Device for removing fluid from a container with pressurized air

Details Device for removing fluid from a container with pressurized air Device for removing fluid from a container with pressurized air

1996-07-08

1997-12-23

Huson, Gregory L.

Dispensing

With discharge assistant

Fluid pressure

141 65, 141 67, 141 94, B65D 8300

Patent

active

056999402

ABSTRACT:
A device to empty fluid from a sealed pressure container by use of pressurized air, and thereafter to place the container under vacuum. The device has a sleeve portion which defines an interior chamber. A ring portion with a hole extends into the interior chamber and forms a seating surface. A slidable seat with an aperture is located in the interior chamber below the ring portion and is sized to loosely fit in the interior chamber and seat on the ring portion. An upper cap with an air channel is located at the upper end of the sleeve and a lower cap with an air channel is placed at the lower end of the sleeve portion. A spring placed in the interior chamber between the lower cap and the slidable seat biases the slidable seat into contact with the ring portion. A floatable ball is placed above the slidable seat and is adapted to fluid tightly seat on and seal off its aperture. The floatable ball is sized to freely pass through the hole in the ring portion. A vacuum generator is also provided. It has a flow-through channel, a junction air channel in communication with the flow-through channel at an upper end and in communication with the channel in the upper cap, and an air flow valve with opened and closed positions located downstream of the junction of the air channel.

REFERENCES:
patent: 2972342 (1961-02-01), Owen
patent: 5234037 (1993-08-01), Derby
patent: 5437202 (1995-08-01), Clark, II
patent: 5450881 (1995-09-01), Patterson
patent: 5560407 (1996-10-01), Swinford

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