NL7302787A - - Google Patents

Info

Publication number
NL7302787A
NL7302787A NL7302787A NL7302787A NL7302787A NL 7302787 A NL7302787 A NL 7302787A NL 7302787 A NL7302787 A NL 7302787A NL 7302787 A NL7302787 A NL 7302787A NL 7302787 A NL7302787 A NL 7302787A
Authority
NL
Netherlands
Application number
NL7302787A
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 filed Critical
Publication of NL7302787A publication Critical patent/NL7302787A/xx

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/02—Arrangements 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
    • H02P25/10—Commutator motors, e.g. repulsion motors
    • H02P25/14—Universal motors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C10/00—Adjustable resistors
    • H01C10/50—Adjustable resistors structurally combined with switching arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/06—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/06—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
    • H01H9/061—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner enclosing a continuously variable impedance
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/28—Controlling the motor by varying the switching frequency of switches connected to a DC supply and the motor phases

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Control Of Direct Current Motors (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Basic Packing Technique (AREA)
  • Adjustable Resistors (AREA)
  • Drilling And Boring (AREA)
  • Portable Power Tools In General (AREA)
  • Control Of Ac Motors In General (AREA)
  • Mechanical Control Devices (AREA)
NL7302787A 1972-03-01 1973-02-28 NL7302787A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23064572A 1972-03-01 1972-03-01

Publications (1)

Publication Number Publication Date
NL7302787A true NL7302787A (en) 1973-09-04

Family

ID=22866028

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7302787A NL7302787A (en) 1972-03-01 1973-02-28

Country Status (10)

Country Link
JP (1) JPS4899781A (en)
AU (1) AU476253B2 (en)
CA (1) CA973942A (en)
CH (1) CH579332A5 (en)
DE (1) DE2309783C2 (en)
ES (1) ES412197A1 (en)
FR (1) FR2174155B1 (en)
GB (1) GB1417737A (en)
IT (1) IT977536B (en)
NL (1) NL7302787A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2629723C3 (en) * 1976-07-02 1980-07-03 Scintilla Ag, Solothurn (Schweiz) Manually operated built-in switching device for electrical machines
DE3508296A1 (en) * 1985-03-08 1986-10-09 Agintec AG, Pfäffikon PIPE CONNECTION

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1275550A (en) * 1960-10-13 1961-11-10 Singer Mfg Co Portable electric drill with built-in adjustment and speed regulation device
US3327196A (en) * 1965-04-01 1967-06-20 Carling Electric Inc Variable speed control for power hand tools and the like
US3721879A (en) * 1965-07-02 1973-03-20 Arrow Hart Inc Power control for portable electric tool
DE1602904A1 (en) * 1967-04-12 1970-08-13 Metabowerke Kg Electric hand drill with adjustable speed
US3546556A (en) * 1967-11-29 1970-12-08 Cutler Hammer Inc Universal power control module for portable tool or appliance control systems
US3530319A (en) * 1969-03-26 1970-09-22 Cutler Hammer Inc Switch assembly for adjustable speed tool
US3594523A (en) * 1969-05-08 1971-07-20 Skil Corp Electric switch with bridging contact
US3543120A (en) * 1969-07-28 1970-11-24 Skil Corp Trigger operated speed control unit with circuit board
DE2055859B2 (en) * 1970-11-13 1971-12-16 Licentia Patent Verwaltungs GbmH, 6000 Frankfurt ELECTRIC MOTOR DRIVEN HAND OR IMPACT DRILL WITH ADJUSTABLE SPEED
US3713070A (en) * 1971-05-03 1973-01-23 Lucerne Products Inc Rotary actuator for a switch

Also Published As

Publication number Publication date
FR2174155B1 (en) 1977-02-04
CA973942A (en) 1975-09-02
FR2174155A1 (en) 1973-10-12
IT977536B (en) 1974-09-20
GB1417737A (en) 1975-12-17
DE2309783A1 (en) 1973-09-13
CH579332A5 (en) 1976-08-31
AU5226773A (en) 1974-08-22
AU476253B2 (en) 1976-09-16
DE2309783C2 (en) 1983-10-20
ES412197A1 (en) 1976-01-01
JPS4899781A (en) 1973-12-17

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed