Vibration detector

Details Vibration detector Vibration detector

1990-01-22

1990-07-31

Chapman, John

Measuring and testing

Engine detonation

Combustion signal compared to reference signal varied by a...

73654, 310329, G01P 1509

Patent

active

049441795

ABSTRACT:
The vibration detector comprises a tube-like portion provided with a threaded bolt hole and a threaded portion defined on the outer periphery of the top of the tube-like portion and is secured integrally to the object the vibration of which is to be detected by means of a bolt inserted in the threaded bolt hole and a nut engaged with the bolt. The outer diameter of the portion of the tube-like portion apart from the threaded portion is equal to or smaller than the minimum diameter of the threaded portion. Thus the compression stress caused by the bolt inserted in the threaded bolt hole against clamping force can be fully secured because the strength of the tube-like portion depends on the minimum diameter of the threaded portion.

REFERENCES:
patent: 4225302 (1980-09-01), Suzuki et al.
patent: 4399705 (1983-08-01), Weiger et al.
Hutte des Ingenieurs Taschenbuch, pp. 50-51, Berlin, Wilhelm Ernst and Sohn, 1954.

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