To provide a coolant circuit which can realize a desired circulation mode while reducing the numbers of valves and pumps.SOLUTION: In a coolant circuit, multiple control modes, in which a first pump (61), a second pump (63), a first selector valve (60), and a second selector valve (62) are controlled to change flow of a coolant in a first coolant passage (101), a second coolant passage (102), a third coolant passage (201), a fourth coolant passage (202), and a bypass passage (30) according to an outdoor temperature or a water temperature in the battery, can be executed.SELECTED DRAWING: Figure 1
【課題】バルブやポンプの数量を抑制しつつ所望の循環態様を実現することが可能な冷却水回路を提供する。【解決手段】第1ポンプ(61)、第2ポンプ(63)、第1切替バルブ(60)、及び第2切替バルブ(62)を制御し、外気温又はバッテリ水温に応じて、第1冷却水流路(101)、第2冷却水流路(102)、第3冷却水流路(201)、第4冷却水流路(202)、及びバイパス流路(30)の冷却水の流れを変更する複数の制御モードを実行可能とする。【選択図】図1
COOLANT CIRCUIT
冷却水回路
2019-02-14
Patent
Electronic Resource
Japanese
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |
COOLANT CIRCUIT FOR A DRIVE DEVICE AND METHOD FOR OPERATING A COOLANT CIRCUIT
European Patent Office | 2020
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