CLASS 196, MINERAL OILS: APPARATUS |
14.5 | DEWAXING: |
This subclass is indented under the class definition. Apparatus for separating wax from a petroleum oil to either
recover the wax or purify the oil.
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14.52 | SOLVENT EXTRACTION: |
This subclass is indented under the class definition. Apparatus especially adapted for the solvent extraction
of mineral oils.
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46 | REFINING: |
This subclass is indented under the class definition. Apparatus peculiarly adapted for the separation of impurities
or nonmineral oil components from mineral oils.
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46.1 | . With filtration: |
This subclass is indented under subclass 46. Apparatus which also includes filtering means.
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98 | COMBINED VAPORIZING AND CONDENSING: |
This subclass is indented under the class definition. Apparatus comprising the combination of a vaporizer and
a condenser where that apparatus is peculiar to the art of mineral-oil
distillation.
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99 | . Condensate returned to vaporizer: |
This subclass is indented under subclass 98. The combination of a vaporizer with a condenser, usually
a dephlegmator or fractionating column, provided with means for
returning part or all of the condensate from the condenser to the
vaporizer.
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100 | .. Columns: |
This subclass is indented under subclass 99. Fractionating columns provided with heating means for causing
vaporization of the liquid-mineral-oil- feeding stock.
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102 | . Condenser or collector in vaporizer: |
This subclass is indented under subclass 98. Vaporizing apparatus containing some means for causing condensation within the vaporizer or for collecting condensate formed within the condenser. | |
103 | . Heads: |
This subclass is indented under subclass 98. Vaporizing apparatus having heads or domes that are provided
with means for condensing, filtering, or otherwise treating vapors
from the vaporizer.
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104 | VAPORIZING: |
This subclass is indented under the class definition. Vaporizing apparatus peculiarly designed for use in the
distillation of mineral oils.
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105 | . Systems: |
This subclass is indented under subclass 104. A plurality of interconnected mineral-oil vaporizers.
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106 | .. Series stills: |
This subclass is indented under subclass 105. A plurality of mineral-oil vaporizers connected in series,
so that the oil being distilled passes from one vaporizer to the
next.
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107 | . Tube and drum: |
This subclass is indented under subclass 104. Vaporizing compressing heating tubes or coils for heating
the mineral-oil and a drum or expansion chamber connected to the
tube or drum. An expansion valve may or may not be placed between
the tube and drum, and the drum may or may not be heated.
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108 | .. Cyclic circulation: |
This subclass is indented under subclass 107. Vaporizers, having a means for returning the oil from the drum back to the tube for retreatment. | |
109 | ... Drum above tube: |
This subclass is indented under subclass 108. Vaporizers, wherein a part at least of the drum is placed vertically above a part of the tube. | |
110 | . Tubular: |
This subclass is indented under subclass 104. Vaporizers, for mineral-oil distillation that are tubular
and usually of comparatively small cross section.
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111 | . With partitions: |
This subclass is indented under subclass 104. Vaporizers having therein one or more partitions or baffles
either placed in the vapor space to separate it into a plurality
of chambers or placed in the liquid space to cause the liquid oil to
follow a tortuous path through the vaporizer.
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112 | . Rotary: |
This subclass is indented under subclass 104. Vaporizers mounted so as to permit their rotation.
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114 | . Vacuum: |
This subclass is indented under subclass 104. Vaporizers adapted for the distillation of mineral-oils
under reduced pressure.
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115 | . Special shapes: |
This subclass is indented under subclass 104. Vaporizers having peculiar or nonconventional shapes. | |
116 | . Furnaces and flues: |
This subclass is indented under subclass 104. The combination of a furnace with a mineral-oil vaporizer
where the combination is designed to solve a problem peculiar to
the art of mineral-oil distillation.
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117 | .. Internal flues: |
This subclass is indented under subclass 116. The combination of furnace with mineral-oil vaporizer having
flues for combustion gases passing through the vaporizer.
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118 | . Liquid baths: |
This subclass is indented under subclass 104. Mineral-oil vaporizers having therein baths that are liquid,
but substantially nonvolatile at the vaporizing temperature employed.
Such material may be metal, fusible salts, or heavy hydrocarbons.
