| Patent Number |
Title Of Patent |
Date Issued |
| 7392930 |
Iron-based braze filler metal for high-temperature applications |
July 1, 2008 |
| Brazing filler metal compositions have excellent wettability to nickel/cobalt/iron-based base metals and produce braze joints with high strength and heat/corrosion resistance. The iron-based braze filler metal includes chromium in amounts between about 20 to 35 percent by weight, sil |
| 7291577 |
Hydrometallurgical process for production of supported catalysts |
November 6, 2007 |
| A process for the production of a supported catalyst. The process comprises heating a slurry that comprises a catalyst support and at least one active catalytic ingredient precursor. Gas is introduced to the slurry at a sufficient pressure to reduce the at least one active catalytic |
| 7267889 |
Sprayable composition |
September 11, 2007 |
| The present invention provides a sprayable composition comprising a ceramic particulate including albite, illite, and quart, and a metallic composition, including nickel, chromium, iron, and silicon. The sprayable composition may be a composite particle, a blend, or a cored wire. The |
| 7223067 |
Flow machine with a ceramic abradable |
May 29, 2007 |
| The flow machine is furnished with an abradable (10) made of a particle composite material. This so-called composite (1) contains granular core particles (2) of a ceramic material. The surfaces (20) of the granular core particles carry functional layers (22) which form an intermediate |
| 7179507 |
Thermal spray compositions for abradable seals |
February 20, 2007 |
| A thermal spray composition and method of deposition for abradable seals for use in gas turbine engines, turbochargers and steam turbines. The thermal spray composition includes a solid lubricant and a ceramic preferably comprising 5 to 60 wt % total of the composition in a ratio of |
| 7135240 |
Thermal spray compositions for abradable seals |
November 14, 2006 |
| A thermal spray composition and method of deposition for abradable seals for use in gas turbine engines, turbochargers and steam turbines. The thermal spray composition includes a solid lubricant and a ceramic preferably comprising 5 to 60 wt % total of the composition in a ratio of |
| 7052527 |
Thermal spray composition and method of deposition for abradable seals |
May 30, 2006 |
| A thermal spray composition and method of deposition for abradable seals for use in gas turbine engines, turbochargers and steam turbines. The thermal spray composition comprises a mixture of metal-clad solid lubricant particles and unclad solid lubricants particles for producing an |
| 7030336 |
Method of fixing anodic arc attachments of a multiple arc plasma gun and nozzle device for same |
April 18, 2006 |
| An improved anode element for a plasma generator is comprised of an anode body having a central bore therein. A plurality of arc attachment regions are formed along a surface of the central bore. Each attachment is configured to provide a substantially radially predefined attachment |
| 7008462 |
Thermal spray compositions for abradable seals |
March 7, 2006 |
| A thermal spray composition and method of deposition for abradable seals for use in gas turbine engines, turbochargers and steam turbines. The thermal spray composition includes a solid lubricant and a ceramic preferably comprising 5 to 60 wt % total of the composition in a ratio of |
| 6887530 |
Thermal spray compositions for abradable seals |
May 3, 2005 |
| A thermal spray composition and method of deposition for abradable seals for use in gas turbine engines, turbochargers and steam turbines. The thermal spray composition includes a solid lubricant and a ceramic preferably comprising 5 to 60 wt % total of the composition in a ratio of |
| 6869550 |
Method of producing a pre-alloyed stabilized zirconia powder |
March 22, 2005 |
| A pre-alloyed stabilized zirconia powder suitable for use in thermal barrier applications is formed by alloying zirconia with a stabilizer, such as yttria, and processing the alloyed stabilized zirconia to form a very fine powder. The raw powder is then spray-dried to produce an aggl |
| 6808756 |
Thermal spray composition and method of deposition for abradable seals |
October 26, 2004 |
| A thermal spray composition and method of deposition for abradable seals for use in gas turbine engines, turbochargers and steam turbines. The thermal spray composition comprises a mixture of metal-clad solid lubricant particles and unclad solid lubricants particles for producing an |
| 6759085 |
Method and apparatus for low pressure cold spraying |
July 6, 2004 |
| A cold spraying process for forming a coating of powder particles sprayed in a gas substantially at ambient temperature onto a workpiece is improved by placement in a low ambient pressure environment in which the pressure is substantially less than atmospheric pressure. The low pressure |
| 6524704 |
Thermal spray powder of dicalcium silicate and coating thereof and manufacture thereof |
February 25, 2003 |
| A powder of dicalcium silicate is made by spray drying calcia and silica with incorporation of sodium and phosphorus or stabilized zirconia. The spray dried powder is sintered to form a thermal spray powder. Sprayed coatings have a web of interconnected, randomly oriented microcracks |
| 6503576 |
Superalloy HVOF powders with improved high temperature oxidation, corrosion and creep resistance |
January 7, 2003 |
| A high velocity oxygen fuel thermal spray powder comprising a superalloy having the formula MCrAlY--X, wherein M is at least one metal taken from the group consisting of nickel, cobalt, and iron; X is at least one reactive element taken from the group consisting of hafnium, rhenium, |
| 6346134 |
Superalloy HVOF powders with improved high temperature oxidation, corrosion and creep resistance |
February 12, 2002 |
| A high velocity oxygen fuel thermal spray powder comprising a superalloy having the formula MCrAlY--X, wherein M is at least one metal taken from the group consisting of nickel, cobalt, and iron; X is at least one reactive element taken from the group consisting of hafnium, rhenium, |
| 6319560 |
Apparatus and method for coating the outer surface of a workpiece |
November 20, 2001 |
| A method and apparatus for coating the outer surface of a workpiece comprises disposing a workpiece in a fixed position along an axis and rotating a thermal spray gun around the axis on a support with a thermal spray thereof directed towards the axis. The powder, fuel and oxygen are |
| 6254704 |
Method for preparing a thermal spray powder of chromium carbide and nickel chromium |
July 3, 2001 |
| A thermal spray powder consists of nickel, chromium and carbon. The chromium consists of a first portion and a second portion, the nickel being alloyed with the first portion in an alloy matrix. The second portion and the carbon are combined into chromium carbide substantially as Cr. |
| 6091042 |
Arc thermal spray gun extension and gas jet member therefor |
July 18, 2000 |
| An arc spray apparatus includes a spray gun body with a pair of converging wire guides to guide two feeding metal wires to a region of contact at the wire tips where an arc melts the tips. A gas jet member has a projection extending forwardly from the gun body and offset laterally from a |
| 6076742 |
Arc thermal spray gun extension with conical spray |
June 20, 2000 |
| In a two-wire arc spray extension two metal wires are guided into contact, and a gas cap is affixed to a gun body. The feeding wires receive an arc current to effect an arc and thereby molten metal at the wire tips. The gas cap has a plurality of orifices therein that receive pressurized |
| 6071324 |
Powder of chromium carbide and nickel chromium |
June 6, 2000 |
| A thermal spray powder consists of nickel, chromium and carbon. The chromium consists of a first portion and a second portion, the nickel being alloyed with the first portion in an alloy matrix. The second portion and the carbon are combined into chromium carbide substantially as Cr. |
| 6068201 |
Apparatus for moving a thermal spray gun in a figure eight over a substrate |
May 30, 2000 |
| A figure eight mechanism moves a thermal spray gun over a substrate such that the deposit pattern has a figure eight configuration. The mechanism and thereby the thermal spray gun and the pattern are traversed along the substrate. The mechanism is such that, when driven by an input drive |
| 6042019 |
Thermal spray gun with inner passage liner and component for such gun |
March 28, 2000 |
| A gas cap for a thermal spray gun has a spray passage extending from the combustion chamber to an exit end, and a thermal spray material is fed into the passage. A nozzle component of the gas cap is formed of a tubular inner member in thermal contact with a metallic outer member, such as |
| 5997248 |
Silicon carbide composition for turbine blade tips |
December 7, 1999 |
| A granular composition is applied to tips of rotor blades utilized in a gas turbine engine wherein the blade tips rub against an abradable ceramic layer. Individual grains each have a core of silicon carbide and a layer of aluminum nitride on the core. A layer of a cladding metal may be |
| 5964405 |
Arc thermal spray gun and gas cap therefor |
October 12, 1999 |
| An arc spray gun has a pair of tubular wire guides that guide two metal wires to a point of contact at the wire tips where an arc current through the wires effect an arc, thereby melting the tips. Primary gas channeling on a central axis issues a primary gas flow that atomizes the molten |
| 5935458 |
Wire thermal spray apparatus with dual motors |
August 10, 1999 |
| A wire thermal spray gun such as a two-wire arc gun has a speed regulator for a DC pull motor in the gun. Armature current corresponds to pulling torque on the pull motor depending on load resistance of the wires. A DC push motor is between a wire supply and the gun, with wire conduits |
| 5837959 |
Single cathode plasma gun with powder feed along central axis of exit barrel |
November 17, 1998 |
| A single cathode plasma gun injects powder therein so that the powder exits along a central axis of an exit barrel of the gun, in order to provide improved coatings of the powder material on a workpiece. The central axis of the single cathode extends from an arc chamber and intersects wi |
| 5506055 |
Boron nitride and aluminum thermal spray powder |
April 9, 1996 |
| A composite thermal spray powder, for producing abradable coatings, is substantially in the form of clad particles each of which has a core particle of boron nitride and subparticles of aluminum-silicon alloy. The subparticles are bonded to the core particle with an polymeric binder. |
| 5436426 |
Fixture and method for cooling tubular substrate during thermal spraying |
July 25, 1995 |
| A cooling fixture for thermal spraying includes a rotatable tubular member for supporting a tubular substrate such as for an oxygen sensor. A cooling tube extends from the tubular member into an open end of the substrate so as to delimit an annular channel therein. The other end of the s |
