Masking an engine block during coating application

Details Masking an engine block during coating application Masking an engine block during coating application

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.

REFERENCES:
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patent: 0 716 158 (1996-06-01), None
patent: 6-065711 (1994-03-01), None
Search Report for corresponding European Application No. 06 25 0428, dated Jun. 21, 2006, 4 pages.

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