GB1058125A - Improvements in or relating to electrothermal switch devices - Google Patents
Improvements in or relating to electrothermal switch devicesInfo
- Publication number
- GB1058125A GB1058125A GB39218/63A GB3921863A GB1058125A GB 1058125 A GB1058125 A GB 1058125A GB 39218/63 A GB39218/63 A GB 39218/63A GB 3921863 A GB3921863 A GB 3921863A GB 1058125 A GB1058125 A GB 1058125A
- Authority
- GB
- United Kingdom
- Prior art keywords
- contacts
- elements
- switch
- closed
- joined
- 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
Landscapes
- Control Of Resistance Heating (AREA)
- Thermally Actuated Switches (AREA)
Abstract
1,058,125. Thermal switches. G.V. CONTROLS Inc. Oct. 4, 1963 [Oct. 4, 1962], No. 39218/63. Heading H2B. An electrothermal device for repetitively opening and closing a pair of contacts 60, 61, comprises a frame 20 mounted on a base 10 and an elongated electrically heated expansible controlling element 40 and an ambient temperature compensating element 30 each mounted at one end on the frame, the free ends of these elements 30, 40, being joined together and arranged to actuate the movable contact 60 as described in Specification 879,796, and the device is arranged such that movement of elements 30, 40 first opens a microswitch 70 in the heater circuit before actuating the contacts 60, 61 in the load circuit, the switch 70 being opened and closed at different positions of the elements. A bracket 37 joined to element 30 carries an adjustable screw 38 which operates switch 70 through a lever 79, while a lug 34 joined to element 30 carries an adjustable screw 35 for operating the spring arm 59 carrying movable contact 60. Contacts 60, 61 are normally open or normally closed (see also Fig. 6, not shown). The adjustment may be such that switch 70 recloses after contacts 60, 61 have both opened and closed.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US228414A US3239632A (en) | 1962-10-04 | 1962-10-04 | Electrothermal device for cyclic contact operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1058125A true GB1058125A (en) | 1967-02-08 |
Family
ID=22857077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB39218/63A Expired GB1058125A (en) | 1962-10-04 | 1963-10-04 | Improvements in or relating to electrothermal switch devices |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3239632A (en) |
| GB (1) | GB1058125A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9102971D0 (en) * | 1991-10-14 | 1991-10-14 | Electrolux Res & Innovation | Relae |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1215665A (en) * | 1915-04-05 | 1917-02-13 | Heinrich Landis | Spring arrangement especially for contact devices. |
| GB536701A (en) * | 1940-02-23 | 1941-05-23 | British Thomson Houston Co Ltd | Improvements in thermal switching devices for automatically regulating the supply of current to electrical apparatus |
| US2496135A (en) * | 1945-08-07 | 1950-01-31 | Ira M Sedwitz | Electric momentary switch |
| US2817731A (en) * | 1955-10-26 | 1957-12-24 | Falcon Electronics Corp | Time delay control device |
| US3017477A (en) * | 1956-03-13 | 1962-01-16 | Leonardis Michael J De | Warp switches |
| NL107396C (en) * | 1957-01-28 | |||
| US2969917A (en) * | 1957-06-24 | 1961-01-31 | Gen Controls Co | Space heating control system affected by external temperatures |
| US2939933A (en) * | 1957-12-11 | 1960-06-07 | George F Manganaro | Time-delay relay |
| US3062937A (en) * | 1960-02-05 | 1962-11-06 | Texas Instruments Inc | Electrical switches |
-
1962
- 1962-10-04 US US228414A patent/US3239632A/en not_active Expired - Lifetime
-
1963
- 1963-10-04 GB GB39218/63A patent/GB1058125A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3239632A (en) | 1966-03-08 |
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