Multiway pneumatic valve and its application to brake

Fluid handling – Self-proportioning or correlating systems – Self-controlled branched flow systems

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13751215, 1375124, 137608, 137613, 13759615, 303 28, G05D 1100

Patent

active

040376176

ABSTRACT:
Multiway pneumatic valve comprising supply inlet and a plurality of separate outlets connected to the inlet by separate circuits.
Third and fourth circuits are respectively in series with first and second circuits. Calibrated diaphragms are exposed at their periphery to the supply pressure and in their central portion to the pressure in the tank which they control. If a tank fails, the corresponding diaphragm isolates this tank. Flaps each comprising a loose strip isolate the whole tank system in the case of a supply failure.
The valve can be applied to any gas distribution problem and more particularly to pneumatic brake circuits.

REFERENCES:
patent: 1986831 (1935-01-01), Valley
patent: 2043849 (1936-06-01), Bixler
patent: 2139313 (1938-12-01), Neubauer
patent: 2254990 (1941-09-01), Blank
patent: 2345140 (1944-03-01), McCollum et a.
patent: 2758609 (1956-08-01), Dickert et al.
patent: 2856955 (1958-10-01), Winkelman
patent: 3045605 (1962-07-01), Nutten et al.
patent: 3575190 (1971-04-01), Puster et al.
patent: 3653408 (1969-11-01), Coiner
patent: 3823733 (1974-07-01), DuBois et al.

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