Fluid sprinkling – spraying – and diffusing – Including valve means in flow line – Reciprocating
Reexamination Certificate
2006-01-03
2006-01-03
Kim, Christopher (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Including valve means in flow line
Reciprocating
C239S585100
Reexamination Certificate
active
06981663
ABSTRACT:
A moving iron core that reciprocates in axial direction in response to a fuel injection signal is provided with a radial recess of a predetermined width and a predetermined depth on the outer circumference at a position facing a magnetic characteristic change portion produced in a yoke due to heat generated when a sleeve and the yoke are welded together. As a result, it is possible to suppress the variation in injection quantity characteristic of the products caused by the magnetic characteristic change portion of the yoke due to the heat generated at the time of welding the sleeve and the yoke together.
REFERENCES:
patent: 4007880 (1977-02-01), Hans et al.
patent: 5190221 (1993-03-01), Reiter
patent: 6032879 (2000-03-01), Hamada et al.
patent: 6168098 (2001-01-01), Brinn, Jr.
patent: 6402061 (2002-06-01), Fukutomi et al.
patent: 59-015667 (1984-01-01), None
Kim Christopher
Mitsubishi Denki & Kabushiki Kaisha
Sughrue & Mion, PLLC
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