GB1282189A - Load independent thermo-magnetic flasher - Google Patents
Load independent thermo-magnetic flasherInfo
- Publication number
- GB1282189A GB1282189A GB44189/70A GB4418970A GB1282189A GB 1282189 A GB1282189 A GB 1282189A GB 44189/70 A GB44189/70 A GB 44189/70A GB 4418970 A GB4418970 A GB 4418970A GB 1282189 A GB1282189 A GB 1282189A
- Authority
- GB
- United Kingdom
- Prior art keywords
- contacts
- electromagnet
- wire
- load
- armature
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H61/00—Electrothermal relays
- H01H61/06—Self-interrupters, i.e. with periodic or other repetitive opening and closing of contacts
- H01H61/066—Self-interrupters, i.e. with periodic or other repetitive opening and closing of contacts making use of an extensible wire, rod or strips
Landscapes
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Breakers (AREA)
- Relay Circuits (AREA)
- Thermally Actuated Switches (AREA)
Abstract
1282189 Thermal switches WAGNER ELECTRIC CORP 16 Sept 1970 [27 Oct 1969] 44189/70 Heading H1N A flasher switch of the hot wire type with contact held closed by an electromagnet while the wire 20 cools has auxiliary contacts 34, 36, 44, 46 to interrupt the load current to avoid sparking at the main contacts 28, 30. When on/off switch S is closed a small current flows from battery B through an armature 12, the wire 20, a resistor 26 a coil 48 of the electromagnet 52 to the load L. This current is insufficient to energize the load or the electromagnet but heats the wire 20 so that it expands causing contacts 34, 36 to close and then contacts 28, 30 which short out the hot wire 20 and resistor 26. The increased current energizes the load L and causes the electromagnet to attract the armature 12 and another armature 38 which closes contacts 44, 46 in series with 34, 36 across the main contacts 28, 30. When the wire 20 has sufficiently cooled to draw the armature 12 away from the electromagnet contacts 28, 30 separate first, arclessly, then contacts 34, 36 open to interrupt the load current. The electromagnet finally releases contacts 44, 46. The cycle then repeats.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US86955169A | 1969-10-27 | 1969-10-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1282189A true GB1282189A (en) | 1972-07-19 |
Family
ID=25353776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB44189/70A Expired GB1282189A (en) | 1969-10-27 | 1970-09-16 | Load independent thermo-magnetic flasher |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3593230A (en) |
| JP (1) | JPS5514497B1 (en) |
| CA (1) | CA921142A (en) |
| DE (1) | DE2047114B2 (en) |
| FR (1) | FR2066504A5 (en) |
| GB (1) | GB1282189A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01168167U (en) * | 1988-05-13 | 1989-11-27 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2103276A (en) * | 1936-03-03 | 1937-12-28 | Schmidinger Joseph | Flasher device |
| US2503303A (en) * | 1945-06-26 | 1950-04-11 | Tung Sol Lamp Works Inc | Electric flasher |
| US2674730A (en) * | 1951-12-15 | 1954-04-06 | Klebanoff | Intermittent switching means with pilot light |
| US2673937A (en) * | 1952-01-09 | 1954-03-30 | Jesse R Hollins | Flasher device |
| GB1128721A (en) * | 1965-04-29 | 1968-10-02 | Lucas Industries Ltd | Flasher units |
| FR1445681A (en) * | 1965-06-02 | 1966-07-15 | Klaxon Sa | Flashing light control device for motor vehicles |
-
1969
- 1969-10-27 US US869551A patent/US3593230A/en not_active Expired - Lifetime
-
1970
- 1970-09-15 CA CA093175A patent/CA921142A/en not_active Expired
- 1970-09-16 GB GB44189/70A patent/GB1282189A/en not_active Expired
- 1970-09-24 DE DE19702047114 patent/DE2047114B2/en active Pending
- 1970-10-15 JP JP9009770A patent/JPS5514497B1/ja active Pending
- 1970-10-23 FR FR7038453A patent/FR2066504A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5514497B1 (en) | 1980-04-16 |
| DE2047114B2 (en) | 1972-02-17 |
| FR2066504A5 (en) | 1971-08-06 |
| DE2047114A1 (en) | 1971-05-13 |
| CA921142A (en) | 1973-02-13 |
| US3593230A (en) | 1971-07-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |