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| Number | Title | Issue Date |
| 3946681 | Earth working apparatus An earth working apparatus for use in agricultural pre-planting operations includes a first frame having laterally spaced ground engaging wheels and a second frame having a leading edge thereof pivotally mounted on the first frame adjacent a leading edge ... | 03/30/1976 |
| 3946682 | Swingaway convertible bed cabinets A cabinet and work table for a sewing machine having a convertible work supporting bed capable of conversion from a flat work supporting bed to a cylinder bed. The cabinet work supporting surface is divided into two parts, a fixed rear work supporting sur... | 03/30/1976 |
| 3946683 | Tabless container opening device and method and tools for forming the same A tabless container opening device of work hardened metal having at least one substantially rigid inwardly displaceable opening panel bounded by a weakening line which includes a fracturable web and having an outwardly projecting deflectable portion in th... | 03/30/1976 |
| 3946684 | Semi-submersible jackup apparatus A modular-like system of offshore structures for imparting flexibility to the offshore exploration and production and transportation industries so that exploration, production and development work can take place over a large range of marine depths and ope... | 03/30/1976 |
| 3946685 | Hover control valve for submarine hovering system A hydrodynamically balanced quiet control valve for a submarine (underwater ehicle) hovering system. The valve has a cylindrical valve element within a four-port valve housing. The interior of the valve element is divided into three chambers by a pair of p... | 03/30/1976 |
| 3946686 | Bottom-dump vessel A bottom-dump vessel, whose longitudinal hull sections can be pivoted apart by jack means to provide an open bottom for discharge of cargo, has the adjoining edges of the keels of the hull sections interconnected by articulated rods which in substantial s... | 03/30/1976 |
| 3946687 | Conical bulbous bow A novel bulbous bow for bulk carriers comprises a conical bulb with a faired nose, with the axis of the cone substantially parallel to the longitudinal axis of the ship. In a preferred embodiment the cone is a right circular cone and the faired nose is su... | 03/30/1976 |
| 3946688 | Hydrodynamic sections A method of designing hydrodynamic sections having improved characteristics is described wherein a desired pressure profile and boundary layer conditions for the surface of an undefined section are established at operating velocities for the section and a... | 03/30/1976 |
| 3946689 | Air dynamo pressure regulation and modulation device for surface effect ships and air cushion vehicles A device for reducing the roughness of ride of a Surface Effect Ship and producing power for use in the craft's auxiliaries. Cushion air is vented through a duct which has a generator in it; the power-absorbing capability of the generator is variable. Var... | 03/30/1976 |
| 3946690 | Steering large vessels A process and apparatus for stabilizing the course angle of a large ship by producing a signal when the measured variation of the course angle with time reaches an extreme value and utilizing said signal to reset the rudder over a discrete angle towards s... | 03/30/1976 |
| 3946691 | Autopilot employing improved hall-effect direction sensor An improved marine compass employs a Hall-effect device which provides an output signal related to the relative rotation of the compass card therein. When the Hall-effect device is mounted on a course dial whose position with respect to the compass' lubbe... | 03/30/1976 |
| 3946692 | Device for cleaning ship's hulls and other immersed surfaces A device for cleaning immersed surfaces comprising a supporting structure rrying rotary circular brushes for cleaning the surface and wheels for moving the device on the surface. When rotated the brushes produce a force of attraction towards the surface. ... | 03/30/1976 |
| 3946693 | Removable inboard rudder An inboard rudder capable of being removed and mounted through a hollow trunk within the hull of the boat and so arranged that the rudder post is pivotally mounted and held in place against one side of the trunk by means of a filler member which is insert... | 03/30/1976 |
| 3946694 | Automatic emergency bilge water pumpout system An automatic emergency bilge water pumpout system. The system comprises a through-hull water intake pipe for a boat engine's cooling water pump and a valve for closing the intake of water through the through-hull intake pipe. Another emergency pipe for as... | 03/30/1976 |
| 3946695 | Self-deploying multiple anchor mooring systems A multiple anchor marine mooring system wherein a plurality of anchors capable of stably gliding through water at a fixed depression once a minimum glide velocity is attained are secured to a carrier in a compact cluster. The cluster is configured so that... | 03/30/1976 |
| 3946696 | Automatically controlled magnetic minesweeping system The invention is an automatically controlled magnetic marine mine sweeping ystem that does not constitute a safety hazard to the ship deploying it. It includes a ship that trails a pair of electrodes within the water which are, in turn, electrically energi... | 03/30/1976 |
| 3946697 | Engine exhaust gas discharge arrangement Disclosed herein is an engine block including first wall portions defining a combustion chamber, second wall portions defining a bore including a first portion extending from the combustion chamber and a second portion enlarged with respect to the first p... | 03/30/1976 |
| 3946698 | Inboard-outboard drive for marine vessel An inboard-outboard drive is taught having an upper, approximately horizontal input shaft; an output shaft substantially parallel thereto for driving a propeller; and a vertically-oriented intermediate shaft coupled to the other shafts by suitable gearing... | 03/30/1976 |
| 3946699 | Automatic flag storage and display device An automatic flag storage and display device which has a hollow tubular member and a first pole member supported within the tubular member. The axis of the tubular member and the axis of the first pole member are parallel. The first pole member is adapted... | 03/30/1976 |
| 3946700 | Glue applicator Disclosed is a glue applicator for applying glue to an uneven generally vertical surface having a generally upright rotary brush with a compartmented doctor block at one side thereof. Glue is pumped into the feed compartment and onto the brush which then ... | 03/30/1976 |
