FIELD: power engineering. SUBSTANCE: piston pump housing is placed on reservoir bottom, its piston is coupled with float. Delivery piping valves are connected to storage tank communicating with piping. Diaphragm pump housing is built integral with piston pump housing to form common housing. Delivery piping of diaphragm pump is also connected to delivery piping of piston pump. Both pipings are flexible. Rope links are joined with float and common pump housing. EFFECT: improved design. 2 cl, 3 dwg
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Authors
Dates
1995-10-27—Published
1992-04-29—Filed