A separation cartridge is disclosed which comprises a first separation medium, a second separation medium, and a frame. The second separation medium is positioned adjacent to the first separation medium. The frame is configured to hold the first and second separation mediums. The separation cartri
A separation cartridge is disclosed which comprises a first separation medium, a second separation medium, and a frame. The second separation medium is positioned adjacent to the first separation medium. The frame is configured to hold the first and second separation mediums. The separation cartridge is configured to separate one or more entrained substances from a gas stream in a hood system.
대표청구항▼
What is claimed is: 1. A separation cartridge comprising: a baffle filter; and a packed bed of porous inorganic particles positioned adjacent to the baffle filter, the particles including at least one of an oxide ceramic material or a metal; wherein the baffle filter and the packed bed are coupled
What is claimed is: 1. A separation cartridge comprising: a baffle filter; and a packed bed of porous inorganic particles positioned adjacent to the baffle filter, the particles including at least one of an oxide ceramic material or a metal; wherein the baffle filter and the packed bed are coupled together in the cartridge; and wherein the cartridge is used to separate one or more entrained oleo substances from a gas stream in a kitchen hood system. 2. The separation cartridge of claim 1 wherein the packed bed is pleated. 3. The separation cartridge of claim 1 wherein the particles include particles that are approximately 0.25 millimeters to approximately 4 millimeters in size. 4. The separation cartridge of claim 1 wherein the particles are a plurality of sizes. 5. The separation cartridge of claim 1 wherein the particles comprise an exterior surface and a plurality of channels that open onto the exterior surface and define internal surfaces. 6. The separation cartridge of claim 5 wherein the channels have a mean size of approximately 0.01 microns to approximately 100 microns. 7. The separation cartridge of claim 5 wherein the particles are approximately 15% porous to approximately 70% porous. 8. The separation cartridge of claim 1 wherein the baffle filter is in contact with the packed bed. 9. The separation cartridge of claim 1 wherein the cartridge is approximately 2.5 centimeters to approximately 6.4 centimeters wide. 10. The separation cartridge of claim 1 wherein the cartridge is approximately 3.8 centimeters to approximately 4.8 centimeters wide. 11. The separation cartridge of claim 1 wherein the kitchen hood system is used to vent the gas stream into the atmosphere. 12. The separation cartridge of claim 1 comprising a frame which is used to hold the baffle filter and the packed bed together. 13. The separation cartridge of claim 12 wherein one or both of the baffle filter or the packed bed is configured to be easily removed from the frame. 14. The separation cartridge of claim 12 wherein the baffle filter, the packed bed, and the frame are fixedly coupled together. 15. The separation cartridge of claim 12 wherein the frame encloses the baffle filter and the packed bed. 16. The separation cartridge of claim 1 wherein the baffle filter is configured to be received by upper and lower railings in the kitchen hood system and the packed bed is configured to protrude outward from a plane defined by the upper and lower railings. 17. The separation cartridge of claim 16 wherein the cartridge is approximately 6.35 centimeters to approximately 19 centimeters wide. 18. The separation cartridge of claim 1 wherein a height of a first portion of a side of the cartridge is greater than a height of a second portion of the side of the cartridge, the first portion of the side corresponds to a portion of the cartridge that comprises the baffle filter and the second portion of the side corresponds to a portion of the cartridge that comprises the packed bed, the first portion of the side being configured to be received by upper and lower railings of a hood. 19. The separation cartridge of claim 1 wherein the packed bed is at least substantially flat. 20. The separation cartridge of claim 1 wherein the particles in the packed bed of particles are maintained in a rigid enclosure which is independent of the baffle filter. 21. The separation cartridge of claim 1 wherein the baffle filter includes a first side having a plurality of openings and a second side which is spaced apart from and positioned opposite the first side, and wherein the baffle filter includes baffle members configured to deflect the gas stream, the baffle members being positioned to extend outward from at lean one of the first side or the second side. 22. The separation cartridge of claim 1 wherein the gas stream passes through the packed bed of particles and exits the separation cartridge without passing through any additional baffle filters. 