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:
Jun. 20, 2023
Filed:
Jan. 06, 2021
Applicant:
The Government of the United States of America, As Represented BY the Secretary of the Navy, Arlington, VA (US);
Inventor:
John E. Miesner, Fairfax, VA (US);
Assignee:
The United States of America, as represented by the Secretary of the Navy, Washington, DC (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02K 33/00 (2006.01); H02K 33/12 (2006.01); H01F 7/00 (2006.01); H01F 7/16 (2006.01); H01F 7/06 (2006.01);
U.S. Cl.
CPC ...
H01F 7/1615 (2013.01); H01F 7/064 (2013.01); H01F 7/066 (2013.01); H02K 33/00 (2013.01); H02K 33/12 (2013.01); H01F 7/06 (2013.01);
Abstract
Electromagnetic actuators are provided, which generate bidirectional linear force output without magnetic bias from current or permanent magnets. Systems and methods based on the electromagnetic actuators are also provided. In particular, an electromagnetic actuator having a shaft, an axial bearing, coil assembly, top and bottom stationary flux returns, and top and bottom magnetic flux sensors to measure flux crossing the respective top and bottom axial air gaps.