Metal working – Method of mechanical manufacture – Prime mover or fluid pump making
Reexamination Certificate
2006-01-26
2010-11-02
Bryant, David P (Department: 3726)
Metal working
Method of mechanical manufacture
Prime mover or fluid pump making
C029S888060, C029S458000, C029S527200, C118S306000, C118S317000, C118S504000, C427S236000, C427S421100, C427S448000
Reexamination Certificate
active
07823284
ABSTRACT:
Embodiments of the invention use a gas flow to prevent adherence of a coating to portions of an engine block adjacent to a cylinder bore being coated with the coating. Embodiments may be particularly useful for applying a coating on the inner surface of the cylinder bores in one cylinder bank while protecting cylinder bores in an opposing cylinder bank, e.g., in a V-type engine. One method of applying a coating to an engine block comprises spraying the coating on an inner surface of a first cylinder bore of the engine block. The method further comprises shielding a second cylinder bore of the engine block from the sprayed a coating with a gas flow while spraying the coating on the inner surface of the first cylinder bore.
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Search Report for corresponding European Application No. 06 25 0428, dated Jun. 21, 2006, 4 pages.
Kougo Kazuhiro
Ogino Takashi
Sugiyama Kiyokazu
Takahashi Hideo
Bryant David P
Global IP Counselors, LLP
Nissan Motor Co,. Ltd.
Walters Ryan J
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