Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Casing having tangential inlet or outlet
Patent
1991-11-21
1993-01-12
Kwon, John T.
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Casing having tangential inlet or outlet
415900, 416223B, 600 16, 623 3, F04D 2918
Patent
active
051785153
ABSTRACT:
A medical pump comprises a casing having side walls, a peripheral wall, and a pump chamber defined thereby, an inlet port formed substantially in the central portion of one of the side walls of the casing, an outlet port formed in the peripheral wall of the casing so as to extend tangent thereto, a rocker substantially concentric with the inner peripheral surface of the casing and disposed in the chamber, and a rocker driving unit for rocking the rocker so as to vary the volume of the space between the rocker and the outlet port with the lapse of time, thereby producing a rotating flow in fluid in the casing.
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patent: 2956503 (1960-10-01), Neidl
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patent: 3702938 (1972-11-01), Garnier
patent: 4135253 (1979-01-01), Reich et al.
Vol. XXXII, Trans Am Soc Artif Intern Organs 1986, "Investigation of the Flow in a Centrifugal Blood Pump", by Klaus Affeld et al.; pp. 269-273.
"Fluid-Dynamical Characteristics of a Modified Tea-Spoon Type Centrifugal Blood Pump", T. Shiroyama et al., Mar. 14, 1985, pp. 1130-1132.
"Improvement of Performance of Nutating Centrifugal Blood Pump and Simulation of its Hemolysis Test", T. Shiroyama et al., Feb. 18, 1989, pp. 551-554.
"Trend of Development of Artificial Heart-Its Structure and Functions", Jour. JSME, vol. 92, pp. 198-205.
Kabei Nobuyuki
Konou Ryouichi
Tsuchiya Kiichi
Kwon John T.
Olympus Optical Co,. Ltd.
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