Electromagnetic double switching valve

Details Electromagnetic double switching valve Electromagnetic double switching valve

2005-10-18

2005-10-18

Bastianelli, John (Department: 3751)

Fluid handling

Systems

Supply and exhaust

C137S870000, C335S265000

Reexamination Certificate

active

06955186

ABSTRACT:
An electromagnetic dual-action control valve with a housing (2), with connections (15, 16, 17) for inflow and outflow lines for a pressure medium, with a solenoid (3) and with two armatures arranged to move within the solenoid (3) for opening and closing the line connections. To simplify the structure of such a dual-action control valve, it is provided that one of the armatures is formed as a hollow armature (4) with a closed end (11), within which an inner armature (5) is arranged to move coaxially, and the hollow armature (4) has openings (20, 21) for the pressure medium, of which one opening (21) can be closed by a sealing surface (13) of the inner armature (5).

REFERENCES:
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patent: 3504773 (1970-04-01), Miller
patent: 3914720 (1975-10-01), Drubig
patent: 3961298 (1976-06-01), Jaffe et al.
patent: 3963049 (1976-06-01), Beauregard
patent: 4540965 (1985-09-01), Hattori et al.
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patent: 5083590 (1992-01-01), Gattolliat et al.
patent: 6047718 (2000-04-01), Konsky et al.
patent: 6572077 (2003-06-01), Wörner
patent: 195 25 384 (1997-01-01), None
patent: 198 26 076 (1999-08-01), None
patent: 198 26 074 (2000-03-01), None

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