US4006855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separator worm feed auger and wear plates
Assignee: Kloeckner Humboldt Deutz AG
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Filing: 1975-10-23
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Granted: 1977-02-08
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Expires: 1995-10-23
Abstract
Abstract A centrifugal separator having a rotating chamber with a material advancing structure within the chamber including a spirally shaped carrier vane arranged coaxially within the chamber and supported on a rotatable driving shaft driven in rotation at a speed different than the chamber with a spirally shaped wear plate supported on the vane having an outer edge radially outwardly of the vane with a mounting face extending radially alongside a radial face of the carrier vane and a mounting piece secured to the mounting face of the carrier vane with means securing the wear plate to the mounting piece such as bevelled radially facing circumferentially extending interlock surfaces between a channel of the wear plate and the mounting piece and a tangentially or circumferentially inserted locking element extending between the radial outer surface of the mounting piece or the carrier vane for carrying the wear plate so that it will not tilt on the carrier vane.
Inventors
- 👤 Konrad Merzenich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:55
CPC Classifications
B; B04; B04B; B04B1/00; B04B1/20; B04B1/2008; B04B2001/2058
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
146 words
In a centrifugal separator having a rotating chamber, a material advancing structure within the chamber comprising: a spirally shaped carrier vane arranged coaxially within the chamber supported on a rotatable driving shaft; a spirally shaped wear plate supported on the vane with an edge radially outwardly of the vane and a mounting face extending radially alongside of a radial face of the carrier vane; a mounting piece secured to said mounting face of the carrier vane; and mechanically releasable means securing said wear plate to the mounting piece so that the wear plate will not tilt on the carrier vane; said securing means including a first locking surface on one of said carrier vane and mounting piece and a second locking surface on said wear plate, and a removable locking element between said surfaces with said locking element being removable for replacement of the wear plate.
Claim 2
Dependent Claim
146 words
In a centrifugal separator having a rotating chamber, a material advancing structure within the chamber comprising: a spirally shaped carrier vane arranged coaxially within the chamber supported on a rotatable driving shaft; a spirally shaped wear plate supported on the vane with an edge radially outwardly of the vane and a mounting face extending radially alongside of a radial face of the carrier vane; a mounting piece secured to said mounting face of the carrier vane; and mechanically releasable means securing said wear plate to the mounting piece so that the wear plate will not tilt on the carrier vane; said securing means including a first locking surface on one of said carrier vane and mounting piece and a second locking surface on said wear plate, and a removable locking element between said surfaces with said locking element being removable for replacement of the wear plate.
Claim 3
Dependent Claim
76 words
In a centrifugal separator having a rotating chamber, a material advancing structure within the chamber in accordance with claim 1: including an axially facing channel in said mounting face of the wear plate having a radial depth for fitting closely over said mounting piece with said locking element of said securing means positioned between the inner surface of said channel and said mounting piece on a radial facing edge of said mounting piece and said channel.
Claim 4
Dependent Claim
48 words
In a centrifugal separator having a rotating chamber, a material advancing structure within the chamber in accordance with claim 2: wherein said locking element of the securing means is in the form of a cylindrical rod extending in a circumferential direction between said channel and said mounting piece.
Claim 5
Dependent Claim
37 words
In a centrifugal separator having a rotating chamber, a material advancing structure within the chamber in accordance with claim 2: wherein said locking element of said securing means is in the form of a solidified plastic material.
Claim 6
Dependent Claim
64 words
In a centrifugal separator having a rotating chamber, a material advancing structure within the chamber in accordance with claim 2: wherein said securing means includes a first locking element on the radial inner side of said mounting piece and includes a second locking element on the radial outer side of said mounting piece with each element securing the wear plate to the mounting piece.
Claim 7
Dependent Claim
100 words
In a centrifugal separator having a rotating chamber, a material advancing structure within the chamber in accordance with claim 1: wherein said mounting face of the wear plate has an axially facing channel with the radial inner edge of the channel being bevelled and the radial inner edge of said mounting piece being coactingly bevelled to lock against the edge of the channel and said locking element of said securing means holding said wear plate outwardly in a radial direction for holding the radial inner surface of the mounting piece in locking engagement with said channel of the wear plate.
Claim 8
Dependent Claim
57 words
In a centrifugal separator having a rotating chamber, a material advancing structure within the chamber in accordance with claim 1: wherein said wear plate has a channel fully receiving the mounting piece enclosing and protecting said mounting piece from an axial and radial direction with said mounting piece having an absence of surfaces exposed to the chamber.
Claim 9
Dependent Claim
49 words
In a centrifugal separator having a rotating chamber, a material advance structure within the chamber in accordance with claim 1: wherein said securing means includes circumferentially spaced gaps in an overhanging portion of said wear plate providing circumferential access to said locking surfaces for insertion of said locking element.
Claim 10
Dependent Claim
38 words
In a centrifugal separator having a rotating chamber, a material advancing structure within the chamber in accordance with claim 1: including an opening in said wear plate leading to said locking surfaces for insertion of the locking means.
Claim 11
Dependent Claim
32 words
In a centrifugal separator having a rotating chamber, a material advancing structure within the chamber in accordance with claim 9: wherein said opening extends in a radial direction through the wear plate.
Claim 12
Dependent Claim
32 words
In a centrifugal separator having a rotating chamber, a material advancing structure within the chamber in accordance with claim 9: wherein said opening extends in an axial direction through the wear plate.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-02-08 | 1980-08-09 | 1981-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-02-08 | 1984-08-09 | 1985-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-02-08 | 1988-08-09 | 1989-02-08 | $7700.00 | Window Closed / Lapsed |