CA990335A - Brushless linear dc motor actuator - Google Patents

Brushless linear dc motor actuator

Info

Publication number
CA990335A
CA990335A CA185,471A CA185471A CA990335A CA 990335 A CA990335 A CA 990335A CA 185471 A CA185471 A CA 185471A CA 990335 A CA990335 A CA 990335A
Authority
CA
Canada
Prior art keywords
motor actuator
brushless linear
brushless
linear
actuator
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
CA185,471A
Other languages
English (en)
Other versions
CA185471S (en
Inventor
Brandt M. Griffing
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA990335A publication Critical patent/CA990335A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J19/00—Character- or line-spacing mechanisms
    • B41J19/18—Character-spacing or back-spacing mechanisms; Carriage return or release devices therefor
    • B41J19/20—Positive-feed character-spacing mechanisms
    • B41J19/30—Electromagnetically-operated mechanisms
    • B41J19/305—Linear drive mechanisms for carriage movement
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/035—DC motors; Unipolar motors
    • H02K41/0352—Unipolar motors
    • H02K41/0354—Lorentz force motors, e.g. voice coil motors
    • H02K41/0356—Lorentz force motors, e.g. voice coil motors moving along a straight path

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Power Engineering (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Linear Motors (AREA)
CA185,471A 1972-12-19 1973-11-09 Brushless linear dc motor actuator Expired CA990335A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31664572A 1972-12-19 1972-12-19

Publications (1)

Publication Number Publication Date
CA990335A true CA990335A (en) 1976-06-01

Family

ID=23229983

Family Applications (1)

Application Number Title Priority Date Filing Date
CA185,471A Expired CA990335A (en) 1972-12-19 1973-11-09 Brushless linear dc motor actuator

Country Status (6)

Country Link
JP (1) JPS5212362B2 (enrdf_load_stackoverflow)
CA (1) CA990335A (enrdf_load_stackoverflow)
DE (1) DE2360973C2 (enrdf_load_stackoverflow)
FR (1) FR2210857B1 (enrdf_load_stackoverflow)
GB (1) GB1397890A (enrdf_load_stackoverflow)
IT (1) IT1001552B (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4359289A (en) * 1979-11-20 1982-11-16 Printronix, Inc. Counterbalanced bidirectional shuttle drive having linear motor
EP0222362B1 (en) * 1985-11-13 1990-05-09 Sharp Kabushiki Kaisha Linear motor
GB8805420D0 (en) * 1988-03-08 1988-04-07 Framo Dev Ltd Electrically powered pump unit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1134117A (fr) * 1954-09-27 1957-04-08 Schubert & Salzer Maschinen Procédé et dispositif pour entraîner des pièces de machines en un mouvement de va-et-vient à l'aide de champs magnétiques alternatifs
US3440464A (en) * 1965-08-02 1969-04-22 Sperry Rand Corp Electromagnetic apparatus
US3588767A (en) * 1969-02-13 1971-06-28 Esterline Corp Servomotor shuttle guide assembly
NL7107133A (enrdf_load_stackoverflow) * 1970-05-28 1971-11-30

Also Published As

Publication number Publication date
DE2360973C2 (de) 1982-04-29
JPS4989808A (enrdf_load_stackoverflow) 1974-08-28
GB1397890A (en) 1975-06-18
FR2210857A1 (enrdf_load_stackoverflow) 1974-07-12
JPS5212362B2 (enrdf_load_stackoverflow) 1977-04-06
FR2210857B1 (enrdf_load_stackoverflow) 1978-03-10
DE2360973A1 (de) 1974-06-20
IT1001552B (it) 1976-04-30

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