Title: Servovalve feedback wire interface configuration

Abstract: An improvement in a servovalve employing spool-valve-position feedback provided by a feedback spring, wherein the feedback spring centerline is not aligned vertically with the center line of the spool valve, comprising a receiving hole in the spool valve body and a slot in the spool for feedback spring clearance; a pin or ball rigidly attached to the feedback spring with the portions of the pin or the ball which contact the sides of the receiving hole fitting in face to face relation to the inner surface of recesses formed in the slot by the hole.

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Inventors: Haydt, Richard J. (Los Angeles, CA)

Application Number: 06/111515
Filing Date: 1980-01-14
Publication_date: 1981-08-25
Assignee: TEXTRON INC

Primary Class(es): 137/85 403/122, 91/365, 137/625.640, 403/115, 91/387
Other Classes: F15B13/16; F15B13/00; F15B13/16
US Patent Ref:

3584649	June, 1971	Cobb	137/625.64	RESILIENTLY DEFORMABLE INTERCONNECTION BETWEEN DRIVEN AND DRIVING MEMBERS IN SERVO VALVE
3814131	June, 1974	Takahashi et al.	137/625.62	SERVO VALVE

Other Refs:
Primary Examiner: Michalsky, Gerald A.
Assistant Examiner:
Attorney: Nilsson, Robbins, Dalgarn, Berliner, Carson & Wurst

Claims: