The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 13, 1982
Filed:
Sep. 22, 1980
Elwood J Meyers, Rockford, IL (US);
Thomas A Glynn, Rockford, IL (US);
Cummins Engine Company, Inc., Columbus, IN (US);
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.