B - Operations – Transporting – 67 – D
Patent
B - Operations, Transporting
67
D
B67D 7/08 (2010.01) B67D 7/04 (2010.01) B67D 5/08 (2006.01) B67D 5/04 (2006.01)
Patent
CA 2130826
2130826 9321069 PCTABS00027 A vacuum assisted system for loading liquid product containing vapor into tank (10) comprising apparatus for loading liquid product under pressure into tank (10), and a system for disposing of vapor recovered from tank (10) during loading. The system also includes conduit for interconnecting tank (10) and vapor disposal system (36), and blower (24) in the conduit for applying a vacuum to tank (10). The loading apparatus pressure and blower vacuum act to move vapor from tank (10) to vapor disposal system (36). By-pass conduit (23) is formed about and between outlet and inlet sides of blower (24), and valve (25) provided in by-pass conduit (23) is reponsive to vacuum at that inlet side of blower (24), progressively opening to permit by-pass flow of vapor from the outlet side to the inlet side of blower (24). Valve (25) provides maximum by-pass when the vacuum approaches a predetermined maximum level.
Martin David Neal
Mccreery Michael Casey
Kirby Eades Gale Baker
Mccreery Michael Casey
Mobil Oil Corporation
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