US PATENT SUBCLASS 239 / 124
WITH SYSTEM FLUID RELIEF OR RETURN TO SUPPLY


Current as of: June, 1999
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239 /   HD   FLUID SPRINKLING, SPRAYING, AND DIFFUSING

124WITH SYSTEM FLUID RELIEF OR RETURN TO SUPPLY {3}
125  DF  .~> Recirculation within nozzle (e.g., burner nozzle cooling)
126  DF  .~> By pressure responsive means (e.g., to sump or atmosphere)
127  DF  .~> Return from liquid pump outlet to supply holder (e.g., tank filling, mixing or pump unloading)


DEFINITION

Classification: 239/124

(under the class definition) Apparatus having means (1) to discharge or permit escape of system fluid through other than the spray egress ports, including relief to atmosphere without provision for return to supply, (2) to by-pass or redirect system fluid away from the out flow direction, and (3) to direct system fluid flowing toward the outlet means back to the source.

(1) Note. Relief of system fluid particularly in the intermittent pump type by providing a deformable or expansible chamber or flow line to temporarily accept and store fluid without actual loss to atmosphere or return to supply is not included.

SEE OR SEARCH THIS CLASS, SUBCLASS:

88+, 99 and 331, for example and see (1) Note above.

SEE OR SEARCH CLASS

222, Dispensing,

318+, and 424 for by-pass or liquid return to supply in that class.