Plastic-jacketed filter underdrain block
The present invention comprises a precast, plastic-jacketed filter underdrain block. The plastic jacket additionally functions as a mold for the concrete. Thus, relatively lightweight, inexpensive pla... Read More
Inventors: Gresh, Richard D.; Netherland, Robert B.;, Assignee: Tetra Technologies (The Woodlands, TX) |
Cap for underdrains in gravity filters
In accordance with the invention, a cap for filter underdrain blocks is provided wherein the cap comprises a porous, planar body having a top surface, a bottom surface, a first lateral edge, a second ... Read More
Inventors: Brown, Marvin A.; Wolfe, Gerald D.; Beverly, Richard P.;, Assignee: The F. B. Leopold Company, Inc. (Zelienople, PA) |
Method and apparatus for filtering water with reduced spillage
I claim: 1. A method for filtering treated water from a first container into a second container, said first and said second containers each including a threaded neck portion, said method comprising th... Read More
Inventors: Becking, II, Paul E.;, Assignee: |
Peristaltic filtration hose apparatus and method
This invention provides a method for concentrating a mixture of at least one fluid component and at least one solid component. The method includes: providing a flexible, longitudinally extending hose ... Read More
Inventors: Parker, Michael H.;, Assignee: |
Forge joining repair technique
In the compressor and turbine sections of gas turbine engines, the disk and drum sections are operated near or at the outer limits of their property capabilities with respect to both temperature and s... Read More
Inventors: Baumgarten, Robert W.; Robertson, John M.;, Assignee: United Technologies Corporation (Hartford, CT) |
Method of repair of turbines
It is an object of the present invention to provide a method of repairing stator blades that overcomes or minimises the problems mentioned above. According to one aspect of the present invention we pr... Read More
Inventors: Fraser, Michael J.;, Assignee: Turbine Blading Limited (Droitwich, GB) |
Technique for direct bonding cast and wrought materials
In both the compressor and turbine sections of modern jet engines, components are operated at or near the outer limits of their capabilities with respect to both temperature and stress, and, according... Read More
Inventors: Robertson, John M.; Baumgarten, Robert W.; Bogard, Ralph B.; Dunn, Brian T.;, Assignee: United Technologies Corporation (Hartford, CT) |
Method of repairing metallic alloy articles, such as gas turbine engine components
We claim: 1. A method of repairing a metallic alloy article having a defect cavity greater than about 0.010 inches (2.54.times.10.sup.-4 m) in maximum width, the method comprising the steps of: provid... Read More
Inventors: Schaefer, Robert P.; Bender, William F.; Arnold, Matthew J.;, Assignee: United Technologies Corporation (Hartford, CT) |
Method of repairing damaged turbine rotor wheels using differentially controlled temperatures
In accordance with one aspect of the present invention, there is provided a dovetail repair for a turbine rotor which, instead of a weld buildup repair, provides a ring replacement, typically a forgin... Read More
Inventors: Nolan, John Francis; Crawmer, Gerald Richard; Emeterio, Eloy Vincent;, Assignee: General Electric Co. (Schenectady, NY) |
Repair of turbine exhaust case
The concept of the repair process of this invention is that the reinforcement brace reduces the localized stress concentration experienced by the case wall adjacent to the mount lugs in mounting flan... Read More
Inventors: Johnson, Bruce; Blumanstock, Ben;, Assignee: Chromalloy Gas Turbine Corporation (San Antonio, TX) |
Welding method and assembly therefor
The present invention generally provides an assembly and method for welding an article, and particularly an air-cooled superalloy airfoil of a gas turbine engine. The assembly and method serve to prev... Read More
Inventors: Caddell, Jr., James W.; Lawrence, Robert D.;, Assignee: General Electric Company (Cincinnati, OH) |
Methods for manufacture and repair and resulting components with directionally solidified or single crystal materials
Since the stresses in many of the most critical areas are unixal, the main object of the present invention is to provide a method of manufacturing and repair wherein additional strength in the directi... Read More
Inventors: Esch, Hans van; Greaves, Wayne;, Assignee: Hickham Industries, Inc. (La Porte, TX) |
Method of repairing an airfoil
OF THE INVENTION Referring to FIG. 1, a conventional rotor assembly 10 includes a disk 12 and a plurality of rotor blades 14. Each rotor blade 14 includes a root 16, a platform 18, and an airfoil 20.... Read More
Inventors: Owen, William D.; Baumgarten, Robert; Malmborg, Eric William; Palazzini, Christopher; Palko, Frank E.;, Assignee: United Technologies Corporation (Hartford, CT) |
Method for composite material repair
In accordance with the present invention, a method for composite material repair is provided that substantially eliminates or reduces disadvantages or problems associated with previously developed met... Read More
Inventors: Coltrin, David H.;, Assignee: Lockheed Martin Corporation (Bethesda, MD) |
Method for closing core printout holes in superalloy gas turbine blades
In accordance with the foregoing, an aspect of the present invention is to provide a method of closing a core printout hole in a superalloy turbine blade, the general nature of which can be stated as ... Read More
