GB212881A - Improvements in or relating to electro-thermic devices for controlling purposes - Google Patents
Improvements in or relating to electro-thermic devices for controlling purposesInfo
- Publication number
- GB212881A GB212881A GB357324A GB357324A GB212881A GB 212881 A GB212881 A GB 212881A GB 357324 A GB357324 A GB 357324A GB 357324 A GB357324 A GB 357324A GB 212881 A GB212881 A GB 212881A
- Authority
- GB
- United Kingdom
- Prior art keywords
- carrier
- electric
- wire
- valve
- actuating
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/20—Control of fluid pressure characterised by the use of electric means
- G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
- G05D16/2013—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means
- G05D16/202—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means actuated by an electric motor
Abstract
212,881. Kõlle, T. Feb. 11, 1924. Thermal switches.-A thermo-electric actuating device consists of an electric conductor wound on a movable carrier, the parts on each side of the carrier being held in a diverging position so that the expansion and contraction of the conductor may be used for actuating purposes. The Figure shows the device used for actuating the control valve of a pressure regulator. The conductor wire 41 which is wound on a carrier 42, has the upper parts secured to an insulating member 43 fastened to the casing and the lever parts to a similar member 44 provided with a spindle 45 loaded by a spring bearing against an adjustable nut 46. The nut 46 has a pin 46<x> arranged to bear against the spindle of an auxiliary valve 9 adapted to control the exhaust from a power cylinder used to operate the main valve. One end of the wire 41 is connected to a plug terminal 57 while the other is coupled to a carbon terminal 54 on the carrier 42. A switch arm 52 has a contact 53 electrically connected to the supply system and is mounted on a two armed lever 51 adjustably loaded by a spring 55 and mounted on the free end of a Bowden tube 48 connected to the main conduit. In the event of the pressure decreasing the switch is closed, and the wire 41 is heated, the resulting expansion causing the auxiliary valve to close and the main valve to open. The thermo-electric device may actuate the main valve directly. The device may be modified to actuate the movable arm of a variable electric resistance. The Specification, as open to inspection under Sect. 91 (3) (a) comprises the application of the invention to the control of the current from an electric generator. This subject-matter does not appear in the Specification as accepted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB357324A GB212881A (en) | 1924-02-11 | 1924-02-11 | Improvements in or relating to electro-thermic devices for controlling purposes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB357324A GB212881A (en) | 1924-02-11 | 1924-02-11 | Improvements in or relating to electro-thermic devices for controlling purposes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB212881A true GB212881A (en) | 1925-05-11 |
Family
ID=9760877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB357324A Expired GB212881A (en) | 1924-02-11 | 1924-02-11 | Improvements in or relating to electro-thermic devices for controlling purposes |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB212881A (en) |
-
1924
- 1924-02-11 GB GB357324A patent/GB212881A/en not_active Expired
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