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:
Sep. 04, 2018
Filed:
Mar. 18, 2015
Applicant:
Goodrich Actuation Systems Sas, Buc, FR;
Inventors:
Arnaud de la Chevasnerie, Ville d'Avray, FR;
Audrey La Marca, Guyancourt, FR;
Assignee:
GOODRICH ACTUATION SYSTEMS SAS, Buc, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/18 (2006.01); F15B 9/09 (2006.01); H02K 1/17 (2006.01); F15B 13/043 (2006.01);
U.S. Cl.
CPC ...
H02K 1/185 (2013.01); F15B 9/09 (2013.01); F15B 13/0436 (2013.01); F15B 13/0438 (2013.01); H02K 1/17 (2013.01);
Abstract
A servo valve torque motor apparatus including a pair of pole pieces; one or more permanent magnet(s) held between the pole pieces an armature supported between the pole pieces for rotation about an axis; the armature being for connection to a member that resists rotation of the armature; and a coil on the armature; wherein when an electrical current is passed through the coil the armature is rotated against the member; and wherein the magnet(s) is/are secured to the two pole pieces by mechanical fixings passing through holes in the magnet(s).