Fluid sprinkling – spraying – and diffusing – Including valve means in flow line – Reciprocating
Patent
1994-01-03
1994-12-13
Merritt, Karen B.
Fluid sprinkling, spraying, and diffusing
Including valve means in flow line
Reciprocating
2395851, 25112916, F02M 6104
Patent
active
053723139
ABSTRACT:
Fuel injector has combination valve-armature fabricated by laser welding relatively more magnetically permeable armature element to relatively less magnetically permeable valve element. Valve element contains sealing ring and landing ring, the latter being circumferentially discontinuous because of fuel passage holes through the valve element, the former being non-symmetrical so that magnetic opening force causes valve-armature to open by tilting about consistent circumferential location on valve element. Initial opening tilting motion is stopped by corrugated stop surface of annular stop member with final tilting motion occurring about the corrugated stop surface until the full perimeter of the valve element abuts the full perimeter of the corrugated stop surface. Actuator has bobbin-mounted coil inserted into frame and encapsulated by outer plastic body. Conical disk spring acting between fuel inlet tube and coil forces one end of the latter against valve body member while forming a barrier between fuel inlet tube and other end of coil so that plastic does not intrude into interior of mechanism during injection molding of outer plastic body. Object of invention is lower fabricating cost for specified performance of injector.
REFERENCES:
patent: 4033513 (1977-07-01), Long
patent: 4515129 (1985-05-01), Stettner
patent: 4555060 (1985-11-01), Knapp et al.
patent: 4795098 (1989-01-01), Kirchner et al.
patent: 4909447 (1990-03-01), Gallup et al.
patent: 4958773 (1990-09-01), Stettner et al.
patent: 5163623 (1992-11-01), Seino
Chabon Michael W.
Harvey Bruce J.
Lahnala Thomas A.
Sailer Hans J.
Ta Bac
Boller George L.
Drouillard Jerome R.
Ford Motor Company
Merritt Karen B.
Siemens Automotive L.P.
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