Water filter

Claim 2

A water filter, comprising: an elongate, closed housing; a baffle plate secured transversely within said housing and separating the interior of said housing into a first smaller chamber and a second larger chamber, said baffle plate having a plurality of passages extending therethrough; an inlet line passing through said housing into said first chamber for receiving water provided to the water filter; a return line passing through said housing into said first chamber, through said baffle plate and extending into said second chamber; a lateral line connected to the end of said return line within said second chamber, said lateral line having a plurality of openings for passing water therethrough; a filtering medium substantially filling said second chamber; and a cylindrical base connected to a lower end of said housing for supporting said housing in an upstanding position, said return line and said inlet line passing through the wall of said base and entering said housing from within said base.

Claim 3

The water filter recited in claim 1 including a filter cloth enclosing said lateral line wherein water that passes through said lateral line also passes through said filter cloth.

Claim 4

The water filter recited in claim 1 wherein said return line is positioned along the axis of said housing and passes through the center of said baffle plate and the center of an end of said housing defining said first chamber.

Claim 5

The water filter recited in claim 1 wherein said filter medium is powdered charcoal.

Claim 6

The water filter recited in claim 1 wherein said housing comprises a plurality of individually molded sections which are joined together to form said housing as an integral unit.

Claim 7

A water filter, comprising: an elongate, closed housing; a baffle plate secured transversely within said housing proximate a first end thereof, said baffle plate separating the interior of said housing into a first smaller chamber bounded by said first end and a second larger chamber, said baffle plate further having a plurality of passages between said chambers; an inlet line passing through said housing into said first chamber for receiving water provided to the water filter; a return line passing through said first end of said housing, and extending through said baffle plate into said second chamber; a lateral line connected coaxially to the end of said return line within said second chamber, said lateral line having a plurality of openings for passing water therethrough; a filtering medium substantially filling said second chamber; and a fitst T connector joined to the end of said inlet line external to said housing; a second T connector joined to the end of said return line external to said housing; and self closing snap couplers joined to at least one of the free ends of each of said T connectors.

Claim 8

A water filter, comprising: an elongate, closed housing; a baffle plate secured transversely within said housing proximate a first end thereof, said baffle plate separating the interior of said housing into a first smaller chamber bounded by said first end and a second larger chamber, said baffle plate further having a plurality of passages between said chambers; an inlet line passing through said housing into said first chamber for receiving water provided to the water filter; a return line passing through said first end of said housing, and extending through said baffle plate into said second chamber; a lateral line connected coaxially to the end of said return line within said second chamber, said lateral line having a plurality of openings for passing water therethrough; a filtering medium substantially filling said second chamber; and a fitst T connector joined to the end of said inlet line external to said housing; a second T connector joined to the end of said return line external to said housing; and self closing snap couplers joined to at least one of the free ends of each of said T connectors.

Claim 9

The water filter recited in claim 6 including: a diverter valve connectable to a water outlet and having input and output ports; a first hose having a snap bushing on one end thereof connectable to one of said couplers attached to said first T connector and having the remaining end thereof connected to said output port; and a second hose having a snap bushing on one end thereof connectable to one of said snap couplers attached to said second T connector and the remaining end thereof connected to said input port.

Claim 10

The water filter recited in claim 7 including: a back wash hose having a snap bushing on one end thereof connectable to one of said couplers attached to said second T connector and a snap coupler on the opposite end connectable to said diverter valve for supplying water from said water outlet to back wash the water filter; and a waste water hose having a snap bushing on one end thereof connectable to one of said couplers attached to said first T connector for receiving waste water when said water filter is back washed.

Claim 11

The water filter recited in claim 6 including a filter cloth enclosing said lateral line wherein water that passes through said lateral line also passes through said filter cloth.

Claim 12

The water filter recited in claim 6 wherein said return line is positioned along the axis of said housing and passes through the center of said baffle plate and through the center of said first end.

Claim 13

The water filter recited in claim 6 including a cylindrical base connected to an end of said housing for supporting said housing in an upstanding position, said return line and said inlet line passing through the wall of said base and entering said housing from within said base.

Claim 14

The water filter recited in claim 6 wherein said filter medium is powdered charcoal.

Claim 15

The water filter recited in claim 6 wherein said housing comprises a plurality of individually molded sections which are joined together to form said housing as an integral unit.

