ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,483,087, issued on Nov. 25, was assigned to HITACHI LTD. (Tokyo).
"Rotary electrical machine" was invented by Ryuuichirou Iwano (Tokyo) and Tetsuya Suto (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A stator of a rotary electrical machine includes a stator core, a coil, and at least one of a connection wire and a jumper wire. The coil has a first coil end which is located on one end side of the stator core in the axial direction and a second coil end which is located on the other end side of the stator core in the axial direction. A coolant flow path for cooling the rotor and the stator has: a coolant inflow port; a first annular flow path which...