Thermostatic control

Measuring and testing – Gas analysis – Moisture content or vapor pressure

Patent

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Details

G01K 528

Patent

active

040540510

ABSTRACT:
A thermostatic control has a power element, the integral cup shaped portion of which functions as a range lever adjusted by direct contact with a cam member. The cup element amplifies motion as well as transmitting motion. The normally deflecting portion of the diaphragm part of the power element is held stationary. This arrangement eliminates the necessity of a separate lever range and a bias spring and a lever pivot interface and results in energy spring. A molded drive lever provides the following functions: (1) drive switch mechanism lever; (2) a cut-in adjustment; and (3) a cut-out adjustment. The latter two functions are obtained without effect on the trip points of the load-controlling switch.

REFERENCES:
patent: 2182856 (1939-12-01), Riche
patent: 2363451 (1944-11-01), Stockstrom

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