Suction jet pump with ribs for guiding the flow of fuel

Details Suction jet pump with ribs for guiding the flow of fuel Suction jet pump with ribs for guiding the flow of fuel

2011-01-25

2011-01-25

Freay, Charles G (Department: 3746)

Pumps

One fluid pumped by contact or entrainment with another

Jet

C417S194000

Reexamination Certificate

active

07874812

ABSTRACT:
In known devices for pumping fuel, suction jet pumps are used which are driven by the fuel flowing back from the internal combustion engine and pump fuel from a supply tank into an impoundment container of a fuel pumping unit. In known suction jet pumps, the suction power is limited by the fact that the fuel stream applies itself to the housing wall, so that the entire area of the fuel stream is no longer available for entraining fuel. The device of the invention lessens this effect by providing at least one rib between the first partial section of the fuel line and the mixing conduit.

REFERENCES:
patent: 3134338 (1964-05-01), Dodge
patent: 3166020 (1965-01-01), Cook
patent: 3667069 (1972-06-01), Blackshear et al.
patent: 4522141 (1985-06-01), Aker
patent: 42 01 037 (1993-07-01), None
patent: 44 00 958 (1995-04-01), None
patent: 198 56 298 (2000-02-01), None

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