DE20104130U1 - Miniature electric motor - Google Patents

Miniature electric motor

Info

Publication number
DE20104130U1
DE20104130U1 DE20104130U DE20104130U DE20104130U1 DE 20104130 U1 DE20104130 U1 DE 20104130U1 DE 20104130 U DE20104130 U DE 20104130U DE 20104130 U DE20104130 U DE 20104130U DE 20104130 U1 DE20104130 U1 DE 20104130U1
Authority
DE
Germany
Prior art keywords
electric motor
small electric
shaft
motor according
markings
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 - Lifetime
Application number
DE20104130U
Other languages
German (de)
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.)
Maxon Motor AG
Original Assignee
Maxon Motor AG
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 Maxon Motor AG filed Critical Maxon Motor AG
Priority to DE20104130U priority Critical patent/DE20104130U1/en
Priority to PCT/EP2002/002578 priority patent/WO2002073216A1/en
Publication of DE20104130U1 publication Critical patent/DE20104130U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/347—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
    • G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/486—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by photo-electric detectors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/14—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with speed sensing devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
    • H02K29/10—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using light effect devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (8)

1. Elektrokleinstmotor mit zumindest einer Welle (3), wobei die Welle die Abtriebswelle des Elektrokleinstmotors ist und auf der Welle wenigstens eine Markierung (4) ange­ bracht ist, dadurch gekennzeichnet, dass die Markierung durch Lasergravur herge­ stellt ist.1. Small electric motor with at least one shaft ( 3 ), the shaft being the output shaft of the small electric motor and at least one marking ( 4 ) is placed on the shaft, characterized in that the marking is produced by laser engraving. 2. Elektrokleinstmotor nach Anspruch 1, dadurch gekennzeichnet, dass die Markie­ rung durch eine sich in radialer Richtung gegenüber einer Außenfläche der Welle erstreckende Vertiefung oder Erhöhung gebildet ist.2. Small electric motor according to claim 1, characterized in that the Markie tion in the radial direction with respect to an outer surface of the shaft extending depression or elevation is formed. 3. Elektrokleinstmotor nach einem der vorangegangenen Ansprüche, dadurch gekenn­ zeichnet, dass mehrere Markierungen vorgesehen sind. 3. Small electric motor according to one of the preceding claims, characterized records that multiple markings are provided.   4. Elektrokleinstmotor nach einem der vorangegangenen Ansprüche, dadurch gekenn­ zeichnet, dass die Markierungen gleichmäßig beabstandet am Umfang der Welle angeordnet sind.4. Small electric motor according to one of the preceding claims, characterized records that the marks are evenly spaced around the circumference of the shaft are arranged. 5. Elektrokleinstmotor nach einem der vorangegangenen Ansprüche, dadurch gekenn­ zeichnet, dass die Markierungen im Wesentlichen balkenförmig sind.5. Small electric motor according to one of the preceding claims, characterized shows that the markings are essentially bar-shaped. 6. Elektrokleinstmotor nach einem der vorangegangenen Ansprüche, dadurch gekenn­ zeichnet, dass die Markierung sich in Achsrichtung der Welle erstrecken.6. Small electric motor according to one of the preceding claims, characterized shows that the marking extends in the axial direction of the shaft. 7. Elektrokleinstmotor nach einem der vorangegangenen Ansprüche, dadurch gekenn­ zeichnet, dass die Markierungen parallel zueinander verlaufen.7. Small electric motor according to one of the preceding claims, characterized shows that the markings run parallel to each other. 8. Elektrokleinstmotor nach einem der vorangegangenen Ansprüche, dadurch gekenn­ zeichnet, dass die Markierungen vom Ende der Welle beabstandet sind, um beim Betrieb des Elektrokleinstmotors in radialer Richtung zugänglich zu sein.8. Small electric motor according to one of the preceding claims, characterized records that the markings are spaced from the end of the shaft to be at Operation of the small electric motor to be accessible in the radial direction.
DE20104130U 2001-03-09 2001-03-09 Miniature electric motor Expired - Lifetime DE20104130U1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE20104130U DE20104130U1 (en) 2001-03-09 2001-03-09 Miniature electric motor
PCT/EP2002/002578 WO2002073216A1 (en) 2001-03-09 2002-03-08 Electric micromotor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20104130U DE20104130U1 (en) 2001-03-09 2001-03-09 Miniature electric motor

