Multichamber tank for motor vehicles

Details Multichamber tank for motor vehicles Multichamber tank for motor vehicles

2005-08-30

2009-11-10

Freay, Charles G (Department: 3746)

Pumps

Condition responsive control of pump drive motor

Responsive to accumulation of pumped liquid in receiver

C417S040000, C141S126000

Reexamination Certificate

active

07614854

ABSTRACT:
A multichamber tank for motor vehicles comprises two chambers (4, 5) connected via a constricted region (6) located high up in the chambers, a first chamber (4) having a filler neck (2), and a line (13) bridging the constriction forming the connection to a second chamber (5). In order that both chambers are filled at approximately the same speed during filling-up through the filler neck (2), a pump (11) designed for level equalization during filling-up and driven by an electric motor (12) is provided in the line (13), and a level sensor (17, 18) is provided in each of the two chambers (4, 5), the output signals of which sensors are available to a control unit (14) which controls the electric motor (12) of the pump (11).

REFERENCES:
patent: 4244385 (1981-01-01), Hotine
patent: 5983932 (1999-11-01), Wagner et al.
patent: 6609537 (2003-08-01), Horrer et al.
patent: 6955158 (2005-10-01), Rumpf
patent: 7204238 (2007-04-01), Pozgainer et al.

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