Vibration pick-up with pressure sleeve

Details Vibration pick-up with pressure sleeve Vibration pick-up with pressure sleeve

1996-07-05

1999-02-16

Oda, Christine K.

Measuring and testing

Engine detonation

Specific type of detonation sensor

73654, G01L 2322

Patent

active

058723072

ABSTRACT:
A vibration pick-up with a pressure sleeve is mounted by a mounting element extending through a central opening of the pressure sleeve. The pressure sleeve is clamped with an abutment surface on a component which causes vibrations. A threaded ring with a spring or a welded spring provided on the pressure sleeve holds a seismic mass under the pressure of the spring, and a detection element formed for example as a piezo-ceramic disk is arranged. The pressure sleeve has extensions with depressions which, in combination with a flanged insertion disk, form a seal labyrinth.

REFERENCES:
patent: 4944179 (1990-07-01), Komurasaki
patent: 4949571 (1990-08-01), Komurasaki
patent: 4967114 (1990-10-01), Komurasaki
patent: 5398540 (1995-03-01), Entenmann
patent: 5440933 (1995-08-01), Brammer

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