Measuring and testing – Internal combustion engine or related engine system or... – Compression
Patent
1978-03-31
1979-06-19
Gorenstein, Charles
Measuring and testing
Internal combustion engine or related engine system or...
Compression
731173, 324 16T, G01M 1500
Patent
active
041583051
ABSTRACT:
A method is provided for dynamically timing an apparatus which includes cyclically generating reference and timing pulses. The method also includes counting the number of reference pulse per generating cycle; measuring a first timing fraction between a leading edge of the first timing pulse and a leading edge of the preceding reference pulse; measuring a second timing fraction between a leading edge of the second timing pulse and a leading edge of the preceding reference pulse; counting the number of whole reference pulses between the leading edges of the timing pulses; subtracting the first timing fraction from the count; and adding the second timing fraction to the count and producing a timing measurement.
REFERENCES:
patent: 4036190 (1977-07-01), Bigliani et al.
patent: 4055998 (1977-11-01), Pettingell et al.
patent: 4081995 (1978-04-01), Griffith et al.
Caterpillar Tractor Co.
Gorenstein Charles
James John L.
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