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1. (WO2015171936) SYSTÈMES D'INJECTION DE CARBURANT À SALVE DE CORONA AMÉLIORÉE
Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

CLAIMS

What is claimed is:

1 . A method to accelerate particles into a chamber, comprises:

distributing a fluidic substance between electrodes configured at a location proximate a chamber, the electrodes comprising a low work function material; generating a current of ionized particles by applying an electric field between the electrodes to ionize at least some of the fluidic substance; and

producing a Lorentz force to accelerate the ionized particles into the chamber.

2. The method of claim 1 , wherein the electrode includes a coating formed of the low work function material coated over an underlying electrically conductive material.

3. The method of claim 2, wherein the underlying electrically conducive material includes at least one of tungsten (W), gold (Au), platinum (Pt), tantalum (Ta), or a heat and oxidation resistant alloy.

4. The method of claim 2, wherein the low work function material coating includes at least one of an intermetallic, solid solution, or compound including calcium (Ca), aluminum (Al), barium (Ba), thorium (Th), zirconium (Zr), or titanium (Ti).

5. The method of claim 4, wherein the low work function material coating includes at least one of titanium carbide (TiC), zirconium carbide (ZrC), LaB6, BaW, or

6. The method of claim 1 or 2, wherein at least one of the electrodes or electrode subsystems comprise a permanent magnetic material.

7. The method of claim 6, wherein the underlying electrically conductive material includes the permanent magnetic material.

8. The method of claim 6 or 7, wherein the permanent magnetic material includes at least one rare earth material.

9. The method of claim 8, wherein the rare earth magnet includes at least one of Nd2Fei4B, GdCo, SmGdCo, or Sm2Coi7.

10. The method of claim 6, wherein the Lorentz force is produced at least in part as a force based on a magnetic field supplemented by the magnetic material that interacts with the generated current of the ionized particles.

1 1 . The method of claim 1 or 2, wherein the producing the Lorentz force includes applying a magnetic field to interact with the generated current of the ionized particles.

12. The method of claim 1 1 , wherein the magnetic field is applied by an

electromagnet located at a second position proximate the chamber.

13. The method of claim 1 1 , wherein the magnetic field is applied by a permanent magnet located at a second position proximate the chamber.

14. The method of claim 1 , wherein the generating the current of the ionized particles includes applying an adaptively adjusted voltage in a range of 5,000 to 60,000 volts, wherein the adaptively adjusted voltage is applied as a first voltage and as a second voltage lower than the first voltage.

15. The method of claim 1 , wherein the electrodes include a first electrode and a second electrode configured in a coaxial configuration at a terminal end of a device interfaced with the chamber at the port, in which the first electrode is configured along the interior of an annular space between the second electrode and the first electrode includes one or more points protruding into the annular space.

16. The method of claim 1 , wherein the fluidic substance includes a fuel and the

ionized particles include ionized fuel particles, and wherein the accelerated ionized particles initiate a combustion process with oxidant present in the chamber.

17. The method of claim 16, wherein the combustion process of the ionized fuel particles is completed at an accelerated rate as compared to a combustion process using at least one ignition by a spark plug and direct injection of the fuel.

18. The method of claim 16, wherein the chamber includes a combustion chamber of an engine.

19. The method of claim 16, wherein the fuel includes at least one of methane,

natural gas, an alcohol fuel including at least one of methanol, ethanol, propanol, butanol, ethane, butane, propane, gasoline, diesel fuel, ammonia, urea, nitrogen, or hydrogen.

20. The method of claim 1 , wherein the Lorentz force accelerates the ionized

particles into the chamber in a predetermined pattern.

21 . The method of claim 20, wherein the predetermined pattern includes a striated pattern.

22. The method of claim 1 or 21 , further comprising:

applying an electric potential at an antenna electrode interfaced at the port to induce a corona discharge into the chamber,

wherein the antenna electrode comprises a high work function material.

23. The method of claim 22, wherein the induced corona discharge is produced away from the surface of the antenna electrode.

24. The method of claim 22, wherein the fluidic substance includes a fuel and the ionized particles include ionized fuel particles.

