Nutating motor gate valve operator and rotor assembly

Details Nutating motor gate valve operator and rotor assembly Nutating motor gate valve operator and rotor assembly

1980-03-10

1982-11-23

Miller, J. D.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 80, 310 83, 74 60, 744248VA, H02K 706

Patent

active

043607527

ABSTRACT:
A rotor for a nutating motor has an annular cavity formed in one face thereof, which cavity receives a helically wound ring of magnetically permeable material.
A gate valve operator assembly couples the hollow output shaft of a nutating motor to a valve stem, which axially moves within the hollow output shaft. An internally threaded spindle, or stem nut, is rotatably mounted to engage the externally threaded valve stem. The spindle and the hollow motor shaft are coupled together by means of a tab engaging a correspondingly formed notch. Axial movement of the spindle is prevented by means of a flanged radially extending circumferential rim formed as part of the spindle.

REFERENCES:
patent: 2956188 (1960-10-01), White
patent: 3220282 (1965-11-01), Magos
patent: 3327826 (1967-06-01), Henschke
patent: 3530322 (1970-09-01), Newell

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