GB1491716A - Power circuit breaker having an operating mechanism - Google Patents

Power circuit breaker having an operating mechanism

Info

Publication number
GB1491716A
GB1491716A GB1491716DA GB1491716A GB 1491716 A GB1491716 A GB 1491716A GB 1491716D A GB1491716D A GB 1491716DA GB 1491716 A GB1491716 A GB 1491716A
Authority
GB
United Kingdom
Prior art keywords
piston
lever
cylinder
rod
contact
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
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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 Corp filed Critical Westinghouse Electric Corp
Publication of GB1491716A publication Critical patent/GB1491716A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F04D25/066—Linear Motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

1491716 Contact breakers WESTINGHOUSE ELECTRIC CORP 26 Oct 1974 46410/74 Heading H1N In a circuit breaker, the resetting (i.e. contact closing) mechanism includes cylinder 60, piston 59 and piston-rod 63; piston-rod 63 extends out of the cylinder so that its transverse cross-section is exposed to ambient air pressure; in use the cylinder on both sides of the piston is maintained filled with gas at the same high pressure so that a force driving the piston and rod to a "reset position" (shown in Fig. 1) is produced because the high pressure acts on surface areas of different extent on the two sides of the piston, and to close contacts 5 one side 71 of the piston is exhausted via a valve 75. When it is required to reset the breaker mechanism, 3-way valve 75 is rotated to exhaust the right hand region 71 of the cylinder, whereupon the high pressure gas in the opposite end of the cylinder moves the piston 59, piston-rod 63 and via the mechanical linkage of lever 69 and shaft 31, the movable contacts 2a, 3a, 4a. Lever 69 is held in its contact closed position by toggle 19 and lever 13. Upset of the toggle is by current flowing in coils 52, 53 acting on permanent magnet 11. Slot 67 in piston-rod 63 provides a lost motion connection to lever 69 permitting opening movement of the lever 69. The gas used in cylinder 60 may be SF 6 that also extinguishes the arc produced on contact opening. An auxiliary switch 44 is also operated by movement of lever 29. The mechanical linkage between piston 59 and contact sets 5 may be replaced by a pneumatic linkage.
GB1491716D 1974-10-26 1974-10-26 Power circuit breaker having an operating mechanism Expired GB1491716A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4641074 1974-10-26

Publications (1)

Publication Number Publication Date
GB1491716A true GB1491716A (en) 1977-11-16

Family

ID=10441150

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1491716D Expired GB1491716A (en) 1974-10-26 1974-10-26 Power circuit breaker having an operating mechanism

Country Status (1)

Country Link
GB (1) GB1491716A (en)

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee