Rotary kinetic fluid motors or pumps – With inspection – signaling – indicating or measuring means
Reexamination Certificate
2009-03-24
2011-11-22
Kershteyn, Igor (Department: 3745)
Rotary kinetic fluid motors or pumps
With inspection, signaling, indicating or measuring means
C415S201000
Reexamination Certificate
active
08061972
ABSTRACT:
A closure device for a compressor having at least one access opening, wherein the closure device includes a plug portion disposeable at least partially within and configured to substantially obstruct the at least one access opening, a head portion having a shoulder surface extending generally radially outwardly with respect to the plug portion, wherein the head portion is generally disposeable against an inner surface of the compressor and configured to maintain the plug portion disposed within the at least one access opening during compressor operation, and a retainer member having a bracket engageable with an outer surface of the compressor and a threaded rod extending between the bracket and the plug portion, wherein the retainer member is configured to retain the plug portion disposed within the at least one access opening.
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Dresser-Rand Company
Edmonds & Nolte PC
Kershteyn Igor
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