Dynamic sensor

Details Dynamic sensor Dynamic sensor

1996-08-23

1998-02-03

Dougherty, Elizabeth L.

Measuring and testing

Dynamometers

Responsive to force

73862471, 73715, G01L 208

Patent

active

057146934

ABSTRACT:
There are dynamic sensors whose plunger is seated in the center of at least one diaphragm. In certain instances of use it is not possible to protect the sensitive diaphragms against inappropriate handling. For example, dynamic sensors are employed in the textile industry as yarn tensile force sensors. The diaphragm in which the yarn feeler is seated, which faces the yarn travel path, cannot be protected by means of a cover against unintentional touching, since dust accumulations between the cover and the diaphragm can hamper its function. For protecting the diaphragm it is therefore proposed in accordance with the invention that a support body is disposed a short distance behind the diaphragm and that the side of the support body facing the diaphragm has a support contour which is essentially matched to the contour on the side of the diaphragm facing the support body.

REFERENCES:
patent: 1780141 (1930-10-01), Goldman
patent: 1872087 (1932-08-01), Martin
patent: 2099955 (1937-11-01), Edwards
patent: 2528883 (1950-11-01), Hayward
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patent: 3149489 (1964-09-01), Schmaeng
patent: 4333350 (1982-06-01), Gibb
patent: 4711133 (1987-12-01), Berglund
patent: 4992778 (1991-02-01), McKeen et al.
patent: 5133217 (1992-07-01), Jordan
patent: 5329822 (1994-07-01), Hartel et al.
Christof Rohrbach, "Handbuch fur elektrisches Messen mechanischer Gross en", 1967, pp. 199-201.

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