F | SK | SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING |
F03 | KL | MACHINES OR ENGINES FOR LIQUIDS (for liquids and elastic fluids F01; positive-displacement machines for liquids F04); WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR |
F03G | UKL | SPRING, WEIGHT, INERTIA, OR LIKE MOTORS; MECHANICAL-POWER-PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR (arrangements in connection with power supply in vehicles from force of nature B60K 16/00; electric propulsion with power supply in vehicles from force of nature B60L 8/00) |
F03G 1/00 | HGR | Spring motors (spring-driven toys A63H; springs in general F16F; precision time mechanisms, e.g. for clocks or watches, G04B) |
F03G 1/02 | UGR1 | . | characterised by shape or material of spring, e.g. helical, spiral, coil |
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F03G 1/04 | UGR2 | |
F03G 1/06 | UGR1 | |
F03G 1/08 | UGR2 | |
F03G 1/10 | UGR2 | . . | for producing output movement other than rotary, e.g. vibratory |
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F03G 3/00 | HGR | Other motors, e.g. gravity or inertia motors |
F03G 3/02 | UGR1 | . | using wheels with circumferentially-arranged compartments co-operating with solid falling bodies (F03G 3/04 takes precedence) |
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F03G 3/04 | UGR1 | . | driven by sand or like fluent solid material |
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F03G 3/06 | UGR1 | |
F03G 3/08 | UGR1 | |
F03G 4/00 | HGR | Devices for producing mechanical power from geothermal energy [5] |
F03G 4/02 | UGR1 | . | with direct fluid contact [5] |
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F03G 4/04 | UGR1 | . | with deep-well turbo-pump [5] |
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F03G 4/06 | UGR1 | |
F03G 5/00 | HGR | Devices for producing mechanical power from muscle energy (driving cycles B62M) |
F03G 5/02 | UGR1 | . | of endless-walk type, e.g. treadmills |
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F03G 5/04 | UGR2 | . . | Horsemills or the like |
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F03G 5/06 | UGR1 | . | other than of endless-walk type |
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F03G 5/08 | UGR2 | . . | for combined actuation by different limbs, e.g. hand and leg |
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F03G 6/00 | HGR | Devices for producing mechanical power from solar energy (solar boilers F24) [5] |
F03G 6/02 | UGR1 | . | using a single state working fluid [5] |
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F03G 6/04 | UGR2 | |
F03G 6/06 | UGR1 | . | with solar energy concentrating means [5] |
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F03G 7/00 | HGR | Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for |
F03G 7/04 | UGR1 | . | using pressure differences or thermal differences occurring in nature (F03G 7/06 takes precedence) |
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F03G 7/05 | UGR2 | . . | Ocean thermal energy conversion, i.e. OTEC [5] |
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F03G 7/06 | UGR1 | . | using expansion or contraction of bodies due to heating, cooling, moistening, drying, or the like (using thermal expansion of non-vaporising liquids F01K) |
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F03G 7/08 | UGR1 | . | recovering energy derived from swinging, rolling, pitching, or like movements, e.g. from the vibrations of a machine |
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F03G 7/10 | UGR1 | . | Alleged perpetua mobilia (using hydrostatic thrust F03B 17/04) |
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