a ring portion and a nose cone portion which are constructed as a unit out of a single piece of material. The ring portion accommodates the at... | 05/03/1994 |
| 5279032 | Method of manufacturing a gas injection element A method for producing a weak resistance injection element for introducing ases into molten metals. The injection element includes an assembly of at least two high density refractory components. At least the upper high density refractory component is made ... | 01/18/1994 |
| 5266026 | Burner construction and method of making the same A burner construction and method of making the same are provided, the burner construction comprising a burner body having a chamber therein and having opposed ends one of which is open to the chamber and the other of which has structure for interconnectin... | 11/30/1993 |