23. The separation cartridge of claim 1 wherein the particles are not combustible at 1000째 C. 24. The separation cartridge of claim 1 wherein the particles comprise a transition metal oxide, zircon, silica, alumina, alumina-silica, or combinations thereof. 25. The separation cartridge of claim 24 wherein the particles comprise at least one of kaolin, bentonite, montmorillonite, or combinations thereof. 26. A separation cartridge comprising: a plurality of physically separate filters each of which includes a separation medium, wherein the plurality of filters are coupled together to form the separation cartridge, wherein at least one of the filters includes a packed bed of particles, the particles including at least one of an oxide ceramic material or a metal, and wherein the separation cartridge is used to separate an entrained oleo substance from a gas stream in a kitchen hood system. 27. The separation cartridge of claim 26 wherein the cartridge includes only two filters. 28. The separation cartridge of claim 26 wherein at least one of the plurality of filters includes a baffle filter. 29. The separation cartridge of claim 26 wherein the kitchen hood system is used to vent the gas stream into the atmosphere. 30. The separation cartridge of claim 26 wherein the plurality of filters includes a mesh filter. 31. The separation cartridge of claim 28 wherein the baffle filter is in contact with the packed bed. 32. The separation cartridge of claim 26 wherein the packed bed is at least substantially flat. 33. The separation cartridge of claim 26 wherein the packed bed is pleated. 34. The separation cartridge of claim 26 wherein the particles are maintained in a rigid enclosure which is separate from at least one of the remainder of the plurality of filters in the separation cartridge. 35. The separation cartridge of claim 26 wherein the particles absorb the oleo substance. 36. The separation cartridge of claim 26 wherein the cartridge is configured to be mounted between opposing, U-shaped railings in the kitchen hood which are each approximately 1.3 centimeters to approximately 7.6 centimeters wide. 37. The separation cartridge of claim 26 wherein at least one of the plurality of filters is configured to be easily removed from the cartridge. 38. The separation cartridge of claim 26 wherein the plurality of filters includes a plurality of perforated plates which are spaced apart from each other. 39. The separation cartridge of claim 26 wherein the particles include porous inorganic particles. 40. The separation cartridge of claim 26 wherein the particles include particles tat are approximately 0.25 millimeters to approximately 4 millimeters in size. 41. The separation cartridge of claim 26 wherein the gas stream passes through the packed bed of particles and exits the separation cartridge without passing through any additional filters. 42. A separation system comprising: a kitchen hood including a first railing and a second railing, the first railing being positioned opposite the second railing; and a cartridge comprising a plurality of separation mediums including a bed of particles, the particles being held by a rigid enclosure which is independent of at least one of the remainder of the plurality of separation mediums, the plurality of separation mediums being used to separate one or more entrained oleo substances from the air; wherein the first railing and the second railing are used to hold the plurality of separation mediums. 43. The separation system of claim 42 wherein the plurality of separation mediums include a baffle filter. 44. The separation system of claim 42 comprising ductwork coupled to the kitchen hood, wherein a catalytic converter is positioned in the ductwork. 45. The separation system of claim 43 wherein the baffle filter is in contact with the bed of particles. 46. The separation system of claim 42 wherein the first railing and the second railing are each substantially U-shaped and approximately 1.3 centimeters to approximately 7.6 centimeters wide. 47. The separation system of claim 42 wherein the first railing and the second railing are each substantially U-shaped and approximately 3.5 centimeters to approximately 5.1 centimeters wide. 48. The separation system of claim 42 wherein the first railing and the second railing have a substantially U-shaped cross section. 49. The separation system of claim 42 wherein the bed of particles is at least substantially flat. 50. The separation system of claim 42 wherein the bed of particles is pleated. 51. The separation system of claim 42 wherein the particles comprise at least one of a ceramic material or a metal. 52. The separation system of claim 42 wherein the particles absorb the oleo substance. 53. The separation system of claim 42 wherein the cartridge includes a frame that is used to hold the plurality of separation mediums. 