Rotary kinetic fluid motors or pumps – With means for re-entry of working fluid to blade set – Plural – independent – serially acting re-entry means
Patent
1989-07-25
1990-12-18
Kwon, John T.
Rotary kinetic fluid motors or pumps
With means for re-entry of working fluid to blade set
Plural, independent, serially acting re-entry means
415 556, F01D 112
Patent
active
049782770
ABSTRACT:
A regenerative turbomachine has a rotatable bladed impeller (1) and an annular housing (3) surrounds the impeller (1) and defines a topological flow channel for a working fluid. There is also an inlet port (4) for admitting a working fluid to the housing (3) and an outlet port (5) spaced circumferentially of the impeller (1) from the inlet port (4) by which the working fluid can leave the housing (3). A guide is also provided for guiding the working fluid entering the inlet part (4) through a slip flow path and a counter-flow path which follow respective spiral paths in opposite directions around the toroidal flow channel. Each flow path makes a number of successive passes through the impeller (1) and each successive pass is spaced circumferentially from the other passes.
REFERENCES:
patent: 791949 (1905-06-01), Scheuber
patent: 2809493 (1957-10-01), Pavlecka
patent: 3138363 (1964-06-01), Banerian
patent: 3869220 (1975-03-01), Tayler
patent: 3951567 (1976-04-01), Rohs
patent: 4167854 (1979-09-01), Diemer et al.
patent: 4441855 (1984-04-01), Tayler
patent: 4573864 (1986-03-01), Moore
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