Apparatus for agitating and adding a liquid to a liquid flow system

Claim 2

The combination claimed in claim 2 wherein said source of liquid to be added to said liquid flow system further comprises means to continuously agitate said liquid to be added.

Claim 3

The combination claimed in claim 3 wherein said first pressure means include a first pump means comprising: a pump casing; outlet means in said pump casing; inlet means in said pump casing; and said first conduit means is connected to said outlet means of said first pump casing to receive discharge from said first pump means.

Claim 4

The combination claimed in claim 4 wherein: said source of liquid to be added comprises first receptacle means for liquid to be added; and said inlet means in said second first pump casing is disposed in said first receptacle means.

Claim 5

The combination claimed in claim 5 wherein said outlet means of said first pump means discharge into said source of additive liquid to continuously agitate said additive liquid.

Claim 6

The combination claimed in claim 6 wherein: said outlet means of said first pump means comprise primary outlet means and secondary outlet means; and said first conduit means are connected to said secondary outlet means of said first pump means.

Claim 7

The combination claimed in claim 6 wherein said means to continuously agitate said additive liquid include: a container of additive liquid disposed in said first receptacle means, said container having an opening in the bottom thereof to allow additive liquid to pass into said first receptacle means; and fourth conduit means extending through said opening in the bottom of said closed container and connected to said outlet means of said first pump means so that liquid from said first pump means will be discharged into said closed container means to agitate the additive liquid contained therein.

Claim 8

The combination claimed in claim 7 further comprising impedance means disposed in said first conduit means to dampen any rapid increase in pressure in said first conduit means.

Claim 9

The combination claimed in claim 3 wherein said second pressure means include a second pump means comprising: a pump casing; outlet means in said pump casing; inlet means in said pump casing; and said second conduit means is connected to said outlet means of said pump casing to receive discharge from said second pump means.

Claim 10

The combination claimed in claim 10 wherein: said liquid flow system includes second receptacle means for liquid in said liquid flow system; and said inlet means in said second pump casing is disposed in said second receptacle means so that the discharge pressure of said second pump means will decrease when the level of liquid in said second receptacle means falls below a predetermined point.

Claim 11

The combination claimed in claim 11 wherein: said second receptacle means include second sump means; and said inlet means of said second pump means is disposed in said second sump means.

Claim 12

The combination claimed in claim 11 wherein: said outlet means in said second pump means comprise primary outlet means and secondary outlet means; and said second conduit means are connected to said secondary outlet means of said second pump means.

Claim 13

The combination claimed in claim 13 further comprising: a processing bin; third conduit means communicating said primary outlet means of said second pump means to said processing bin; and means to return liquid from said processing bin to said second receptacle means.

Claim 14

Apparatus for adding a liquid to a liquid flow system comprising: first receptacle means containing additive liquid; first pump means having discharge means and having inlet means disposed in said first receptacle means; first conduit means communicating with said discharge means of said first pump means; second receptacle means containing liquid in said flow system; Second pump means having discharge means and having inlet means in communication with said second receptacle means; means to drive said first and second pump means; second conduit means connected with said discharge of said second pump means; and check valve means connecting said first conduit means and said second conduit means to allow flow of additive liquid from said first conduit means to said second conduit means when the pressure in said first conduit means is greater than the pressure in said second conduit means.

Claim 15

The combination claimed in claim 15 further comprising fourth conduit means communicating with said discharge means of said first pump means to direct discharge from said first pump means to said additive liquid in said first receptacle means to continually agitate the additive liquid.

Claim 16

The combination claimed in claim 16 further comprising: a plurality of discharge openings in said discharge means of said second pump means; third conduit means connected to one of said discharge openings in said second pump means to circulate discharge from said second pump means to said liquid flow system; and means connecting first conduit means and said fourth conduit means to separate discharge openings in said first pump means.

Claim 17

The combination claimed in claim 17 further comprising impedance means operatively associated with said first conduit means to prevent rapid build up of pressure in said first conduit means to insure proper seating of said check valve means connecting said first and second conduit means.

Claim 18

The combination claimed in claim 17 further comprising sump means in the bottom of said second receptacle means; and wherein said inlet means of said second pump means is disposed in said second receptacle sump means so that the discharge pressure from said second pump means will decrease when the level of liquid in said second receptacle sump means drops to a predetermined point in said second receptacle sump means.

Claim 19

The combination claimed in claim 19 further comprising: container means for additive liquid, said container means having an opening in the lower part thereof disposed in said first receptacle means above the level of said inlet means of said first pump means in said first receptacle means; and said fourth conduit means extend through said opening in said container means to direct discharge from said first pump means into said container means to agitate the additive liquid therein.

Claim 20

Apparatus for adding a liquid to a liquid flow system comprising: first receptacle means containing additive liquid; a closed container of additive liquid disposed in said first receptacle means; said closed container having an opening in the bottom thereof to allow additive liquid to flow into said first receptacle means when the level of liquid in said first receptacle means drops below the level of said opening so that a constant level of additive liquid will be maintained in said first receptacle means; first pump means having a plurality of discharge outlets and having an inlet disposed in said first receptacle means below the level of said additive liquid in said first receptacle means; fourth conduit means connected to one of said discharge outlets in said first pump means and extending through said opening in said container to direct discharge from said first pump means to said closed container to agitate the additive liquid in said closed container and in said first receptacle; second receptacle means adapted to hold liquid from said liquid flow system; second pump means having a plurality of discharge outlets and having an inlet disposed in said second receptacle; third conduit means connected to one of said discharge outlets in said second pump means to carry discharge from said second pump means into said liquid flow system; means to drive said first and second pump means; first conduit means connected to one of said discharge outlEts in said first pump means to carry additive liquid discharged from said first pump means; second conduit means connected to one of said discharge outlets in said second pump means to carry liquid from said liquid flow system discharged from said second pump means; check valve means connecting said first conduit means with said second conduit means to allow flow of additive liquid from said first conduit means through said second conduit means into said second pump means and then into said liquid flow system, when the pressure of the liquid in said second conduit means drops a predetermined value below the pressure of the liquid in said first conduit means; and impedance means in said first conduit means to insure a more rapid buildup of pressure in said second conduit than in said first conduit to seat said check valve means when said first and second pump means are started simultaneously.