To determine whether or not a shortage of an oil occurs.SOLUTION: A vehicle 100 has: a first motor generator 11 serving as a driving source; a power transmission mechanism 40 which transmits power of the first motor generator 11 to driving wheels; and an oil circulation mechanism 30 which circulates an oil for cooling the power transmission mechanism 40 and the first motor generator 11. In the vehicle 100, it is determined that a shortage of the oil occurs when a temperature of the first motor generator 11 is larger than a temperature of the oil and a difference between the temperature of the first motor generator 11 and the temperature of the oil is larger than a specified value.SELECTED DRAWING: Figure 2
【課題】オイルの不足の有無を判定する。【解決手段】駆動源となる第1MG11と、第1MG11の動力を駆動輪に伝達する動力伝達機構40と、動力伝達機構40及び第1MG11を冷却するためのオイルが循環するオイル循環機構30とを有する車両100に関して、第1MG11の温度がオイルの温度よりも大きく、且つ第1MG11の温度とオイルの温度との差が規定値よりも大きい場合に、オイルが不足していると判定する。【選択図】図2
OIL SHORTAGE DETERMINATION SYSTEM
オイル不足判定システム
2022-08-30
Patent
Electronic Resource
Japanese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES |
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