Patent ID: 7901191

Claim:
An enclosure comprising a wall structure defining a container space and including: an entrance for an operative fluid into the container space; a plurality of exits for the operative fluid from the container space; and circuit(s) and/or chamber(s) that cause a motive fluid to produce a differential pressure that induces the operative fluid in the container space to flow through the plurality of exits to an outlet; wherein the wall structure further includes a motive fluid inlet for the motive fluid; wherein the circuit(s) and/or chamber(s) comprise: at least one inducement chamber associated with each of the plurality of exits; an operative fluid circuit forming a flow path from the container space through each of the plurality of exits to the associated inducement chamber(s); and a motive fluid circuit forming a flow path from the motive fluid inlet to each of the inducement chambers; wherein the inducement chambers cause the operative fluid to be induced to flow through the operative fluid circuit to the inducement chambers, and causes the operative fluid and the motive fluid to be induced to flow from the inducement chambers to the outlet.