Mixing head

Claim 2

A mixing head comprising: a housing; an internal mixing chamber in said housing for mixing fluids; a section of said chamber providing a cylindrical valve seat; a plurality of ports opening into said valve seat; a cylindrical mixing chamber valve member; at least one passageway in said valve member with one end of said passageway movable into and out of register with each of said ports; a surface on said valve member engageable with said cylindrical valve seat to prevent cross flow between said ports; means for moving said valve member to successively register said passageways of said valve member with said ports; means in said chamber for mixing fluids; and valve means associated with each port including: a conical valve seat opening into a cylindrical valve seat, a first passage opening into the cylindrical valve adapted for communication with a injection line, a second passage opening into the cylindrical valve seat adapted for communication with a bypass line,

Claim 3

a valve member engaging said cylindrical valve seat and adapted to permit product to flow from the first passage through the chamber formed by the cylindrical valve seat through the port and into the mixing chamber when said valve member is in an open position and adapted to permit product to flow from the first passage through the chamber formed by the cylindrical valve seal to the second passagement when said valve member is in a closed position, and means for opening and closing said last mentioned valve member.

Claim 4

a valve member engaging said cylindrical valve seat and adapted to permit product to flow from the first passage through the chamber formed by the cylindrical valve seat through the port and into the mixing chamber when said valve member is in an open position and adapted to permit product to flow from the first passage through the chamber formed by the cylindrical valve seal to the second passagement when said valve member is in a closed position, and means for opening and closing said last mentioned valve member.

Claim 5

A mixing head comprising: a housing; an internal mixing chamber in said housing for mixing fluids; a section of said chamber providing a cylindrical valve seat; a plurality of ports opening into said valve seat; a cylindrical mixing chamber valve member;

Claim 6

A mixing head comprising: a housing; an internal mixing chamber in said housing for mixing fluids; a section of said chamber providing a cylindrical valve seat; a plurality of ports opening into said valve seat; a cylindrical mixing chamber valve member;

Claim 7

at least one passageway in said valve member with one end of said passageway movable into and out of register with each of said ports; a surface on said valve member engageable with said cylindrical valve seat to prevent cross flow between said ports; means for moving said valve member to successively register said passageways of said valve member with said ports; means in said chamber for mixing fluids; and valve means associated with each port including: a valve seat opening into a valve chamber, said valve chamber communicating with said mixing chamber through said port, a valve member movable within said valve chamber between positions engaging said valve seat and disengaging said valve seat, said last mentioned valve member having a nipple which fits inside the port to completely close the port, and said nipple having a tip which conforms to the shape of the mixing chamber valve seat and is adjacent the mixing chamber valve seat when said last mentioned valve member engages the valve seat.

Claim 8

at least one passageway in said valve member with one end of said passageway movable into and out of register with each of said ports; a surface on said valve member engageable with said cylindrical valve seat to prevent cross flow between said ports; means for moving said valve member to successively register said passageways of said valve member with said ports; means in said chamber for mixing fluids; and valve means associated with each port including: a valve seat opening into a valve chamber, said valve chamber communicating with said mixing chamber through said port, a valve member movable within said valve chamber between positions engaging said valve seat and disengaging said valve seat, said last mentioned valve member having a nipple which fits inside the port to completely close the port, and said nipple having a tip which conforms to the shape of the mixing chamber valve seat and is adjacent the mixing chamber valve seat when said last mentioned valve member engages the valve seat.

Claim 9

The mixing head of claim 2 wherein the passageway of the cylindrical mixing chamber valve member comprises a spiral flute and the end of the passageway is moved into and out of register with each of said ports by rotating said cylindrical mixing chamber valve member.

Claim 10

The mixing head of claim 2 wherein the passageway of the cylindrical mixing chamber valve member comprises a straight axial flute and the end of the flute is moved into and out of register with each of the ports are rotating said cylindrical mixing chamber valve member.

Claim 11

The mixing head of claim 2 additionally including: mixing means attached to the end of said mixing chamber valve member.

Claim 12

A mixing head comprising: a housing; an internal mixing chamber in said housing for mixing fluids; a section of said chamber providing a valve seat; a plurality of ports opening into said valve seat; means in said chamber for mixing fluids; and a valve means associated with each of said ports, said valve means including: a valve seat opening into a valve chamber, said valve chamber communicating with said mixing chamber through said port, a valve member movable within said valve chamber between positions engaging said valve seat and disengaging said valve seat, said valve member having a nipple which fits inside the port to completely close the port, and said nipple having a tip which conforms to the shape of the mixing chamber valve seat and is adjacent the mixing chamber valve seat when the valve member engages the valve seat.

