US PATENT SUBCLASS 141 / 41
.~.~.~ Air pump external to flow line

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


141 /   HD   FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS

37  DF  DIVERSE FLUID CONTAINING PRESSURE FILLING SYSTEMS INVOLVING RECEIVER GAS CONTENT MODIFICATION {11}
39  DF  .~ Filling means controlled by gas condition in receiver {1}
40  DF  .~.~ Control by level in filled receiver {1}
41.~.~.~ Air pump external to flow line {1}
42  DF  .~.~.~.~> Float controlled vacuum line cut-off {1}

DEFINITION

Classification: 141/41

(under subclass 40) Apparatus in which air is supplied to the receiver by an air pressure producing means external to the flow line which is supplying the other fluid material to the receiver.

(1) Note. The air pressure producing means need not be claimed if the device will not operate without it.