Fluid sprinkling – spraying – and diffusing – Including valve means in flow line – Reciprocating
Patent
1980-07-21
1982-01-19
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Including valve means in flow line
Reciprocating
251141, F02M 5106
Patent
active
043112803
ABSTRACT:
An electromagnetic fuel injector has an axially extending guide pin fixed to an armature and slidably received in the solenoid pole piece to axially guide the armature during its movement thereof relative to the solenoid pole piece. The guide pin has a sleeve supported thereon for engagement at one end with a surface of the armature and extending at its opposite end axially outboard the armature for abutment against the solenoid pole piece whereby to serve as an abutment stop so as to establish a predetermined minimum working air gap between the opposed working surfaces of the armature and an associated solenoid pole piece. An armature return spring has one end thereof in abutment with a free end of the guide pin to bias the armature in an axial direction away from the solenoid pole piece and has its opposite end in abutment against an externally accessible abutment screw whereby the force of the armature return spring can be adjusted as desired. In a preferred embodiment, an additional spring is operatively positioned to assist the armature return spring.
REFERENCES:
patent: 2980090 (1961-04-01), Sutton et al.
patent: 3653630 (1972-04-01), Ritsema
patent: 3662987 (1972-05-01), Schlagmuller et al.
patent: 3738578 (1973-06-01), Farrell
patent: 4008876 (1977-02-01), Bastle
patent: 4156506 (1979-05-01), Locke et al.
patent: 4218021 (1980-08-01), Palma
patent: 4247052 (1981-01-01), Gray
General Motors Corporation
Kashnikow Andres
Krein Arthur N.
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