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.

Date of Patent:
Mar. 14, 2023

Filed:

Oct. 14, 2020
Applicant:

Littelfuse, Inc., Chicago, IL (US);

Inventor:

Davide Mantoan, Legnago, IT;

Assignee:

Littelfuse, Inc., Chicago, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 47/22 (2006.01); H01H 49/00 (2006.01); H01H 50/02 (2006.01); H01H 50/44 (2006.01); H01H 50/56 (2006.01);
U.S. Cl.
CPC ...
H01H 47/226 (2013.01); H01H 49/00 (2013.01); H01H 50/02 (2013.01); H01H 50/44 (2013.01); H01H 50/56 (2013.01);
Abstract

Provided herein are methods for an improved bi-stable relay. In some embodiments, a method may include providing a core assembly within a housing, the core assembly comprising a plunger extending through a coil support structure. The method may further include winding a first coil and a second coil about a central section of the coil support structure, providing a first magnet and a first ferromagnetic plate at a first end of the coil support structure, and providing a second magnet and a second ferromagnetic plate at a second end of the coil support structure. In some embodiments, the method may further include activating the first coil or the second coil to move the plunger between a first position and a second position, wherein in the first position a circuit formed by a set of contacts is closed, and wherein in the second position the circuit is open.


Find Patent Forward Citations

Loading…