| 3946701 | Trough feeder with shield for growing fowl A trough feeder is disclosed for use with growing fowl. The feeder is partially defined by a relatively low feed-retaining side wall located adjacent a row of retaining cages. Spaced above the cages at a first mounting position is a shield member. Small c... | 03/30/1976 |
| 3946702 | Automatic animal feeders An automatic animal feeder comprising a housing in which a food container is rotatable. The food container has circularly-spaced food compartments which register in consecutive order with a food outlet below when the food container receives periodical mot... | 03/30/1976 |
| 3946703 | Liquid feeder for animals A liquid feeder for animals which includes a spherical member mounted for flotation in liquid feed carried by a receptacle with the upper surface of the spherical member being in position for animals to lick and thus rotate the spherical member to transfe... | 03/30/1976 |
| 3946704 | Apparatus for controlling transient occurrences in an electronic fuel injection system A circuit for controlling transient occurrences in an electronic fuel injection system in which the occurrence is sensed and used to produce auxiliary injection signals which are combined with the main injection signals from the injection system computer.... | 03/30/1976 |
| 3946705 | Heat engine power system A heat engine power system includes a fluid fuel heat engine designed to determined performance characteristics for military vehicles, and a cooling subsystem which has enough capacity to carry away the rejected engine heat. When the exigencies of parts ... | 03/30/1976 |
| 3946706 | Rotary machines comprising four cylinders in a star An explosion engine comprises: a rotary shaft with axis A; four cylinders 6, 7, 8, 9 in a star aligned in pairs on two axes B and C perpendicular to the axis A and to each other, but not coplanar; a first assembly of two pistons 10, 11 suitable to slide w... | 03/30/1976 |
| 3946707 | Electronic vehicle speed control Disclosed is an electronic vehicle speed control with a fluid actuating means. Typically the actuating force is derived from the vehicle engine manifold vacuum applied selectively to a bellows operatively connected to the throttle mechanism. A dead-band t... | 03/30/1976 |
| 3946708 | Device for adjusting ignition time for internal combustion engine The disclosed device comprises a thyristor and a first set of breaker's contacts serially interconnected across a second set of breaker's contacts used in the normal operation. In the idling and low speed operations, the thyristor is conducting so that th... | 03/30/1976 |
| 3946709 | Tachometric and angular programming system for rotary device A tachometer and angular progression measuring system for a rotary device of the type including a pickup for producing a pulse each time the rotary device has rotated a given angle which includes a source of first pulses of a first frequency synchronized ... | 03/30/1976 |
| 3946710 | Supplemental air valves and supplemental air systems for internal combustion engines Engine performance is improved and nitrogen compound emission is reduced by introducing supplemental air to the intake manifold of an internal combustion engine which is fitted with a PCV valve. The supplemental air inlet device is connected so that it in... | 03/30/1976 |
| 3946711 | Hydrogen fired ignition system for internal combustion engines An ignition system for internal combustion engines comprises a spark plug located remote from the combustion chamber, a metering pump which supplies a mixture of hydrogen and oxygen gases to the remote spark plug and a capillary-like tube for projecting a... | 03/30/1976 |
| 3946712 | Injection internal combustion engine An improvement in an injection internal combustion engine having at least one fuel injection pump therein which is connected to the fuel supply tank through a suction conduit having a check valve connected in circuit therewith. Fuel which is not injected ... | 03/30/1976 |
| 3946713 | RPM regulator for fuel injection pumps An improved rpm regulator for a fuel injection pump associated with an internal combustion engine. The regulator includes a suction chamber, an intermediate lever, a fuel quantity control sleeve connected to the intermediate lever, a regulating spring ass... | 03/30/1976 |
| 3946714 | Fuel injection system A fuel injection system for externally ignited internal combustion engines including fuel injection nozzles, a fuel distributor unit, a fuel supply circuit, and a control pressure circuit. The distributor unit includes metering valves, pressure valves and... | 03/30/1976 |
| 3946715 | Centrifugal rpm governor for fuel injected internal combustion engines In a centrifugal rpm regulator for fuel injected internal combustion engines, a fuel quantity control rod is provided which receives the forces associated with the displacements of an adapter sleeve which, in turn, is displaceable under the influence of c... | 03/30/1976 |
| 3946716 | RPM regulator for fuel injection pumps A centrifugal rpm regulator for the fuel injection pump of an internal combustion engine is equipped with a separate, independent, rpm-responsive adjustment mechanism which rotates a cam. This cam serves as the limiting stop for a lever which controls the... | 03/30/1976 |
| 3946717 | Fuel vaporizer with centrifugal-venturi liquid droplet feedback Upon the premises that carberation does not provide for substantial vaporization of the fuel to be combusted, this invention discloses a fuel vaporizer inserted in the air and fuel passage with liquid droplet feedback via a sieve providing a venturi effec... | 03/30/1976 |
| 3946718 | Quick-detachable archery quiver An elongated vertical bar or "spine" at its top carries an inverted cup containing a sponge plastic bottom pad for receiving the pointed tips of hunting arrows, and near its lower end carries a circumferentially keyhole-notched plate of resilient material... | 03/30/1976 |
| 3946719 | Radiant gas heater A heater includes coaxially arranged an external heat radiating shell, a central gas fuel tube and an intermediate perforated air conducting tube, from inside of which air flows into a combustion chamber. A tubular partition is provided with the space in betwe... | 03/30/1976 |
| 3946720 | Solar heat collector A self-contained apparatus for collecting, storing and transmitting solar heat includes an elongated insulated housing in which a quantity of heat retaining material is confined and a collector on one face of the housing which has a multi-layered glass fa... | 03/30/1976 |
