Dual cross-flow canister

Claim 2

A CONTAINER OR CANISTER FOR CONNECTION INTO THE EXHAUST STREAM OF AN ENGINE AND FOR POSITIONING A CATALYST SUPPORT IN SAID STREAM COMPRISING , IN COMBINATION,

Claim 3

A CASING CONTAINING AND HOLDING A CATALYST SUPPORT, SAID CASING HAVING TWO PARTS, A COVER AND A BASE, SAID COVER AND SAID BASE MATING AND BEING JOINED AT RESPECTIVE PERIPHERALLY FLANGED RECTANGULAR OPENINGS, A. SAID BASE HAVING

Claim 4

A CASING CONTAINING AND HOLDING A CATALYST SUPPORT, SAID CASING HAVING TWO PARTS, A COVER AND A BASE, SAID COVER AND SAID BASE MATING AND BEING JOINED AT RESPECTIVE PERIPHERALLY FLANGED RECTANGULAR OPENINGS, A. SAID BASE HAVING

Claim 5

RIGHT ANGULAR END PIECES HAVING THR RIGHT ANGLE AT THR APEX, THR HYPOTENUSES MATING WITH THR TRIANGULAR SUPPE

Claim 6

RIGHT ANGULAR END PIECES HAVING THR RIGHT ANGLE AT THR APEX, THR HYPOTENUSES MATING WITH THR TRIANGULAR SUPPE

Claim 7

A ROUNDED BOTTOM WITH EXTENDED SIDES EXTENDED TOWARD A FIRST PAIR OF OPPOSITE SIDES OF THE RECTANGULAR OPENING OF SAID BASE, SAID BASE HAVING GENERALLY SEMICIRCULARLY SHAPED END MEMBERS ATTACHED TO SAID ROUNDED BOTTOM WITH EXTENDED SIDE WALLS EXTENDED TOWARD THE SECOND PAIR OF OPPOSITE SIDES OF THE REACTANGULAR OPENING OF SAID BASE, SAID ROUNDED BOTTOM, SAID END MEMBERS AND SAID EXTENDED SAIDES FORMING A PLENUM SPACE, THE PORTION OF THE EXTENDED SIDES OF THE ROUNDED BOTTOM ADJACENT TO SAID FIRST PAIR OF OPPOSITE SIDES OF SAID PERIPHERALLY FLANGED OPENING BEING SHAPED TO PROVIDE LOWER CROSS RAILS;

Claim 8

A ROUNDED BOTTOM WITH EXTENDED SIDES EXTENDED TOWARD A FIRST PAIR OF OPPOSITE SIDES OF THE RECTANGULAR OPENING OF SAID BASE, SAID BASE HAVING GENERALLY SEMICIRCULARLY SHAPED END MEMBERS ATTACHED TO SAID ROUNDED BOTTOM WITH EXTENDED SIDE WALLS EXTENDED TOWARD THE SECOND PAIR OF OPPOSITE SIDES OF THE REACTANGULAR OPENING OF SAID BASE, SAID ROUNDED BOTTOM, SAID END MEMBERS AND SAID EXTENDED SAIDES FORMING A PLENUM SPACE, THE PORTION OF THE EXTENDED SIDES OF THE ROUNDED BOTTOM ADJACENT TO SAID FIRST PAIR OF OPPOSITE SIDES OF SAID PERIPHERALLY FLANGED OPENING BEING SHAPED TO PROVIDE LOWER CROSS RAILS;

Claim 9

SAID END MEMBERS COMPRISING RIGHT-TRIANGULAR SUPPORT FRAMES, SAID SUPPORT FRAMES HAVING EQUAL SIDES MEETING AT A RIGHT ANGLE, SAID RIGHT ANGLE BEING LOCATED NEAR THE ROUNDED BOTTOM OF SAID BASE, THE HYPOTENUSES OF SAID SUPPORT FRAMES FORMING THE TOP EDGES OF SAID END MEMBERS WHICH HYPOTENUSES ARE THE SECOND PAIR OF OPPOSITE SIDES OF THE RECTANGULAR OPENING OF SAID BASE AND THE EQUAL SIDES OF SAID SUPPORT FRAMES FORMING SIDE RAILS;

Claim 10

SAID END MEMBERS COMPRISING RIGHT-TRIANGULAR SUPPORT FRAMES, SAID SUPPORT FRAMES HAVING EQUAL SIDES MEETING AT A RIGHT ANGLE, SAID RIGHT ANGLE BEING LOCATED NEAR THE ROUNDED BOTTOM OF SAID BASE, THE HYPOTENUSES OF SAID SUPPORT FRAMES FORMING THE TOP EDGES OF SAID END MEMBERS WHICH HYPOTENUSES ARE THE SECOND PAIR OF OPPOSITE SIDES OF THE RECTANGULAR OPENING OF SAID BASE AND THE EQUAL SIDES OF SAID SUPPORT FRAMES FORMING SIDE RAILS;

