Gas meter temperature compensating tangents

Details Gas meter temperature compensating tangents Gas meter temperature compensating tangents

1976-09-01

1977-08-09

Gill, James J.

Measuring and testing

Volume or rate of flow

Element

G01F 322, G01F 1504

Patent

active

040402967

ABSTRACT:
A gas meter temperature compensating tangent device having a tangent block to which is adjustably connected a tangent arm for journaling a crankshaft. The tangent block has a guideway formed in alignment with the axial line of the tangent arm. A plurality of nested "U" shaped bi-metal strips have one end pivotably connected to the tangent block and the other end connected to a tangent wrist which is slideably disposed in the guideway. The bi-metal strips will sense temperature changes in the gas and force the tangent wrist to slide in the guideway to increase or decrease the distance between the tangent wrist and the crankshaft.
The tangent device provides improved accurate deflection due to temperature changes as a result of built-in radial rigidity of the tangent wrist relative to the tangent arm.

REFERENCES:
patent: 2793814 (1957-05-01), Velan
patent: 3132513 (1964-05-01), Heffernan et al.

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