Gas economizer

Details Gas economizer Gas economizer

1975-02-21

1976-05-11

Arola, Dave W.

Pipe joints or couplings

Elbow

138 37, 285332, 285386, F16L 2500

Patent

active

039558355

ABSTRACT:
A gas economizer which comprises a union for insertion in a gas line leading to a gas appliance with the male portion of the union provided with a plurality of spirally extending fins to cause a swirling action in the gas passing therethrough.

REFERENCES:
patent: 640197 (1900-01-01), Hewlett
patent: 1270015 (1918-06-01), Couch
patent: 1279771 (1918-09-01), Snider
patent: 1515617 (1924-11-01), Reynolds et al.
patent: 1608547 (1926-11-01), Clark

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