Rheostatic devices

Details Rheostatic devices Rheostatic devices

1985-11-27

1987-10-20

Goldberg, E. A.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338152, 338163, H01C 1032

Patent

active

047017406

ABSTRACT:
The interior of a rheostatic device, such as a throttle-valve position potiometer having a rotor with sliding spring contact and a housing exposing at least one end of the rotor for operation, is sealed off against environmental effects by at least two hollow cylindrical rotor walls which are located concentrically within each other and extend towards a lid attached to a bottom part of the housing and at least two hollow cylindrical walls of said lid which are concentrically disposed within each other and extend between the rotor walls.

REFERENCES:
patent: 2177285 (1939-10-01), Schellenger
patent: 3723937 (1973-03-01), Frey, Jr. et al.
patent: 4110721 (1978-08-01), Nakanishi et al.
patent: 4430634 (1984-02-01), Hufford et al.
Krafthand, "Elektronischer Vergaser Serienreif", Aug. 6, 1983, pp. 877-881.

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