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An apparatus for magnetic pre-treating of a first or second flow of fluid (11, 12) in one supply pipe (1, 1″) to a combustion chamber (6), wherein at least one magnetic field (22) is extended through said flow of fluid (11, 12) passing through said supply pipe (1, 1″), wherein said magnetic field (2

An apparatus for magnetic pre-treating of a first or second flow of fluid (11, 12) in one supply pipe (1, 1″) to a combustion chamber (6), wherein at least one magnetic field (22) is extended through said flow of fluid (11, 12) passing through said supply pipe (1, 1″), wherein said magnetic field (22) is induced by at least one electromagnet (2) each said electro magnet comprising an electrical coil (21) provided with energy from a voltage source (3); with an electrical pulse generator (4) provided with voltage from said voltage source (3) and arranged to generate electrical pulses (p) with a desire frequency (f) to said electrical coil (21).

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1. An apparatus for magnetic pre-treating a first flow of fluid (11) or a second flow of fluid (12) in one or more supply pipes (1, 1′) for air or fuel (12, 11) to a combustion chamber (61), comprising: a voltage source (3);a supply pipe (1, 1′) through which a flow of fluid (11, 12) with a flow vel

1. An apparatus for magnetic pre-treating a first flow of fluid (11) or a second flow of fluid (12) in one or more supply pipes (1, 1′) for air or fuel (12, 11) to a combustion chamber (61), comprising: a voltage source (3);a supply pipe (1, 1′) through which a flow of fluid (11, 12) with a flow velocity flows in a first direction to the combustion chamber (61), the flow of fluid (11, 12) being one of the group consisting of the first flow of fluid (11) and the second flow of fluid (12);at least two electromagnets (2) located on the supply pipe (1, 1′) and arranged with mutual separations along the first direction,each said electromagnet (2) comprising an electrical coil (21) provided with energy from the voltage source (3), each said electromagnet (2) inducing a magnetic field (22) extending into the supply pipe (1, 1′) and transversally through said fluid (11, 12),each said magnetic field (22) having a magnetic field reach in a direction transverse through said fluid (11, 12) that is opposite a transverse direction of an immediately adjacent one of said magnetic fields (22) such that the direction of said magnetic fields (22) alternate through said fluid (11, 12) from one magnetic field (22) to the immediately adjacent magnetic field (22);an electrical pulse generator (4) provided with voltage from said voltage source (3), said electrical pulse generator (4) configured to generate electrical pulses (P) to said electrical coils (21), the generated electrical pulses (P) defining a pulse train of electrical pulses, each electrical pulse having a time duration;a sensor (62) that senses the flow velocity of the fluid (11, 12) and produce sensor signals (63) relating to the flow velocity of the fluid (11, 12);a control unit (41) operatively connected to said sensor (62) to receive the sensor signals (63) from said sensor (62), the control unit (41) utilizing the received sensor signals (63) to produce control signals (42) that control said pulse generator (4) and regulate the electrical pulses (P) to be generated in the pulse generator (4) to control and operate the electrical coil (21) of each said electromagnet (2) such that each electrical pulse of the pulse train causes the electrical coil (21) of a respective one of the electromagnets (2) to induce, during the time duration of each electrical pulse, a respective one of the magnetic fields (22) to encompass a first fluid volume (u) of the fluid, with the induced one magnetic field (22) collapsing at an end of the time duration of each electrical pulse, the produced control signals (42) being adjusted based on the flow velocity of the fluid (11, 12) as indicated by the produced sensor signals (63) of the sensor (62), andwherein the control unit (41) is programmed to provide the control signals (42) to the electrical pulse generator (4) to control the electrical pulse generator (4) to provide said electrical pulses (P) according to the flow velocity that the flow of fluid (11, 12) so that i) after a first electrical pulse of the pulse train causes the first fluid volume (u) to have been subjected to a first said magnetic field (22) from a first one of the electromagnets (2), the first said magnetic field (22) collapses and the first fluid volume then travels to the magnetic field reach of a subsequent adjacent, second one of the two or more electromagnets (2), and ii) a second electrical pulse of the pulse train is provided when the first fluid volume arrives at the magnetic field reach of the adjacent, second one of the electromagnets (2), the second electrical pulse causing the first fluid volume (u) to be subjected to a second said magnetic field (22) from the second one of the two or more electromagnets (2) during the time duration of the second electrical pulse. 2. The apparatus of claim 1, wherein a polarity control device (5) for said electrical pulses (P) is arranged between said pulse generator (4) and said electrical coils (21), said polarity control device (5) being operatively connected to the electrical pulse generator (4) and further operatively connected to and controlled by said control unit (41). 3. The apparatus according to claim 2, wherein said polarity control device (5) for said electrical pulses (P) is controlled by said control unit (41) to provide a time delay or phase change of said electrical pulses (P) in the pulse train based on the velocity of said flow of fluid (11, 12). 4. The apparatus according to claim 1, wherein a polarity control device (5′) for the electrical pulses (P) is arranged between said pulse generator (4) and said voltage source (3). 5. The apparatus according to claim 1, wherein said control signals (42) determine said electrical pulses' (P) shape, voltage, current, frequency, or pulse pattern. 6. The apparatus according to claim 5, wherein said control signals (42) determine the polarity of said electrical pulses (P) and thus the direction of said magnetic field induced. 7. The apparatus according to claim 1, further comprising a polarity control device (5) configured to provide a time delay or a phase change of said electrical pulses (P), and wherein further control signals (45) from said control unit (41) control said polarity control unit (5). 8. The apparatus according to claim 1, wherein said two or more electromagnet's coils (21) are arranged on an outside surface on said supply pipe (1, 1′). 9. The apparatus according to claim 1, wherein said electromagnets (2) are arranged downstream relative to eddies formed in said flow of fluid (11, 12) in said supply pipe (1, 1′). 10. The apparatus according to claim 1, wherein said combustion chamber (61) is in a combustion engine (6) which is a piston engine. 11. The apparatus according to claim 1, wherein the flow of fluid (11, 12) is the first flow of fluid (11), the first flow of fluid (11) is a fuel flow (11), and the sensor signals (63) relate to the flow velocity as an amount of the fuel running through the supply pipe per unit of time. 12. The apparatus according to claim 11, wherein said at least two electromagnets (2) located on the supply pipe (1, 1′) and arranged with mutual separations along the first direction, comprise three electromagnets (2). 13. The apparatus according to claim 1, wherein the flow of fluid (11, 12) is the second flow of fluid (12), the second flow of fluid (12) is an air flow (11), and the sensor signals (63) relate to the flow velocity as an amount of the air flow running through the supply pipe per unit of time. 14. The apparatus according to claim 13, wherein said at least two electromagnets (2) located on the supply pipe (1, 1′) and arranged with mutual separations along the first direction, comprise three electromagnets (2). 15. The apparatus according to claim 1, wherein said control signals (42) determine said electrical pulses' (P) pulse pattern. 16. The apparatus according to claim 1, wherein the sensor is located in a combustion engine (6).