Methods and systems for high and low temperature coolant circuits

• Main Authors: Guenter, Hans, Mehring, Jan
• Format: Patent
• Language: English
• Published: 25.05.2021
• Subjects: ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES; ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; BLASTING; COMBUSTION ENGINES; COMBUSTION ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES; COOLING OF MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; INTERNAL-COMBUSTION PISTON ENGINES; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; STEAM ENGINES; TRANSPORTING; VEHICLES IN GENERAL; WEAPONS

Methods and systems are provided for a cooling arrangement of a hybrid vehicle. In one example, a system comprises a high-temperature coolant circuit with a pressure line shaped to actuate an actuator of a pressure-actuated valve arranged in a low-temperature coolant circuit.