Patents Represented by Attorney Q. E. Hodges
  • Patent number: 4007805
    Abstract: 1. An acoustical source for minesweeping operations comprising a stator ing outer and inner surfaces which are surfaces of revolution and an open port connecting said outer and inner surfaces, an external rotor adapted to be rotated around said outer surface of said stator and having outer and inner surfaces which are surfaces of revolution with at least one open port of non-constant cross-section connecting said inner and outer surfaces, said port being substantially larger in cross-sectional area at said inner surface than its cross-sectional area at said outer surface and, said rotor having appreciably greater thickness between said inner and outer surfaces than said stator; and drive means for rotating said rotor at a predetermined speed.
    Type: Grant
    Filed: January 29, 1960
    Date of Patent: February 15, 1977
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Rufus K. Reber
  • Patent number: 4001820
    Abstract: The hyperplane recognizer identifies a target by recognizing its radar siture and separating this signature from background clutter and the signatures of other identifiable targets. The signal is passed through a tapped delay line, with each tap being weighted. As the radar signal travels down the delay line it is scaled by the weights. The weighted signal is summed, and the summed signal is above a defined threshold if a sought target is recognized and below if not.
    Type: Grant
    Filed: August 5, 1971
    Date of Patent: January 4, 1977
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Erik Rosenbaum, Edward G. Klimchak
  • Patent number: 3990258
    Abstract: A launching and recovering means for surface effect ships comprising an eated ramp which extends into the water, and which is designed to be straddled by the surface effect ship. The width of the ramp matches the inside width of the contained pressure section plenum chamber of the surface effect ship; hydraulic jacks or other extensible members support the surface effect ship at the upper end of the ramp.
    Type: Grant
    Filed: December 5, 1974
    Date of Patent: November 9, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Allen G. Ford
  • Patent number: 3985094
    Abstract: A waterjet propulsion system having at least two pumps in series so that low from a hull or other intake is directed through a first waterjet propulsion pump; and then via a two-position diverter valve, either out to a thrust nozzle, or to and through a second waterjet propulsion pump having a thrust nozzle. Subsequent series-pump units and diverter valves may follow to provide as many propulsion stages as required for power requirements. Each pump unit is driven by its own power unit which may be shut down when flow is diverted to the preceding unit's thrust nozzle. Good efficiencies are thereby attained over a wide range of power and speed requirements.
    Type: Grant
    Filed: February 20, 1976
    Date of Patent: October 12, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: John G. Stricker
  • Patent number: 3984774
    Abstract: 1. An antijam, two-way communications station comprising a radiant energy ansmitter and receiver, a signal source connected to said transmitter, a signal subtractor having one input connected to said signal source, another input connected to said receiver and an output, means for selectively connecting said transmitter to said receiver and the output of said signal source for establishing a degenerative feedback loop for noise-free transmission and reception with another station of substantially the same type.
    Type: Grant
    Filed: January 14, 1959
    Date of Patent: October 5, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Willis D. De Hart
  • Patent number: 3981252
    Abstract: A process for neutralizing the toxic nature of organo-metallic antifouling (AF) paint particles, in intimate mixture with spent abrasive particles, derived from the abrasive blasting of ships' hulls. The spent abrasive containing the organo-metallic paint residue is collected and heated in a vapor-tight furnace which is fitted with a safety pressure release valve. When the ignition temperature of the organo-metallic paint is exceeded, the organo-metallic paint particles are oxidized to a harmless, non-toxic metal oxide, which may be safely disposed of. Volatile organo-metallic paint vapors are drawn through an after-burner so that exhaust residue consist only of non-polluting carbon dioxide and water vapor. Metallic elements of commercial value, such as tin, may be recovered from the processed abrasive, which may also be reusable. To ensure complete combustion, air is fed into the combustion furnace from a blower fan, compressor, or other external source.