Claim 16

A water filter comprising: an elongate closed housing comprising two opposed end sections and at least one cylindrical tublar intermediate section; tubular liner means disposed in sleeved relationship within said intermediate section; a first baffle plate secured transversely within said housing by said liner means and one of said sections of said housing, said first baffle plate defining within said housing a first chamber bounded by said first end and said first baffle plate, said first baffle plate having a plurality of passages extending therethrough to provide fluid passage through said first baffle plate; a second baffle plate secured transversely within said housing by said liner means and one of said sections proximate a second end thereof and opposite said first end, said second baffle plate defining within said housing a second chamber bounded by said first and second baffle plates and a third chamber bounded by said second end and said second baffle plate, said second baffle plate having a plurality of passages extending therethrough to provide fluid passage through said second baffle plate; an inlet line passing through said housing into said first chamber for receiving water provided to the water filter; a return line passing through said housing into said first chamber, through said first baffle plate into said second chamber and through said second baffle plate into said third chamber; at least one lateral line coupled to the end of said return line within said third chamber, said lateral line having a plurality of openings for passing water therethrough; and a filtering medium substantially filling said second chamber.

Claim 17

A water filter comprising: an elongate closed housing comprising two opposed end sections and at least one cylindrical tublar intermediate section; tubular liner means disposed in sleeved relationship within said intermediate section; a first baffle plate secured transversely within said housing by said liner means and one of said sections of said housing, said first baffle plate defining within said housing a first chamber bounded by said first end and said first baffle plate, said first baffle plate having a plurality of passages extending therethrough to provide fluid passage through said first baffle plate; a second baffle plate secured transversely within said housing by said liner means and one of said sections proximate a second end thereof and opposite said first end, said second baffle plate defining within said housing a second chamber bounded by said first and second baffle plates and a third chamber bounded by said second end and said second baffle plate, said second baffle plate having a plurality of passages extending therethrough to provide fluid passage through said second baffle plate; an inlet line passing through said housing into said first chamber for receiving water provided to the water filter; a return line passing through said housing into said first chamber, through said first baffle plate into said second chamber and through said second baffle plate into said third chamber; at least one lateral line coupled to the end of said return line within said third chamber, said lateral line having a plurality of openings for passing water therethrough; and a filtering medium substantially filling said second chamber.

Claim 18

The water filter recited in claim 14 including a lateral line head connected to the end of said return line within said third chamber and a plurality of said lateral lines are connected to said head and are positioned transverse to the axis of said housing.

Claim 19

The water filter recited in claim 14 including a filter cloth for each of said lateral lines, said filter cloths enclosing said lateral lines wherein water that passes through one of said lateral lines also passes through one of said filter cloths.

Claim 20

The water filter recited in claim 14 wherein said return line is positioned along the axis of said housing and passes through the centers of said baffle plate and the center of said first end of said housing.

Claim 21

The water filter recited in claim 14 including a cylindrical base connected to an end of said housing for supporting said housing in an upstanding position, said return line and said inlet line passing through the wall of said base and entering said housing from within said base.

Claim 22

The water filter recited in clam 14 wherein said filter medium is powdered charcoal.

Claim 23

The water filter recited in clam 14 wherein said filter medium is powdered charcoal.

Claim 24

The water filter recited in claim 14 wherein said housing comprises a plurality of individually molded sections which are joined together to form said housing as an integral unit.

Claim 25

A water filter comprising: an elongate, cylindrical closed housing, said housing comprising first and second molded plastic sections each having a closed end and an open end, said open ends of said housing sections facing each other; a cylindrical liner extending within said housing sections in sleeved relationship thereto and extending across the interface of the open ends of said first and second housing sections, said housing sections each further including an outward extending flange, said flanges having a plurality of holes therein, said housing sections being secured together with bolts extending through said holes and further including O-rings positioned between said sections and said liner for sealing said housing; a baffle plate secured transversly within said housing and separating the interior of said housing into a first smaller chamber and a second larger chamber, said baffle plate having a plurality of passages extending therethrough; an inlet line passing through said housing into said first chamber for receiving water provided to the water filter; a return line passing through said housing into said first chamber, through said baffle plate and extending into said second chamber; a lateral line head connected to the end of said return line within said second chamber; a plurality of lateral lines connected to said lateral line head and extending transverse to the axis of said housing; and a filtering medium substantially filling said second chamber.

