Piezoelectric sensor device with sensor housing and holder...

Details Piezoelectric sensor device with sensor housing and holder... Piezoelectric sensor device with sensor housing and holder...

2007-10-04

2010-02-16

Caputo, Lisa M (Department: 2855)

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

Specimen clamp, holder, or support

Reexamination Certificate

active

07661322

ABSTRACT:
A piezoelectric sensor device, especially for use with a microbalance, with a sensor housing and a holder for holding a piezoelectric sensor element. In order to permit quick exchange of crystals and to minimize the size of the assembly, the holder is configured as a clamping element which has at least one elastic first arm for clamped holding of the contact region of the essentially strip-shaped piezoelectric resonator element, whose measuring region is subjected to a fluid stream to be measured.

REFERENCES:
patent: 4429247 (1984-01-01), Feldman
patent: 4701660 (1987-10-01), Baumgartner et al.
patent: 5031460 (1991-07-01), Kanenobu et al.
patent: 5753798 (1998-05-01), Engeler et al.
patent: 6029500 (2000-02-01), Tom
patent: 6972841 (2005-12-01), Krempl et al.
patent: 2005/0150305 (2005-07-01), Oboodi et al.
patent: 2006/0141608 (2006-06-01), Aastrup et al.
patent: 0394540 (1990-10-01), None
patent: 0768532 (1997-04-01), None
patent: 2019581 (1979-10-01), None
patent: 2073423 (1981-10-01), None
English Abstract of EP 0394540, Oct. 31, 1990.

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