Layered fluid circuit assemblies and methods for making them

A fluid circuit assembly comprising first and second sheets of flexible material sealed to form first and second panel sections, a pattern of seals formed in the first panel section to define a first fluid circuit, and a pattern of seals formed in the second panel section to define a second fluid circuit, the flexible sheets being folded over to place the first and second panel sections in a reverse facing relationship with the first fluid circuit overlaying the second fluid circuit.

A fluid processing module comprising

• a tray including walls defining an interior space, and
• a fluid circuit assembly carried within the interior space comprising flexible material sealed to form first and second panels, a pattern of seals formed in the first panel to define a first fluid circuit, and a pattern of seals formed in the second panel to define a second fluid circuit, the flexible sheets being aligned within the interior space to place the first and second panels in a relationship with the first fluid circuit overlaying the second fluid circuit.

A fluid processing module comprising

• a tray including walls defining an interior space, and
• a fluid circuit assembly carried within the interior space comprising first and second sheets of flexible material sealed to form first and second panels, a pattern of seals formed in the first panel to define a first fluid circuit, and a pattern of seals formed in the second panel to define a second fluid circuit, the flexible sheets being folded over to place the first and second panels in a reverse facing relationship within the interior space, with the first fluid circuit overlaying the second fluid circuit.

A fluid circuit for volumetrically balancing fluid comprising first and second sheets of flexible material sealed to form first and second panels, a pattern of seals formed in the first panel to define a first fluid circuit for handling out going fluid and including a first in-line compartment to retain a volume of out going fluid, and a pattern of seals formed in the second panel to define a second fluid circuit for handing in going fluid and including a second in-line compartment to retain a volume of in going fluid, the flexible sheets being aligned to place the first and second panels in a relationship with the first in-line compartment overlaying the second in-line compartment to mutually form a two-compartment chamber that displaces out going fluid from the first in-line compartment as in going fluid is conveyed into the second in-line compartment, and vice versa.

A flow management system, comprising:

• first and second sheets of material sealed to form first and second panels, the first panel having a first fluid pathway for handling a first fluid comprising a first compartment to receive a volume of the first fluid, the second panel having a second fluid pathway for handling a second fluid comprising a second compartment to receive a volume of the second fluid,
• the panels being aligned so that the first compartment overlays the second compartment to form a structure so that the first fluid from the first compartment is displaced as the second fluid fills the second compartment.

A fluid circuit for volumetrically balancing fluid comprising first and second sheets of flexible material sealed to form first and second panels, a pattern of seals formed in the first panel to define a first fluid circuit for handling out going fluid and including a first in-line compartment to retain a volume of out going fluid, and a pattern of seals formed in the second panel to define a second fluid circuit for handing in going fluid and including a second in-line compartment to retain a volume of in going fluid, the flexible sheets being aligned to place the first and second panels in a relationship with the first in-line compartment overlaying the second in-line compartment to mutually form a two-compartment chamber, such that the first and second in-line compartments are divided by two layers formed by said sheets, each corresponding to a respective one of said first and second in-line compartments, the two-compartment chamber displaces out going fluid from the first in-line compartment as in going fluid is conveyed into the second in-line compartment, and vice versa.