Solenoid valve

Details Solenoid valve Solenoid valve

2006-02-28

2006-02-28

Bastianelli, John (Department: 3751)

Valves and valve actuation

Electrically actuated valve

Including solenoid

C335S278000

Reexamination Certificate

active

07004450

ABSTRACT:
In a solenoid valve having a valve section having a valve member which comes into contact and separates from a valve seat to switch passages, and a solenoid portion for driving the valve member, the solenoid portion includes a fixed core, a bobbin around which a coil is wound, a cylindrical magnetic cover constituting an outer profile of the solenoid portion, a magnetic plate and a moving core. An electrical insulation film is formed on an inner surface or both inner and outer surfaces of the magnetic cover.

REFERENCES:
patent: 3633139 (1972-01-01), Thompson
patent: 4065096 (1977-12-01), Frantz et al.
patent: 4501299 (1985-02-01), Klimowicz et al.
patent: 4540154 (1985-09-01), Kolchinsky et al.
patent: 4560969 (1985-12-01), Nicholson
patent: 5192936 (1993-03-01), Neff et al.
patent: 5310160 (1994-05-01), Harck et al.
patent: 6124775 (2000-09-01), Linkner, Jr.
patent: 6748976 (2004-06-01), Sato et al.
patent: 27 51 230 (1979-05-01), None
patent: 42 01 449 (1993-07-01), None
patent: 199 19 396 (1999-11-01), None

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