Electricity: electrothermally or thermally actuated switches – Thermally actuated switches – With longitudinally expansible solid element
Reexamination Certificate
2006-10-10
2006-10-10
Datskovsky, Michael (Department: 2835)
Electricity: electrothermally or thermally actuated switches
Thermally actuated switches
With longitudinally expansible solid element
C337S382000, C337S393000, C337S398000, C219S448190, C219S512000
Reexamination Certificate
active
07119654
ABSTRACT:
A temperature sensor for radiant heating units with a heating coil disposed in a cup includes a tube with a first end connected to a housing of a switch with a movable contact cooperating with stationery contacts in the housing. A two-section rod, which extends into the housing of the switch and operates the movable contact, is supported inside the tube. The tube and the rod have different thermal expansion coefficients. To prevent a shift in the switching point, the section of the rod that operates the contact terminates outside the hollow space of the cup, and the temperature-induced length changes of this section and of the housing are matched to each other.
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Datskovsky Michael
Electrovac, Fabrikation elektrotechnischer Spezialartikel Gesell
Feiereisen Henry M.
Hoffberg Robert J.
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