CA951785A - Battery powered blasting machine with a controlled energy range - Google Patents
Battery powered blasting machine with a controlled energy rangeInfo
- Publication number
- CA951785A CA951785A CA150,468,A CA150468A CA951785A CA 951785 A CA951785 A CA 951785A CA 150468 A CA150468 A CA 150468A CA 951785 A CA951785 A CA 951785A
- Authority
- CA
- Canada
- Prior art keywords
- battery powered
- blasting machine
- energy range
- controlled energy
- controlled
- 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
- 238000005422 blasting Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
- H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
- H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
- H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/338—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement
- H02M3/3381—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement using a single commutation path
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
- H02H11/006—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of too high or too low voltage
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Air Bags (AREA)
- Generation Of Surge Voltage And Current (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20152771A | 1971-11-23 | 1971-11-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA951785A true CA951785A (en) | 1974-07-23 |
Family
ID=22746197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA150,468,A Expired CA951785A (en) | 1971-11-23 | 1972-08-29 | Battery powered blasting machine with a controlled energy range |
Country Status (6)
Country | Link |
---|---|
US (1) | US3721886A (en) |
CA (1) | CA951785A (en) |
DE (1) | DE2257523A1 (en) |
FR (1) | FR2163022A5 (en) |
GB (1) | GB1366619A (en) |
IT (1) | IT971104B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3863132A (en) * | 1973-11-19 | 1975-01-28 | Us Navy | Efficient dc/dc converter for a solid state fuze |
SE416349B (en) * | 1976-05-18 | 1980-12-15 | Nitro Nobel Ab | METHOD AND DEVICE FOR INITIATING ELECTRIC EXPLOSION CAPS |
GB2199998A (en) * | 1986-12-30 | 1988-07-20 | Christopher James Wheeler | Drive circuitry for a microwave source of a microwave oven |
US5063846A (en) * | 1989-12-21 | 1991-11-12 | Hughes Aircraft Company | Modular, electronic safe-arm device |
US6260483B1 (en) * | 1998-04-24 | 2001-07-17 | Richard N. Snyder | Remote radio controlled plasma firing system |
DE10320425A1 (en) * | 2003-05-08 | 2004-12-16 | Forschungszentrum Karlsruhe Gmbh | Trigger / ignition device in a Marx generator consisting of n step capacitors |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2826693A (en) * | 1955-02-03 | 1958-03-11 | Arnold E Resnik | Pulse generator |
US3417306A (en) * | 1965-02-09 | 1968-12-17 | Bendix Corp | Regulated voltage capacitor discharge circuit |
US3541393A (en) * | 1969-05-29 | 1970-11-17 | Hercules Inc | High energy solid state blasting machine |
-
1971
- 1971-11-23 US US00201527A patent/US3721886A/en not_active Expired - Lifetime
-
1972
- 1972-08-29 CA CA150,468,A patent/CA951785A/en not_active Expired
- 1972-11-15 GB GB5278372A patent/GB1366619A/en not_active Expired
- 1972-11-22 IT IT31964/72A patent/IT971104B/en active
- 1972-11-23 FR FR7241633A patent/FR2163022A5/fr not_active Expired
- 1972-11-23 DE DE2257523A patent/DE2257523A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
US3721886A (en) | 1973-03-20 |
GB1366619A (en) | 1974-09-11 |
DE2257523A1 (en) | 1973-05-30 |
IT971104B (en) | 1974-04-30 |
FR2163022A5 (en) | 1973-07-20 |
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