Gas expansion motor

Details Gas expansion motor Gas expansion motor

1982-11-08

1985-02-19

Hershkovitz, Abraham

Rotary kinetic fluid motors or pumps

Runner has spirally arranged blade or fluid passage

Extending along runner axis

F01D 500

Patent

active

045002541

ABSTRACT:
A gas-operated motor that comprises a divergent nozzle helically wrapped around a rotary support shaft to convey gas from a high pressure inlet chamber to a low pressure outlet chamber. The gas is progressively depressurized during its flow along the nozzle passage; pressure energy is converted to a turning force on the shaft. The structure represents a relatively simple, low cost mechanism for converting gas pressure energy into high speed rotary motion.

REFERENCES:
patent: 158579 (1875-01-01), Fairfax
patent: 1064824 (1913-06-01), Fledderjohan
patent: 1136957 (1915-04-01), Hettinger
patent: 2404371 (1946-07-01), Glaser
patent: 2544154 (1951-03-01), Hampton
patent: 2808225 (1957-10-01), Johnson
patent: 3311363 (1967-03-01), Phillips et al.
patent: 3326453 (1967-06-01), Kun
patent: 3609058 (1971-09-01), Tarsoly
patent: 3697190 (1972-10-01), Haentjens
patent: 3771900 (1973-11-01), Baehr

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