Abstract: An airflow power station preferably comprises a windmill engine rotatable by wind including a main shaft and a rotational speed sensor, a compressed-air tank, a compressor charging the tank, an electric generator, a flywheel conveying rotation to the compressor and to the generator, and two pneumo-cylinders with pistons and sensors sensing their initial and ending positions. Each piston is coupled with a rod hingedly associated with a clutch controllably engaging and disengaging the piston with the flywheel. Each pneumo-cylinder is divided into an inner and an outer chamber, pneumatically communicating with the tank via an intake valve controllably supplying compressed air and a pneumo-regulator controllably switching the airflow ‘on’ and ‘off’ depending on the rotational speed of main shaft. Each pneumo-cylinder includes a reverse spring disposed in the inner chamber thereof, compressed during a work stroke of the piston and released upon return of the piston into its initial position.

Abstract: A two-stroke opposite rotary-piston engine comprises a cylinder block including a sleeve and two pistons slidely disposed therein, oppositely movable forming a common combustion chamber and a first gap with sleeve's sidewalls, a rotor having a surface formed by an ellipse or Cassini line, traverses attached to the pistons, rollers attached to the traverses and springly depressed against the rotor, oil tubes with end bushings, oil supply and withdraw means, two plungers disposed in each tube forming a second gap essentially less than the first. The plungers are attached to the traverses and oppositely movable, including through channels, outward surfaces with the bushings forming external spaces, and inward surfaces with the tube sidewalls forming an internal space communicating with the oil supply and withdraw means. Oil drain means communicate the external spaces with the oil supply means. The engine absorbs side and inertial forces, is more efficient and clean.

Abstract: A wave power installation is presented, comprising a flow chamber, an air-driven turbine disposed in the chamber and coupled with an electro-generator, a float having a cavity accumulating air, communicated with the chamber, a vacuum-creating ejector disposed in water mounted under the float, which ejector is performed as a confuser-diffuser conduit, wherein at least a portion thereof is vertically positioned. The conduit has a minimal through cross-section. At least one reverse valve is mounted in the vicinity of the minimal cross-section. The conduit is communicated with the cavity via the reverse valve. The chamber and turbine can be located on a coast. In embodiments, the conduit is furnished with a cylindrical nozzle, thereby making it stepwise widening downwardly. During both the upward and downward motions of the float, airflow is produced through the chamber, providing for practically continuous generation of electric energy by the installation, and improving its efficiency.

Abstract: The proposed water-wind combined energy conversion installation comprises a hydro-unit including two lower rotors below the water level furnished with blades providing their rotation in opposite directions around a vertical axe, lower inductors, a wind-unit including two upper rotors above the level furnished with blades providing their rotation in opposite directions around the axe, upper inductors, a base structure including a lower and upper polygon-shaped frames, each including outer rods joined in vertexes, inner rods linking the non-adjacent vertexes joined by internal junctions, a float unit disposed below the reservoir's freezing lever and the level of waves produced by winds, secured substantially to the reservoirs' bottom, a linear tubular tower supported by the float unit, wherein the frames are fixed to the tower through the internal junctions, the lower inductors are fixed to the vertexes of lower frame and the upper inductors are fixed to the vertexes of upper frame.

Abstract: An article is proposed for display of pictures, images, messages, illumination patterns, etc. placed on outer and inner surfaces of a cube-shaped structure comprising six sides, the adjacent sides are hingedly joined providing for conversion of the structure from a folded cubical state into an unfolded flat state, forming a flat cross-shaped figure, and vice-versa, first fasteners engaging the sides in the folded state and disengaging in the unfolded state, a brace providing a desirable position for the cross-shaped figure, second fasteners engaging and disengaging the cross-shaped figure with the brace, wherein only the outer surfaces are displayed in the folded state, and at least the inner surfaces are displayed in the unfolded state. Embodiments include different types of illumination, means for placement of the pictures on the surfaces, designs of the brace and fasteners. Some embodiments are usable as a Christmas tree cube and as a crucifixion after Christmas.

Abstract: A method for electrical survey of hydrocarbons deposits under seabed depths up to 1500 m and equipment therefor are provided. The equipment includes a vessel, a generator, an excitation field block, connected with a vertical dipole with coax electrodes, a data registration/processing block, bottom systems with. The lower dipole electrode is situated at maximally 100 m from the seabed, the upper electrode at maximally 200 m from the surface. The operation of the generator and bottom systems is synchronized the dipole is submersed into the sea, and fed with alternating-sign rectangular current pulses, whose on-off time ratio and duration are programmably determined. The bottom systems register reflected signals and electromagnetic field components, when the dipole's current is on and off.

