Measurement transformer

Details Measurement transformer Measurement transformer

1986-02-18

1988-08-09

Goldberg, E. A.

Electrical resistors

Strain gauge type

Fluid- or gas pressure-actuated

338 2, 338 5, 7386265, G01L 122

Patent

active

047630973

ABSTRACT:
A measurement transformer has a pressure chamber which is sealed off by a membrane (2). On the membrane (2) there is seated a ram (16) which rests against a central part (7) of a spring plate (6). The central part (7) is connected by means of two flexural beam sections (9, 10) with the edge of the spring plate (6). Furthermore, web sections (13, 14, 15) connect the central part (7) to the edge part (8). For the adjustment of the measurement transformer the web sections (13, 14, 15) can be cut through. The more web sections (13, 14, 15) are cut through, the easier it is for the central part (7) to be displaced relative to the edge part (8). Wire strain gauges (11, 12) on the beam sections (9, 10) register this displacement.

REFERENCES:
patent: Re25924 (1965-12-01), Stedman
patent: 3022672 (1962-02-01), Dimeff et al.
patent: 3138027 (1964-06-01), Li
patent: 3204463 (1965-09-01), Taber
patent: 3520191 (1970-07-01), Pien
patent: 3869906 (1975-03-01), Andersson
patent: 4017819 (1977-04-01), Pien
Tashkinov et al., "Sylphan Strain Gauge Resistor Pressure Transducer", Izmeritel'naya Tekhnika, No. 12, pp. 42-43, Dec. 1979.

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