Actuating device

Details Actuating device Actuating device

2005-04-01

2008-12-30

Barrera, Ramon M (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

C335S278000, C336S107000

Reexamination Certificate

active

07471177

ABSTRACT:
The invention relates to an actuating device, particularly an actuating magnet, for actuating valves. In order to improve the sealing action of an actuating magnet, the invention provides that a contacting plug insert (48) has a seating surface (54) against which an annular sealing part (52) rests and which extends in the form of a groove inside the plug insert (48). The groove depth is selected so that, when in an unpressed state, approximately half of the sealing part (52) is accommodated inside the groove (56). When the groove (56) is fitted with the sealing part (52), it is completely filled whereby resulting in a projection that sealingly closes the gap (58) arising between a plug plate (40) and an outer peripheral surface (50) of the housing (18).

REFERENCES:
patent: 3521823 (1970-07-01), Horssen
patent: 3922477 (1975-11-01), Glowacz
patent: 5038125 (1991-08-01), Vogel
patent: 6512440 (2003-01-01), Suda
patent: 6784778 (2004-08-01), Stitz et al.
patent: 7151427 (2006-12-01), Muller et al.
patent: 2004/0104795 (2004-06-01), Stitz et al.
patent: 43 41 087 (1995-06-01), None

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