Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device
Patent
1980-09-22
1982-07-13
Myracle, Jerry W.
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
With magneto-mechanical motive device
251133, H01F 713
Patent
active
043397379
ABSTRACT:
A rotary electrically actuated device is provided for controlling fluid flow and includes a stator member having a base section, a post, and symmetrically arranged extensions which coact to form a cavity in which a coil is disposed. A rotor is supportingly mounted on the distal end of the post and is adapted to rotate within a predetermined sector. The rotor has a first section extending partially into the cavity and is provided with circumferentially-spaced magnetic pole elements having corresponding curved endfaces conforming substantially to curved interior surfaces of the extensions. Each endface has a surface configuration having a side portion narrower than the opposite side portion. The rotor is biased to normally assume a position within the sector wherein only the narrow side portions of the endfaces are disposed adjacent to the extension interior surfaces and the remainder of the endfaces are out of registration with said interior surfaces. The rotor moves to a second position within the sector wherein the endfaces substantially register with the extension interior surfaces, when the coil is electrically energized. A second section projects axially from the rotor first section.
REFERENCES:
patent: 2762000 (1956-09-01), Matthews
patent: 3072830 (1963-01-01), Lazzarini
patent: 3221191 (1965-11-01), Cuches et al.
patent: 3229171 (1966-01-01), Daugherty
patent: 3398386 (1968-08-01), Summerlin
patent: 3435394 (1969-03-01), Egger
Glynn Thomas A.
Meyers Elwood J.
Cummins Engine Company, Inc.
Myracle Jerry W.
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