US PATENT SUBCLASS 239 / 127
.~ Return from liquid pump outlet to supply holder (e.g., tank filling, mixing or pump unloading)

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

124  DF  WITH SYSTEM FLUID RELIEF OR RETURN TO SUPPLY {3}
127.~ Return from liquid pump outlet to supply holder (e.g., tank filling, mixing or pump unloading)

DEFINITION

Classification: 239/127

(under subclass 124) Apparatus in which return of spray fluid to the supply means is made from the outlet side of the pump to relieve the discharge pressure, to act as a pumping means either for the addition of other fluids for mixing purposes or for tank filling (e.g., venturi arrangements) for pump unloading or the like purposes.