FR2046932B1 - - Google Patents
Info
- Publication number
- FR2046932B1 FR2046932B1 FR7019934A FR7019934A FR2046932B1 FR 2046932 B1 FR2046932 B1 FR 2046932B1 FR 7019934 A FR7019934 A FR 7019934A FR 7019934 A FR7019934 A FR 7019934A FR 2046932 B1 FR2046932 B1 FR 2046932B1
- Authority
- FR
- France
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/24—Remote control specially adapted for machines for slitting or completely freeing the mineral
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/40—Regulating or controlling the amount of current drawn or delivered by the motor for controlling the mechanical load
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Power Engineering (AREA)
- Control Of Direct Current Motors (AREA)
- Earth Drilling (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691931357 DE1931357C (de) | 1969-06-20 | Verfahren zum Steuern und Regeln einer Schrammaschinenwinde, die mit einem in seiner Drehzahl steuerbaren elektrischen Windenmotor ausgestattet ist |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2046932A1 FR2046932A1 (cs) | 1971-03-12 |
FR2046932B1 true FR2046932B1 (cs) | 1975-09-26 |
Family
ID=5737545
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7019934A Expired FR2046932B1 (cs) | 1969-06-20 | 1970-06-01 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3633081A (cs) |
JP (1) | JPS5013722B1 (cs) |
FR (1) | FR2046932B1 (cs) |
GB (1) | GB1317045A (cs) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3809975A (en) * | 1973-01-22 | 1974-05-07 | J Bartels | Motor speed control apparatus for an electrically powered vehicle |
DE2426815C3 (de) * | 1974-06-04 | 1979-05-17 | Gebr. Eickhoff, Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum | Verfahren und Vorrichtung zum Regeln der stufenlos verstellbaren Schnitt- und Vorschubgeschwindigkeit von Walzenschrämmaschinen des Untertagebergbaues |
US4031437A (en) * | 1975-07-10 | 1977-06-21 | Concrete Cutting Equipment Inc. | Work and feed control system for cutting machines |
GB1592354A (en) * | 1976-11-11 | 1981-07-08 | Anderson Strathclyde Ltd | Mineral mining machine cutter driving mechanism having a load sensing device to regulate the haulage speed of the machine when the cutter driving mechanism is overloaded |
DE3003910A1 (de) * | 1980-02-02 | 1981-08-13 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Gewinnungseinrichtung fuer bergbau-untertagebetriebe |
JPS6029813A (ja) * | 1983-07-29 | 1985-02-15 | Canon Inc | 速度制御装置 |
JPS60134640U (ja) * | 1984-02-17 | 1985-09-07 | シチズン時計株式会社 | インパクトプリンタの空冷用フアンの制御装置 |
DE3627909A1 (de) * | 1986-08-16 | 1988-02-18 | Eickhoff Geb | Walzenlader fuer den untertagebetrieb |
DE29712892U1 (de) * | 1997-07-23 | 1997-09-11 | Elektra Beckum Ag, 49716 Meppen | Stationäre Werkzeugmaschine, insbesondere Kreissägemaschine oder Fräsmaschine |
JP3939546B2 (ja) * | 2001-12-06 | 2007-07-04 | パナソニック・イーブイ・エナジー株式会社 | 電動車両の電池電源装置 |
US20130020102A1 (en) * | 2010-02-17 | 2013-01-24 | Gardena Manufacturing Gmbh | Power Tools |
EP2763303B1 (en) * | 2011-09-30 | 2018-01-24 | Mitsubishi Electric Corporation | Heat pump device, heat pump system, and inverter control method |
CN102943672B (zh) * | 2012-11-19 | 2015-01-07 | 北方重工集团有限公司 | 采用自动修型的硬岩掘进机采煤机电控装置 |
CN103982181B (zh) * | 2014-05-27 | 2016-06-15 | 重庆大学 | 一种采煤机高可靠性机电液短程截割传动系统及控制方法 |
CN106351656A (zh) * | 2016-10-21 | 2017-01-25 | 南京六合佳源矿山设备有限公司 | 一种基于液压闭式传动系统无级变速采煤机截割部 |
CN109630110B (zh) * | 2019-01-18 | 2020-02-18 | 天地科技股份有限公司 | 一种综采工作面煤层厚度自适应截割控制方法及电子设备 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2129049A (en) * | 1938-04-18 | 1938-09-06 | Gray & Co G A | Means for regulating the rate of feed of a milling machine or other machine tool |
US2809333A (en) * | 1952-10-07 | 1957-10-08 | Giddings & Lewis | Constant chip thickness motor control system for machine tools |
DE1233356B (de) * | 1965-08-02 | 1967-02-02 | Eickhoff Maschinenfabrik Geb | Elektrisch angetriebene Schraemmaschine |
DE1534650A1 (de) * | 1966-03-31 | 1969-02-20 | Habegger Maschf | Verfahren und Vorrichtung zur Regelung der Fraestrommelrotation und des Laengsvorschubs fuer Maschinen zum Vortrieb unterirdischer Strecken |
-
1970
- 1970-06-01 FR FR7019934A patent/FR2046932B1/fr not_active Expired
- 1970-06-04 GB GB2691370A patent/GB1317045A/en not_active Expired
- 1970-06-18 US US47529A patent/US3633081A/en not_active Expired - Lifetime
- 1970-06-20 JP JP45053998A patent/JPS5013722B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US3633081A (en) | 1972-01-04 |
DE1931357A1 (de) | 1970-12-23 |
DE1931357B2 (de) | 1972-11-02 |
GB1317045A (en) | 1973-05-16 |
JPS5013722B1 (cs) | 1975-05-22 |
FR2046932A1 (cs) | 1971-03-12 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |