US1773649A - Electromagnetic relay for controlling electric circuits - Google Patents

Electromagnetic relay for controlling electric circuits Download PDF

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Publication number
US1773649A
US1773649A US291954A US29195428A US1773649A US 1773649 A US1773649 A US 1773649A US 291954 A US291954 A US 291954A US 29195428 A US29195428 A US 29195428A US 1773649 A US1773649 A US 1773649A
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US
United States
Prior art keywords
contacts
movable
electromagnetic relay
electric circuits
relay
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 - Lifetime
Application number
US291954A
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English (en)
Inventor
Tchoubritch Michel
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.)
CONST TELEPHONIQUES BREVETS TC
Francaise Dite Nouvelle De Constructions Telephoniques Brevets Tchoubritch-Derval SA Ste
Original Assignee
CONST TELEPHONIQUES BREVETS TC
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 CONST TELEPHONIQUES BREVETS TC filed Critical CONST TELEPHONIQUES BREVETS TC
Application granted granted Critical
Publication of US1773649A publication Critical patent/US1773649A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/02—Non-polarised relays
    • H01H51/04—Non-polarised relays with single armature; with single set of ganged armatures
    • H01H51/06—Armature is movable between two limit positions of rest and is moved in one direction due to energisation of an electromagnet and after the electromagnet is de-energised is returned by energy stored during the movement in the first direction, e.g. by using a spring, by using a permanent magnet, by gravity
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements

Definitions

  • the present invention relates to a novel electromagnetic relay capable of actuating a large number of contacts and constructed in such manner that the spark gap provided between the movable armature and the magnetic core is Very small (of the order of a few tenths millimeters only), whatever be the number of the contacts to be controlled.
  • the contacts are constructed in such a manner that they practically require no adjustment either whilst being mounted position or during the course of use. Their position on the relay and the stroke having been determined once and for all in advance they remain in the normal position which they are adapted to occupy when in use after being mounted in position.
  • Figure 2 shows an end view of the group.
  • Figure 3 is a section on the line C-D of Figure 2.
  • Figure 4 is a side view of a group of which an accessory (left-hand block) has been omitted.
  • Figure 5 illustrates to a larger scalean end View of a movable piston provided with a silver contact.
  • Figure 5 illustrates a side view of the same piston.
  • Figure 6 is an end view of a block.
  • Figured is a plan view.
  • Figure 7 is an end view of the contact block.
  • Figure 7 is a section on the line EF of Figure 7.
  • Figure 8 is an end View, to a larger scale, of a stationary blade with its silver contact
  • Figure 8 is a side View.
  • each of the two relays forming the group is provided with an exciting coil 1 having a core 2 and a strap 3.
  • a movable plate 4 forming an armature is hingedly mounted on the strap 3.
  • the free end of the movable plate 4 engages with a ring 5 which is actuated by a lever 7 pivoted on a shaft 6 and secured to a shutter 8 of insulating material drawn into its position of rest by means of a spring 14.
  • Two supporting blocks 15 and 15,.c1a mped between two plates 16, by means of screws 17 extend the full width occupied by the two shutters 8 of the group of relays and carry contacts arranged so as to be actuated by the two relays of the group.
  • each supporting block 15' and 15 is provided a block 18 provided with a suitable number of slotted studs 19.
  • the connecting screws are fitted into the slots of the studs 19 and are tightened in position by means of tightening screws 20.
  • These slots may also receive a peg 23 which places the connecting screw in contact with any one of the contacts 9 (or 9) or 12 (or 12")
  • the two'relays which form the groups are secured to a plate 21 provided with four holesl22 adapted to receive the screws for securing the group.
  • Each of the contacts proper of the device is formed by a piston 9 (or 9') prolonged by arod 24 of slight diameter and provided with a washer 10 of alloy or silver ( Figure 5 threaded on this rod.
  • Each piston contactor located in a cylindrical recess of the contact supporting block 15 (or 15), is subjected to the action of a conducting coiled spring 11 and bears against a stationary blade 12 (or 12') of which one end is provided with a gold and silver contact washer 13.
  • the rod 2 1 of the piston projects from the block 15.
  • This relay is as follows: When an excitingccurrentpasses through the will, the magnetic field which is createdinthe circuit consisting of the core 2, the strap 3, the movable plate 4 and the air gap between the said plate and the core determines the attraction of the said blade by the core. During its movement the movable plate 4 moves the ring 5 which causes the lever 7, secured to the shutter 8, to pivot about the shaft 6. At the moment in which the flywheel 8 leaves the .position A it leaves all the dpistons-9 which it forced b their rods 24 un e tion of the with rawal spring 14 and pushes their corresponding pistons 9 from the block 15.
  • an electromagnet relay including the usual electro-magnet and its armature, a circuit'breaker comprising a series of independently movable contacts and a fixed contact, a shutter of insulating material arranged in opposition to the movable contacts and movable into and out vof engagement with the same to, in the former instance efiect move-- ment of the engaged movable contacts out of engagement with the fixed contact, a spring in circuit with each of the movable contacts and urging the same to engagement with the fixed contact, a spring normally holding the a shutter in engagement with the movable contacts and of a strength to overcome the springs.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
US291954A 1927-07-29 1928-07-11 Electromagnetic relay for controlling electric circuits Expired - Lifetime US1773649A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR294641X 1927-07-29

Publications (1)

Publication Number Publication Date
US1773649A true US1773649A (en) 1930-08-19

Family

ID=8888028

Family Applications (1)

Application Number Title Priority Date Filing Date
US291954A Expired - Lifetime US1773649A (en) 1927-07-29 1928-07-11 Electromagnetic relay for controlling electric circuits

Country Status (5)

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US (1) US1773649A (en))
BE (1) BE352812A (en))
DE (1) DE601629C (en))
GB (1) GB294641A (en))
NL (1) NL25692C (en))

Also Published As

Publication number Publication date
NL25692C (en))
DE601629C (de) 1934-08-24
GB294641A (en) 1929-09-23
BE352812A (en))

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