GB752430A - Improvements relating to suction operated electric switches - Google Patents
Improvements relating to suction operated electric switchesInfo
- Publication number
- GB752430A GB752430A GB28082/54A GB2808254A GB752430A GB 752430 A GB752430 A GB 752430A GB 28082/54 A GB28082/54 A GB 28082/54A GB 2808254 A GB2808254 A GB 2808254A GB 752430 A GB752430 A GB 752430A
- Authority
- GB
- United Kingdom
- Prior art keywords
- suction
- bridging member
- pressure
- providing
- improvements relating
- 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
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/34—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
752,430. Actuation of switches. GENERAL MOTORS CORPORATION. Sept. 29. 1954 [Oct. 8, 1953], No. 28082/54. Class 38(5) In a pressure controlled switch, suitable for the starter motor circuits of automobiles and responsive to engine suction, reduction in pressure due to suction through a tube 38 on a diaphragm 32 causes a bridging member 28 to move against the bias of a spring 30 and to disengage contacts 24 and 26 thus opening a circuit; when the suction ceases a valve (40 and 42) closes and the switch is prevented from closing until sufficient air has entered through an orifice 62 to restore the pressure thus providing a time delay. A plunger 48 attached to the bridging member passes through and is movable in the plate 22 and has grooves 50 and 52 which may each be engaged by a spring loaded ball 54, thus providing catches which oppose the movement of the bridging member and form a snap action device.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US384834A US2773958A (en) | 1953-10-08 | 1953-10-08 | Switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB752430A true GB752430A (en) | 1956-07-11 |
Family
ID=23518953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB28082/54A Expired GB752430A (en) | 1953-10-08 | 1954-09-29 | Improvements relating to suction operated electric switches |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2773958A (en) |
| GB (1) | GB752430A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3402271A (en) * | 1966-09-28 | 1968-09-17 | Mcgill Mfg Company Inc | Combination toggle and pressure switch |
| US3639711A (en) * | 1970-11-09 | 1972-02-01 | Leslie H Jordan | Vacuum-operated timing device with solenoid-closable vent in valve chamber |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1984736A (en) * | 1932-11-16 | 1934-12-18 | Garoutte John Omeiga | Starter switch |
| US2024619A (en) * | 1933-03-25 | 1935-12-17 | Eclipse Machine Co | Automatic starter control |
| US2007058A (en) * | 1933-03-25 | 1935-07-02 | Eclipse Machine Co | Automatic starting mechanism |
| US2632119A (en) * | 1951-05-09 | 1953-03-17 | Gen Motors Corp | Engine starter control |
| US2654036A (en) * | 1951-05-17 | 1953-09-29 | Gen Motors Corp | Engine starter control |
-
1953
- 1953-10-08 US US384834A patent/US2773958A/en not_active Expired - Lifetime
-
1954
- 1954-09-29 GB GB28082/54A patent/GB752430A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2773958A (en) | 1956-12-11 |
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