Claim 11

A RIDGE CONNECTING THR RIGHT ANGLES OF SAID RIGHT-TRIANGULAR END PIECE AND FORMING AN INTERNAL ANGLE THEREBETWEEN;

Claim 12

A RIDGE CONNECTING THR RIGHT ANGLES OF SAID RIGHT-TRIANGULAR END PIECE AND FORMING AN INTERNAL ANGLE THEREBETWEEN;

Claim 13

a ridge connecting the right angles of said right-triangular end pieces and forming an internal angle therebetween;

Claim 14

a ridge connecting the right angles of said right-triangular end pieces and forming an internal angle therebetween;

Claim 15

said end members comprising right-triangular support frames, said support frames having equal sides meeting at a right angle, said right angle being located near the rounded bottom of said base, the hypotenuses of said support frames forming the top edges of said end members which hypotenuses are the second pair of opposite sides of the rectangular opening of said base and the equal sides of said support frames forming side rails;

Claim 16

said end members comprising right-triangular support frames, said support frames having equal sides meeting at a right angle, said right angle being located near the rounded bottom of said base, the hypotenuses of said support frames forming the top edges of said end members which hypotenuses are the second pair of opposite sides of the rectangular opening of said base and the equal sides of said support frames forming side rails;

Claim 17

A container or canister according to claim 1 additionally comprising a venturi baffle upstream of the air inlet.

Claim 18

cross rails connecting the acute angles of said triangular end pieces and

Claim 19

cross rails connecting the acute angles of said triangular end pieces and

Claim 20

an air inlet manifold and air inlets along the rounded bottom of said base at its deepest part for admitting air into the said plenum space and

Claim 21

an air inlet manifold and air inlets along the rounded bottom of said base at its deepest part for admitting air into the said plenum space and

Claim 22

CROSS RAILS CONNECTING THE ACUTE ANGLES OF SAID TRIANGULAR END PIECES AND

Claim 23

CROSS RAILS CONNECTING THE ACUTE ANGLES OF SAID TRIANGULAR END PIECES AND

Claim 24

AN AIR INLET MANIFOLD AND AIR INLETS ALONG THE ROUNDED BOTTOM OF SAID BASE AT ITS DEEPEST PART FOR ADMITTING AIR INTO THE SAID PLENUM SPACE AND

Claim 25

AN AIR INLET MANIFOLD AND AIR INLETS ALONG THE ROUNDED BOTTOM OF SAID BASE AT ITS DEEPEST PART FOR ADMITTING AIR INTO THE SAID PLENUM SPACE AND

Claim 26

AN ANGLE SUPPORT MEMBER ABOVE SAID AIR INLETS CONNECTING THE RIGHT ANGLES OF SAID SUPPORT FRAMES; B. SAID COVER HAVING

Claim 27

AN ANGLE SUPPORT MEMBER ABOVE SAID AIR INLETS CONNECTING THE RIGHT ANGLES OF SAID SUPPORT FRAMES; B. SAID COVER HAVING

Claim 28

an angle support member above said air inlets connecting the right angles of said support frames; B. said cover having

Claim 29

an angle support member above said air inlets connecting the right angles of said support frames; B. said cover having

Claim 30

SIDE RAILS THR SIDES OF SAID TRIANGULAR END PIECE BETWEEN SAID RIDGE AND SAID CROSS RAILS,

Claim 31

SIDE RAILS THR SIDES OF SAID TRIANGULAR END PIECE BETWEEN SAID RIDGE AND SAID CROSS RAILS,

Claim 32

side rails along the sides of said triangular end pieces between said ridge and said cross rails,

Claim 33

side rails along the sides of said triangular end pieces between said ridge and said cross rails,

Claim 34

first manifolding means parallel to and along one side of said ridge and lengthwise of said cover connecting to said ridge, side rails and cross rail with inlet port for inlet of said exhaust stream at one end and

Claim 35

first manifolding means parallel to and along one side of said ridge and lengthwise of said cover connecting to said ridge, side rails and cross rail with inlet port for inlet of said exhaust stream at one end and

Claim 36

FIRST MANIFOLDING MEANS PARALLEL TO AND ALONG ONE SIDE OF SAID RIDGE AND LENGTHWISE OF SAID COVER CONNECTING TO SAID RIDGE, SAID RAILS AND CROSS RAIL WITH INLET PORT FOR INLET OF SAID EXHAUST STREAM AT ONE END AND