    Type: Grant
    Filed: December 3, 1975
    Date of Patent: September 21, 1976
    Inventor: Arthur Ticker
  • Patent number: 3980498
    Abstract: An electrochemical cell exhibiting high specific power and specific energy n combination which comprises an aluminum-lithium alloy anode with an aqueous electrolyte. The electrolyte may be the readily available seawater circulated through the cell at a predetermined flowrate to obtain maximum controlled electrical energy output.
    Type: Grant
    Filed: June 25, 1974
    Date of Patent: September 14, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Herman B. Urbach, David E. Icenhower, Mark C. Cervi, Robert J. Bowen
  • Patent number: 3980220
    Abstract: A method of fabricating large cylindrical sections of titanium or other metals for applications such as pressure hulls from cylindrical segments wherein mated segments are capped off and evacuated, atmospheric pressure being used to force the mating surfaces together during diffusion welding.
    Type: Grant
    Filed: December 5, 1974
    Date of Patent: September 14, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Robert J. Wolfe, Charles A. Zanis, Louis F. Aprigliano
  • Patent number: 3977244
    Abstract: A method and apparatus for fluid flow visualization of the fluid stream about a model in a fluid circulating facility. An infrared camera is directed at a model through a window in the facility and due to the temperature differential between the model and the fluid, displays the freestream around the model.
    Type: Grant
    Filed: June 4, 1974
    Date of Patent: August 31, 1976
    Inventor: Michael B. Stone
  • Patent number: 3977969
    Abstract: The invention is a method of clearing oil spills by chemically treating the urface of the oil spill with a polymer of high molecular weight having jelling properties thereby causing the oil to coagulate. The oil is then easily raked off the surface of the water.
    Type: Grant
    Filed: October 26, 1971
    Date of Patent: August 31, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: David M. Zall
  • Patent number: 3976088
    Abstract: A dual, side-mounted inlet for air-launched ramjet missiles that require h angle-of-attack capability. The inlets are located symetrically on both sides of the vehicle pitch plane at an optimum angular displacement around the vehicle's lower surface from windward side meridian, lying in the pitch plane. The inlet pressure recovery and relative weight flow reach maximum values at angular displacements between 45.degree. and 60.degree. at positive angles of attack. The inlet is attached to the vehicle with a conventional boundary layer diverter of minimum height.
    Type: Grant
    Filed: July 26, 1974
    Date of Patent: August 24, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Arthur J. Karanian, Robert L. O'Brien
  • Patent number: 3968762
    Abstract: A watercraft combining the physical and hydrodynamic features of a catama, a hydrofoil, and a rigid sidewall air cushion vehicle that might be considered a triple hybrid (TRIBRID). The TRIBRID is intended to operate as a multi-modal vehicle in the approximate speed range of 0-100 knots. The vehicle from at rest to operational speed, obtains its lift at first from 100% buoyancy of catamaran hulls, then from dynamic lift of hydrofoils, and finally from powered aerostatic lift from a captured air cushion. A combination of two or all lift modes may be used through speed changes and at intermediate speeds.
    Type: Grant
    Filed: August 21, 1975
    Date of Patent: July 13, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: John R. Meyer, Jr.
  • Patent number: 3964838
    Abstract: An airflow control valve for a circulation control rotor helicopter blade wherein the airflow path is equally distributed about the closure element so as to prevent the generation of unbalanced pressure forces.
    Type: Grant
    Filed: September 24, 1973
    Date of Patent: June 22, 1976
    Inventor: John D. Spargo
  • Patent number: 3965455
    Abstract: An acoustic transducer-reflector using a single disc-shaped piezoceramic element radiating into a compound reflector for obtaining a line focus sound beam that is characteristic of focused-arc transducers that maybe used for underseas applications and for non-destructive materials testing. The single transducer emits acoustic energy into the compound reflector which reshapes a circular beam into a focused arc beam. A shadow mask or aperture stop positioned in front of the reflector assures a beam such as would be radiated from a ring source.