25. The method of claim 24, wherein the corona discharge ignites the ionized fuel particles within the chamber.

26. The method of claim 24, wherein the corona discharge is initiated to take a form of a predetermined pattern.

27. The method of claim 26, wherein the predetermined pattern includes a stratified pattern.

28. The method of claim 22, wherein the antenna electrode includes a coating

formed of the high work function material coated over an underlying electrically conductive material.

29. The method of claim 28, wherein the underlying electrically conducive material includes at least one of carbon (C), tungsten (W), gold (Au), platinum (Pt), tantalum (Ta), or an alloy including at least one of nickel, iron, cobalt,

molybdenum, manganese and chromium.

30. The method of claim 28, wherein the high work function material coating includes at least one of platinum (Pt), gold (Au), tungsten (W), rhodium (Rh), iridium (Ir), beryllium (Be), osmium (Os), tellurium (Te), or selenium (Se).

31 . The method of claim 22 or 28, wherein the antenna electrode includes a terminal end projected toward the port and structured to include at least one of a circular ring, loop, threaded section, splined region or pointed end.

32. The method of claim 31 , wherein the corona discharge is a negative corona.

33. The method of claim 22 or 28, wherein the antenna electrode are structured to include a substantially blunt end that is projected toward the port.

34. The method of claim 33, wherein the corona discharge is a positive corona.

35. The method of claim 1 , wherein the fluidic substance includes an oxidant and the ionized particles include ionized oxidant particles.

36. The method of claim 35, wherein the accelerated ionized oxidant particles initiate a combustion process with a fuel present in the chamber.

37. The method of claim 35, wherein the accelerated ionized oxidant particles initiate a combustion process with ionized fuel particles accelerated into the chamber prior to or subsequent to the ionized oxidant particles accelerated in the chamber.

38. The method of claim 1 , wherein the fluidic substance includes a fuel and the ionized particles include ionized fuel particles, and further comprising:

providing an oxidant between the electrodes;

ionizing the oxidant by generating a different electric field between the electrodes to produce an ion current of ionized oxidant particles; and

producing a different Lorentz force to accelerate the ionized oxidant particles into the chamber.

39. The method of claim 38, wherein the process providing the oxidant includes delivering air from the chamber into a space between the electrodes.

40. The method of claim 38, wherein the oxidant include at least one of oxygen gas (O2), ozone (O3), oxygen atoms (O), hydroxide (OH"), carbon monoxide (CO), or an oxide of nitrogen (NOx).

41 . The method of claim 1 , wherein the ion current reduces the resistance to establishment of a larger ion current.

42. The method of claim 1 , further comprising:

controlling the Lorentz force by modifying a parameter of the applied electric field, the parameter including at least one of a duration or frequency of the applied electric field, a magnitude of the applied electric field, or a sequence multiple electric fields applied.

43. A system for accelerating particles into a chamber, comprising:

a container to contain a fluidic substance;

a chamber including a port; and

an injection and ignition device fluidically coupled to the container and interfaced to the port of the chamber, the fuel injection and ignition device structured to include:

a flow channel to provide a fluid path for the fluidic substance to enter the chamber via the port,

electrodes configured at one end of the injection and ignition device proximate the chamber, the electrodes comprising a low work function material, and

a control unit to monitor at least one of flow of the fluidic substance in the device, electrode conditions, or chamber conditions, and to control the application of an electrical signal to the electrodes,

wherein the injector and ignition device is operable to provide the fluidic substance between the electrodes, and generate a current of ionized particles by applying an electric field between the electrodes to ionize at least some of the fluidic substance based on a control signal from the control unit, and

wherein the injector and ignition device produces a Lorentz force to accelerate the ionized particles into the chamber.

44. The system of claim 43, wherein the electrodes include a first electrode and a second electrode configured in a coaxial configuration at a terminal end of a

device interfaced with the chamber at the port, in which the first electrode is configured along the interior of an annular space between the second electrode and the first electrode includes one or more points protruding into the annular space.

45. The system of claim 43, wherein the electrode includes a coating formed of the low work function material coated over an underlying electrically conductive material.

