{
    "title": "Over-Unity Capacitance Motor",
    "inventor_name": "Osamu Ide",
    "publication_year": 1995,
    "device_name": "Capacitance Motor",
    "goal": "Generate mechanical and electrical output exceeding the input energy (over-unity operation).",
    "problem_addressed": "Low efficiency of conventional electric motors and the desire for a source of energy that appears to violate the conservation of energy.",
    "concept_summary": "A motor that uses the discharge of a charged capacitor in an LCR resonant circuit. A movable ferromagnetic core is attracted by the magnetic field of a coil during discharge, producing rotary motion. The core motion allegedly induces a positive electromotive force that raises the recharge voltage of the capacitor beyond the original charge, suggesting an over-unity effect.",
    "detailed_description": "The system consists of a capacitor, an inductive coil (stator), a movable ferromagnetic core (rotor), and a resistance element forming a closed LCR circuit. When the capacitor discharges, current flows through the coil, creating a magnetic field that pulls the core. The core's movement changes the circuit inductance, and according to the author, generates an additional EMF that adds to the discharge current, increasing the voltage observed when the capacitor is re-charged. Experiments reported higher recharge voltage when the two stator coils were driven with opposing magnetic fields. The author discusses possible mechanisms such as motional EMF distinct from Faraday-induced EMF but acknowledges the hypothesis is speculative.",
    "category": "Overunity & Free Energy Claims",
    "principles": [
        "Capacitive discharge",
        "Resonant LCR circuit",
        "Magnetic attraction between coil and ferromagnetic core",
        "Induced positive EMF from motional magnetic flux"
    ],
    "scientific_domains": [
        "Physics",
        "Electrical Engineering",
        "Electromagnetism"
    ],
    "mechanisms_of_action": [
        "Capacitor releases stored electrical energy as a pulse current",
        "Current creates magnetic field that pulls ferromagnetic core",
        "Core movement changes inductance and generates motional EMF",
        "Resulting EMF adds to the circuit, raising recharge voltage"
    ],
    "materials": [
        "Ferromagnetic core (iron/steel)",
        "Copper coil windings",
        "Electrostatic capacitor",
        "Superconducting coil (patented variant)",
        "Spark discharge electrodes"
    ],
    "energy_sources": [
        "Charged capacitor (stored electrical energy)"
    ],
    "inputs": [
        "Electrical energy stored in the capacitor",
        "Magnetic field generated by coil current"
    ],
    "outputs": [
        "Mechanical rotary motion of the core/rotor",
        "Electrical energy (recharge voltage) returned to the capacitor"
    ],
    "claimed_performance": "Observed increase in recharge voltage beyond the original charging voltage, implying a net energy gain (over-unity).",
    "experimental_evidence": "The author reports measured voltage increases when opposing magnetic fields are applied to the stator coils; the increase does not match theoretical simulations and is attributed to an induced positive EMF.",
    "replication_status": null,
    "keywords": [
        "capacitor discharge",
        "LCR resonance",
        "ferromagnetic core",
        "over-unity",
        "positive EMF",
        "magnetic attraction"
    ],
    "related_technologies": [
        "Edwin Gray pulsed capacitor discharge engine",
        "Ferroresonance devices",
        "Parametric resonance motors",
        "Tesla coil discharge structures"
    ],
    "controversy_level": "high",
    "confidence_score": 0.78,
    "practicability_score": 0.32,
    "fringe_score": 0.92,
    "evidence_strength": 0.41,
    "risk_score": 0.18,
    "trl_estimate": 3,
    "source_urls": [
        "http://www.infinite-energy.com/images/pdfs/thetipofaniceberg.pdf",
        "http://www.padrak.com/ine/DPHYSIK696.html",
        "http://twm.co.nz/newparsci.htm",
        "http://www.intalek.com/Index/Projects/Research/jap77.pdf",
        "http://www.intalek.com/Index/Projects/Research/jap77.pdf"
    ],
    "organizations": [
        "Japanese Green Cross Society's Clean Energy Laboratory",
        "Hashimoto Yukio",
        "Natural Group Honsya KK"
    ],
    "applications": [
        "Clean-energy generation",
        "Free-energy devices",
        "Electric motor propulsion"
    ],
    "limitations": [
        "No independent replication reported",
        "Mechanism of voltage increase remains speculative",
        "Potential measurement errors not ruled out",
        "Scale-up feasibility not demonstrated"
    ],
    "open_questions": [
        "Is the observed voltage increase a genuine energy gain or an artifact?",
        "What exact physical process creates the reported positive EMF?",
        "Can the effect be reliably reproduced and scaled?"
    ],
    "red_flags": [
        "Over-unity claim contradicts conservation of energy",
        "Evidence limited to author's own experiments",
        "Patents describe concepts but lack independent validation"
    ],
    "evidence_quotes": [
        "The motor utilizes the magnetic attraction between a pair of coils (the stator) and a ferromagnetic core (configured as a rotor) which moves between the coils.",
        "Ide says he observed an unusual increase of recharge voltage, which occurs only when the magnetic fields of opposing coils are opposing each other.",
        "When applying opposing magnetic fields to the facing coils, an increase in the recharge voltage can be observed in an electrically closed LCR circuit.",
        "The increase in the recharge voltage is due to an EMF in the same direction as the discharge current, different from the back EMF caused by Faraday's law.",
        "The apparent resistance of the coil decreased correspondingly when the recharge voltage increased."
    ]
}