Claim 37

FIRST MANIFOLDING MEANS PARALLEL TO AND ALONG ONE SIDE OF SAID RIDGE AND LENGTHWISE OF SAID COVER CONNECTING TO SAID RIDGE, SAID RAILS AND CROSS RAIL WITH INLET PORT FOR INLET OF SAID EXHAUST STREAM AT ONE END AND

Claim 38

SECOND MANIFOLDING MEANS PARALLEL TO AND ALONG THE OTHER SIDE OF SAID RIDGE CONNECTING TO SAID RIDGE, SIDE RAILS AND CROSS RAIL LENGTHWISE OF SAID COVER WITH OUTLET PORT FACING IN THE OPPOSITE DIRECTION TO SAID INLET PORT FOR RELEASE OF SAID EXHAUST STREAM, THE CENTERLINES OF SAID INLET AND OUTLET PORTS BEING OFFSET FROM ONE ANOTHER, II. SAID CONTAINER OR CANISTER FURTHER COMPRISING A DUAL CROSS-FLOW REFRACTORY CERAMIC CATALYST SUPPORT OF PARALLELEPIPEDAL FORM WITH LONGITUDINAL AXIS AND SQUARE CROSS-SECTION HAVING PASSAGEWAYS AT RIGHT ANGLES TO THE SAID LONGITUDINAL AXIS, SAID PASSAGEWAYS BEING IN APPROXIMATELY EQUAL GROUPS AND SAID GROUPS BEING MUTUALLY AT RIGHT ANGLES TO EACH OTHER, SAID CATALYST SUPPORT HAVING CATALYST THEREON AND BEING POSITIONED WITHIN SAID CASING WITH ITS SQUARE ENDS RESTING IN THE RIGHT-TRIANGULAR SUPPORT FRAMES OF THE END MEMBERS OF SAID BASE WITH ITS LONGITUDINAL AXIS PARALLEL TO THE FIRST PAIR OF OPPOSITE SIDES OF THE RECTANGULAR OPENING IN SAID BASE, ONE LONGITUDINAL EDGE OF SAID CATALYST SUPPORT BEING SUPPORTED FREE FROM THE OUTER WALL OF THE BASE OF SAID CASING IN THE ANGLE SUPPORT MEMBER THEREOF, TWO OPPOSITE LONGITUDINAL EDGES BEING SUPPORTED AT THE SIDES OF SAID BASE IN THE LOWER CROSS RAILS ALONG EACH SIDE OF SAID BASE AND THE FOURTH LONGITUDINAL EDGE AND THE ENDS BEING ENGAGED AND URGED INTO POSITION BY SAID RIDGE, SAID SIDE RAILS AND SAID CROSS RAILS OF SAID COVER, WITH SAID FIRST AND SECOND MANIFOLDING MEANS SECURELY POSITIONED ABOVE ADJACENT FACES OF SAID CATALYST SUPPORT, AND III. SAID CONTAINER OR CANISTER FURTHER COMPRISING RESILIENT MOUNTING MATERIAL BETWEEN SAID CATALYST SUPPORT AND THE SAID RIDGE, SAID CROSS RAILS AND SAID SIDE RAILS OF SAID COVER OF SAID CANISTER AT ALL LINES OF CONTACT THEREBETWEEN THEREBY PREVENTING BLOWBY OF GASES IN SAID EXHAUST STREAM.

