US PATENT SUBCLASS 137 / 111
.~.~ Plural inflows

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

87.01  DF  SELF-PROPORTIONING OR CORRELATING SYSTEMS {8}
109  DF  .~ Self-controlled branched flow systems {4}
111.~.~ Plural inflows {2}
112  DF  .~.~.~> Alternate or successive inflows {1}
114  DF  .~.~.~> One inflow supplements another

DEFINITION

Classification: 137/111

(under subclass 109) Systems in which a plurality of flows from separate sources are joined, or are provided with a common outflow, and in which at least one flow path is controlled in response to a sensed condition change.

SEE OR SEARCH THIS CLASS, SUBCLASS:

88+, for system in which a plurality of fluids are mixed and the flow of at least one of the fluids is controlled in response to a change in a sensed condition of the mixture.

98+, for self-proportioning systems involving mutual control features in plural lines.

480, for combustion engine induction type governor valves controlling one or more auxiliary inlets, the main flow also being controlled in some instances.

602+, for branched flow distribution systems with multiple inlets and a single outlet in which there is no control of a flow in response to a change in a sensed condition.

SEE OR SEARCH CLASS 222, Dispensing,

57, for control of a dispensed material by the weight, volume

or pressure of a second dispensed material.