    Type: Grant
    Filed: April 25, 1974
    Date of Patent: June 22, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Michael J. Hurwitz
  • Patent number: 3960459
    Abstract: An end fitting for a hawser which reduces the shear stresses generated win the hawser. The hawser is embedded in a tapered plug, which fits within a complementary member which does not surround the tapered plug for its full axial length. As a result of this geometry, the shear stress which results from the combined tensile and compressive stresses within the hawser and plug is reduced thereby allowing a greater tensile load to be exerted upon the hawser.
    Type: Grant
    Filed: June 6, 1974
    Date of Patent: June 1, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Frederic S. Hering, Robert H. Ohlbaum, Joseph R. Crisci
  • Patent number: 3958598
    Abstract: A pilot hydrauic fluid pressure operated valve having the function of a 4sition 5-way valve for controlling the flow of high pressure corrosive media in a high pressure environment such as the deep ocean. The valve body contains two double-ended axially aligned poppet pistons each of which comprise a large pilot actuated piston in the center of the "spool" and each of which have a valve poppet at each end of the "spool" for control of the media which may be sea water ballast of a deep submergence vehicle for example.
    Type: Grant
    Filed: March 25, 1975
    Date of Patent: May 25, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: William E. Schneider, John A. Sasse
  • Patent number: 3957008
    Abstract: Discrete bubbles of hydrogen and other gases are electrolytically created at line sources that are distributed transversely of a vehicle's centerline; the bubbles interact with the boundary layer next to the hull to reduce both skin friction and turbulent drag on the hull in the water.
    Type: Grant
    Filed: March 28, 1974
    Date of Patent: May 18, 1976
    Inventors: Michael E. McCormick, Rameswar Bhattacharyya
  • Patent number: 3957010
    Abstract: A device for stabilizing a floating platform or the like from the roll or heave motions, imparted by wind-maintained waves and regular swells. The platform is supported on a plurality of buoyant pontoons horizontally spaced a variable distance apart in the direction of the wave system. Once the significant wavelength is approximated, the buoyant pontoons are moved to a spacing of a wavelength, of the significant wave, and then continually adjusted to the possibly changing wavelength of the significant wave. These spacing, controlled from the wave system, stabilize the platform because such spacing insures that the lifts from all pontoons at each instant in time are equal.
    Type: Grant
    Filed: August 29, 1975
    Date of Patent: May 18, 1976
    Inventor: Herman A. Soulant, Jr.
  • Patent number: 3956727
    Abstract: A superconducting switch or bistable device comprising a superconductor in a cryogen maintaining a temperature just below the transition temperature, having a window of the proper optical frequency band for passing a laser beam which may impinge on the superconductor when desired. The frequency of the laser is equal to or greater than the optical absorption frequency of the superconducting material and is consistent with the ratio of the gap energy of the switch material to Planck's constant, to cause depairing of electrons, and thereby normalize the superconductor. Some embodiments comprise first and second superconducting metals. Other embodiments feature the two superconducting metals separated by a thin film insulator through which the superconducting electrons tunnel during superconductivity.
    Type: Grant
    Filed: December 16, 1974
    Date of Patent: May 11, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Alfred A. Wolf
  • Patent number: 3951377
    Abstract: The invention is an automatic flow control valve. The rolling cluster of a olamite is biased by the constant force due to the vertical component of gravity on the mass of the rolling cluster. The band of the rolling cluster progressively covers or exposes a porous passage which is integral with one of the rolling planes of the rollamite. Fluid flows through the porous passage and past the rollamite band.The rolamite valve of this invention may be selectively modified to become, alternately, a remotely operated fluidic control valve, an automatic self-regulating volumetric flow control valve, an automatic self-regulating flow control valve for maintaining a constant output pressure, a vapor trap valve, and an automatic self-regulating flow control valve for maintaining a constant input pressure.
    Type: Grant
    Filed: November 7, 1974
    Date of Patent: April 20, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Richard A. Milroy