46. The system of claim 45, wherein the underlying electrically conducive material includes at least one of tungsten (W), gold (Au), platinum (Pt), or tantalum (Ta).

47. The system of claim 45, wherein the low work function material coating includes at least one of an intermetallic or compound including calcium (Ca), aluminum (Al), barium (Ba), thorium (Th), titanium (Ti) or zirconium (Zr).

48. The system of claim 47, wherein the low work function material includes at least one of titanium carbide (TiC), zirconium carbide (ZrC), LaB6, BaW, or Ca^AI/On.

49. The system of claim 43 or 45, wherein at least one of the electrodes comprise a permanent magnetic material.

50. The system of claim 49, wherein the underlying electrically conductive material includes the permanent magnetic material.

51 . The system of claim 49 or 50, wherein the permanent magnetic material includes at least one rare earth element.

52. The system of claim 51 , wherein the rare earth magnet includes at least one of Nd2Fei4B, GdCo, SmGdCo, or Sm2Coi7.

53. The system of claim 49, wherein the Lorentz force is produced at least in part as a result of at least one of a self-induced Lorentz force based on the ion current, a magnetic field generated from a magnetic material that interacts with the current of ionized particles.

54. The system of claim 43, wherein the injector and ignition device further includes a fuel control valve to regulate the flow of the fluidic substance through the fluid path.

55. The system of claim 43, wherein the injector and ignition device further includes one or more antenna electrodes interfaced proximate the port to generate a corona discharge in the chamber.

56. The system of claim 55, wherein the generated corona discharge is produced away from the surface of the antenna electrode.

57. The system of claim 55, wherein the one or more antenna electrodes comprise a high work function material.

58. The system of claim 57, wherein the one or more antenna electrodes include a coating formed of the high work function material coated over an underlying electrically conductive material.

59. The system of claim 58, wherein the underlying electrically conducive material includes at least one of tungsten (W), gold (Au), platinum (Pt), or tantalum (Ta).

60. The system of claim 58, wherein the high work function material coating includes at least one of platinum (Pt), gold (Au), tungsten (W), rhodium (Rh), iridium (Ir), beryllium (Be), osmium (Os), tellurium (Te), or selenium (Se).

61 . The system of claim 55 or 57, wherein the antenna electrode includes a terminal end projected toward the port and structured to include a circular or pointed end.

62. The system of claim 61 , wherein the corona discharge is a negative corona.

63. The system of claim 55 or 57, wherein the antenna electrode are structured to include a substantially blunt end that is projected toward the port.

64. The system of claim 63, wherein the corona discharge is a positive corona.

65. The system of claim 43, wherein the injector and ignition device further includes one or more annular ring electrodes interfaced proximate the port to generate a positive corona discharge in the chamber.

66. The system of claim 65, wherein the generated corona discharge is produced away from the surface of the antenna electrode.

67. The system of claim 65, wherein the one or more antenna electrodes comprise a high work function material.

68. A method to produce an ignition in a chamber, comprises:

generating a positive corona discharge at a predetermined location in a chamber;

producing a Lorentz force to thrust ions into the chamber; and generating a negative corona discharge at the or another predetermined location proximate the port toward the chamber at a faster rate than that of the positive corona discharge,

wherein the negative corona discharge combines with the positive corona discharge to ignite of an ignitable substance in the chamber.

69. The method of claim 68, wherein the chamber contains a fluidic substance

present in the chamber, the fluidic substance including at least one of a fuel or an oxidant.

70. The method of claim 68, wherein the generating the positive corona discharge at the predetermined location includes applying an electric field at a corona- generating electrode positioned proximate to the port of the chamber.

71 . The method of claim 70, wherein the corona-generating electrode comprises a high work function material.

72. The method of claim 70, wherein the corona-generating electrode is structured to include a plurality of electrodes having at least two different structural

configurations, wherein one structural configuration includes a substantially blunt end that is projected toward the port, and another structural configuration includes a includes a circular, curvilinear, or pointed end that is projected toward the port.

73. The method of claim 68, wherein the generated positive corona discharge is characterized by at least one of a smaller and slower-emanating field.

