Pressure responsive fluid collection system

Details Pressure responsive fluid collection system Pressure responsive fluid collection system

A - Human Necessities

61

M

128/106

A61M 1/00 (2006.01) A61M 39/22 (2006.01)

Patent

CA 1073303

ABSTRACT OF THE DISCLOSURE A collection system having a vacuum source in flow communication with a closed fluid collection vessel which is in flow communication with an inlet conduit disposed to apply the vacuum to non-gaseous fluids. The non-gaseous fluids to be collected are ingested through the inlet conduit through an inlet port to the closed collection vessel where they are retained. The collection vessel is kept at a negative/gauge pressure through an outlet port connecting-the collection vessel to the vacuum source. A variable restriction means is provided at one point between the outlet port and the vacuum source for reducing the cross-sectional area available for flow. The restriction means is responsive to the pressure differential across it and thus tends to reduce gas flow through the system in response to increasing differential pressure.

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