Filter regeneration systems

Claim 2

A FLUID FILTER REGENERATION SYSTEM COMPRISING A FLUID SYSTEM HAVING AN IMPUT LINE AND AN OUTPUT LINE AND BIDIRECTIONAL IMPUT VALVE MEANS AND BIDIRECTIONAL OUTPUT VALVE MEANS, CONNECTED RESPECTIVELY TO SAID IMPUT LINE AND SAID OUTPUT LINES, FIRST, SECOND, AND THIRD FLOW LINES EXTENDING BETWEEN SAID IMPUT VALVE MEANS AND SAID VALVE MEANS, A REGENERATIVE FLUID FILTER IN THE FIRST FLOW LINE, A SEPARATOR MEANS FOR SEPARATING PARTICULATE MATTER FROM A FLOW OF FLUID BY A VORTICULAR MOTION IN THE SECOND FLOW LINE, THE THIRD FLOW LINE CONNECTED BETWEEN SAID IMPUT VALVE MEANS AND SAID OUTPUT MEANS, SAID INPUT MEANS BEING OPERABLE IN A FIRST POSITION FOR CONNECTING SAID FIRST FLOW LINE TO THE SYSTEM IMPUT LINE AND IN A SECOND POSITION FOR CONNECTING SAID THIRD FLOW LINE THE SYSTEM IMPUT LINE, AND CONNECTING SAID FIRST FLOW LINE TO THE SECOND LINE, SAID OUTPUT VALVE MEANS BEING OPERABLE IN A FIRST POSITION FOR CONNECTING SAID FIRST FLOW LINE TO A SYSTEM OUTPUT LINE AND IN A SECOND POSITION FOR CONNECTING SAID THIRD FLOW LINE TO THE FIRST FLOW LINE THEREBY DIRECTING FLOW IN REVERSE DIRECTION THROUGH THE FIRST FLOW LINE FOR REVERSING FLUID FLOW THROUGH THE REGENERATING FILTERS MEANS IN SAID FIRST FLOW LINE AND FOR CONNECTING SAID SECOND FLOW LINE TO THE SYSTEM OUTPUT LINE, SAID IMPUT VALVE MEANS AND SAID OUTPUT VALVE MEANS CONSTRUCTED AND ARRANGED SUCH THAT WHEN THE IMPUT VALVE MEANS IS IN THE FIRST OR SECOND POSITION, THE OUTPUT VALVE MEANS IS ALSO IN THE SECOND POSITION SO THAT WHEN THE VALVES ARE IN THE FIRST POSITION, FLOW IS DIRECTED FROM THE SYSTEM IMPUT LINE THROUGH THE FIRST FLOW LINE TO THE SYSTEM OUTPUT LINE AND WHEN THE VALVES ARE IN THE SECOND POSITION, FLOW IS FROM THE SYSTEM IMPUT LINE THROUGH THE THIRD FLOW LINE THEN IN A REVERSE DIRECTION THROUGH THE FIRST FLOW LINE, THEN THROUGH THE SECOND LINE AND THEN THE SYSTEN OUTPUT LINE,

Claim 3

The system specified in claim 1 including the second line being connectable to the input and output valve means by disconnect releaseable coupling means.

Claim 4

A fluid filter regeneration system comprising a system inlet flow means, a system outlet flow means, regenerative means formed of body means defining an enclosed fluid chamber, inlet flow means to said chamber in selective fluid communication with the system inlet flow means, an outlet flow means to said chamber, in selective communication with the system inlet flow means and system outlet flow means, means in said body means defining a porous filter wall surface sized to filter particulate from fluid, said wall surface separating said enclosed chamber into inner and outer spaces, said inlet flow means being coupled to said outer space, said outlet flow means being coupled to said inner space, thereby permitting fluid flow from said inlet flow means into said outer space, through said wall surface into said inner space and from said inner space to said outlet flow means, jetting means disposed in said inner space along the interior of said wall surface and coupled to said outlet flow means, said jetting means comprising a tubular member concentrically arranged relative to said wall surface and having narrow transverse slots along its length said slots constructed and arranged for normally passing fluid without undue restriction when said fluid flow is from said inlet to said outlet flow means and for jetting fluid under pressure onto said wall surface when said fluid flow is from said outlet to said inlet flow means; particle separator means in selective communication with the inlet of the regenerative filter means, said separator including a hollow body having a cylindrically formed upper chamber, an adjoining, conically tapering chamber and a lower trap chamber which contains a tubular member, having an opeing in spaced communication with the conically tapering chamber and further having a longitudinally extending, tangentially disposed opening; inlet means to said separator means disposed tangentially to the upper end of said upper chamber, and outlet means comprising a tubular member disposed along the axis of said upper chamber and having its opening disposed below the tangential inlet means and above the bottom of the conically tapering chamber; and an additional filter means coupled to said separator means, said additional filter means having an inlet in fluid communication with the outlet of said particle separator means and an outlet in selective fluid communication with the system outlet flow means; whereby reverse flow through the regenerative filter means backwashes the regenerative filter means thereby cleaning particulate matter from said wall surface, the particulate matter being then separated from the fluid by vorticular motion in the particle separator and minute matter being remOved by the additional filter.

