GB767424A - Improvements relating to acceleration-measuring or vibration-measuring apparatus - Google Patents
Improvements relating to acceleration-measuring or vibration-measuring apparatusInfo
- Publication number
- GB767424A GB767424A GB28107/54A GB2810754A GB767424A GB 767424 A GB767424 A GB 767424A GB 28107/54 A GB28107/54 A GB 28107/54A GB 2810754 A GB2810754 A GB 2810754A GB 767424 A GB767424 A GB 767424A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tongue
- free end
- coil
- oil
- sept
- 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
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/025—Measuring arrangements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
767,424. Electric accelerometers. DAIMLERBENZ AKT.-GES. Sept. 29, 1954 [Sept. 29, 1953], No. 28107/54. Class 40 (1). In an accelerometer the vibratory element is on the form of a tongue projecting freely from a base and operating an inductive or capacitative transmitter. As shown, Fig. 1, the free end of a tongue 4 secured to a base 3 is disposed between two coils 5, 5a connected as adjacent arms in an A.C. energized bridge circuit, Fig. 5 (not shown), which operates an oscilloscope, recorder, or other instrument. Each coil 5, 5a has a soft iron core6, 6a and yoke 7, 7a to inhance sensitivity and a screw adjustment 9 is provided for the coil 5. In another embodiment, Fig. 3, the tongue is a U-sectioned beam 4a and carries at its free end a core consisting of magnetic end portions 10 separated by a non-ferrous portion 11. The core is normally centrally disposed within a double coil 12-13 connected in a bridge circuit similarly to the coils 5, 5a. The free end of the tongue or a plate carried thereby may alternatively move between two condenser plates. Damping of the tongue, if necessary, may be effected by filling the transmitter 'housing with oil, e.g. a silicone oil, or oil-gap damping means, Fig. 8 (not shown), may be used.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE767424X | 1953-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB767424A true GB767424A (en) | 1957-02-06 |
Family
ID=6673531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB28107/54A Expired GB767424A (en) | 1953-09-29 | 1954-09-29 | Improvements relating to acceleration-measuring or vibration-measuring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB767424A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2168481A (en) * | 1984-12-13 | 1986-06-18 | Stc Plc | Silicon transducer |
-
1954
- 1954-09-29 GB GB28107/54A patent/GB767424A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2168481A (en) * | 1984-12-13 | 1986-06-18 | Stc Plc | Silicon transducer |
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