Gas separation – With separating media bypass or system gas pressure relief – With heating or cooling means
Patent
1991-10-22
1993-07-13
Nozick, Bernard
Gas separation
With separating media bypass or system gas pressure relief
With heating or cooling means
55467, 55276, B01D 4642
Patent
active
052269396
ABSTRACT:
A surgical air vacuum apparatus includes an air pump disposed in a primary air channel for moving air between an inlet port and an outlet port of the vacuum. The air pump has properties for generating heat while moving the air, and the moving air has characteristics for cooling the pump. An air filter disposed in the primary channel has a tendency to block the air that would otherwise cool the air pump. Means is provided for combining a secondary air channel and the primary air channel along at least one passage to introduce bleed air to the pump when the filter blocks the primary channel.
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Nicolas Ed F.
Williamson Ian M.
Myers Richard L.
Nozick Bernard
Stackhouse, Inc.
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