US4803189A — Catalyst carrier of metallic honeycomb having a s…

Claim 1

Independent Claim 65 words

Catalyst carrier body, comprising layers of textured curved metal sheets through which a fluid can flow, a jacket in which said curved metal sheets are disposed, and at least one supporting wall disposed inside and firmly joined to said jacket forming a supporting structure inside the body, at least some of said curved metal sheets being individually secured to said at least one supporting wall.

Claim 2

Dependent Claim 65 words

Catalyst carrier body, comprising layers of textured curved metal sheets through which a fluid can flow, a jacket in which said curved metal sheets are disposed, and at least one supporting wall disposed inside and firmly joined to said jacket forming a supporting structure inside the body, at least some of said curved metal sheets being individually secured to said at least one supporting wall.

Claim 3

Dependent Claim 15 words

Catalyst carrier body according to claim 1, wherein said curved metal sheets are wound together.

Claim 4

Dependent Claim 14 words

Catalyst carrier body according to claim 1, wherein said curved metal sheets are bent.

Claim 5

Dependent Claim 15 words

Catalyst carrier body according to claim 1, wherein said jacket is divided into partial segments.

Claim 6

Dependent Claim 92 words

Catalyst carrier body, comprising layers of textured curved metal sheets through which a fluid can flow, a jacket in which said curved metal sheets are disposed, at least one supporting wall disposed in and firmly joined to said jacket forming a supporting structure for the body, said curved metal sheets being individually secured to said at least one supporting wall for absorbing radial expansions of said supporting structure through changes in the curvature of said sheets, and expansion seams between said curved metal sheets for absorbing radial expansions of said supporting structure.

Claim 7

Dependent Claim 92 words

Catalyst carrier body, comprising layers of textured curved metal sheets through which a fluid can flow, a jacket in which said curved metal sheets are disposed, at least one supporting wall disposed in and firmly joined to said jacket forming a supporting structure for the body, said curved metal sheets being individually secured to said at least one supporting wall for absorbing radial expansions of said supporting structure through changes in the curvature of said sheets, and expansion seams between said curved metal sheets for absorbing radial expansions of said supporting structure.

Claim 8

Dependent Claim 104 words

Catalyst carrier body, comprising layers of textured curved metal sheets through which a fluid can flow, a jacket in which said curved metal sheets are disposed, at least one supporting wall disposed in and firmly joined to said jacket forming a supporting structure for the body, said curved metal sheets being individually secured to said at least one supporting wall for absorbing radial expansions of said supporting structure through changes in the curvature of said sheets, and said jacket being divided into partial segments having expansion seams between said partial segments and said curved metal sheets for absorbing radial expansions of said supporting structure.

Claim 9

Dependent Claim 104 words

Catalyst carrier body, comprising layers of textured curved metal sheets through which a fluid can flow, a jacket in which said curved metal sheets are disposed, at least one supporting wall disposed in and firmly joined to said jacket forming a supporting structure for the body, said curved metal sheets being individually secured to said at least one supporting wall for absorbing radial expansions of said supporting structure through changes in the curvature of said sheets, and said jacket being divided into partial segments having expansion seams between said partial segments and said curved metal sheets for absorbing radial expansions of said supporting structure.

Claim 10

Dependent Claim 36 words

Catalyst carrier body according to claim 1, wherein said a curved metal sheets are joined together to form composite bodies, and including expansion seams between said composite bodies for absorbing radial expansions of said supporting structure.

Claim 11

Dependent Claim 65 words

Honeycomb body, comprising layers of textured curved metal sheets through which a fluid can flow, a jacket in which said curved metal sheets are disposed, and at least one supporting wall disposed inside and firmly joined to said jacket forming a supporting structure inside the body, at least some of said curved metal sheets being individually secured to said at least one supporting wall for.

Claim 12

Dependent Claim 65 words

Honeycomb body, comprising layers of textured curved metal sheets through which a fluid can flow, a jacket in which said curved metal sheets are disposed, and at least one supporting wall disposed inside and firmly joined to said jacket forming a supporting structure inside the body, at least some of said curved metal sheets being individually secured to said at least one supporting wall for.

Claim 13

Dependent Claim 28 words

Catalyst carrier body according to claim 1, wherein said jacket has a given axial length, and said supporting walls extend over a portion of said given axial length.

Claim 14

Dependent Claim 29 words

Catalyst carrier body according to claim 1, wherein said jacket has a given diameter, and said supporting walls extend in radial direction over a portion of said given diameter.

Claim 15

Dependent Claim 50 words

Catalyst carrier body according to claim 1, wherein said curved metal sheets are spirally wound and are joined to one another at least in some regions thereof to form a composite body, and said at least one supporting wall produces a single connection between said jacket and said composite body.

Claim 16

Dependent Claim 58 words

Catalyst carrier body according to claim 1, wherein the fluid flows through said layers of curved metal sheets in a given direction, said sheets contact said supporting structure at given points of contact, and said sheets have slits formed therein substantially at right angles to said given flow direction in the vicinity of said given points of contact.

Claim 17

Dependent Claim 28 words

Catalyst carrier body according to claim 1, wherein all of said sheets have a U, V or circular segment-shape and have ends each being joined to said jacket.

Claim 18

Dependent Claim 32 words

Catalyst carrier body according to claim 1, wherein all of said sheets have a U, V or circular segment-shape and have ends each being joined to said at least one supporting wall.

Claim 19

Dependent Claim 16 words

Catalyst carrier body according to claim 1, wherein said curved sheets have legs with different lengths.

Claim 20

Dependent Claim 27 words

Catalyst carrier body according to claim 1, wherein said at least one supporting wall divides said jacket and said curved sheets into at least two independent segments.

Claim 21

Dependent Claim 30 words

Catalyst carrier body according to claim 1, wherein said at least one supporting wall joined to said jacket is in the form of means for stabilizing said jacket against deformation.

Claim 22

Dependent Claim 39 words

Catalyst carrier body according to claim 1, wherein said layers of said curved sheets are bent in a substantially U or V-shape defining two ends each being secured on the same side of said at least one supporting wall.

Claim 23

Dependent Claim 45 words

Catalyst carrier body according to claim 1, wherein said jacket is divided into sections, and said layers of said curved sheets are bent in a substantially U or V-shape defining two ends each being secured on the same side of one of said jacket sections.

Claim 24

Dependent Claim 37 words

Catalyst carrier body according to claim 1, wherein said layers of said curved sheets are curved into a substantially closed shape having two ends each being secured to different sides of said at least one supporting wall.

Claim 25

Dependent Claim 57 words

Catalyst carrier body according to claim 1, wherein said at least one supporting wall is in the form of a plurality of supporting walls, and at least one of said layers of said curved sheets is curved from one of said supporting walls to another of said supporting walls and has ends secured to said supporting walls.

Claim 26

Dependent Claim 27 words

Catalyst carrier body according to claim 1, wherein said curved sheets of said layers are secured to said at least one supporting wall by a form-locking connection.

Claim 27

Dependent Claim 29 words

Catalyst carrier body according to claim 1, wherein said curved sheets of said layers are secured to said at least one supporting wall by a brazed or welded connection.

Claim 28

Dependent Claim 32 words

Catalyst carrier body according to claim 22, wherein said at least one supporting wall has protrusions formed thereon and grooves formed therein, forming said form-locking connections with said sheets of said layers.

Claim 29

Dependent Claim 30 words

Catalyst carrier body according to claim 24, wherein said protrusions and said grooves extend substantially at right angles to said sheets of said layers containing said protrusions and said grooves.

Claim 30

Dependent Claim 35 words

Catalyst carrier body according to claim 22, wherein said at least one supporting wall has at least one welded seam including said sheets of said layers in contact with said at least one supporting wall.

Claim 31

Dependent Claim 49 words

Catalyst carrier body according to claim 22, wherein said at least one supporting wall has at least one welded seam including said sheets of said layers in contact with said at least one supporting wall, said welded seam having a sag at the root thereof forming a form-locking connection.

Claim 32

Dependent Claim 36 words

Catalyst carrier body according to claim 1, wherein said sheets of said layers have end surfaces with points of contact, and said sheets are at least partially brazed to one another at said points of contact.

Claim 33

Dependent Claim 45 words

Catalyst carrier body according to claim 1, wherein said at least one supporting wall is in the form of a plurality of supporting walls, including supporting walls located inside said jacket and accessible from outside said jacket being at least partly butted and joined together.

Claim 34

Dependent Claim 45 words

Catalyst carrier body according to claim 1, wherein said at least one supporting wall is in the form of a plurality of supporting walls, including supporting walls located inside said jacket and accessible from outside said jacket being at least partly butted and welded together.

Claim 35

Dependent Claim 43 words

Catalyst carrier body according to claim 1, wherein said jacket and said layers of curved sheets are formed of at least two segments, said segments each being in the form of at least one different spirally-wound cut-apart blank combined in a different manner.

Claim 36

Dependent Claim 17 words

Catalyst carrier body according to claim 31, wherein said blanks are flattened and said segments are deformed.

Claim 37

Dependent Claim 30 words

Catalyst carrier body according to claim 1, wherein at least some of said sheets of said layers are shifted relative to one another in telescoping fashion forming conical end surfaces.

Claim 38

Dependent Claim 27 words

Catalyst carrier body according to claim 31, wherein at least some of said segments are shifted relative to one another in telescoping fashion forming conical end surfaces.

Claim 39

Dependent Claim 103 words

Method for producing a catalyst carrier body, which comprises: (a) spirally winding layers of textured metal sheets within a carrier body blank; (b) dividing the blank into segments with a cutting instrument forming parting surfaces; (c) contacting and individually securing the ends of at least some of the sheets of the layers at the parting surfaces with a supporting wall; (d) assembling at least two of the segments into a catalyst carrier body with supporting walls disposed inside the catalyst carrier body; and (e) firmly attaching the segments to each other with supporting walls forming a supporting structure for the catalyst carrier body.

Claim 40

Dependent Claim 103 words

Method for producing a catalyst carrier body, which comprises: (a) spirally winding layers of textured metal sheets within a carrier body blank; (b) dividing the blank into segments with a cutting instrument forming parting surfaces; (c) contacting and individually securing the ends of at least some of the sheets of the layers at the parting surfaces with a supporting wall; (d) assembling at least two of the segments into a catalyst carrier body with supporting walls disposed inside the catalyst carrier body; and (e) firmly attaching the segments to each other with supporting walls forming a supporting structure for the catalyst carrier body.

Claim 41

Dependent Claim 16 words

Method according to claim 35, which comprises slitting the blank open to form the parting surfaces.

Claim 42

Dependent Claim 15 words

Method according to claim 35, which comprises grinding, smoothing, sizing and shaping the parting surfaces.

Claim 43

Dependent Claim 11 words

Method according to claim 35, which comprises telescoping the parting surfaces.

Claim 44

Dependent Claim 23 words

Method according to claim 35, which comprises combining the segments into a body having the same shape as originally or a different shape.

Claim 45

Dependent Claim 13 words

Method according to claim 35, which comprises deforming the sheets of the layers.

Claim 46

Dependent Claim 11 words

Method according to claim 35, which comprises deforming the supporting wall.

Claim 47

Dependent Claim 56 words

Method according to claim 35, which comprises: (a) flattening the cross section of the blank; (b) cutting the blank apart during the dividing step into two segments along an arbitrary cutting line in accordance with a desired final shape; and (c) joining the outsides of the supporting wall to a half shell serving as the jacket.

Claim 48

Dependent Claim 27 words

Method according to claim 42, which comprises contacting and joining each end of each sheet of the layers at the parting surfaces with a respective supporting wall.

Claim 49

Dependent Claim 44 words

Method according to claim 42, which comprises: (a) dividing the jacket into two calibrated half shells; (b) surrounding the blank with the two half shells with a precise fit prior to dividing the blank; and (c) firmly retaining the innermost layer with retaining clamps.

Claim 50

Dependent Claim 36 words

Method according to claim 42, which comprises assembling the segments with the supporting walls thereof into the body by combining segments of blanks of different sizes or shapes into new shapes, and joining the segments together.

Claim 51

Dependent Claim 68 words

Method according to claim 35, which comprises: (a) slitting the blank open at least once substantially at right angles to the direction of the layers: (b) enlarging each slit by inserting a supporting wall folded into a V: (c) firmly connecting the supporting wall; (d) closing the slit at at as soon as the jacket tube is attached; and (e) joining the supporting wall to the jacket tube.

Claim 52

Dependent Claim 29 words

Method according to claim 46, which comprises placing two surfaces of the supporting wall against each other, and joining the two surfaces of the supporting wall to one another.

Claim 53

Dependent Claim 23 words

Method according to claim 46, which comprises carrying out the step of firmly connecting the supporting wall by welding, laser welding or brazing.

Claim 54

Dependent Claim 31 words

Method according to claim 46, which comprises carrying out the step of firmly connecting the supporting wall by inserting a hot mandrel into the open side of the V-shaped supporting wall.

Claim 55

Dependent Claim 21 words

Method according to claim 46, which comprises carrying out the step of firmly connecting the supporting wall with a form-locking connection.

Claim 56

Dependent Claim 17 words

Catalyst carrier body according to claim 1, wherein some of said sheets are connected to each other.

Claim 57

Dependent Claim 17 words

Catalyst carrier body according to claim 8, wherein some of said sheets are connected to each other.

Claim 58

Dependent Claim 17 words

Catalyst carrier body according to claim 1, wherein some of said sheets are connected to said jacket.

Claim 59

Dependent Claim 17 words

Catalyst carrier body according to claim 8, wherein some of said sheets are connected to said jacket.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1992-02-07	1992-08-08	1993-02-07	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1996-02-07	1996-08-08	1997-02-07	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2000-02-07	2000-08-08	2001-02-07	$7700.00	Window Closed / Lapsed

Catalyst carrier of metallic honeycomb having a supporting wall and a method for producing the same

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