Claim 26

A water filter comprising: an elongate, cylindrical closed housing, said housing comprising first and second molded plastic sections each having a closed end and an open end, said open ends of said housing sections facing each other; a cylindrical liner extending within said housing sections in sleeved relationship thereto and extending across the interface of the open ends of said first and second housing sections, said housing sections each further including an outward extending flange, said flanges having a plurality of holes therein, said housing sections being secured together with bolts extending through said holes and further including O-rings positioned between said sections and said liner for sealing said housing; a baffle plate secured transversly within said housing and separating the interior of said housing into a first smaller chamber and a second larger chamber, said baffle plate having a plurality of passages extending therethrough; an inlet line passing through said housing into said first chamber for receiving water provided to the water filter; a return line passing through said housing into said first chamber, through said baffle plate and extending into said second chamber; a lateral line head connected to the end of said return line within said second chamber; a plurality of lateral lines connected to said lateral line head and extending transverse to the axis of said housing; and a filtering medium substantially filling said second chamber.

Claim 27

The water filter recited in claim 21 including a filter cloth for each of said lateral lines, said filter cloths enclosing said lateral lines wherein water that passes through one of said lateral lines also passes through one of said filter cloths.

Claim 28

The water filter recited in claim 21 wherein said return line is positioned along the axis of said housing and passes through the center of said baffle plate and the center of said first end of said housing.

Claim 29

The water filter recited in claim 21 including a cylindrical base connected to an end of said housing for supporting said housing in an upstanding position, said return line and said inlet line passing through the wall of said base and entering said housing from within said base.

Claim 30

The water filter recited in claim 21 wherein said filter medium is powered charcoal.

Claim 31

A water filter, comprising: an elongate, closed housing; a baffle plate secured transversely within said housing and separating the interior of said housing into a first smaller chamber and a second larger chamber, said baffle plate having a plurality of passages extending therethrough; an inlet line passing through said housing into said first chamber for receiving water provided to the water filter; a return line passing through said housing into said first chamber, through said baffle plate and extending into a region of said second chamber opposite said baffle plate; a first self closing snap coupler connected to the end of said inlet line external to said housing; a second self closing coupler connected to the end of said return line external to said housing; a lateral line connected to the end of said return line within said second chamber, said lateral line having a plurality of openings for passing water therethrough; and a filtering medium substantially filling said second chamber.

Claim 32

A water filter, comprising: an elongate, closed housing; a baffle plate secured transversely within said housing and separating the interior of said housing into a first smaller chamber and a second larger chamber, said baffle plate having a plurality of passages extending therethrough; an inlet line passing through said housing into said first chamber for receiving water provided to the water filter; a return line passing through said housing into said first chamber, through said baffle plate and extending into a region of said second chamber opposite said baffle plate; a first self closing snap coupler connected to the end of said inlet line external to said housing; a second self closing coupler connected to the end of said return line external to said housing; a lateral line connected to the end of said return line within said second chamber, said lateral line having a plurality of openings for passing water therethrough; and a filtering medium substantially filling said second chamber.

Claim 33

The water filter recited in claim 26 including: a back wash hose having a snap bushing at one end thereof connectable to said second snap coupling for providing water to back wash the water filter; and a waste water hose having a snap bushing at one end thereof connectable to said first snap coupler for receiving waste water from the water filter when the water filter is back washed.

Claim 34

The water filter recited in claim 26 further including a filter cloth enclosing said lateral lines wherein water that passes through said lateral line also passes through said filter cloth.

Claim 35

The water filter recited in claim 26 wherein said return line is positioned along the axis of said housing, and passes through the center of said baffle plate and the center of an end of said housing defining said first chamber.

Claim 36

The water filter recited in claim 26 further including a cylindrical base connected to an end of said housing for supporting said housing in an upstanding position, said return line and said inlet line passing through the wall of said base and entering said housing from within said base.

Claim 37

The water filter recited in claim 26 wherein said filter medium is powdered charcoal.

Claim 38

The water filter recited in claim 26 wherein said housing comprises a plurality of individually molded sections which are joined together to form said housing as an integral unit.