Fuel saving device

Details Fuel saving device Fuel saving device

1974-01-21

1976-02-24

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Bi-directional flow valves

1374935, 220204, F16K 1704

Patent

active

039398668

ABSTRACT:
This invention relates to means for restricting the "breathing" of closed containers of volatile fluids within desired limits of pressure and/or vacuum, and in one embodiment includes two coaxial counter-directional, pressure relief valves for use in auto gasoline tanks.

REFERENCES:
patent: 2000431 (1935-05-01), Aumack
patent: 2133200 (1938-10-01), Kenneweg
patent: 2191636 (1940-02-01), Walker
patent: 2995148 (1961-08-01), Novak et al.
patent: 3290003 (1966-12-01), Kessler

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