Rotary kinetic fluid motors or pumps – With means for re-entry of working fluid to blade set – Plural blade sets
Patent
1980-09-22
1983-11-22
Marcus, Stephen
Rotary kinetic fluid motors or pumps
With means for re-entry of working fluid to blade set
Plural blade sets
415 90, 415110, 415121A, 415123, 415165, 415168, 4151981, F01D 136, F01D 1714
Patent
active
044165820
ABSTRACT:
A multi-stage turbine has an inflow disc pack that directs motivating fluid to an outflow disc pack on the same shaft. The packs are fitted to rotate between plates that web a turbine casing interior and fluid entry into the casing to the inflow pack is via nozzles in a ring assembly fixed to the casing. Each disc pack is made up by spaced apart discs with fences that guide the motivating fluid first through the inflow pack and then the outflow pack. A central passageway in the packs and adjacent the shaft communicates fluid inflow to outflow. Fluid exhaust is through exits at the casing bottom. In one version, the disc packs are conical and when seen from the side, the packs with webbed plates are X configured in section. In another version, the inflow pack is flat, the outflow pack conical and the casing of both versions are configured to provide low losses and maximum strength. The nozzles can be convergent-divergent in a plenum located adjacent the inflow pack circumference.
REFERENCES:
patent: 3066912 (1962-12-01), Scheper
patent: 3313518 (1967-04-01), Nancarrow
patent: 4025225 (1977-05-01), Durant
patent: 4036561 (1977-07-01), Harand et al.
patent: 4036584 (1977-07-01), Glass
patent: 4232992 (1980-11-01), Possell
Marcus Stephen
Pitko Joseph M.
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