GB728571A - Means for operating an indicator or other device in response to the movement of a cage or skip in a mine shaft - Google Patents

Means for operating an indicator or other device in response to the movement of a cage or skip in a mine shaft

Info

Publication number
GB728571A
GB728571A GB21795/53A GB2179553A GB728571A GB 728571 A GB728571 A GB 728571A GB 21795/53 A GB21795/53 A GB 21795/53A GB 2179553 A GB2179553 A GB 2179553A GB 728571 A GB728571 A GB 728571A
Authority
GB
United Kingdom
Prior art keywords
cage
coils
skip
indicator
response
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
GB21795/53A
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.)
Stamicarbon BV
Original Assignee
Stamicarbon BV
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 Stamicarbon BV filed Critical Stamicarbon BV
Publication of GB728571A publication Critical patent/GB728571A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/46—Adaptations of switches or switchgear
    • B66B1/50—Adaptations of switches or switchgear with operating or control mechanisms mounted in the car or cage or in the lift well or hoistway

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

728,571. Locating conductors electrically. STAMICARBON N.V. Aug. 6, 1953 [Aug. 9, 1952], No. 21795/53. Class 37. Apparatus for detecting the presence of e.g. a cage in a mine-shaft comprises two similar coils 2, 3 joined in series opposition and coupling with an A.C. energized coil 1, located with the coil 3 nearest the mine shaft 9, so that when the cage 8 is opposite coil 3 the induced voltages in coils 2, 3 are unequal, and the difference is amplified at 7 to operate tilting apparatus or brake means &c. The coils are preferably wound on a common, hollow magnetic core.
GB21795/53A 1952-08-09 1953-08-06 Means for operating an indicator or other device in response to the movement of a cage or skip in a mine shaft Expired GB728571A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL728571X 1952-08-09

Publications (1)

Publication Number Publication Date
GB728571A true GB728571A (en) 1955-04-20

Family

ID=19817887

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21795/53A Expired GB728571A (en) 1952-08-09 1953-08-06 Means for operating an indicator or other device in response to the movement of a cage or skip in a mine shaft

Country Status (1)

Country Link
GB (1) GB728571A (en)

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