The schematic diagram, of course, only shows the circuitry and not the pipe where the switch is physically mounted: This particular flow switch is used to trigger an alarm light if coolant flow through the pipe ever falls to a dangerously low level, and the contacts are normally-closed as ...
means located adjacent said condition responsive device for causing closure of said pilot burner valve, and means operative upon said valve being so closed and upon said condition responsive device calling for burner operation to open said pilot burner valve, render said ignition means operative to ...
Figure 1.(a) Cross-section schematic view of the AlGaN/GaN MIS-HEMT with a recessed gate. (b) MIS gate stack structure. (c) SEM image of the MIS-HEMT with a recessed gate. In this case, the GaN cap and AlGaN barrier were recessed by multiple cycles of oxidation and etching using ...