Abstract: An apparatus, including an internal combustion engine, produces hydrogen fuel from water to power the engine, comprises water supply means, fuel storage means, controlling means, a collector receiving combustion products output from engine's operation, a transformer utilizing thermo-impact of the combustion products and decomposing supplied water into hydrogen and oxygen, an ion divider electrically separating hydrogen and oxygen ions into gaseous hydrogen, further directed into the fuel storage means and controllably fed substantially into engine's cylinders, and gaseous oxygen. It also includes exhaust means outputting exhaust products from the collector into the atmosphere, on their way out heating water in the water supply means. The fuel storage means contain initial hydrogen or another predetermined fuel. Electrolyzer means are provided to supplement hydrogen and oxygen ions production. Recommended temperature and parts size ranges for six-and eight-cylinder engines are disclosed.

Abstract: An embodiment of torpedo, providing increased explosive energy, comprises: a casing encapsulating a rubber container, having frontal cumulative cavities with peripheral magnetic rings, said container containing an elongated type explosive charge, an axle, a bushing slidely mounted on the axle, spokes associated with the bushing and container's front, cumulative cups with press-detonators; a formatter, joined with the container's rear portion, slidely disposed on the axle, capable to displace the charge from the rear to the middle of container thereby converting it into a cumulative type charge; a magnetic cup slidely disposed on the axle; an engine unit including a cylindrical shell, fixed to the casing, the shell containing aluminum thin double-wall pipes furnished with ignition detonators.

Abstract: A device embodiment comprises a fishing rod; a regular and additional reel rotatable by a handle; a mechanism including a ratchet wheel, a string-lever rotatable about a lever axis, a spring-lever rotatable about the lever axis connecting the levers, an orifice in the string-lever, a tongue fixed on the string-lever, a spring attached to the spring-lever remotely to the tongue, a regulative means to vary dispositions between the levers, spring, and string; wherein all the mechanism's elements are so configured that tend to disengage the tongue from the wheel's teeth; a string woundable on the additional reel by revolving the handle and tied to the rod's free end, which string is threaded through the orifice so that capable to engage the tongue with the wheel's teeth while said string being stretched between the additional reel and the rod's free end. Other embodiments may be modified for traps, anti-theft, alarm systems.

Abstract: A combination of pistol and flashlight is provided, comprising a frame including a front portion, a trigger guard, a root positioned adjacently to the front portion and to the trigger guard. The root is treated as follows: removing on both sides of the frame an approximately 2 mm layer of material, defining a number of outer surfaces, and forming two lateral fixation cavities. The combination includes a saddle defining a number of inner surfaces, configured to releasably snug-fit onto the outer surfaces, and two fixation tabs configured to releasably snug-fit into the cavities. The saddle secures the flashlight by suitable fixation means. In embodiments, the flashlight is divided into a lighting portion secured to the saddle and power source portion arranged on the bearer's body. Optionally, the saddle is also placeable on a bearer's finger. The combination has less weight and size, but greater support for the saddle than known constructions.

Abstract: A proposed refrigerator embodiment comprises a body enclosing a lower fresh-food compartment at above-freezing temperatures; a freezer disposed above the lower compartment, an intermediate-temperature compartment disposed above the freezer both operating at below-freezing temperatures. The freezer is separated from the intermediate-temperature compartment by its top wall, from the lower compartment by its bottom wall, and from the body's walls by its sidewalls and rear wall with a gap therebetween. The freezer's walls have predetermined thickness and heat conductivity, for passing certain cold flows through, thereby arranging predetermined temperatures in the compartments. The gap around the freezer's top wall is filled by sealing means, preventing warmer airflows from the lower container into the intermediate-temperature compartment. A rigid net, rested on supporting means fixed to the body, supports the freezer.

Abstract: An air-conditioning system embodiment for temperature control in a vehicle comprises heater cores, controllably connected to a coolant contour, outletting the conditioned air towards a person sitting in a chair, or into a food compartment. Some cores are mounted inside of chairs' backs situated in front of rear passengers, other cores are mounted in the chair back and inside the chair seat. A refrigerant-coolant heat exchanger provides heat exchange between a refrigerant contour and the coolant contour, cooling the coolant supplied to the cores. A refrigerant compressor is driven by a hydraulic motor, operated by pressurized oil delivered through a hydraulic contour from a first hydraulic pump driven by the vehicle's engine connected to the first pump through an electromagnetic clutch, or alternatively from a second hydraulic pump driven by a substitute engine, connected to the second pump through another electromagnetic clutch, both clutches are controlled by a thermostat.