CA1257645C - - Google Patents

Info

Publication number
CA1257645C
CA1257645C CA 475641 CA475641A CA1257645C CA 1257645 C CA1257645 C CA 1257645C CA 475641 CA475641 CA 475641 CA 475641 A CA475641 A CA 475641A CA 1257645 C CA1257645 C CA 1257645C
Authority
CA
Canada
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
CA 475641
Other versions
CA1253202A1 (en
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 to US59280984A priority Critical
Priority to US592,809 priority
Application filed filed Critical
Priority claimed from CA000578623A external-priority patent/CA1257645A/en
Publication of CA1253202A1 publication Critical patent/CA1253202A1/en
Application granted granted Critical
Publication of CA1257645C publication Critical patent/CA1257645C/xx
Application status is Expired legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P23/00Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/0077Characterised by the use of a particular software algorithm
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P25/00Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/02Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
    • H02P25/10Commutator motors, e.g. repulsion motors
    • H02P25/14Universal motors
    • H02P25/145Universal motors whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value, speed feedback
CA 475641 1984-03-23 1985-03-04 Expired CA1257645C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US59280984A true 1984-03-23 1984-03-23
US592,809 1984-03-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000578623A CA1257645A (en) 1984-03-23 1988-09-27 Method of detecting kickback condition in a motor driven tool

Publications (2)

Publication Number Publication Date
CA1253202A1 CA1253202A1 (en) 1989-04-25
CA1257645C true CA1257645C (en) 1989-07-18

Family

ID=24372154

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 475641 Expired CA1257645C (en) 1984-03-23 1985-03-04

Country Status (7)

Country Link
JP (2) JP2630930B2 (en)
AU (1) AU570385B2 (en)
CA (1) CA1257645C (en)
DE (1) DE3510619A1 (en)
FR (1) FR2566977B1 (en)
GB (1) GB2156546B (en)
IT (1) IT1222364B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5923145A (en) * 1997-08-15 1999-07-13 S-B Power Tool Company Controller for variable speed motor
US20040155532A1 (en) * 2003-02-07 2004-08-12 Brotto Daniele C. Method for sensing switch closure to prevent inadvertent startup
JP5462575B2 (en) 2009-10-05 2014-04-02 株式会社マキタ Electric tool

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5058513A (en) * 1971-07-01 1975-05-21
DE2324174A1 (en) * 1973-05-12 1974-11-28 Metabowerke Kg Electric motor driven hand drill with adjustable speed
FR2254056B1 (en) * 1973-12-10 1977-08-12 Mitsubishi Heavy Ind Ltd
DE2546478A1 (en) * 1975-10-17 1977-04-21 Schlafhorst & Co W Winding reel starting circuit - with changeover switches before speed and armature current comparators for thyristor firing circuit
DE2744361A1 (en) * 1977-10-01 1979-04-05 Huebner Johannes Motor speed control system - has tachogenerator pulse train frequency increased or reduced by fixed factor, so as to be equal to reference frequency
DE2829657C2 (en) * 1978-07-06 1986-09-11 Pfaff Haushaltmaschinen Gmbh, 7500 Karlsruhe, De
JPS624951B2 (en) * 1978-09-04 1987-02-02 Hitachi Ltd
JPS5569899U (en) * 1978-11-02 1980-05-14
US4249117A (en) * 1979-05-01 1981-02-03 Black And Decker, Inc. Anti-kickback power tool control
DE2933355A1 (en) * 1979-08-17 1981-03-26 Scintilla Ag Electric hand tool
US4307325A (en) * 1980-01-28 1981-12-22 Black & Decker Inc. Digital control system for electric motors in power tools and the like
JPS56145792A (en) * 1980-04-10 1981-11-12 Star Seiki:Kk Control circuit for induction type geared motor
DE3101511A1 (en) * 1981-01-19 1982-08-26 Siemens Ag Method and arrangement for determining the load of power tools driven by an electro-
JPS598479Y2 (en) * 1982-04-22 1984-03-15
GB2123174A (en) * 1982-06-07 1984-01-25 Singer Co Speed selector for power tool
JPS60100213A (en) * 1983-11-04 1985-06-04 Komatsu Ltd Control method of robot
JPS62247784A (en) * 1986-04-21 1987-10-28 Matsushita Electric Works Ltd Speed control circuit for motor
JPH0512464U (en) * 1991-07-26 1993-02-19 株式会社東芝 Of the hydraulic elevator Pawayunitsuto

Also Published As

Publication number Publication date
GB2156546B (en) 1987-10-21
CA1253202A1 (en) 1989-04-25
JP2630930B2 (en) 1997-07-16
JP2852716B2 (en) 1999-02-03
DE3510619A1 (en) 1985-09-26
IT1222364B (en) 1990-09-05
AU3971685A (en) 1985-09-26
FR2566977A1 (en) 1986-01-03
IT8520020D0 (en) 1985-03-22
AU570385B2 (en) 1988-03-10
GB8506389D0 (en) 1985-04-11
FR2566977B1 (en) 1995-03-24
JPS611297A (en) 1986-01-07
JPH06297298A (en) 1994-10-25
GB2156546A (en) 1985-10-09

Similar Documents

Publication Publication Date Title
CH669707A (en)
DE3400149C2 (en)
BG45508A1 (en)
CH655682B (en)
DE3402743C2 (en)
DE3404220C2 (en)
DE3404112C2 (en)
DE3403809C2 (en)
DE3402945C2 (en)
DE3403378C2 (en)
DE3401141C2 (en)
DE3401270C2 (en)
CH655556B (en)
DE3404263C2 (en)
DE3404095C2 (en)
DE3400850C2 (en)
DE3403813C2 (en)
CA1251821C (en)
DE3403198C2 (en)
DE3401186C2 (en)
DE3400331C2 (en)
DE3404005C2 (en)
BG45105A1 (en)
CA1260649C (en)
DE3402577C2 (en)

Legal Events

Date Code Title Description
MKEX Expiry