USD575807S1 - Dynamic ring classifier for a coal pulverizer - Google Patents

Dynamic ring classifier for a coal pulverizer Download PDF

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Publication number
USD575807S1
USD575807S1 US29/289,038 US28903807F USD575807S US D575807 S1 USD575807 S1 US D575807S1 US 28903807 F US28903807 F US 28903807F US D575807 S USD575807 S US D575807S
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US
United States
Prior art keywords
classifier
coal pulverizer
dynamic ring
stator
rotator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US29/289,038
Inventor
Qingsheng Lin
Craig A. Penterson
Daniel P. Smith
Richard N. Du Verger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Riley Power Inc
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Riley Power Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Riley Power Inc filed Critical Riley Power Inc
Priority to US29/289,038 priority Critical patent/USD575807S1/en
Application granted granted Critical
Publication of USD575807S1 publication Critical patent/USD575807S1/en
Assigned to RILEY POWER INC. reassignment RILEY POWER INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DUVERGER, RICHARD N., LIN, QINGSHENG, PENTERSON, CRAIG A., SMITH, DANIEL P.
Assigned to BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT reassignment BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT NOTICE OF GRANT OF SECURITY INTEREST IN PATENTS Assignors: RILEY POWER INC.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 (1)

    CLAIM
  1. The ornamental design for a dynamic ring classifier for a coal pulverizer, as shown and described in the attached specification.
US29/289,038 2003-11-03 2007-07-02 Dynamic ring classifier for a coal pulverizer Expired - Lifetime USD575807S1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US29/289,038 USD575807S1 (en) 2003-11-03 2007-07-02 Dynamic ring classifier for a coal pulverizer

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US69998203 2003-11-03
US40523206 2006-04-17
US29/289,038 USD575807S1 (en) 2003-11-03 2007-07-02 Dynamic ring classifier for a coal pulverizer

Related Parent Applications (1)

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US11/405,232 Continuation US7240868B2 (en) 2003-11-03 2006-04-17 Dynamic ring classifier for a coal pulverizer

Publications (1)

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USD575807S1 true USD575807S1 (en) 2008-08-26

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US29/289,038 Expired - Lifetime USD575807S1 (en) 2003-11-03 2007-07-02 Dynamic ring classifier for a coal pulverizer

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD660887S1 (en) * 2007-06-15 2012-05-29 Riley Power Inc. Crusher block for particulate size reduction system
USD1081731S1 (en) * 2023-12-15 2025-07-01 Engineering & Industrial Solutions Group Pty Ltd Coal shearing drum

Citations (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1628609A (en) 1922-04-17 1927-05-10 Allis Chalmers Mfg Co Process of treating combustible material
US1834094A (en) * 1924-09-12 1931-12-01 Fraser George Holt Pulverizer and separator
US2625332A (en) 1950-11-22 1953-01-13 Riley Stoker Corp Rejector blade for rotary pulverizers
US2628038A (en) 1950-03-17 1953-02-10 Riley Stoker Corp Stationary peg or pulverizer for rotary beater mills
US2639863A (en) 1950-07-21 1953-05-26 Riley Stoker Corp Hammer and wear-plate structure for attrition pulverizers
US3050018A (en) 1959-03-24 1962-08-21 Babcock & Wilcox Co Pulverizer control system
US3092337A (en) 1959-08-10 1963-06-04 Combustion Eng Pulverizing system with indicator and control
US4424938A (en) 1981-12-11 1984-01-10 Rubber Millers Inc. Wear-resistant liner for rotary grinding mills
US4485975A (en) 1981-04-27 1984-12-04 Waagner-Biro Aktiengesellschaft Anchorage of the liner plates in tumbling mills by means of wedge-shaped elements
US4504019A (en) * 1982-03-03 1985-03-12 Newell Manufacturing Company Hammer mill having capped disc rotor
US4919795A (en) 1988-01-18 1990-04-24 Onoda Cement Company, Ltd. Leakage prevention apparatus for a classifier
US5025930A (en) 1987-04-10 1991-06-25 Omya Gmbh Centrifugal classifier
US5289978A (en) 1991-07-08 1994-03-01 Lundquist Lynn C Apparatus for continuous container label removal
US5348272A (en) 1993-03-31 1994-09-20 Combustion Engineering, Inc. Damper with improved drive shaft bearing assembly
US5560550A (en) 1994-12-22 1996-10-01 Combustion Engineering, Inc. Dry solids pump system for feeding a high pressure combustor
US5873156A (en) * 1993-10-13 1999-02-23 Sure Alloy Steel Corporation Coal pulverizer and method of improving flow therein
US5938045A (en) 1996-01-12 1999-08-17 Ricoh Company, Ltd. Classifying device
US6027057A (en) 1998-05-06 2000-02-22 David Roger Miles Wear-resistant, self-replenishing magnetized grinding mill liner
US6443376B1 (en) 1999-12-15 2002-09-03 Hosokawa Micron Powder Systems Apparatus for pulverizing and drying particulate matter
US20030141396A1 (en) 2002-01-25 2003-07-31 Whaley Craig S. Two-fluted housing liner
US6644479B1 (en) 1999-09-23 2003-11-11 Krupp Polysius Ag Method and air separator for classifying charging material reduced in size
US20060180685A1 (en) * 2003-11-03 2006-08-17 Qingsheng Lin Dynamic ring classifier for a coal pulverizer
US7118055B2 (en) * 2004-04-19 2006-10-10 Jin-Hong Chang Grinding mill
US7128931B2 (en) * 2003-10-17 2006-10-31 Francois Leblond Semi-permeable microcapsule with covalently linked layers and method for producing same
US20070108321A1 (en) * 2005-11-16 2007-05-17 Rodney Booth Grinding mill with air recirculation
US7311281B2 (en) * 2004-12-14 2007-12-25 Riley Power, Inc. Grinding and impeller clip for a coal pulverizer

Patent Citations (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1628609A (en) 1922-04-17 1927-05-10 Allis Chalmers Mfg Co Process of treating combustible material
US1834094A (en) * 1924-09-12 1931-12-01 Fraser George Holt Pulverizer and separator
US2628038A (en) 1950-03-17 1953-02-10 Riley Stoker Corp Stationary peg or pulverizer for rotary beater mills
US2639863A (en) 1950-07-21 1953-05-26 Riley Stoker Corp Hammer and wear-plate structure for attrition pulverizers
US2625332A (en) 1950-11-22 1953-01-13 Riley Stoker Corp Rejector blade for rotary pulverizers
US3050018A (en) 1959-03-24 1962-08-21 Babcock & Wilcox Co Pulverizer control system
US3092337A (en) 1959-08-10 1963-06-04 Combustion Eng Pulverizing system with indicator and control
US4485975A (en) 1981-04-27 1984-12-04 Waagner-Biro Aktiengesellschaft Anchorage of the liner plates in tumbling mills by means of wedge-shaped elements
US4424938A (en) 1981-12-11 1984-01-10 Rubber Millers Inc. Wear-resistant liner for rotary grinding mills
US4504019A (en) * 1982-03-03 1985-03-12 Newell Manufacturing Company Hammer mill having capped disc rotor
US5025930A (en) 1987-04-10 1991-06-25 Omya Gmbh Centrifugal classifier
US4919795A (en) 1988-01-18 1990-04-24 Onoda Cement Company, Ltd. Leakage prevention apparatus for a classifier
US5289978A (en) 1991-07-08 1994-03-01 Lundquist Lynn C Apparatus for continuous container label removal
US5348272A (en) 1993-03-31 1994-09-20 Combustion Engineering, Inc. Damper with improved drive shaft bearing assembly
US5873156A (en) * 1993-10-13 1999-02-23 Sure Alloy Steel Corporation Coal pulverizer and method of improving flow therein
US5560550A (en) 1994-12-22 1996-10-01 Combustion Engineering, Inc. Dry solids pump system for feeding a high pressure combustor
US5938045A (en) 1996-01-12 1999-08-17 Ricoh Company, Ltd. Classifying device
US6027057A (en) 1998-05-06 2000-02-22 David Roger Miles Wear-resistant, self-replenishing magnetized grinding mill liner
US6644479B1 (en) 1999-09-23 2003-11-11 Krupp Polysius Ag Method and air separator for classifying charging material reduced in size
US6443376B1 (en) 1999-12-15 2002-09-03 Hosokawa Micron Powder Systems Apparatus for pulverizing and drying particulate matter
US20030141396A1 (en) 2002-01-25 2003-07-31 Whaley Craig S. Two-fluted housing liner
US7128931B2 (en) * 2003-10-17 2006-10-31 Francois Leblond Semi-permeable microcapsule with covalently linked layers and method for producing same
US20060180685A1 (en) * 2003-11-03 2006-08-17 Qingsheng Lin Dynamic ring classifier for a coal pulverizer
US7240868B2 (en) * 2003-11-03 2007-07-10 Riley Power, Inc. Dynamic ring classifier for a coal pulverizer
US7118055B2 (en) * 2004-04-19 2006-10-10 Jin-Hong Chang Grinding mill
US7311281B2 (en) * 2004-12-14 2007-12-25 Riley Power, Inc. Grinding and impeller clip for a coal pulverizer
US20070108321A1 (en) * 2005-11-16 2007-05-17 Rodney Booth Grinding mill with air recirculation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
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).

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD660887S1 (en) * 2007-06-15 2012-05-29 Riley Power Inc. Crusher block for particulate size reduction system
USD673984S1 (en) * 2007-06-15 2013-01-08 Riley Power Inc. Crusher block assembly for particulate size reduction system
USD1081731S1 (en) * 2023-12-15 2025-07-01 Engineering & Industrial Solutions Group Pty Ltd Coal shearing drum

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