Electric signal transfer systems

Details Electric signal transfer systems Electric signal transfer systems

1985-04-01

1986-05-13

Camby, John J.

Heating

Having condition responsive control

374141, 374154, 374166, F27B 126, G01K 108, G01K 700

Patent

active

045883769

ABSTRACT:
A rotary kiln has a number of thermocouples respectively sensing the kiln temperature at spaced locations and respectively connected to annular slip rings each in kiln sections. Laterally facing peripheral surfaces of the rings are respectively cooperable with brush contacts connected to a bar and a fork which embraces a ring moveable axially with the rings. Thus, on longitudinal expansion of the kiln the contacts are caused to move with the rings. The electric signal from the thermocouples are fed to a stationary sensor. In a modification the ring sections are electrically isolated and each section is connected to a respective sensor. Position sensors may be used to detect the rotary position of the kiln. The invention can be applied to other sensors.

REFERENCES:
patent: 3825405 (1974-07-01), Suga
patent: 4397569 (1983-08-01), Davis

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