US Patent Issued to Volvo Car on Oct. 14 for "Tool and method for assembling rotary machine resolver and rotary machine with keyless resolver" (Swedish, Chinese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,445,028, issued on Oct. 14, was assigned to Volvo Car Corp. (Gothenburg, Sweden).

"Tool and method for assembling rotary machine resolver and rotary machine with keyless resolver" was invented by Tobias Lindemark (Gothenburg, Sweden) and Hsingcheng Lin (Taiwan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A resolver which includes a resolver rotor and a resolver stator, the resolver rotor being assembled by: applying a DC voltage across at least one phase of windings the electric machine to create a static magnetic field by a DC electric current flowing through the at least one phase of windings of the three-phase windings, the static magnetic f...