Fluid handling – Flow affected by fluid contact – energy field or coanda effect – Structure of body of device
Patent
1978-08-04
1981-03-03
Cline, William R.
Fluid handling
Flow affected by fluid contact, energy field or coanda effect
Structure of body of device
F15C 500
Patent
active
042534950
ABSTRACT:
A fluidic element, such as a laminar proportional amplifier or laminar jet rate sensor, whose null off-set is reduced to substantially zero. A plurality of substantially identical thin laminate plates are stacked between a pair of cover plates. Each of the laminate plates has a passage formed therethrough which is formed by fine blanking that is characterized by formation of a die roll. The die roll has a portion thereof, characterized as a burr, projecting from one side of the plate. A separator plate is positioned between a like number of laminate plates so that the die rolls of each plate on one side of the separator plate face in the opposite direction to that of the die rolls of each of the laminate plates positioned on the other side of the separator plate. The laminate plates and separator plates are all in fluid communication with at least one of the cover plates via aligned supply, control and output conduits.
REFERENCES:
patent: 3467124 (1969-09-01), Simson
patent: 3534755 (1970-10-01), Urbanosky
patent: 3731700 (1973-05-01), Cohen
patent: 3942558 (1976-03-01), Honda et al.
Phillippi, Michael R., A Study of Fineblanking for the Manufacture of Fluc Laminar Proportional Amplifiers, HDL-TM-77-8, May 1977.
Cline William R.
Edelberg Nathan
Elbaum Saul
Gibson Robert P.
The United States of America as represented by the Secretary of
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