74. The method of claim 68, wherein the producing the Lorentz force includes:

generating a current of ionized particles of a fluidic substance in a region between two electrodes proximate the port by applying an electric field between the electrodes to ionize at least some of the fluidic substance, and

applying a magnetic field to interact with the generated current of the ionized particles.

75. The method of claim 74, wherein the applied magnetic field is applied by an

electromagnet and/or a permanent located at a position proximate the chamber.

76. The method of claim 74, wherein the applied magnetic field is applied by a

permanent magnet material included as part of at least one of the electrodes that generates the current of the ionized particles.

77. The method of claim 68, wherein the generating the negative corona discharge includes applying another electric field at the corona-generating electrode subsequent to the applied electric field at the corona-generating electrode to generate the positive corona.

78. The method of claim 68, wherein the generating the negative corona discharge includes applying an electric field at a second corona-generating electrode positioned proximate to the port of the chamber.

79. The method of claim 78, wherein the second corona-generating electrode

comprises a high work function material.

80. The method of claim 78, wherein the second corona-generating electrode is structured to include a circular, curvilinear, or pointed end.

81 . The method of claim 80, wherein the generated negative corona discharge is characterized by at least one of a larger and faster-emanating field.

82. A method to ignite particles in a chamber, comprising:

injecting a fluidic substance into a chamber; and

generating one or more corona discharges at a predetermined location within the chamber to ignite the injected fluidic substance, the generating including applying an electric field at an electrode comprising a high work function material configured at a location proximate to the chamber,

wherein the electric field is applied at a frequency that does not produce an ion current or spark on the electrode.

83. The method of claim 82, wherein the electrode includes a coating formed of the high work function material coated over an underlying electrically conductive material.

84. The method of claim 83, wherein the underlying electrically conducive material includes at least one of tungsten (W), gold (Au), platinum (Pt), tantalum (Ta), and a semiconductor.

85. The method of claim 82, wherein the injecting includes:

distributing the fluidic substance between the electrodes,

ionizing at least some of the fluidic substance by generating an electric field between electrodes to produce ionized fuel particles, and

producing a Lorentz force to accelerate the ionized particles into the chamber.

86. The method of claim 85, wherein the Lorentz force accelerates the ionized

particles into the chamber in a predetermined pattern.

87. The method of claim 86, wherein the predetermined pattern includes a striated pattern.

88. The method of claim 86, wherein the predetermined location of the generated one or more corona discharges includes a distance from the electrode based on the predetermined pattern of the accelerated ionized particles.

89. The method of claim 86, wherein the fluidic substance includes a fuel, and

wherein the corona discharge initiates a combustion process of the fuel with oxidant compounds present in the chamber.

90. The method of claim 89, wherein the fuel includes at least one of methane,

natural gas, an alcohol fuel including at least one of methanol or ethanol, butane, propane, gasoline, diesel fuel, ammonia, urea, nitrogen, or hydrogen.

91 The method of claim 82, wherein the corona discharge is initiated to take a form of a predetermined pattern.

92. The method of claim 91 , wherein the predetermined pattern includes a stratified pattern.

93. The method of claim 82, wherein the electrode is configured as an antenna

electrode.

94. The method of claim 93, wherein the induced corona discharge is produced away from the surface of the antenna electrode.

95. The method of claim 93, wherein the antenna electrode includes a coating

formed of the high work function material coated over an underlying electrically conductive material.

96. The method of claim 95, wherein the underlying electrically conducive material includes at least one of tungsten (W), gold (Au), platinum (Pt), or tantalum (Ta).

97. The method of claim 95, wherein the high work function material coating includes at least one of platinum (Pt), gold (Au), tungsten (W), rhodium (Rh), iridium (Ir), beryllium (Be), osmium (Os), tellurium (Te), or selenium (Se).

98. The method of claim 93 or 95, wherein the antenna electrode includes a terminal end projected toward the port and structured to include a circular or pointed end.

99. The method of claim 98, wherein the corona discharge is a negative corona.

100. The method of claim 93 or 95, wherein the antenna electrode are structured to include a substantially blunt end that is projected toward the port.

101 . The method of claim 100, wherein the corona discharge is a positive corona.