Dynamic fluid proportioning and infinitely variable ratios and flows from fixed ratio piston proportioning pumps

A method of dispensing flows of one or more fluids in varying ratios from a fixed ratio piston proportioning pump, the method comprising the steps of:

• configuring size of more than one of a chamber to form, for each of the chamber, a chamber volume, the fixed ratio piston proportioning pump comprises at least one of a cylinder, at least one of a piston, and a linkage that connects at one end to the piston, each of the chamber is formed, within the cylinder, for holding a fluid, each of the chamber comprises an ingress port and an egress port, the linkage is coupled to a motive force in a manner that displaces the piston within the cylinder;
• determining a desired volume of a fluid to dispense;
• determining a total piston displacement amount required to dispense the desired volume of the fluid;
• mixing, in a ratiometric manner based on each of the chamber volume, at least two separate streams of the fluid, by setting at least one of a bypass valve to a first state, causing at least two separate streams of the fluid to be dispensed from more than one of the chamber;
• measuring a piston displacement amount as the piston moves to determine when the total piston displacement amount has been achieved;
• and
• bypassing the fluid at the ingress port or the egress port of at least one of the chamber by setting at least one of the bypass valve to a second state, preventing dispense of the fluid from one or more of the chamber when the piston displacement amount reaches the total piston displacement amount while the piston continues to move, and while each of the chamber that remain unbypassed continue to dispense the fluid.

A method of dispensing flows of one or more fluids in varying ratios from a fixed ratio piston proportioning pump, the method comprising the steps of:

• configuring size of more than one of a chamber to form, for each of the chamber, a chamber volume, the fixed ratio piston proportioning pump comprises at least one of a cylinder, and at least one of a piston, each of the chamber is formed within the cylinder for holding a fluid, each of the chamber comprises an ingress port and an egress port, the piston is displaced by injection of the fluid into at least one of the chamber;
• mixing, in a ratiometric manner based on each of the chamber volume, at least two separate streams of the fluid, by setting at least one of a bypass valve to a first state, causing at least two separate streams of the fluid to be dispensed from more than one of the chamber;
• and
• bypassing the fluid at the ingress port or the egress port of at least one of the chamber by setting at least one of the bypass valve to a second state, preventing dispense of the fluid from one or more of the chamber while the piston continues to move, and while each of the chamber that remain unbypassed continue to dispense the fluid.