Claim 39

SECOND MANIFOLDING MEANS PARALLEL TO AND ALONG THE OTHER SIDE OF SAID RIDGE CONNECTING TO SAID RIDGE, SIDE RAILS AND CROSS RAIL LENGTHWISE OF SAID COVER WITH OUTLET PORT FACING IN THE OPPOSITE DIRECTION TO SAID INLET PORT FOR RELEASE OF SAID EXHAUST STREAM, THE CENTERLINES OF SAID INLET AND OUTLET PORTS BEING OFFSET FROM ONE ANOTHER, II. SAID CONTAINER OR CANISTER FURTHER COMPRISING A DUAL CROSS-FLOW REFRACTORY CERAMIC CATALYST SUPPORT OF PARALLELEPIPEDAL FORM WITH LONGITUDINAL AXIS AND SQUARE CROSS-SECTION HAVING PASSAGEWAYS AT RIGHT ANGLES TO THE SAID LONGITUDINAL AXIS, SAID PASSAGEWAYS BEING IN APPROXIMATELY EQUAL GROUPS AND SAID GROUPS BEING MUTUALLY AT RIGHT ANGLES TO EACH OTHER, SAID CATALYST SUPPORT HAVING CATALYST THEREON AND BEING POSITIONED WITHIN SAID CASING WITH ITS SQUARE ENDS RESTING IN THE RIGHT-TRIANGULAR SUPPORT FRAMES OF THE END MEMBERS OF SAID BASE WITH ITS LONGITUDINAL AXIS PARALLEL TO THE FIRST PAIR OF OPPOSITE SIDES OF THE RECTANGULAR OPENING IN SAID BASE, ONE LONGITUDINAL EDGE OF SAID CATALYST SUPPORT BEING SUPPORTED FREE FROM THE OUTER WALL OF THE BASE OF SAID CASING IN THE ANGLE SUPPORT MEMBER THEREOF, TWO OPPOSITE LONGITUDINAL EDGES BEING SUPPORTED AT THE SIDES OF SAID BASE IN THE LOWER CROSS RAILS ALONG EACH SIDE OF SAID BASE AND THE FOURTH LONGITUDINAL EDGE AND THE ENDS BEING ENGAGED AND URGED INTO POSITION BY SAID RIDGE, SAID SIDE RAILS AND SAID CROSS RAILS OF SAID COVER, WITH SAID FIRST AND SECOND MANIFOLDING MEANS SECURELY POSITIONED ABOVE ADJACENT FACES OF SAID CATALYST SUPPORT, AND III. SAID CONTAINER OR CANISTER FURTHER COMPRISING RESILIENT MOUNTING MATERIAL BETWEEN SAID CATALYST SUPPORT AND THE SAID RIDGE, SAID CROSS RAILS AND SAID SIDE RAILS OF SAID COVER OF SAID CANISTER AT ALL LINES OF CONTACT THEREBETWEEN THEREBY PREVENTING BLOWBY OF GASES IN SAID EXHAUST STREAM.

Claim 40

second manifolding means parallel to and along the other side of said ridge connecting to said ridge, side rails and cross rail lengthwise of said cover with outlet port facing in the opposite direction to said inlet port for release of said exhaust stream, the centerlines of said inlet and outlet ports being offset from one another, II. said container or canister further comprising a dual cross-flow refractory ceramic catalyst support of parallelepipedal form with longitudinal axis and square cross-section having passageways at right angles to the said longitudinal axis, said passageways being in approximately equal groups and said groups being mutually at right angles to each other, said catalyst support having catalyst thereon and being positioned withiN said casing with its square ends resting in the right-triangular support frames of the end members of said base with its longitudinal axis parallel to the first pair of opposite sides of the rectangular opening in said base, one longitudinal edge of said catalyst support being supported free from the outer wall of the base of said casing in the angle support member thereof, two opposite longitudinal edges being supported at the sides of said base in the lower cross rails along each side of said base and the fourth longitudinal edge and the ends being engaged and urged into position by said ridge, said side rails and said cross rails of said cover, with said first and second manifolding means securely positioned above adjacent faces of said catalyst support, and III. said container or canister further comprising resilient mounting material between said catalyst support and the said ridge, said cross rails and said side rails of said cover of said canister at all lines of contact therebetween thereby preventing blowby of gases in said exhaust stream.

Claim 41

second manifolding means parallel to and along the other side of said ridge connecting to said ridge, side rails and cross rail lengthwise of said cover with outlet port facing in the opposite direction to said inlet port for release of said exhaust stream, the centerlines of said inlet and outlet ports being offset from one another, II. said container or canister further comprising a dual cross-flow refractory ceramic catalyst support of parallelepipedal form with longitudinal axis and square cross-section having passageways at right angles to the said longitudinal axis, said passageways being in approximately equal groups and said groups being mutually at right angles to each other, said catalyst support having catalyst thereon and being positioned withiN said casing with its square ends resting in the right-triangular support frames of the end members of said base with its longitudinal axis parallel to the first pair of opposite sides of the rectangular opening in said base, one longitudinal edge of said catalyst support being supported free from the outer wall of the base of said casing in the angle support member thereof, two opposite longitudinal edges being supported at the sides of said base in the lower cross rails along each side of said base and the fourth longitudinal edge and the ends being engaged and urged into position by said ridge, said side rails and said cross rails of said cover, with said first and second manifolding means securely positioned above adjacent faces of said catalyst support, and III. said container or canister further comprising resilient mounting material between said catalyst support and the said ridge, said cross rails and said side rails of said cover of said canister at all lines of contact therebetween thereby preventing blowby of gases in said exhaust stream.