Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Multiple contact type
Patent
1993-10-25
1995-06-13
Donovan, Lincoln
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Multiple contact type
335131, H01H 6702
Patent
active
054247004
ABSTRACT:
A contactor unit for a starter motor of an internal combustion engine starter has a casing which includes an end closure cap carrying two fixed contacts for electrical connection to the starter motor, together with a solenoid having a movable core and a solenoid coil for actuating the movable core, the latter being arranged to displace a movable contact axially into engagement with the fixed contacts. The movable contact defines a concave shape in facing relationship with at least one of the fixed contacts. The arrangement is such that there is effectively three-point contact between the movable and fixed contacts.
REFERENCES:
patent: 1653823 (1927-12-01), Pudelko
patent: 2850602 (1958-09-01), Breese et al.
patent: 4604597 (1986-08-01), Bogner et al.
patent: 5015980 (1991-05-01), Sugiyama
patent: 5175524 (1992-12-01), Gotoh
Donovan Lincoln
Valeo Equipements Electriques Moteur
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