Inventors: Taras, Jr., Michael A.; Sabol, Stephen M.;, Assignee: Siemens Westinghouse Power Corporation (Orlando, FL) |
Method for repairing a gas turbine component
The present invention provides a soldering method and material for repairing components, such as damaged turbine blades, that can be used in a simple manner and avoids the disadvantages associated wit... Read More
Inventors: Fried, Reinhard; Bogli, Andreas;, Assignee: ALSTOM (Switzerland) Ltd (Baden, CH) |
Transient liquid phase bonding repair for advanced turbine blades and vanes
Accordingly, the present invention provides a method of repairing blades and vanes of a gas turbine engine that have been damaged in service or during the manufacturing process, using transient liquid... Read More
Inventors: Burke, Michael A.; Swartzbeck, Gary W.; Freyer, Paula D.;, Assignee: Siemens Westinghouse Power Corporation (Orlando, FL) |
Waterbed mattress
In accordance with the present invention the fibrous material or structure spreads out into the contained water volume. The fibrous material contemplated by the present invention is a non-woven or ve... Read More
Inventors: Fraige, Richard;, Assignee: |
Stressed skin post and beam building construction system
According to the present invention, there is provided a stressed skin post and beam construction comprising: (a) a first post; (b) a first beam parallel to an exterior wall of the building and resting... Read More
Inventors: Rydeen, Robert J.;, Assignee: R. J. Ryddeen & Associates (Brentwood, NH) |
Nodal point connection
OF THE INVENTION FIGS. 1, 2 and 5-18 show a spherical nodal body 10 of a nodal point connection which is composed of four nodal body disks, specifically two identical inner nodal body disks 10.1 and ... Read More
Inventors: Gassler, Kurt;, Assignee: |
Hermetic sealing of abutment joints by non-vacuum focused energy welding
We claim as our invention: 1. A method of hermetically sealing by NVFE (non-vacuum focused energy) welding, an abutment joint formed by two elongate surfaces comprising: providing at substantially spa... Read More
Inventors: Torok, George E.; Gajdusek, Jr., Ernest;, Assignee: Houdaille Industries, Inc. (Fort Lauderdale, FL); Leybold-Heraeus Vacuum Systems, Inc. (Enfield, CT) |
Method of making torsional vibration damper having a roll spun housing
A typical viscous torsional vibration damper, sometimes referred to as a crankshaft damper, embodying the present invention, is depicted in FIGS. 1 and 2. This damper comprises as its major component... Read More
Inventors: Critton, Thomas J.; Johnson, Donald S.; Pukalo, Walter P.; Yorio, Ralph;, Assignee: Vibratech, Inc. (Buffalo, NY) |
Hardfaced article and process to provide porosity free hardfaced coating
OF THE INVENTION Referring now to the drawings wherein the showings are for the purposes of illustrating the prior art and preferred embodiments of the invention only and not for the purpose of limit... Read More
Inventors: Solanki, Mukesh; Handzel, John; Coslow, Carl;, Assignee: The Pullman Company (Livingston, NJ) |
Method for making a camshaft
In view of the foregoing, an object of the present invention is to provide a lightweight, large-sized camshaft suitable for mass production. To accomplish these and other objects of the invention, the... Read More
Inventors: Urano, Shigeru;, Assignee: Nippon Piston Ring Co., Ltd. (Tokyo, JP) |
Expansion apparatus having three borehole-channel systems
OF PREFERRED EMBODIMENTS FIG. 1 shows a basic probe member 1 which ends in a probe head 2 and onto which there have been slid two sleeves 3, 4 which are connected to the basic member 1 by soldering, ... Read More
Inventors: Swars, Helmut; Maus, Wolfgang;, Assignee: Emitec Gesellschaft fur Emissionstechnologie mbH (Lohmar, DE) |
Hollow shaft
Multipart hollow shafts, which can also be called built-up hollow shafts and which are produced by joining a pipe and structural elements, such as cams or the like are known. German Patent Application... Read More
Inventors: Ebbinghaus, Alfred;, Assignee: Gesenkschmiede Schneider GmbH (Aalen, DE) |
Method and device for manufacturing a tubular hollow body with spaced-apart increased diameter portions
I claim: 1. A method of manufacturing a tubular hollow body having increased diameter portions spaced apart in a longitudinal direction of the hollow body using an internal high pressure deforming pro... Read More
Inventors: Olszewski, Egon;, Assignee: Benteler AG (Paderborn, DE) |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST*** *** NO IMAGES AVAILABLE***
Description:... Read More
Inventors: , Assignee: |
Round building with combined center support tube and flue structure
OF THE INVENTION Referring now more specifically to the drawings, the numeral 10 generally designates a building constructed in accordance with the present invention including a foundation 12 of any ... Read More
Inventors: Schmidt, Norbert T.;, Assignee: |
System for anchoring a tendon in a structural concrete unit
What is claimed is: 1. In a wedge anchoring system for anchoring a tendon extending through a structural concrete unit at a location where the tendon extends from the unit including an anchoring membe... Read More
Inventors: Wlodkowski, Johann; Jungwirth, Dieter;, Assignee: Dyckerhoff & Widmann Aktiengesellschaft (Munich, DE) |