Fluid handling – Processes – Involving pressure control
Patent
1993-01-13
1993-11-30
Chambers, A. Michael
Fluid handling
Processes
Involving pressure control
137814, 137826, 137833, F17D 100, F15C 112
Patent
active
052656365
ABSTRACT:
A single-stage and multiple-stage fluidic rectifier wherein each stage has a trunk channel and a reversing channel that joins the trunk channel at a downstream position of the trunk channel, downstream with respect to fluid flowing in a reverse direction through the fluidic rectifier. A first vena contracta is formed upon entry of the fluid into the body, when the fluid is flowing in the reverse direction. Further vena contractas are formed within the trunk channel of each corresponding stage, preferably by flow through the reversing channel being discharged and impinged upon flow through the trunk channel. Such discharged flow from the reversing channel contracts the flow through the trunk channel at a particular area. When fluid flows through the fluidic rectifier in a forward direction, each vena contracta is disabled. Thus in the forward direction, the overall head loss of the fluidic rectifier is less than the overall head loss of the fluidic rectifier when the fluid is flowing in the reverse direction.
REFERENCES:
patent: 1021742 (1912-03-01), Moore
patent: 3204652 (1965-09-01), Bauer
patent: 3444879 (1969-05-01), McLeod, Jr.
patent: 3474805 (1969-10-01), Swartz
patent: 3552414 (1971-01-01), Sutton
Chambers A. Michael
Gas Research Institute
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