Rotary kinetic fluid motors or pumps – With means for re-entry of working fluid to blade set – Turbine regenerative pump
Patent
1989-03-03
1990-06-12
Price, Carl D.
Rotary kinetic fluid motors or pumps
With means for re-entry of working fluid to blade set
Turbine regenerative pump
F04D 500
Patent
active
049328344
ABSTRACT:
A ring channel blower in which, in the discharge area of the ring channel blower, a cross piece-shaped interrupter has a discharge side boundary edge that is configured such that between the inner edge of the ring channel and the facing edge of the respective vanes of the impeller as they pass thereover an angle of at least 25.degree. is initially enclosed and this angle increases gradually to 90.degree. when the intersection of the boundary edge and facing impeller vane edge is at the outer edge of the impeller. The discharge side boundary edge incorporates an inner end section that is approximately tangent to the inner edge of the ring channel and an outer end section that is approximately tangent to the outer edge of the impeller, and both of these tangent sections are connected to each other by a circular arc section. The cross piece-shaped interrupter forms, in the inlet area of the ring channel blower, an inlet side boundary edge that is configured such that the conveyed medium, during the rotational movement of the impeller, first enters the ring channel near the inner edge thereof and then enters near the outer edge of the ring channel, and only afterwards is the total cross section of the ring channel opened for the entry of the conveyed medium.
REFERENCES:
patent: 3356033 (1967-12-01), Ullery
patent: 3942906 (1976-03-01), Schonwald
patent: 3989411 (1976-11-01), Middleton
patent: 4376613 (1983-03-01), Schoenwald
patent: 4408952 (1983-10-01), Schweinfurter
patent: 4412781 (1983-11-01), Abe et al.
patent: 4456423 (1984-06-01), Mittmann
patent: 4749338 (1988-06-01), Galtz
Galtz Ruediger
Jentzsch Wolfgang
Kwon Jon T.
Price Carl D.
Webasto AG Fahrzeugtechnik
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