Claim 13

A mixing head comprising: a housing; an internal mixing chamber in said housing for mixing fluids; a section of said chamber providing a valve seat; a plurality of ports opening into said valve seat; means in said chamber for mixing fluids; and a valve means associated with each of said ports, said valve means including: a valve seat opening into a valve chamber, said valve chamber communicating with said mixing chamber through said port, a valve member movable within said valve chamber between positions engaging said valve seat and disengaging said valve seat, said valve member having a nipple which fits inside the port to completely close the port, and said nipple having a tip which conforms to the shape of the mixing chamber valve seat and is adjacent the mixing chamber valve seat when the valve member engages the valve seat.

Claim 14

A mixing head comprising: a housing an internal mixing chamber in said housing for mixing fluids; a section of said chamber providing a valve seat; a plurality of ports opening into said valve seat; a mixing chamber valve member; at least one passage way in said valve member with one end of said passageway movable into and out of register with each of said ports; a surface on said valve member engageable with said valve seat to prevent cross flow between said ports; means for moving said valve member to successively register said passageway of said valve member with said ports; means in said chamber for mixing fluids; and valve means associated with each port including: a valve seat opening into a valve chamber, said valve chamber communicating with said mixing chamber through said ports, a valve member movable within said valve chamber between positions engaging said valve seat and disengaging said valve seat, said valve member having a nipple which fits inside the port to completely close the port, and said nipple having a tip which conforms to the shape of said mixing chamber valve seat and is adjacent the mixing chamber valve seat when the valve member engages the valve seat.

Claim 15

A mixing head comprising: a housing an internal mixing chamber in said housing for mixing fluids; a section of said chamber providing a valve seat; a plurality of ports opening into said valve seat; a mixing chamber valve member; at least one passage way in said valve member with one end of said passageway movable into and out of register with each of said ports; a surface on said valve member engageable with said valve seat to prevent cross flow between said ports; means for moving said valve member to successively register said passageway of said valve member with said ports; means in said chamber for mixing fluids; and valve means associated with each port including: a valve seat opening into a valve chamber, said valve chamber communicating with said mixing chamber through said ports, a valve member movable within said valve chamber between positions engaging said valve seat and disengaging said valve seat, said valve member having a nipple which fits inside the port to completely close the port, and said nipple having a tip which conforms to the shape of said mixing chamber valve seat and is adjacent the mixing chamber valve seat when the valve member engages the valve seat.

Claim 16

A mixing head comprising: a housing; an internal mixing chamber in said housing for mixing fluids; a section of said chamber providing a valve seat; a plurality of ports opening into said valve seat; a mixing chamber valve member; at least one passageway in said valve member with one end of said passageway movable into and out of register with each of said ports; a surface on said valve member engageable with said valve seat to prevent cross flow between said ports; means for moving said valve member to successively register said passageway of said valve member with said ports; means in said chamber for mixing fluids; and a valve means associated with each port including: a conical valve seat opening into a cylindrical valve seat, a first passage opening into the cylindrical valve seat adapted for communication with an injection line, a second passage opening into the cylindrical valve seat adapted for communication with a bypass line, a valve member engaging said cylindrical valve seat and adapted to permit fluid to flow from the first passage through the chamber formed by the cylindrical valve seat through the port and into the mixing chamber when said valve member is in an open position and adapted to permit products to flow from the first passage through the chamber formed by the cylindrical valve seat to the second passage when said valve member is in a closed position, and means for opening and closing said last mentioned valve member.

Claim 17

A mixing head comprising: a housing; an internal mixing chamber in said housing for mixing fluids; a section of said chamber providing a valve seat; a plurality of ports opening into said valve seat; a mixing chamber valve member; at least one passageway in said valve member with one end of said passageway movable into and out of register with each of said ports; a surface on said valve member engageable with said valve seat to prevent cross flow between said ports; means for moving said valve member to successively register said passageway of said valve member with said ports; means in said chamber for mixing fluids; and a valve means associated with each port including: a conical valve seat opening into a cylindrical valve seat, a first passage opening into the cylindrical valve seat adapted for communication with an injection line, a second passage opening into the cylindrical valve seat adapted for communication with a bypass line, a valve member engaging said cylindrical valve seat and adapted to permit fluid to flow from the first passage through the chamber formed by the cylindrical valve seat through the port and into the mixing chamber when said valve member is in an open position and adapted to permit products to flow from the first passage through the chamber formed by the cylindrical valve seat to the second passage when said valve member is in a closed position, and means for opening and closing said last mentioned valve member.