US PATENT SUBCLASS 210 / 513
GRAVITATIONAL SEPARATOR

Current as of: June, 1999
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210 /   HD   LIQUID PURIFICATION OR SEPARATION

513GRAVITATIONAL SEPARATOR {6}
514  DF  .~> Portable invertible, e.g., milk and cream separator {3}
519  DF  .~> Material supply distributor {1}
521  DF  .~> Superposed compartments or baffles, e.g., parallel plate type {1}
523  DF  .~> Mechanical constituent mover {5}
532.1  DF  .~> Heavier constituent trap, chamber, or recess {2}
538  DF  .~> Lighter constituent trap {2}

DEFINITION

Classification: 210/513

(under the class definition) Apparatus comprising a container or tank in which a mixture of liquids or liquids and solids are separated from one another by forming constituent layers in accordance with their respective sepcific gravities.

SEE OR SEARCH THIS CLASS, SUBCLASS:

187+, for a heat exchanger within a gravitational separator.

207+, for a distinct reactor tank within a gravitational separator.

265, for a particulate material separator with a gravitational separator.

299+, for a filter and a constituent trap.

800+, for a process of gravitational separation. SEE OR SEARCH CLASS

55, Gas Separation,

434+, for gas separators in which the gas current is deflected to effect separation.

99, Foods and Beverages: Apparatus,

456, for separation of a dairy food one of which is a

liquid.

127, Sugar, Starch, and Carbohydrates,

13, and 27 for sugar or amylaceous material separating and purifying settling tanks.

137, Fluid Handling,

172, for fluid handling apparatus including means to separate two liquids from each other.

141, Fluent Material Handling, With Receiver or Receiver Coacting Means,

110, for ladles usable with gravitational separators. 166, Wells,

105.1+, for well pumps having sediment traps or deflectors and subclasses 105.5+ for liquid-gas separators; i.e., gas anchors.

209, Classifying, Separating, and Assorting Solids,

155+, for separating solids by suspending them in a liquid.