Publications (1)

Publication Number Publication Date
DE20104130U1 true DE20104130U1 (en) 2002-07-18

Family

ID=7954079

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20104130U Expired - Lifetime DE20104130U1 (en) 2001-03-09 2001-03-09 Miniature electric motor

Country Status (2)

Country Link
DE (1) DE20104130U1 (en)
WO (1) WO2002073216A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2108925A1 (en) * 2008-04-08 2009-10-14 Ansaldo Energia S.P.A. A method and device for counting the number of revolutions of an alternator

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012202066A1 (en) * 2012-02-10 2013-08-14 Mahle International Gmbh Camshaft / motor shaft
NL1040225C2 (en) * 2013-05-23 2014-11-26 Janssen Prec Engineering Fibre based cryogenic optical encoder.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE599699C (en) * 1932-07-10 1934-07-07 Aeg Device for measuring, monitoring or automatic speed control by means of a photoelectric cell
US3676765A (en) * 1970-06-30 1972-07-11 Trans Sonics Inc Tachometer generator
US4061950A (en) * 1974-08-13 1977-12-06 Victor Company Of Japan, Limited Pulse generating device for regulating the rotational speed of a body
DE3803597A1 (en) * 1988-02-06 1989-08-31 Bosch Gmbh Robert COMBINED SPEED / TEMPERATURE SENSOR
DE29713693U1 (en) * 1997-08-01 1997-10-02 Behr Karl Dr Tool operating device, in particular for the dental field

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2709088B2 (en) * 1988-08-24 1998-02-04 株式会社リコー Rotation amount measurement method
US5734108A (en) * 1992-04-10 1998-03-31 Walker; Dana A. System for sensing shaft displacement and strain
GB9810864D0 (en) * 1998-05-20 1998-07-22 Westwind Air Bearings Ltd Rotary shaft speed control

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE599699C (en) * 1932-07-10 1934-07-07 Aeg Device for measuring, monitoring or automatic speed control by means of a photoelectric cell
US3676765A (en) * 1970-06-30 1972-07-11 Trans Sonics Inc Tachometer generator
US4061950A (en) * 1974-08-13 1977-12-06 Victor Company Of Japan, Limited Pulse generating device for regulating the rotational speed of a body
DE3803597A1 (en) * 1988-02-06 1989-08-31 Bosch Gmbh Robert COMBINED SPEED / TEMPERATURE SENSOR
DE29713693U1 (en) * 1997-08-01 1997-10-02 Behr Karl Dr Tool operating device, in particular for the dental field

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Elektronische Drehzahlmesser. In: Deutsches Elektrohandwerk 40, 1965, H.15, S.539,540 *
RICHTER,Heinz: Elektronische Drehzahlmesser. In: Elektro-Technik, Nr.35, 31. Aug. 1957, S.284-286 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2108925A1 (en) * 2008-04-08 2009-10-14 Ansaldo Energia S.P.A. A method and device for counting the number of revolutions of an alternator

Also Published As

Publication number Publication date
WO2002073216A1 (en) 2002-09-19

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Legal Events

Date Code Title Description
R163 Identified publications notified
R207 Utility model specification

Effective date: 20020822

R150 Term of protection extended to 6 years

Effective date: 20040423

R079 Amendment of ipc main class

Free format text: PREVIOUS MAIN CLASS: H02P0005000000

Ipc: H02P0029000000

R151 Term of protection extended to 8 years

Effective date: 20070319

R152 Term of protection extended to 10 years

Effective date: 20090319

R071 Expiry of right