Shock absorber for ceramic filters

Details Shock absorber for ceramic filters Shock absorber for ceramic filters

1989-02-27

1990-04-03

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310327, 310348, 310355, 188268, H01L 4108

Patent

active

049147226

ABSTRACT:
A ceramic filter including a plurality of ceramic plates contacted by metal plates and enclosed within a housing includes a Teflon membrane having a plurality of bubbles or dimples therein. A curved spring plate is positioned between a wall of the housing and one of the metal plates. The shock absorbing membrane is positioned between the spring plate and the wall of the housing, and the bubbles thereof extend through openings in the spring plate. When the filter is subjected to a force substantially perpendicular to the ceramic plates, the bubbles in the shock absorber cause the edges of the metal plate to deflect upwards and thus support the adjacent ceramic plate so as to avoid shattering or cracking.

REFERENCES:
patent: 2380592 (1945-07-01), Gordon
patent: 4322652 (1982-03-01), Otsuka
patent: 4492892 (1985-01-01), Nakatani
patent: 4540908 (1985-09-01), Mooney et al.
patent: 4577735 (1986-03-01), Mooney et al.
patent: 4639698 (1987-01-01), Nishiki
patent: 4695756 (1987-09-01), Tanaka

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