GB451832A - Improvements in and relating to temperature control devices - Google Patents
Improvements in and relating to temperature control devicesInfo
- Publication number
- GB451832A GB451832A GB3103/36A GB310336A GB451832A GB 451832 A GB451832 A GB 451832A GB 3103/36 A GB3103/36 A GB 3103/36A GB 310336 A GB310336 A GB 310336A GB 451832 A GB451832 A GB 451832A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bellows
- carries
- lever
- switch
- feb
- 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
- G05D23/00—Control of temperature
- G05D23/01—Control of temperature without auxiliary power
- G05D23/12—Control of temperature without auxiliary power with sensing element responsive to pressure or volume changes in a confined fluid
- G05D23/125—Control of temperature without auxiliary power with sensing element responsive to pressure or volume changes in a confined fluid the sensing element being placed outside a regulating fluid flow
- G05D23/126—Control of temperature without auxiliary power with sensing element responsive to pressure or volume changes in a confined fluid the sensing element being placed outside a regulating fluid flow using a capillary tube
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Thermally Actuated Switches (AREA)
Abstract
451,832. Thermostats. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London. Feb 1, 1936, No. 3103. Convention date, Feb. 1, 1935. [Class 64 (ii)] [See also Croup XXXVII] In a thermostat particularly applicable to a refrigerator control switch, an expansible bellows 10 is connected to a bulb 16 containing a vaporizable liquid such as methyl chloride. The bellows is a thin-walled corrugated tube adapted to move a switch-operating lever 17 which carries a member 26 of insulating material such as a phenolic condensation product. The member 26 carries a conical point 30 at the centre of an annular shoulder 31, which engages a recess 32 in the operating face of the bellows If the pressure within the bellows is abnormally high, distortion of the bellows is prevented by engagement of the part 33 with the shoulder 31 Movement of the lever 17 about its pivot 25 carries the spring 21 over its dead-centre position to cause the contacts 18, 19 to close. The tension of the spring 34 and therefore the temperature at which the switch operates, are adjustable by a nut 35 A stop 24 limits the movement of the lever 17. Specification 363,121, [Group XXXVII], is referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US451832XA | 1935-02-01 | 1935-02-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB451832A true GB451832A (en) | 1936-08-12 |
Family
ID=21936456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3103/36A Expired GB451832A (en) | 1935-02-01 | 1936-02-01 | Improvements in and relating to temperature control devices |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB451832A (en) |
-
1936
- 1936-02-01 GB GB3103/36A patent/GB451832A/en not_active Expired
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