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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.:

US 12489350 B1

PDFFull Text
Date of Patent:
Dec. 02, 2025

Filed:

Dec. 17, 2024

Multi-bar linkage electric drive system

Applicant:

Indigo Technologies, Inc., Woburn, MA (US);

Inventors:

Ian W. Hunter, Lincoln, MA (US);

Timothy A. Fofonoff, Lincoln, MA (US);

Peter Madden, Reading, MA (US);

Dean Ljubicic, Somerville, MA (US);

Thomas Moriarty, Lexington, MA (US);

Scott T. Purchase, Cambridge, MA (US);

Assignee:

Indigo Technologies, Inc., Woburn, MA (US);

Attorney:

Smith Baluch LLP

Primary Examiner:

James A English

Int. Cl.
CPC ...
H02K 16/04 (2006.01); B60G 1/00 (2006.01); B60G 3/01 (2006.01); B60G 3/20 (2006.01); B60G 7/00 (2006.01); B60G 17/015 (2006.01); B60K 7/00 (2006.01); H02K 1/2796 (2022.01); H02K 1/28 (2006.01); H02K 7/00 (2006.01); H02K 7/075 (2006.01); H02K 7/08 (2006.01); H02K 7/116 (2006.01); B60K 17/04 (2006.01); H02K 7/12 (2006.01); H02K 21/24 (2006.01);
U.S. Cl.
CPC ...
H02K 16/04 (2013.01); B60G 1/00 (2013.01); B60G 3/01 (2013.01); B60G 3/20 (2013.01); B60G 7/001 (2013.01); B60G 17/015 (2013.01); B60K 7/0007 (2013.01); H02K 1/2796 (2022.01); H02K 1/28 (2013.01); H02K 7/006 (2013.01); H02K 7/075 (2013.01); H02K 7/086 (2013.01); H02K 7/116 (2013.01); B60G 3/207 (2013.01); B60G 2202/42 (2013.01); B60G 2204/182 (2013.01); B60G 2204/30 (2013.01); B60G 2204/421 (2013.01); B60G 2300/50 (2013.01); B60G 2500/30 (2013.01); B60K 2007/003 (2013.01); B60K 2007/0038 (2013.01); B60K 2007/0092 (2013.01); B60K 17/043 (2013.01); B60L 2220/44 (2013.01); B60L 2220/46 (2013.01); B60Y 2200/91 (2013.01); H02K 7/125 (2013.01); H02K 21/24 (2013.01); H02K 2201/18 (2013.01);
Abstract

An electric drive system including: a rotary motor system including a hub assembly, a first rotating assembly, a second rotating assembly, and a third rotating assembly, wherein the hub assembly defines a rotational axis about which the first rotating assembly, the second rotating assembly, and the third rotating assembly are coaxially aligned and are capable of independent rotational movement independent of each other; a multi-bar linkage mechanism connected to each of the first and third rotating assemblies and connected to the hub assembly and constraining movement of the hub assembly so that the rotational axis of the hub assembly moves along a defined path that is in a transverse direction relative to the rotational axis and wherein the multi-bar linkage mechanism causes the rotational axis of the hub assembly to translate along the defined path in response to relative rotation of the first rotating assembly and the third rotating assembly with respect to each other.

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