GB1331790A - Percussive testing devices - Google Patents
Percussive testing devicesInfo
- Publication number
- GB1331790A GB1331790A GB4782470A GB4782470A GB1331790A GB 1331790 A GB1331790 A GB 1331790A GB 4782470 A GB4782470 A GB 4782470A GB 4782470 A GB4782470 A GB 4782470A GB 1331790 A GB1331790 A GB 1331790A
- Authority
- GB
- United Kingdom
- Prior art keywords
- capacitor
- solenoid
- thyristor
- striker
- commutating
- 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
- 239000003990 capacitor Substances 0.000 abstract 11
- 238000004804 winding Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/02—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/045—Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6934564A FR2062069A5 (enrdf_load_stackoverflow) | 1969-10-09 | 1969-10-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1331790A true GB1331790A (en) | 1973-09-26 |
Family
ID=9041275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4782470A Expired GB1331790A (en) | 1969-10-09 | 1970-10-08 | Percussive testing devices |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2047930C3 (enrdf_load_stackoverflow) |
FR (1) | FR2062069A5 (enrdf_load_stackoverflow) |
GB (1) | GB1331790A (enrdf_load_stackoverflow) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0049090A1 (en) * | 1980-10-01 | 1982-04-07 | Burks, A. Edward and Green, J. Keith | Testing mechanism for floors |
GB2183394A (en) * | 1985-10-31 | 1987-06-03 | Gent Ltd | Striker mechanism |
GB2218284A (en) * | 1988-04-28 | 1989-11-08 | Nec Corp | Relay driving circuit using a thyristor and a local capacitor |
CN111678670A (zh) * | 2020-06-17 | 2020-09-18 | 粤融(广州)科技有限公司 | 一种计算机硬件的抗摔性能实验设备 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2356483A1 (fr) | 1976-06-28 | 1978-01-27 | Jacquemet Georges | Appareil de percussion electro-magnetique |
CH653492A5 (en) * | 1979-12-24 | 1985-12-31 | Taisan Industrial Co | Device for controlling an electromagnetic pump |
DE3814172A1 (de) * | 1988-04-27 | 1989-11-09 | Battelle Institut E V | Vorrichtung zur detektion von lunkern, delaminationen und inhomogenitaeten |
-
1969
- 1969-10-09 FR FR6934564A patent/FR2062069A5/fr not_active Expired
-
1970
- 1970-09-29 DE DE19702047930 patent/DE2047930C3/de not_active Expired
- 1970-10-08 GB GB4782470A patent/GB1331790A/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0049090A1 (en) * | 1980-10-01 | 1982-04-07 | Burks, A. Edward and Green, J. Keith | Testing mechanism for floors |
GB2183394A (en) * | 1985-10-31 | 1987-06-03 | Gent Ltd | Striker mechanism |
GB2183394B (en) * | 1985-10-31 | 1990-01-04 | Gent Ltd | Bell striker mechanism |
GB2218284A (en) * | 1988-04-28 | 1989-11-08 | Nec Corp | Relay driving circuit using a thyristor and a local capacitor |
AU620087B2 (en) * | 1988-04-28 | 1992-02-13 | Nec Corporation | Relay driving circuit using a thyrister |
GB2218284B (en) * | 1988-04-28 | 1993-02-03 | Nec Corp | Relay driving circuit |
CN111678670A (zh) * | 2020-06-17 | 2020-09-18 | 粤融(广州)科技有限公司 | 一种计算机硬件的抗摔性能实验设备 |
Also Published As
Publication number | Publication date |
---|---|
DE2047930C3 (de) | 1973-11-22 |
DE2047930B2 (de) | 1973-05-03 |
FR2062069A5 (enrdf_load_stackoverflow) | 1971-06-25 |
DE2047930A1 (de) | 1971-05-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |