Hayford
Ellis Craig Hayford, Williston, VT US
Patent application number | Description | Published |
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20080258081 | REMOVABLE LINERS FOR CHARGED PARTICLE BEAM SYSTEMS - A method of improving the performance of charged beam apparatus. The method including: providing the apparatus, the apparatus comprising: a chamber having an interior surface; a pump port for evacuating the chamber; a substrate holder within the chamber; and a charged particle beam within the chamber, the charged beam generated by a source and the charged particle beam striking the substrate; and positioning one or more liners in contact with one or more different regions of the interior surface of the chamber, the liners preventing material generated by interaction of the charged beam and the substrate from coating the one or more different regions of the interior surface of the chamber. | 10-23-2008 |
20080277597 | REMOVABLE LINERS FOR CHARGED PARTICLE BEAM SYSTEMS - An apparatus. The apparatus including: a chamber having an interior surface; a pump port for evacuating the chamber; a substrate holder within the chamber; a charged particle beam within the chamber, the charged beam generated by a source and the charged particle beam striking the substrate; and one or more liners in contact with one or more different regions of the interior surface of the chamber, the liners preventing material generated by interaction of the charged beam and the substrate from coating the one or more different regions of the interior surface of the chamber. | 11-13-2008 |
Paul Hayford, Holmer Green GB
Patent application number | Description | Published |
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20110005328 | BI-AXIAL ELECTROMAGNETIC ACTUATOR - A biaxial electromagnetic actuator for a materials testing apparatus comprises a first electromagnetic actuator for imparting a linear force to an output shaft and a second, direct drive electromagnetic actuator for imparting a rotational force to the shaft. The shaft is mounted in two combination bearings which permit the shaft to move axially and rotationally. One of the bearings is located within a hollow cylindrical member which constitutes the armature of the direct drive actuator in order to provide a compact and symmetrical arrangement. | 01-13-2011 |
20110288791 | APPARATUS, CONTROLLER AND METHOD FOR ADAPTIVE CONTROL OF AN ELECTROMAGNETIC ACTUATOR - Provided are a structure testing apparatus, a controller for such an apparatus and a method for controlling a structure testing apparatus in which operation of a direct drive electromagnetic actuator is continuously auto-tuned during a test, so that the test load applied to a specimen during the test is the correct, desired load according to the current specimen parameters including stiffness. Forward and feedback control gains are repeatedly recalculated during the test in response to monitored specimen parameters. | 11-24-2011 |
Paul Hayford, Buckinghamshire GB
Patent application number | Description | Published |
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20100229652 | TUNING OF MATERIALS TESTING MACHINE - In a method of operating a material testing machine for testing a specimen, the machine has an electrically controllable actuator arranged to apply a force to the specimen. The method includes inputting a single adjustable parameter value, calculating all necessary feedback control gains therefrom, and subsequently conducting a test of the specimen. | 09-16-2010 |
Paul Hayford, Herne Villa GB
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20110054823 | SYSTEM, CONTROLLER AND METHOD FOR SYNCHRONIZED CAPTURE AND SYNCHRONIZED PLAYBACK OF DATA - Provided are a method, a test system and a microcontroller ( | 03-03-2011 |
Richard K. Hayford, Cape Neddick, ME US
Patent application number | Description | Published |
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20130052021 | ROTOR ASYMMETRY - A gas turbine engine has a section, such as a compressor section, with at least two spaced apart stator assemblies and an asymmetrical rotor assembly positioned between the spaced apart stator assemblies. The asymmetrical rotor assembly has a rotor array which is asymmetric about at least one diameter of the rotor assembly. | 02-28-2013 |
20130195651 | VARIABLE VANE DAMPING ASSEMBLY - A variable vane damping assembly includes an inner bushing and an outer bushing. The inner bushing comprises an elastomeric material. | 08-01-2013 |
20130243580 | GAS TURBINE ENGINE VARIABLE STATOR VANE ASSEMBLY - A variable stator vane assembly for a gas turbine engine includes a variable stator vane and a non-structural fairing on the variable stator vane. | 09-19-2013 |
20130259658 | VARIABLE VANE INNER PLATFORM DAMPING - A variable vane assembly includes a damper positioned between a platform and a trunnion. The damper is comprised of a resilient material. | 10-03-2013 |
20140013772 | JOINT BETWEEN AIRFOIL AND SHROUD - A stator joint for a gas turbine engine has a center axis, and a shroud having a radial wall facing substantially radially with respect to the center axis. A slot wall defines in-part a slot in the shroud. A relief wall defines a relief area of the slot. The relief wall extends between the radial wall and the slot wall. A vane has an airfoil and a lug extending into the slot. A flowable attachment material is disposed in the relief area for engagement of the vane to the shroud. A vane assembly and a gas turbine engine are also disclosed. | 01-16-2014 |
20140030085 | COMPLIANT ASSEMBLY - A compliant assembly includes an airfoil and a platform section from which the airfoil extends. The platform section includes a compliant attachment that is configured to secure the platform section to another structure different than the airfoil. The compliant attachment includes a compliant material. | 01-30-2014 |
20140037442 | ANTI-ROTATION LUG FOR A GAS TURBINE ENGINE STATOR ASSEMBLY - A stator assembly includes a case including an arcuate wall having an aperture with circumferentially spaced first lateral surfaces. A stator vane has an outer platform with a notch. An anti-rotation lug has a base that is received in the notch and a boss extends from the base. The boss is received in the aperture. The boss has second lateral surfaces that engage the first lateral surfaces in an interference fit relationship. | 02-06-2014 |
20140169950 | VARIABLE VANE HAVING BODY FORMED OF FIRST MATERIAL AND TRUNNION FORMED OF SECOND MATERIAL - A variable vane includes a variable vane body that has an airfoil portion. The variable vane body is formed of a first material. A trunnion is attached at one end of the variable vane body. The trunnion includes a pivot formed of a second, different material. | 06-19-2014 |
20140212263 | AIRFOIL WITH VARIABLE PROFILE RESPONSIVE TO THERMAL CONDITIONS - An airfoil includes an airfoil body having a first section and a second section that differ by coefficient of thermal expansion. The second section is arranged in thermomechanical juxtaposition with the first section such that the first section and the second section cooperatively thermomechanically control a profile of the airfoil body responsive to varying thermal conditions. | 07-31-2014 |
20140298788 | GAS TURBINE ENGINE INCLUDING PNEUMATIC ACTUATOR SYSTEM - A gas turbine engine that includes a compressor section and a pneumatic actuator system is delivered. The pneumatic actuator system includes a bleed air duct that receives bleed air from the compressor section and delivers the bleed air through an accumulator and to an actuator. The accumulator includes a chamber that attenuates a fluctuation in a pressure of the bleed air. | 10-09-2014 |
20150030443 | SPLIT DAMPED OUTER SHROUD FOR GAS TURBINE ENGINE STATOR ARRAYS - A vane cluster includes a split damped outer shroud and an inner shroud spaced from the split damped outer shroud with a multiple of stator vane airfoils that extend between the split damped outer shroud and the inner shroud. | 01-29-2015 |
20150285152 | GAS TURBINE ENGINE AND SEAL ASSEMBLY THEREFORE - The present disclosure relates generally to a hydrostatic advanced low leakage seal having a plurality of shoes, each supported by at least one spring element. The mass and/or circumferential length of some of the shoes and/or the spring rate of some of the beams may be changed in order to provide different vibratory responses for different shoe/beam assemblies. | 10-08-2015 |
20150321296 | REPAIR MATERIAL PREFORM - A structural element and method for repairing a damaged portion of a metal component utilizes a preform configured to engage with the metal component and receive a repair material. The preform may be made of a material having a first melting point, and the repair material may be made of a material having a second melting point that is lower than the first melting point. The preform may be a mold configured to reconstruct the shape of the damaged portion of the metal component. The repair material may include a first material and an additive material, such as boron. The repair material may have a melting point that is approximately 40 degrees Fahrenheit lower than the melting point of the metal component. | 11-12-2015 |
20150321297 | SYSTEMS AND METHODS FOR REPAIRING A SURFACE OF DAMAGED METAL COMPONENTS - A structural element and method for repairing a damaged portion of the metal component comprising a repair material and a layer of diffusive metal material, the metal component comprising a material having a first melting point and the repair material comprising a material having a second melting point that is lower than the first melting point. The repair material also includes an additive material, which diffuses at least partially into the layer of diffusive metal material. The repair material may comprise a cobalt or nickel-boron composition. The repair material may also have a melting point that is approximately 40 degrees Fahrenheit lower than the melting point of the metal component. | 11-12-2015 |
20150361801 | FLUID DAMPER AND METHOD OF MAKING - An airfoil includes an airfoil structure defining a damping network that includes a first cavity, a second cavity, a flow passage connecting the first and second cavities. The airfoil further includes a damping material configured to flow through the damping network. A method of forming an airfoil includes forming an airfoil body having a damping network that includes a first cavity, a second cavity, and a flow passage connecting the first and second cavities. The method further includes adding a damping material configured to flow through the damping network. | 12-17-2015 |
20160040555 | COMPRESSOR CASE SNAP ASSEMBLY - A turbine engine case spacer includes an air seal and a flange. The air seal is snap fit to the flange, and each flange includes at least two distinct material layers. | 02-11-2016 |
20160084089 | INTERNALLY DAMPED AIRFOILED COMPONENT AND METHOD - An airfoiled component comprises: a root section, an airfoil section, a damper pocket enclosed within a portion of the airfoil section, and a damper. The airfoil section includes a suction sidewall and a pressure sidewall each extending chordwise between a leading edge and a trailing edge, and extending spanwise between the root section and an airfoil tip. The damper includes a fixed end unified with a damper mounting surface, and a free end extending into the damper pocket from the damper mounting surface. | 03-24-2016 |
20160097291 | STATOR ASSEMBLY FOR A GAS TURBINE ENGINE - A stator assembly includes a platform located on a radially inner end of a plurality of vanes that connects a first vane to a second vane. There is a platform groove on a radially inner side of the platform between the first vane and the second vane. | 04-07-2016 |
Roy Hayford, Northville, MI US
Patent application number | Description | Published |
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20160053840 | Brake Assembly Having a Camshaft Seal Assembly - A brake assembly having a seal assembly that extends around a camshaft tube. The seal assembly may have a first retainer ring, a second retainer ring, and a seal. The seal may extend between the first retainer ring and the second retainer ring and the camshaft tube may be disposed between the camshaft and the seal. | 02-25-2016 |
Roy Hayford, Troy, MI US
Patent application number | Description | Published |
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20140262643 | BRAKE ASSEMBLY WITH IMPROVED BRAKE SHOE RETENTION - A brake assembly having a brake shoe and an anchor pin. The brake shoe may have an anchor pin slot that may include first and second connecting surfaces that extend from an arcuate bearing surface. The anchor pin may have a flat and may be inserted into the anchor pin slot when the flat is aligned with the second connecting surface. | 09-18-2014 |
20150122603 | Brake Assembly with Improved Brake Shoe Retention - A brake assembly having a brake shoe and an anchor pin. The brake shoe may have an anchor pin slot that may include first and second connecting surfaces that extend from an arcuate bearing surface. The anchor pin may have first and second flats and may be inserted into the anchor pin slot when the first and second flats are aligned with the first and second connecting surfaces. | 05-07-2015 |
Roy L. Hayford, Canton, MI US
Patent application number | Description | Published |
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20130240307 | MANUAL ADJUSTER FOR AUTOMATIC SLACK ADJUSTER - A slack adjuster comprises a worm shaft that is configured to drive a worm gear adapted for coupling to a camshaft. An adjustment assembly receives slack adjustment input from a push rod and is configured to automatically rotate the worm shaft when brake slack exceeds a predetermined limit. The slack adjuster includes a manual adjuster that is moveable between a non-adjustment position where the manual adjuster is de-coupled from the worm shaft and a manual adjustment position where the manual adjuster is coupled to the worm shaft such that a position of the worm shaft can be manually adjusted as needed. | 09-19-2013 |
20130240308 | ADJUSTMENT ASSEMBLY INSTALLATION INTO AUTOMATIC SLACK ADJUSTER HOUSING - A slack adjuster comprises a worm gear configured to be coupled to a camshaft, a worm shaft in engagement with the worm gear, and a housing having a lever configured for connection to a brake chamber output rod. The housing includes an opening that receives the worm gear and a blind bore that receives the worm shaft. An adjustment assembly is installed within the blind bore and is coupled to the worm shaft. The adjustment assembly is configured to automatically rotate the worm shaft when brake slack exceeds a predetermined limit. | 09-19-2013 |
Tracy L. Hayford, Newburgh, IN US
Patent application number | Description | Published |
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20080266110 | SYSTEM AND METHOD FOR TRACKING PERSONNEL AND EQUIPMENT - A system for tracking personnel and equipment in hazardous environments in pre or post-accident situations includes an intrinsically safe tracking tag and an intrinsically safe reader system. The intrinsically safe tracking tag transmits identification and status information to the intrinsically safe reader system, which includes a plurality of intrinsically safe antennas and a hub cable driver. In one embodiment, antennas are located at known positions in the hazardous environment and connected via a redundant, wired-mesh topology. The wired-mesh topology also allows more flexible antenna placement than line-of-sight wireless-mesh systems. The hub cable driver provides intrinsically safe power to and communication with the antennas using communication cables, receives data signals from the antennas, and transmits the data signals to a server. The server stores the data signals in a storage device and is connected to a workstation. The workstation retrieves the stored data to track persons or equipment. | 10-30-2008 |
20140266759 | SYSTEM AND METHOD FOR POSITION DETECTION - A system and method for detecting a position of a person or second machine relative to a machine is provided. The system includes a transmitter system located on the machine, a locator for being carried by the person, means for determining the position of said locator relative to the transmitter system, means for defining one or more safety zones around the machine; and warning means for generating a signal when said locator enters into any of said one or more safety zones. The transmitter system includes a controller for generating a uniquely encoded magnetic signal and a plurality of drivers in communication with the controller for transmitting the uniquely encoded magnetic signal. According to the method a uniquely encoded magnetic signal is generated and transmitted around the machine from a transmitter system located on the machine. The magnetic signal is received and processed at a locator carried by the person. A locator radio frequency signal is transmitted from the locator in response to the received and processed magnetic signal. The locator radio frequency signal is received at the transmitter system. An algorithm is performed at the transmitter system based on the magnetic signal and locator radio frequency signal to determine the position of the locator relative to the transmitter system. | 09-18-2014 |