54. The separation system of claim 42 wherein the plurality of separation mediums includes a plurality of perforated plates which are spaced apart from each other. 55. The separation system of claim 42 wherein the particles include porous inorganic particles. 56. The separation system of claim 42 wherein the particles include particles that are approximately 0.25 millimeters to approximately 4 millimeters in size. 57. The separation cartridge of claim 42 wherein the air passes through the bed of particles and exits the cartridge without passing through any additional separation mediums. 58. A separation cartridge comprising: a first means for separating an entrained oleo substance from a gas stream in a kitchen hood using a baffle filter; a second means for separating an entrained oleo substance from a gas stream in a kitchen hood using a packed bed of particles, the particles being enclosed in a rigid enclosure which is separate from the baffle filter of the first means; and a frame used to hold the first and second means together to form the cartridge; wherein the cartridge is removable from the kitchen hood. 59. A separation cartridge comprising: a baffle filter; and a second filter having a rigid enclosure that encloses a plurality of particles to form a bed of particles, the second filter being independent of the baffle filter end coupled together with the baffle filter to form the separation cartridge; wherein the cartridge is used to separate one or more entrained oleo substances from a gas stream in a kitchen hood system. 60. The separation cartridge of claim 59 wherein the particles comprise at least one of a ceramic material or a metal. 61. The separation cartridge of claim 59 wherein the bed of particles is pleated. 62. The separation cartridge of claim 59 wherein the particles include porous inorganic particles. 63. The separation cartridge of claim 59 wherein the particles are solid. 64. The separation cartridge of claim 59 wherein the baffle filter is in contact with the bed of particles. 65. The separation cartridge of claim 59 wherein the cartridge is approximately 2.5 centimeters to approximately 6.4 centimeters wide. 66. The separation cartridge of claim 59 wherein the kitchen hood system is used to vent the gas stream into the atmosphere. 67. The separation cartridge of claim 59 wherein the bed of particles is at least substantially flat. 68. The separation cartridge of claim 59 wherein the particles absorb the oleo substance. 69. The separation cartridge of claim 59 wherein the cartridge is configured to be mounted between opposing U-shaped railings in the kitchen hood which are approximately 1.3 centimeters to approximately 7.6 centimeters wide. 70. The separation cartridge of claim 59 wherein the particles include particles that are approximately 0.25 millimeters to approximately 4 millimeters in size. 71. The separation cartridge of claim 59 wherein the baffle filter includes a first side having a plurality of openings and a second side which is spaced apart from and positioned opposite the first side, and wherein the baffle filter includes baffle members configured to deflect the gas stream, the batik members being positioned to extend outward from at least one of the first side or the second side. 72. The separation cartridge of claim 59 wherein the gas stream passes through the bed of particles and exits the separation cartridge without passing through any additional baffle filters. 73. A system comprising: a kitchen hood; and a cartridge that includes at least two filters, the filters comprising first filter including a bed of particles and at least one additional filter, the first filter including a rigid enclosure that holds the particles in the bed of particles and is independent of the at least one additional filter; wherein the cartridge is positioned in the kitchen hood to separate an oleo substance from a gas stream which passes through the kitchen hood. 74. The system of claim 73 wherein the bed of particles is removable from the cartridge. 75. The system of claim 73 wherein the additional filter is a baffle filter. 76. The system of claim 73 wherein the bed of particles is at least substantially flat. 77. The system of claim 73 wherein the bed of particles is pleated. 78. The system of claim 73 wherein the particles comprise at least one of a ceramic material or a metal. 79. The system of claim 73 wherein the kitchen hood includes a first railing and a second railing positioned opposite the first railing, wherein the first railing and the second railing are substantially U-shaped, and wherein the first railing and the second railing are used to support the cartridge. 80. The system of claim 79 wherein the first and second railings are each approximately 3.5 centimeters to approximately 5.1 centimeters wide. 81. The system of claim 73 wherein the additional filter and the bed of particles are in contact wit each other in the cartridge. 82. The system of claim 73 wherein the particles include porous inorganic particles. 