Gearless pressure or temperature gauge

Details Gearless pressure or temperature gauge Gearless pressure or temperature gauge

1976-04-08

1977-08-09

Woodiel, Donald O.

Measuring and testing

Speed, velocity, or acceleration

With means for retaining reading

733683, G01L 708, G01K 532

Patent

active

040402983

ABSTRACT:
A pressure gauge comprising a diaphragm, a cylinder seat, and a driving helix movable up or down to constitute the operating elements. A rotary shaft with a pin fixed thereon rotates clockwise or counterclockwise responsive to the movement of the diaphragm. The rotary shaft will return to its initial position when the pressure on the diaphragm is removed by the restoring force of a helical spring.

REFERENCES:
patent: 1291901 (1919-01-01), Hurd
patent: 3523451 (1970-08-01), Kohn

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