Dynamic ring classifier for a coal pulverizer

- Riley Power, Inc.
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Description

FIG. 1 is a perspective view of a classifier assembly according to an embodiment of the present invention.

FIG. 2 is a rear view of the classifier assembly of FIG. 1, illustrating the adjustable flange, radially outward extending elongate arms, rotator and stator.

FIG. 3 is a section of the stator and rotator portions of the classifier assembly of FIG. 1 within an enlarged partial detailed view, illustrating the labyrinth seal formed by the stator and rotator; and,

FIG. 4 is a section of the stator and rotator portions of the classifier assembly of FIG. 1 within an enlarged partial detailed view, illustrating the stator and rotator in cross section forming a labyrinthian seal.

The broken lines showing are for illustrative purposes only, to show the environment of the dynamic ring classifier in a coal pulverizer, and form no part of the claimed design.

Claims

The ornamental design for a dynamic ring classifier for a coal pulverizer, as shown and described in the attached specification.

Referenced Cited
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Other references
  • L.M. Benson, C.A. Penterson, A. Comparison of Three Types of Coal Pulverizers, Presented to American Power Conference, Chicago, Illinois, Apr. 22-24, 1985, (8 pages, Riley Stoker Corporation, Worcester, Mass).
Patent History
Patent number: D575807
Type: Grant
Filed: Jul 2, 2007
Date of Patent: Aug 26, 2008
Assignee: Riley Power, Inc. (Worcester, MA)
Inventors: Qingsheng Lin (Holden, MA), Craig A. Penterson (Sutton, MA), Daniel P. Smith (Spencer, MA), Richard N. Du Verger (Danielson, CT)
Primary Examiner: Sandra Snapp
Assistant Examiner: Patricia Palasik
Attorney: Edwards Angell Palmer & Dodge LLP
Application Number: 29/289,038
Classifications
Current U.S. Class: Deforming Or Crushing (includes Element) (5) (D15/123)