Universal coupler for a self aligning linear actuator

Details Universal coupler for a self aligning linear actuator Universal coupler for a self aligning linear actuator

1998-11-24

2000-05-02

Rivell, John

Valves and valve actuation

Electrically actuated valve

Rotary electric actuator

251 86, 744248VA, F16K 3104, F16K 2500

Patent

active

060562625

ABSTRACT:
A universal coupler for a self aligning linear actuator for a valve assembly. The self aligning linear actuator utilizes a drive screw or other threaded drive means to drive a plunger for a throttle valve. The drive screw rotates within a frame while a threaded collar or ball screw coupled to a drive coupler drives the plunger parallel to the drive screw. The universal coupler relieves any bending strain induced by misalignment between the drive screw and the plunger by allowing pivotal movement of the drive coupler relative to the drive screw.

REFERENCES:
patent: 3313178 (1967-04-01), Saunders
patent: 3327826 (1967-06-01), Henschke
patent: 4647006 (1987-03-01), Glynn et al.
patent: 4756506 (1988-07-01), Meyers et al.
patent: 4790346 (1988-12-01), Kolze et al.
patent: 5464039 (1995-11-01), Bergamini
patent: 5709369 (1998-01-01), Hawkins et al.
patent: 5916325 (1999-06-01), Madrid et al.

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