Measuring and testing – Vibration – By mechanical waves
Patent
1997-12-23
2000-03-28
Chapman, John E.
Measuring and testing
Vibration
By mechanical waves
381 56, G01H 1106
Patent
active
060416572
ABSTRACT:
Apparatus for automatically determining the total sound power emitted by a work machine. The noise testing system employs a processor and remote control to control the measurement of both exterior and interior sound generated by a work machine in either a dynamic or static operating mode.
REFERENCES:
patent: 3661224 (1972-05-01), Allen et al.
patent: 4307385 (1981-12-01), Evans et al.
patent: 5172597 (1992-12-01), Hedeen
Caterpillar Inc.
Chapman John E.
Hudson Marla L.
Kibby Steven G.
Myers Jeffery L.
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