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GB620833A - Improvements in or relating to speed control systems for alternating current motors - Google Patents

Improvements in or relating to speed control systems for alternating current motors

Info

Publication number
GB620833A
GB620833A GB21564/47A GB2156447A GB620833A GB 620833 A GB620833 A GB 620833A GB 21564/47 A GB21564/47 A GB 21564/47A GB 2156447 A GB2156447 A GB 2156447A GB 620833 A GB620833 A GB 620833A
Authority
GB
United Kingdom
Prior art keywords
relating
alternating current
speed control
control systems
current motors
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
GB21564/47A
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.)
Westinghouse Electric International Co
Original Assignee
Westinghouse Electric International Co
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 Westinghouse Electric International Co filed Critical Westinghouse Electric International Co
Publication of GB620833A publication Critical patent/GB620833A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/08—Arrangements of devices for controlling, indicating, metering or registering quantity or price of liquid transferred
    • B67D7/16—Arrangements of liquid meters
    • B67D7/163—Arrangements of liquid meters of fixed measuring chamber type
    • B67D7/166—Arrangements of liquid meters of fixed measuring chamber type comprising at least two chambers
    • 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
    • H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
    • H02P25/18—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Multiple Motors (AREA)

Abstract

620.833. Control of A.C. motors. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. Aug. 7, 1947, No. 21564. Convention date, Aug. 5, 1941. Drawings to Specification. [Class 38(iii)] The subject-matter of this Specification is identical with that described in Specification 582,510.
GB21564/47A 1941-08-05 1947-08-07 Improvements in or relating to speed control systems for alternating current motors Expired GB620833A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US620833XA 1941-08-05 1941-08-05

Publications (1)

Publication Number Publication Date
GB620833A true GB620833A (en) 1949-03-30

Family

ID=22040108

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21564/47A Expired GB620833A (en) 1941-08-05 1947-08-07 Improvements in or relating to speed control systems for alternating current motors

Country Status (1)

Country Link
GB (1) GB620833A (en)

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