Fluid sprinkling – spraying – and diffusing – Including valve means in flow line – Reciprocating
Patent
1984-11-20
1987-03-24
Peters, Jr., Joseph F.
Fluid sprinkling, spraying, and diffusing
Including valve means in flow line
Reciprocating
29157C, 29557, 29 90R, 29DIG19, B05B 1506, B21C 3730, B23P 1504, B23P 1526
Patent
active
046519262
ABSTRACT:
A fuel injection valve comprising a main fuel injection valve body containing an electromagnetic coil which is operative to displace a movable core having a valve rod attached to the core. The valve rod has an end with a valve body adapted to selectively engage a valve seat-forming member attached to the valve body. The valve seat-forming member has an interior including a guide bore for guiding opening and closing displacement movements of the valve rod. The guide bore has a uniform diameter throughout its entire length and is connected to a valve seat formed at the end of the guide bore in continuation thereof. A fuel discharge port is formed in continuation of the valve seat. The guide bore is straight and has a burnished surface and the valve seat also has a burnished surface for contact by the valve body. The guide bore is connected to the valve seat without any undercut and due to the burnishing, the guide bore and valve seat are connected without flashing.
REFERENCES:
patent: 2618989 (1952-11-01), Cupler, II
patent: 3069750 (1962-12-01), Koppelmann
patent: 4385339 (1983-05-01), Takada et al.
Sasao Isamu
Takaoka Yoshiyasu
Burkhart Patrick N.
Honda Giken Kogyo Kabushiki Kaisa
Peters Jr. Joseph F.
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