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PULSE GENERATOR

申请公布号:WO9849527(A1)

申请号:WO1998SE00784

申请日期:1998.04.29

申请公布日期:1998.11.05

申请人:
DRESSER WAYNE AB;BERGQVIST, ANDERS;LARSSON, BENGT, I.;LUNDBY, FREDRIK

发明人:BERGQVIST, ANDERS;LARSSON, BENGT, I.;LUNDBY, FREDRIK

分类号:B67D7/08;B67D7/22;G01D5/12;G01D5/14;G01D5/244;G01D5/245;G01F;G01F1/075;G01F1/115

主分类号:B67D7/08

摘要:When generating signal changes in connection with the determination of the amount of fuel dispensed from a fuel pump unit, a periodic analog signal having a first frequency is generated, which corresponds to a fuel volume flow in the pump unit. The amplitude of the analog signal is detected and then signal changes having a second frequency are emitted, which is dependent on and higher than the first frequency. In an apparatus, the analog signal is generated by a frequency generator (31). A pulse-generating device (40) comprising at least one analog sensor (41, 42) and at least one unit (45) for signal-processing is arranged to detect the analog signal and to generate signal changes having a second higher frequency.

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