Vibrometer

Details Vibrometer Vibrometer

1975-03-27

1977-08-16

Queisser, Richard C.

Measuring and testing

Moisture content or absorption characteristic of material

73 67, G01H 100

Patent

active

040417751

ABSTRACT:
A plurality of circular cross section elongated vibrometer reeds each having a predetermined frequency response to a vibration in a given plane are secured to a vibration transmission medium in predetermined orientations. The medium is secured in vibrating communication with a machine frame, for example, a helicopter frame, to transmit frame vibrations to the reeds. Each reed is oriented to respond to at least one vibration associated with a known source of vibration in an environment of complex vibrations produced by a plurality of sources in the machine.

REFERENCES:
patent: 1727991 (1929-09-01), Kimball, Jr. et al.
patent: 2063790 (1936-12-01), Carbonara
patent: 2428671 (1947-10-01), Kent et al.
patent: 2906117 (1959-09-01), Kennard
patent: 3146057 (1964-08-01), Rona
patent: 3183512 (1965-05-01), Castle
patent: 3504533 (1970-04-01), Rodewalt

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