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Dirt filter for moveable parts
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Environmental friendly two stroke engine
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Flow controller, particularly blowout preventer (BOP) and smart pipe plug (SPP)
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Rotary lobe machines with a bearing-free piston engine
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Rotary piston machines with a wear-resistant driving mechanism
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Piston engine with positively interlocking power-transmitting parts
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DD249308A5
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displacement
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CA1278724C
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Displacement pump
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Displacement machine
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Fixed blade displacement machine
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TURNING PISTON
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DISPLACEMENT MACHINE, ESPECIALLY RING PISTON MACHINE
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CA1187333A
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Rotary unit
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DISPLACEMENT MACHINE
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Rotary compressor or pump - has vanes on one disc projecting through slots on second disc inclined to first
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Positive displacement rotary machine - has disc rotor with flaps cut in it whose leading edge follows sinusoidal profile of annular side chamber
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Rotary hydraulic positive displacement pump or motor - has rotating blade in axial slot in rotor with spherical face running on stator
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Annular wing aircraft capable of hovering - has gas turbines discharging over aerodynamically profiled lift surface with annular deflector around rim
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Two stroke swash plate rotating piston engine - has spherical rotor in hollow spherical external housing
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Linear generator with reciprocating pistons - converts piston energy directly into electrical energy and vice versa
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