Rotor structure for a position sensor

Details Rotor structure for a position sensor Rotor structure for a position sensor

1993-11-08

1996-07-23

Huang, Tu

Electrical resistors

Mechanically variable

With resistor actuator position indicator

338166, 338185, 731181, H01C 1000

Patent

active

055393730

ABSTRACT:
A rotor for use in a rotary position sensor includes an opening designed to receive a shaft having a flat. The rotor has a wedge within the opening designed to engage the shaft firmly but minimize insertion forces. Several troughs running parallel to the shaft and adjacent to the wedge aid in retention by adding a controlled amount of resilience to the rotor. On a shaft receiving end of the rotor there is an additional taper to help with coaxial alignment of the rotor opening and the shaft. On the shaft exiting end there is a half-moon like configuration designed to provide a force opposing surface during shaft insertion while not adversely impacting either the full insertion of the shaft or potential drag between the rotor and the sensor housing. The rotor is designed to offer unique advantage in insertion force to install the rotor on the shaft, while retention force and potential drag against the position sensor housing are minimized.

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