Heating and cooling thermostat with adjustable limits and method

Electricity: electrothermally or thermally actuated switches – Thermally actuated switches – With bimetallic element

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Details

29622, 337340, H01H 3722

Patent

active

043498078

ABSTRACT:
A thermostat adapted to regulate the temperature of a given space. The thermostat has a mode selecting member which is movable between a heating mode position and a cooling mode position. A temperature setting member is selectively movable for setting a selected operating temperature of the thermostat and has a preselected maximum heating set point temperature and a preselected minimum cooling set point temperature. One of the temperature setting member and the mode selecting member includes a pair of abutments engageable with the other of the temperature setting member and the mode selecting member when the mode selecting member is in its heating mode position and its cooling mode position to define the preselected maximum heating set point temperature and the preselected minimum cooling set point temperature of the temperature setting members, respectively.
A method of manufacturing a thermostat, a method of operating a thermostat and a method of establishing a preselected maximum heating set point temperature and a preselected minimum cooling set point temperature of a thermostat are also disclosed.

REFERENCES:
patent: 2729719 (1956-01-01), Kronmiller
patent: 3807254 (1974-04-01), Brakebill
patent: 4078601 (1978-03-01), Kolbow
patent: 4243967 (1981-01-01), Irank
patent: 4249155 (1981-02-01), Fitzgerald et al.

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