Motor driven exciter

Details Motor driven exciter Motor driven exciter

1982-01-08

1984-05-08

Birmiel, Howard A.

Measuring and testing

Vibration

By mechanical waves

73584, 73593, 73666, 73672, 173123, B06B 112, G01N 2904

Patent

active

044467346

ABSTRACT:
A hammer-type device is driven by a cam and spring arrangement in reciprocating motion to strike a moving train wheel for producing vibrations therein which are used to detect defects in the wheel.

REFERENCES:
patent: 2252017 (1941-08-01), McCrery
patent: 2342601 (1944-02-01), Pyle
patent: 3097523 (1963-07-01), Diamond et al.
patent: 3580056 (1971-05-01), Warner
patent: 4050292 (1977-09-01), Block
patent: 4177798 (1979-12-01), Leveque et al.
patent: 4342229 (1982-08-01), Massa

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