Fluent material handling – with receiver or receiver coacting mea – Diverse fluid containing pressure filling systems involving... – Filling with exhausting the receiver
Patent
1990-01-04
1991-08-13
Cusick, Ernest G.
Fluent material handling, with receiver or receiver coacting mea
Diverse fluid containing pressure filling systems involving...
Filling with exhausting the receiver
141290, 141 82, 137587, 220 85VS, 220 85VR, B65B 318
Patent
active
050388380
ABSTRACT:
A system for safe vapor recovery, particularly for fuel filling installations, in which a positive displacement pump effects controlled drawing of a vapor-air mixture into a vapor return pipe which extends to the bottom of the underground tank of the installation. The system is provided with a non-return valve downstream of the pump and a special circuit for effecting the controlled in-drawing based on the quantity of fuel delivered, the difference in temperature between the underground tank and the recovered mixture, and especially on the density of the mixture, by which its degree of explosiveness is determined. Structure are also provided for preventing or limiting explosion propagation.
REFERENCES:
patent: 3826291 (1974-07-01), Steffans
patent: 4058147 (1977-11-01), Stary et al.
patent: 4082122 (1978-04-01), McGahey
patent: 4197883 (1980-04-01), Mayer
patent: 4202385 (1980-05-01), Voelz et al.
patent: 4253503 (1981-03-01), Gunn
patent: 4260000 (1981-04-01), McGahey et al.
patent: 4306594 (1981-12-01), Planck
Bergamini Giorgio
Paris Ernesto
Cusick Ernest G.
Nuovopignone-Industrie Meccaniche e Fonderia S.p.A.
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