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119 | . Jackets: |
This subclass is indented under subclass 104. Mineral-oil vaporizers that are provided with jackets around at least part of their periphery. These jackets may be for the purpose of heating, cooling, or heat insulating the vaporizer. | |
120 | . Special means for heating: |
This subclass is indented under subclass 104. Mineral-oil vaporizers provided with heating means other
than furnaces, liquid baths, jackets, or other conventional heating
means.
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121 | .. Electric: |
This subclass is indented under subclass 120. Mineral-oil vaporizers heated in part at least by electric
heaters.
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122 | . Carbon removers: |
This subclass is indented under subclass 104. Mineral-oil vaporizers provided with means for removing
carbon from the oil or from the vaporizer.
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123 | . Circulators or agitators: |
This subclass is indented under subclass 104. Mineral-oil vaporizers provided with means for causing or
directing the circulation or agitation of the oil.
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124 | .. Mechanical: |
This subclass is indented under subclass 123. Mineral-oil vaporizers provided with moving or rotating
mechanical means for causing or directing the circulation or agitation
of the oil.
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125 | .. Baffles: |
This subclass is indented under subclass 123. Mineral-oil vaporizer provided with baffles to cause the
oil to cyclically circulate in a definite path.
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126 | .. Fluid injectors: |
This subclass is indented under subclass 123. Mineral-oil vaporizers provided with means for injecting
a gas, vapor, or liquid to cause circulation or agitation of the
oil in a definite predetermined manner.
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127 | . Fluid injectors: |
This subclass is indented under subclass 104. Mineral-oil vaporizers provided with means for injecting
gas, vapor, or liquid into the oil being distilled.
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128 | . Films or sprays: |
This subclass is indented under subclass 104. Mineral-oil vaporizers having means for causing the oil
being distilled to assume the form of a film or spray.
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129 | . Depending legs or spur tubes: |
This subclass is indented under subclass 104. Mineral-oil vaporizers having tubes or legs projecting from
the main body of the vaporizer down into the furnace, the ends of
the tubes so projecting being closed.
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130 | .. Bottoms: |
This subclass is indented under subclass 129. Mineral-oil vaporizers that have bottoms of peculiar shape, construction, or position. | |
131 | .. Unheated: |
This subclass is indented under subclass 129. Mineral-oil vaporizers whose bottoms are not subjected to the direct heating action of the furnace or other heating means, usually for the purpose of avoiding the caking of precipitated carbon. | |
132 | . Automatic control: |
This subclass is indented under subclass 104. Mineral-oil vaporizers provided with means for automatically
maintaining desired conditions, usually the temperature, constant
within the vaporizer.
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133 | . Special features of construction: |
This subclass is indented under subclass 104. Mineral-oil vaporizers having some special feature of construction
not otherwise provided for.
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134 | . Heat recovery from vapor or residuum: |
This subclass is indented under subclass 104. Mineral-oil vaporizers having means for preheating the incoming
oil by the heat of the vapors or the unvaporized residue of distillation.
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135 | . Feeders: |
This subclass is indented under subclass 104. Special means for feeding the oil to the vaporizer.
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136 | . Vapor outlets: |
This subclass is indented under subclass 104. Special constructions for vapor outlets. | |
137 | . Attachments: |
This subclass is indented under subclass 104. Miscellaneous attachments for mineral-oil vaporizers. | |
138 | CONDENSING: |
This subclass is indented under the class definition. Apparatus for condensing mineral-oil vapors which by construction
and operation is peculiar to this art.
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139 | . Dephlegmators or fractionating columns: |
This subclass is indented under subclass 138. Condensing apparatus, peculiar to this art, generally known
in the art as dephlegmators or fractionating columns, where the
condensate formed in cooler zone is reheated and partially revaporized
by vapors in a hotter zone.
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140 | . Contact with cooling fluid: |
This subclass is indented under subclass 138. Condensing apparatus peculiar to this art where the vapors
are brought in direct contact with a cooling liquid, usually water.
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141 | . Automatically controlled temperature: |
This subclass is indented under subclass 138. Apparatus for condensing mineral-oil vapors provided with
means for automatically controlling the temperature of condensation.
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155 | MISCELLANEOUS: |
This subclass is indented under the class definition. Apparatus not provided for specifically above.
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FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
This subclass has no definition. | |