NL177035B - Roterende beitel voor het hydraulisch boren van gaten in ondergrondse formaties. - Google Patents
Roterende beitel voor het hydraulisch boren van gaten in ondergrondse formaties.Info
- Publication number
- NL177035B NL177035B NLAANVRAGE7402875,B NL177035DB NL177035B NL 177035 B NL177035 B NL 177035B NL 177035D B NL177035D B NL 177035DB NL 177035 B NL177035 B NL 177035B
- Authority
- NL
- Netherlands
- Prior art keywords
- holes
- underground formations
- hydraulic drilling
- rotating chisel
- chisel
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/52—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using discharge tubes in series with the load as final control devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
- H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
- H04N3/18—Generation of supply voltages, in combination with electron beam deflecting
- H04N3/185—Maintaining dc voltage constant
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
- H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
- H04N3/18—Generation of supply voltages, in combination with electron beam deflecting
- H04N3/185—Maintaining dc voltage constant
- H04N3/1853—Maintaining dc voltage constant using regulation in parallel
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Details Of Television Scanning (AREA)
- Television Receiver Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US277827A US2726340A (en) | 1952-03-21 | 1952-03-21 | Regulated power supply circuits |
Publications (1)
Publication Number | Publication Date |
---|---|
NL177035B true NL177035B (nl) |
Family
ID=23062517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7402875,B NL177035B (nl) | 1952-03-21 | Roterende beitel voor het hydraulisch boren van gaten in ondergrondse formaties. |
Country Status (5)
Country | Link |
---|---|
US (1) | US2726340A (nl) |
JP (1) | JPS314010B1 (nl) |
FR (1) | FR1076223A (nl) |
GB (1) | GB725971A (nl) |
NL (1) | NL177035B (nl) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2822503A (en) * | 1953-06-01 | 1958-02-04 | Du Mont Allen B Lab Inc | Stabilized tv system |
US2829335A (en) * | 1954-03-01 | 1958-04-01 | Rca Corp | High voltage power supply |
US2816250A (en) * | 1955-07-25 | 1957-12-10 | Ericsson Telephones Ltd | Electronic counting and computing arrangements |
BE561831A (nl) * | 1956-10-24 | |||
NL112550C (nl) * | 1957-03-28 | |||
US2954500A (en) * | 1957-10-01 | 1960-09-27 | Zenith Radio Corp | Television receiver |
DE1087648B (de) * | 1958-01-14 | 1960-08-25 | Philips Nv | Sicherheitsschaltung fuer eine Anordnung zum Erzeugen einer Gleichspannung zur Speisung einer Elektronenstrahlroehre |
DE1065099B (de) * | 1958-03-28 | 1959-09-10 | Telefunken Gmbh | Schaltungsanordnung zur Erzeugung der Hochspannung fuer Kathodenstrahlroehren |
NL6405234A (nl) * | 1964-05-12 | 1965-11-15 | ||
US3395311A (en) * | 1966-05-23 | 1968-07-30 | Rca Corp | Regulated power supply |
US3825793A (en) * | 1970-06-05 | 1974-07-23 | Rca Corp | Raster correction circuit utilizing a parabolically varying load circuit |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2351681A (en) * | 1942-12-24 | 1944-06-20 | Salle Nat Bank | Constant current control |
US2386458A (en) * | 1944-01-05 | 1945-10-09 | Salle Nat Bank | Constant current regulator |
US2427149A (en) * | 1945-06-30 | 1947-09-09 | Meyer Bernard | Cigarette dispenser |
US2513983A (en) * | 1947-06-13 | 1950-07-04 | Gen Electric | Alternating voltage regulator |
-
0
- NL NLAANVRAGE7402875,B patent/NL177035B/nl unknown
-
1952
- 1952-03-21 US US277827A patent/US2726340A/en not_active Expired - Lifetime
-
1953
- 1953-02-20 FR FR1076223D patent/FR1076223A/fr not_active Expired
- 1953-03-16 GB GB7239/53A patent/GB725971A/en not_active Expired
- 1953-03-20 JP JP483553A patent/JPS314010B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US2726340A (en) | 1955-12-06 |
JPS314010B1 (nl) | 1956-05-30 |
FR1076223A (fr) | 1954-10-25 |
GB725971A (en) | 1955-03-16 |
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