Temperature compensating pressure gage

Details Temperature compensating pressure gage Temperature compensating pressure gage

1985-06-14

1986-09-23

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

With protective separator

73708, 73726, G01L 708, G01L 904, G01L 1904

Patent

active

046128115

ABSTRACT:
A pressure gage particularly suitable in a variable temperature environment includes a body carrying two force rods. One of the force rods is coupled to the source of pressure to be measured while the second, of similar length and parallel to the first, is separated from the pressure to be measured. The total strain on both rods is affected by the same factors except that the rod coupled to the source of pressure is also affected by that source of pressure. When the strain of the two rods are subtracted the resultant strain is attributed only to the measured pressure.

REFERENCES:
patent: 3600949 (1971-08-01), Delft

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