Damper, electromagnet assembly employing the damper, and relay e

Details Damper, electromagnet assembly employing the damper, and relay e Damper, electromagnet assembly employing the damper, and relay e

1993-04-15

1995-02-14

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Polarity-responsive

335 80, H01H 5122

Patent

active

053899059

ABSTRACT:
A damper is provided by a plurality of chambers defined between stacked thin sheet members and containing a fluid for flowing therein through a communicating section, the chambers being made to be of a small height in the direction perpendicular to the plane of the sheet members and to form a buffer section with at least one of the chambers. With such damper employed in electromagnet assemblies and eventually relays including the assemblies, they can be sufficiently minimized in size, and their manufacture can be also made extremely easier.

REFERENCES:
patent: 4840359 (1989-06-01), Hamaekers et al.
patent: 4878650 (1989-11-01), Daly et al.
patent: 4910484 (1990-03-01), Shikano et al.
patent: 4963847 (1990-10-01), Cambreleng et al.
patent: 5132496 (1992-07-01), Lee
patent: 5150090 (1992-09-01), Miura et al.

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