Patent ID: 11936279
Assignee: RIVIAN IP HOLDINGS, LLC
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  B  F  G | IPC B  F  G  H

Claim 0:
1. An electrical motor system comprising:
an oil reservoir configured to hold oil therein;
a motor;
an oil delivery system including a heat exchanger, the oil delivery system configured to:
operate in a low-temperature mode, bypassing the heat exchanger, while an oil temperature of the oil is below a first predetermined temperature;
operate in a high-temperature mode, directing oil traversing the oil delivery system through the heat exchanger while the oil temperature is above a second predetermined temperature; and
operate in an intermediate-temperature mode, partially bypassing the heat exchanger, while the oil temperature is between the first predetermined temperature and the second predetermined temperature, such that an amount of oil bypassing the heat exchanger while operating in the intermediate-temperature mode is less than an amount bypassed while operating in the low-temperature mode and greater than an amount bypassed while operating in the high-temperature mode;

an oil spray bar coupled to the oil delivery system and adapted to spray the oil onto an exposed end winding of a motor stator of the motor; and
an oil tube coupled to the oil delivery system downstream of the oil spray bar and adapted to provide the oil to an interior of the motor stator and a motor rotor of the motor, wherein the oil tube is coupled to the oil spray bar by a cover tube positioned within a cover of the electrical motor system.