USPatent applicationPatented

Dynamic ring classifier for a coal pulverizer

Granted 26 Aug 2008 · 2 office actions

Application· this page
29/289,038
filed 2 Jul 2007
Publication
Not published
not published
Patent
US D575807
granted 26 Aug 2008

Life of the application

10 dated events
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Description

1 parts
›FIG. 1 is a perspective view of a…

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.

the grant prints no section headings; every part label below is ours, taken from that part's own first words

Claims as granted

1 claim

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Classifications

1 codes
USPC · US Patent Classification
D15/123

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File wrapper

⤢ drag to zoomJul 2007Oct 2007Jan 2008Apr 2008Jul 2008Oct 2008USPTOApplicantNon-final rejectionResponse after non-finalFinal rejectionResponse after final
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Pendency
1.2 y
421 days filing → grant
Office actions
2
non-final + final
Responses
2
no RCE
Examiner
Sandra Snapp
art unit 2915 · TC 2900
Citations: 28 back · 0 forward

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Chain of title

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