GB1166703A - Improvements in or relating to Motor Speed Control Systems - Google Patents

Improvements in or relating to Motor Speed Control Systems

Info

Publication number
GB1166703A
GB1166703A GB2833767A GB2833767A GB1166703A GB 1166703 A GB1166703 A GB 1166703A GB 2833767 A GB2833767 A GB 2833767A GB 2833767 A GB2833767 A GB 2833767A GB 1166703 A GB1166703 A GB 1166703A
Authority
GB
United Kingdom
Prior art keywords
ball
control
fly weight
shaft
bore
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
GB2833767A
Inventor
Alfred Nathaniel Peale
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand 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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Priority to GB2833767A priority Critical patent/GB1166703A/en
Publication of GB1166703A publication Critical patent/GB1166703A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D13/00—Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover
    • G05D13/08—Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover without auxiliary power
    • G05D13/10—Centrifugal governors with fly-weights

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

1,166,703. Grinding. INGERSOLL-RAND CO. 20 June, 1967, No. 28337/67. Heading B3D. [Also in Division G3] A speed-control mechanism for a rotary shaft 6, such as that of a grinding wheel 8, comprises a control 13 for the supply of energy to a motor 5, a fly weight 21 pivotally connected to the shaft and movable by centrifugal force between a retracted position and an extended position, an interconnection 29 between the fly weight and the control, and means, such as a ball 33, attached to the fly weight to abruptly shift its centre of gravity as it is moved outward by centrifugal force. The ball 33 remains at the lower end of a bore 32 until the latter has been swung past a position parallel with the axis of the shaft 6 when the ball travels outwardly to engage a plug at the end of the bore. In a modification, a spring is interposed between the ball and the plug. The control 13 consists of a spring- loaded valve piston 17 downstream of a manually operated throttle valve 12.
GB2833767A 1967-06-20 1967-06-20 Improvements in or relating to Motor Speed Control Systems Expired GB1166703A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2833767A GB1166703A (en) 1967-06-20 1967-06-20 Improvements in or relating to Motor Speed Control Systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2833767A GB1166703A (en) 1967-06-20 1967-06-20 Improvements in or relating to Motor Speed Control Systems

Publications (1)

Publication Number Publication Date
GB1166703A true GB1166703A (en) 1969-10-08

Family

ID=10274077

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2833767A Expired GB1166703A (en) 1967-06-20 1967-06-20 Improvements in or relating to Motor Speed Control Systems

Country Status (1)

Country Link
GB (1) GB1166703A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4858474A (en) * 1971-11-22 1973-08-16
JPS5054978A (en) * 1973-09-17 1975-05-14

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4858474A (en) * 1971-11-22 1973-08-16
JPS5054978A (en) * 1973-09-17 1975-05-14
JPS5433390B2 (en) * 1973-09-17 1979-10-20

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees