FR2458934B1 - LINEAR MOTOR - Google Patents

LINEAR MOTOR

Info

Publication number
FR2458934B1
FR2458934B1 FR8012371A FR8012371A FR2458934B1 FR 2458934 B1 FR2458934 B1 FR 2458934B1 FR 8012371 A FR8012371 A FR 8012371A FR 8012371 A FR8012371 A FR 8012371A FR 2458934 B1 FR2458934 B1 FR 2458934B1
Authority
FR
France
Prior art keywords
linear motor
linear
motor
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
FR8012371A
Other languages
French (fr)
Other versions
FR2458934A1 (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.)
Polaroid Corp
Original Assignee
Polaroid 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
Priority claimed from US06/045,830 external-priority patent/US4265530A/en
Application filed by Polaroid Corp filed Critical Polaroid Corp
Publication of FR2458934A1 publication Critical patent/FR2458934A1/en
Application granted granted Critical
Publication of FR2458934B1 publication Critical patent/FR2458934B1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters
    • G03B9/28—Roller blind or flexible plate
    • G03B9/32—Double blind
    • 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
    • H01F7/1607—Armatures entering the winding
    • H01F7/1615—Armatures or stationary parts of magnetic circuit having permanent magnet
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/12—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moving in alternate directions by alternate energisation of two coil systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
    • 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
    • H01F2007/1692—Electromagnets or actuators with two coils
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Linear Motors (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
FR8012371A 1979-06-05 1980-06-04 LINEAR MOTOR Expired FR2458934B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US4582279A 1979-06-05 1979-06-05
US06/045,830 US4265530A (en) 1979-06-05 1979-06-05 Shutter blade drive system

Publications (2)

Publication Number Publication Date
FR2458934A1 FR2458934A1 (en) 1981-01-02
FR2458934B1 true FR2458934B1 (en) 1985-11-15

Family

ID=26723238

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8012371A Expired FR2458934B1 (en) 1979-06-05 1980-06-04 LINEAR MOTOR

Country Status (4)

Country Link
CA (1) CA1132646A (en)
DE (1) DE3020852A1 (en)
FR (1) FR2458934B1 (en)
GB (1) GB2052886B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19646243C1 (en) * 1996-11-08 1997-10-23 Siemens Ag Electromagnetic difference current circuit-breaker release
DE4027366A1 (en) * 1990-06-26 1992-03-19 Lucas Elektro Bau Elemente ACTUATOR FOR ADJUSTING TWO LAYERS
IT1311198B1 (en) * 1999-01-28 2002-03-04 Electrolux Zanussi Elettrodome ELECTROMAGNETIC ACTUATOR PERFECTED FOR SIMILAR WASHING MACHINES
US6736614B1 (en) 1999-04-19 2004-05-18 Leybold Vakuum Gmbh Rotary piston drive mechanism
AU3163200A (en) * 1999-04-19 2000-11-02 Leybold Vakuum Gmbh Oscillating piston drive
JP4388203B2 (en) * 2000-05-23 2009-12-24 ミネベア株式会社 Combined electromagnetic actuator device
US6870454B1 (en) * 2003-09-08 2005-03-22 Com Dev Ltd. Linear switch actuator
DE102005049620A1 (en) * 2005-10-16 2007-05-03 Günter Biechele Oscillating drive for use in alternating current field, has permanent magnetic core with permanent magnets, where effective pole surface of movable core has same permanent magnet polarity in direction of respective active poles of magnets
WO2008036142A1 (en) * 2006-06-26 2008-03-27 Battelle Energy Alliance, Llc Motor/generator
KR20090035685A (en) * 2006-06-26 2009-04-10 배텔레 에너지 얼라이언스, 엘엘씨 Magnetic structure
US7688036B2 (en) 2006-06-26 2010-03-30 Battelle Energy Alliance, Llc System and method for storing energy
WO2009126188A2 (en) * 2007-12-26 2009-10-15 M2E Power, Inc. Electro-mechanical system
DE102008000534A1 (en) 2008-03-06 2009-09-10 Zf Friedrichshafen Ag Electromagnetic actuator
CN103779037A (en) * 2013-12-25 2014-05-07 许水广 Efficient high-speed permanent magnet direct current electromagnetic device
CN113517108A (en) * 2021-03-19 2021-10-19 烟台金钢磁性材料有限公司 Large-stroke quick-response electromagnet

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2917681A (en) * 1956-09-26 1959-12-15 Powers Samas Account Mach Ltd Electrically operable prime movers
US3022400A (en) * 1957-06-27 1962-02-20 Ahlefeldt Rolf S Von Two-way solenoid
FR1298381A (en) * 1961-05-29 1962-07-13 Polarized iron vibration generator
US3462666A (en) * 1964-07-24 1969-08-19 Union Oil Co Levitated reciprocating motor
DE1489088A1 (en) * 1964-10-30 1969-05-29 List Dipl Ing Heinrich Polarized electromagnetic propulsion system
FR1472032A (en) * 1965-03-12 1967-03-10 Reciprocating drive machine with electromagnetic control
DE1488564A1 (en) * 1965-06-05 1969-08-07 List Dipl Ing Heinrich Electromagnetic vibratory drive with permanent magnetic premagnetization
DE2013051A1 (en) * 1970-03-19 1971-10-07 Magnetschultz Spezialfabrik F Electromagnet for regulating purposes
US3900822A (en) * 1974-03-12 1975-08-19 Ledex Inc Proportional solenoid
FR2325237A1 (en) * 1975-09-16 1977-04-15 Mikrut Antoine Reversible brushless DC motor - has permanent magnet armature, is variable in speed and may be produced in linear or rotating versions
US4121235A (en) * 1975-09-23 1978-10-17 Fuji Photo Film Co., Ltd. Electromagnetically operated shutter mechanism

Also Published As

Publication number Publication date
FR2458934A1 (en) 1981-01-02
GB2052886A (en) 1981-01-28
DE3020852A1 (en) 1980-12-18
CA1132646A (en) 1982-09-28
GB2052886B (en) 1984-03-21

Similar Documents

Publication Publication Date Title
BE856441A (en) SYNCHROME MOTOR
BR8001416A (en) LINEAR ELECTRIC MOTOR
JPS55136865A (en) Linear motor
FI782863A (en) MED ELEKTRISK MOTOR FOERSEDD ROTATIONSKROPP FOER MYNTSPELSAPPARATER
SE8000134L (en) DC MOTOR ENGINE
FR2458934B1 (en) LINEAR MOTOR
GB2047979B (en) Linear motor
FR2353987A1 (en) LINEAR MOTOR
FR2308235A1 (en) LINEAR MOTOR WINDING
FI792406A (en) HYDRAULISK MOTOR
FR2352428A1 (en) LINEAR MOTOR
DK482580A (en) ELECTRIC ENGINE
IT1151037B (en) ELECTRIC MOTOR
TR21036A (en) AIR-COMPRESSED DIRECT-INJECTION ICTEN YANMAH MOTOR
ES490812A0 (en) IMPROVEMENTS IN GEAR MOTORS
FI801183A (en) HYDRAULISK MOTOR
FR2544565B1 (en) LINEAR MOTOR
DK49980A (en) CRANK DRIVE
FI802251A (en) TILLAEGGSUPPVAERMNING OBEROENDE AV MOTOR
AT388417B (en) DRIVE UNIT
AR220222A1 (en) MOTOR SLIDING
FI793760A (en) HYDRAULISK MOTOR
PT71005A (en) AERO-HYDRAULIC MOTOR
IT8068637A0 (en) MAGNETIC MOTOR
BR7908686A (en) IONIC-ATMOSPHERIC ENGINE

Legal Events

Date Code Title Description
ST Notification of lapse