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    • 4. 发明申请
    • MEASURING METHOD FOR VEHICLES
    • 车辆测量方法
    • WO1991016635A1
    • 1991-10-31
    • PCT/SE1991000253
    • 1991-04-09
    • AB VOLVOERIKSSON, RobertKRISTIANSSON, UrbanLUNDSTRÖM, Christer
    • AB VOLVO
    • G01P03/46
    • G01P3/48
    • The invention concerns a measuring method for use in vehicles, particularly for the purpose of determining the rotational speed of the crankshaft of a combustion engine. In connection with an engine starting process, the current (i) that the battery (1) delivers to the starter motor (2) will be measured on frequent occasions and the registered measuring values be stored in the memory unit (6) of a measuring computer. Considering that the current (i) delivered from the starter battery (1) to the starter motor (2) varies in accordance with the engine compression variations during the starting process, a measure of the rotational speed of the crankshaft may be derived on the basis of the stored values relating to the current (i).
    • 本发明涉及一种用于车辆的测量方法,特别是用于确定内燃机曲轴的转速的目的。 结合发动机启动过程,电池(1)传送到起动电动机(2)的电流(i)将在频繁的情况下被测量,并将注册的测量值存储在测量的存储器单元(6)中 电脑。 考虑到从起动电池(1)传递到起动电动机(2)的电流(i)根据起动过程中的发动机压缩变化而变化,可以基于该曲轴的转速的测量 存储与当前(i)有关的值。