Claim 5

A fluid filter regeneration system comprising a system inlet flow means, a system outlet flow means, regenerative means formed of body means defining an enclosed fluid chamber, inlet flow means to said chamber in selective fluid communication with the system inlet flow means, an outlet flow means to said chamber, in selective communication with the system inlet flow means and system outlet flow means, means in said body means defining a porous filter wall surface sized to filter particulate from fluid, said wall surface separating said enclosed chamber into inner and outer spaces, said inlet flow means being coupled to said outer space, said outlet flow means being coupled to said inner space, thereby permitting fluid flow from said inlet flow means into said outer space, through said wall surface into said inner space and from said inner space to said outlet flow means, jetting means disposed in said inner space along the interior of said wall surface and coupled to said outlet flow means, said jetting means comprising a tubular member concentrically arranged relative to said wall surface and having narrow transverse slots along its length said slots constructed and arranged for normally passing fluid without undue restriction when said fluid flow is from said inlet to said outlet flow means and for jetting fluid under pressure onto said wall surface when said fluid flow is from said outlet to said inlet flow means; particle separator means in selective communication with the inlet of the regenerative filter means, said separator including a hollow body having a cylindrically formed upper chamber, an adjoining, conically tapering chamber and a lower trap chamber which contains a tubular member, having an opeing in spaced communication with the conically tapering chamber and further having a longitudinally extending, tangentially disposed opening; inlet means to said separator means disposed tangentially to the upper end of said upper chamber, and outlet means comprising a tubular member disposed along the axis of said upper chamber and having its opening disposed below the tangential inlet means and above the bottom of the conically tapering chamber; and an additional filter means coupled to said separator means, said additional filter means having an inlet in fluid communication with the outlet of said particle separator means and an outlet in selective fluid communication with the system outlet flow means; whereby reverse flow through the regenerative filter means backwashes the regenerative filter means thereby cleaning particulate matter from said wall surface, the particulate matter being then separated from the fluid by vorticular motion in the particle separator and minute matter being remOved by the additional filter.

Claim 6

A fluid regeneration system for use with a fluid system having a system filter means which can be regenerated by a reverse flow of fluid through the system where the reverse fluid flow carries particulate matter from the system filter means in suspension in the fluid comprising; the system filter means being located in a flow line of the fluid system, a pair of bidirectional valve means, one located in the flow line upstream and one located in the flow line downstream of the system filter means, a first fluid conduit between said bidirectional valve means, a second fluid conduit in fluid communication with the flow line of the fluid system, separator means in said second fluid conduit for receiving the reverse flow of fluid and particulate matter from said system filter means and for separating such particulate matter from the fluid by a vorticular motion, and secondary filter means in said second fluid conduit means coupled to the outlet of said separator means for receiving the fluid output from said separator means and for filtering said fluid to trap any particulate matter not separated out from the fluid in the separator means, whereby said pair of bidirectional valve means are selectively operable between a first position for passing fluid in one direction through said system filter means and in a second position for passing fluid through said first fluid conduit, in a reverse direction through said system filter means and then through the separator means and secondary filter means in said second fluid conduit.

Claim 7

A fluid regeneration system for use with a fluid system having a system filter means which can be regenerated by a reverse flow of fluid through the system where the reverse fluid flow carries particulate matter from the system filter means in suspension in the fluid comprising; the system filter means being located in a flow line of the fluid system, a pair of bidirectional valve means, one located in the flow line upstream and one located in the flow line downstream of the system filter means, a first fluid conduit between said bidirectional valve means, a second fluid conduit in fluid communication with the flow line of the fluid system, separator means in said second fluid conduit for receiving the reverse flow of fluid and particulate matter from said system filter means and for separating such particulate matter from the fluid by a vorticular motion, and secondary filter means in said second fluid conduit means coupled to the outlet of said separator means for receiving the fluid output from said separator means and for filtering said fluid to trap any particulate matter not separated out from the fluid in the separator means, whereby said pair of bidirectional valve means are selectively operable between a first position for passing fluid in one direction through said system filter means and in a second position for passing fluid through said first fluid conduit, in a reverse direction through said system filter means and then through the separator means and secondary filter means in said second fluid conduit.

Claim 8

The fluid regeneration system as defined in claim 4 and further including the flow line having releasable coupling means and the ends of the second conduit having mating releasable coupling means for detachably connecting said separator means and said secondary filter means to the flow lines.

Claim 9

The fluid regeneration system as defined in claim 5 wherein the releasable coupling means in the flow line for connecting with the mating releasable coupling means for the output of the second conduit is on the downstream side of the bidirectional valve located downstream of the system filter means.