83. The system of claim 73 wherein the particles include particles that are approximately 0.25 millimeters to approximately 4 millimeters in size. 84. The separation cartridge of claim 73 wherein the gas stream passes trough the bed of particles and exits the separation cartridge without passing through any additional filters. 85. A system comprising: a kitchen hood including a railing having a substantially U-shaped cross section; a baffle filter; and a bed of particles which is used to separate one or more entrained oleo substances from a gas stream which passes through the kitchen hood, the particles being held in a rigid enclosure which is independent of the baffle filter; wherein the railing is used to support the baffle filter and the bed of particles in the kitchen hood. 86. The system of claim 85 wherein the bed of particles is at least substantially flat. 87. The system of claim 85 wherein the particles comprise at least one of a ceramic material or a metal. 88. The system of claim 85 wherein the particles absorb the oleo substance. 89. The system of claim 85 wherein the baffle filter is in contact with the bed of particles. 90. The system of claim 85 wherein the kitchen hood is used to vent the gas stream into the atmosphere. 91. The system of claim 85 wherein the particles include porous inorganic particles. 92. The system of claim 85 wherein the baffle filter and the bed of particles are included in a cartridge that is supported by the railing. 93. The system of claim 92 wherein one or both of the baffle filter and the bed of particles is configured to be easily removed from the cartridge. 94. The system of claim 85 wherein the particles include particles that are approximately 0.25 millimeters to approximately 4 millimeters in size. 95. The system of claim 85 wherein the railing is a first railing and the kitchen hood includes a second railing positioned opposite the first railing, and wherein the first railing and the second railing are used to hold the baffle filter and the bed of particles in the kitchen hood. 96. The separation cartridge of claim 85 wherein the baffle filter includes a first side having a plurality of openings and a second side which is spaced apart from and positioned opposite the first side, and wherein the baffle filter includes baffle members configured to deflect the gas stream, the baffle members being positioned to extend outward from at least one of the first side or the second side. 97. A separation cartridge comprising: a baffle filter; and a bed of particles, the particles being enclosed in a rigid enclosure which is independent of the baffle filter; wherein the baffle filter and the bed of particles are coupled together to form the separation cartridge that is used to separate one or more entrained oleo substances from a gas stream in a kitchen hood; and wherein no additional filters are positioned between the baffle filter and the bed of particles in the separation cartridge. 98. The separation cartridge of claim 97 wherein the particles comprise at least one of a ceramic material or a metal. 99. The separation cartridge of claim 97 wherein the bed of particles is pleated. 100. The separation cartridge of claim 97 wherein the particles include porous inorganic particles. 101. The separation cartridge of claim 97 wherein the particles are solid. 102. The separation cartridge of claim 97 wherein the baffle filter is in contact with the bed of particles. 103. The separation cartridge of claim 97 wherein the cartridge is approximately 2.5 centimeters to approximately 6.4 centimeters wide. 104. The separation cartridge of claim 97 wherein the kitchen hood is used to vent the gas stream into the atmosphere. 105. The separation cartridge of claim 97 wherein the bed of particles is at least substantially flat. 106. The separation cartridge of claim 97 wherein the particles absorb the oleo substance. 107. The separation cartridge of claim 97 wherein the cartridge is configured to be mounted between opposing U-shaped railings in the kitchen hood which are approximately 1.3 centimeters to approximately 7.6 centimeters wide. 108. The separation cartridge of claim 97 wherein the particles include particles that are approximately 0.25 millimeters to approximately 4 millimeters in size. 109. The separation cartridge of claim 97 wherein the baffle filter includes a first side having a plurality of openings and a second side which is spaced apart from and positioned apposite the first side, and wherein the baffle filter includes baffle members configured to deflect the gas stream, the baffle members being positioned to extend outward from at least one of the first side or the second side. 110. The separation cartridge of claim 97 wherein the gas stream passes through the bed of particles and exits the separation cartridge without passing through any additional baffle filters.
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