GB598360A - Improvements in and relating to vibration pick-up devices and to systems and apparatus utilising them - Google Patents
Improvements in and relating to vibration pick-up devices and to systems and apparatus utilising themInfo
- Publication number
- GB598360A GB598360A GB887/45A GB88745A GB598360A GB 598360 A GB598360 A GB 598360A GB 887/45 A GB887/45 A GB 887/45A GB 88745 A GB88745 A GB 88745A GB 598360 A GB598360 A GB 598360A
- Authority
- GB
- United Kingdom
- Prior art keywords
- detector
- instrument
- jan
- indicator
- magnetic circuit
- 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
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
- G01L23/22—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines
- G01L23/221—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines
- G01L23/223—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines using magnetic or magnetostrictive means
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
598,360. Indicating vibrations. SPERRY GYROSCOPE CO., Inc. Jan. 10, 1945, No. 887. Convention date, Jan. 10, 1944. [Class 40 (iv)] A vibration detector comprises a support 12 which may be mounted on the member whose vibration is to be detected and which carries a magnetostrictive element 16 under initial tension or compression and forming part of a magnetic circuit linked with a coil 19 which is connected to a current measuring or indicating instrument. Part of the magnetic circuit, which may be the element 16, may be a permanent magnet. In a modification, the element may be put under adjustable compression or tension by operating a screwed rod in the mounting and thus the sensitivity of the instrument may be varied. The output of the instrument may pass through an amplifier to an oscillograph to give a visual indication of the vibrations. The apparatus may be used as a detonation detector for use with internal-combustion engines and in this case a detector may be screwed on each cylinder. A selector switch connects one or more of the detectors to the indicator. A further switch driven by the engine may be provided to connect any detector to the indicator at some particular point only in the engine cycle, for example only during the combustion stroke of the particular cylinder.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US598360XA | 1944-01-10 | 1944-01-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB598360A true GB598360A (en) | 1948-02-17 |
Family
ID=22025589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB887/45A Expired GB598360A (en) | 1944-01-10 | 1945-01-10 | Improvements in and relating to vibration pick-up devices and to systems and apparatus utilising them |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB598360A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE945796C (en) * | 1947-05-15 | 1956-07-19 | John Emery Lindberg Jun | Test device for internal combustion engines working with a cathode ray tube |
| EP0079042A1 (en) * | 1981-11-05 | 1983-05-18 | Nissan Motor Co., Ltd. | Internal combustion engine with engine knock sensor |
-
1945
- 1945-01-10 GB GB887/45A patent/GB598360A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE945796C (en) * | 1947-05-15 | 1956-07-19 | John Emery Lindberg Jun | Test device for internal combustion engines working with a cathode ray tube |
| EP0079042A1 (en) * | 1981-11-05 | 1983-05-18 | Nissan Motor Co., Ltd. | Internal combustion engine with engine knock sensor |
| US4450709A (en) * | 1981-11-05 | 1984-05-29 | Nissan Motor Co. Ltd. | Internal combustion engine with engine knock sensor |
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