GB655392A - Improvements in and relating to temperature compensating mechanisms - Google Patents
Improvements in and relating to temperature compensating mechanismsInfo
- Publication number
- GB655392A GB655392A GB19917/47A GB1991747A GB655392A GB 655392 A GB655392 A GB 655392A GB 19917/47 A GB19917/47 A GB 19917/47A GB 1991747 A GB1991747 A GB 1991747A GB 655392 A GB655392 A GB 655392A
- Authority
- GB
- United Kingdom
- Prior art keywords
- screw
- support
- temperature
- bolt
- intermediate section
- 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
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/06—Cavity resonators
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
655,392. Etectric resonators. BRITISH THOMSON-HOUSTON CO., Ltd. July 24, 1947, No. 19917. Convention date, July 26, 1946. [Class 40 (viii)] Changes in the electrical characteristics of a device due to alterations in temperature are compensated by movement of a member secured to an elongated piece adjustably mounted in a hollow support with end portions of the same temperature coefficient as the elongated piece, and an intermediate section having a different temperature coefficient. A cavity resonator is formed in a block 1, which carries a tubular support 8 formed in three parts bonded together, the intermediate section 10 having a higher temperature coefficient than the end sections 9, 11 which are preferably of the same material as the block 1. Variations in the dimensions of the resonator due to changes of temperature are compensated by a flexible diaphragm 7 bonded to a bolt 15, the upper end of which engages a threaded bore in an adjusting screw 16, which engages a bore in the outer member 11 of the support 8. The internal and external threads of the screw 16 are of different pitch so that the diaphragm 7 may be adjusted. The screw 16 and bolt 15 are of the same material as the block 1, so that an alteration in temperature causes a different alteration in the length of the intermediate section 10 of the support 8 from the change in the length of screw 16 and bolt 15 so that the diaphragm 7 is deformed to compensate for variations in the dimensions of the resonator.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US655392XA | 1946-07-26 | 1946-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB655392A true GB655392A (en) | 1951-07-18 |
Family
ID=22063415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB19917/47A Expired GB655392A (en) | 1946-07-26 | 1947-07-24 | Improvements in and relating to temperature compensating mechanisms |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB655392A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0883203A2 (en) * | 1997-06-02 | 1998-12-09 | Com Dev Ltd. | Filter with temperature compensated tuning screw |
| EP0892455A1 (en) * | 1997-07-17 | 1999-01-20 | Robert Bosch Gmbh | Temperature compensated tuning arrangement for a waveguide component |
-
1947
- 1947-07-24 GB GB19917/47A patent/GB655392A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0883203A2 (en) * | 1997-06-02 | 1998-12-09 | Com Dev Ltd. | Filter with temperature compensated tuning screw |
| EP0883203A3 (en) * | 1997-06-02 | 1999-10-27 | Com Dev Ltd. | Filter with temperature compensated tuning screw |
| EP0892455A1 (en) * | 1997-07-17 | 1999-01-20 | Robert Bosch Gmbh | Temperature compensated tuning arrangement for a waveguide component |
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