GB1317967A - Null adjuster for magnetically operated torque motors - Google Patents

Null adjuster for magnetically operated torque motors

Info

Publication number
GB1317967A
GB1317967A GB3889870A GB3889870A GB1317967A GB 1317967 A GB1317967 A GB 1317967A GB 3889870 A GB3889870 A GB 3889870A GB 3889870 A GB3889870 A GB 3889870A GB 1317967 A GB1317967 A GB 1317967A
Authority
GB
United Kingdom
Prior art keywords
armature
flux
pair
cap
gaps
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB3889870A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PepsiAmericas Inc
Original Assignee
Abex Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Abex Corp filed Critical Abex Corp
Publication of GB1317967A publication Critical patent/GB1317967A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16—Rectilinearly-movable armatures
    • H01F7/1638—Armatures not entering the winding
    • H01F7/1646—Armatures or stationary parts of magnetic circuit having permanent magnet
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/14—Pivoting armatures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/121—Guiding or setting position of armatures, e.g. retaining armatures in their end position
    • H01F7/122—Guiding or setting position of armatures, e.g. retaining armatures in their end position by permanent magnets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2278—Pressure modulating relays or followers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Manufacture Of Motors, Generators (AREA)
GB3889870A 1970-01-29 1970-08-12 Null adjuster for magnetically operated torque motors Expired GB1317967A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US685370A 1970-01-29 1970-01-29

Publications (1)

Publication Number Publication Date
GB1317967A true GB1317967A (en) 1973-05-23

Family

ID=21722937

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3889870A Expired GB1317967A (en) 1970-01-29 1970-08-12 Null adjuster for magnetically operated torque motors

Country Status (6)

Country Link
US (1) US3587016A (enExample)
JP (1) JPS49930B1 (enExample)
CH (1) CH524269A (enExample)
DE (1) DE2048996C3 (enExample)
FR (1) FR2074891A5 (enExample)
GB (1) GB1317967A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3308773A1 (de) * 1982-03-19 1983-09-22 Dowty Hydraulic Units Ltd., Cheltenham, Gloucestershire Elektromagnetischer motor, insbesondere zum betrieb von elektrohydraulischen servoventilen
US7210500B2 (en) 2004-10-28 2007-05-01 Hr Textron, Inc. Methods and apparatus for mechanically adjusting a null offset in a torque motor of a servovalve

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4507634A (en) * 1983-04-28 1985-03-26 Pneumo Corporation Force motor with null centering and null position bias
FR2573503B1 (fr) * 1984-11-19 1987-05-15 Gibert Pierre Servo-valve perfectionnee du type comprenant un moteur couple de commande
DE3843646C2 (de) * 1988-12-23 1994-05-26 Spinner Georg Elektromagnetischer Schalterantrieb
US5146126A (en) * 1991-09-05 1992-09-08 Hr Textron Inc. Adjustable rotor assembly
CZ301879B6 (cs) * 2004-03-22 2010-07-21 Jihostroj A. S. Servoventil s momentovým motorem
US8302932B2 (en) * 2009-03-07 2012-11-06 John Sam Bakke Sprinkler valve test and control device and method thereof
FR2981133B1 (fr) * 2011-10-10 2013-10-25 In Lhc Procede de detection de defaillance d'une servovalve et servovalve faisant application.
CN105190797A (zh) * 2012-12-21 2015-12-23 费斯托股份有限两合公司 电动机械的驱动装置和磁阀
EP3217020B1 (en) * 2016-03-10 2020-04-29 Hamilton Sundstrand Corporation Flapper and armature/flapper assembly for use in a servovalve

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3308773A1 (de) * 1982-03-19 1983-09-22 Dowty Hydraulic Units Ltd., Cheltenham, Gloucestershire Elektromagnetischer motor, insbesondere zum betrieb von elektrohydraulischen servoventilen
GB2117181A (en) * 1982-03-19 1983-10-05 Dowty Hydraulic Units Ltd Armature position adjusting device in
US4518937A (en) * 1982-03-19 1985-05-21 Dowty Hydraulic Units Limited Electro-hydraulic servo valves and electrical force motors suitable therefor
US7210500B2 (en) 2004-10-28 2007-05-01 Hr Textron, Inc. Methods and apparatus for mechanically adjusting a null offset in a torque motor of a servovalve
US7458394B2 (en) 2004-10-28 2008-12-02 Hr Textron, Inc. Methods and apparatus for mechanically adjusting a null offset in a torque motor of a servovalve

Also Published As

Publication number Publication date
FR2074891A5 (enExample) 1971-10-08
DE2048996B2 (de) 1975-04-17
CH524269A (de) 1972-06-15
DE2048996C3 (de) 1975-12-18
DE2048996A1 (de) 1971-08-05
US3587016A (en) 1971-06-22
JPS49930B1 (enExample) 1974-01-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years