Multi-stage rotary fluid handling apparatus

Details Multi-stage rotary fluid handling apparatus Multi-stage rotary fluid handling apparatus

1996-08-05

1997-07-29

Verdier, Christopher

Rotary kinetic fluid motors or pumps

Runner with annular blade rows or fluid channels spaced on...

Including peripheral blade row

415155, 415162, 415165, 4151692, 415178, 415179, 4151991, F01D 106, F01D 108, F01D 508, F01D 2532

Patent

active

056516614

ABSTRACT:
Rotary fluid handling apparatus employing a wheel to provide multi-stage compression or expansion. A wheel having a first set of vanes includes a shroud about those vanes with a second set of vanes outwardly of the shroud. One set of vanes provides for low specific speed flow while the other set of vanes provides for high specific speed flow. A transfer passage interconnects the outlet of the first stage with the inlet of the second stage. The difference in temperature between the inlet flow to the system and the outlet flow from the system may be exchanged to increase efficiency. The multi-stage wheel and associated passages may be configured for either compression or turboexpansion.

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patent: 4303372 (1981-12-01), Caffrey
patent: 4502836 (1985-03-01), Swearingen
patent: 5545006 (1996-08-01), Agahi et al.

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