FR1400585A - Pressure multiplier device and its applications - Google Patents
Pressure multiplier device and its applicationsInfo
- Publication number
- FR1400585A FR1400585A FR971121A FR971121A FR1400585A FR 1400585 A FR1400585 A FR 1400585A FR 971121 A FR971121 A FR 971121A FR 971121 A FR971121 A FR 971121A FR 1400585 A FR1400585 A FR 1400585A
- Authority
- FR
- France
- Prior art keywords
- applications
- multiplier device
- pressure multiplier
- pressure
- multiplier
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/58—Devices for setting props or chocks
- E21D15/585—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
- E21D17/02—Cantilever extension or similar protecting devices
- E21D17/0206—Hydraulically operated extension devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
- E21D23/0069—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices without essential advancing shifting devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Structural Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Actuator (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR971121A FR1400585A (en) | 1964-04-16 | 1964-04-16 | Pressure multiplier device and its applications |
GB13172/65A GB1068355A (en) | 1964-04-16 | 1965-03-29 | Improvements in or relating to mine roof supports |
US447309A US3333425A (en) | 1964-04-16 | 1965-04-12 | Hydraulic mine roof supports |
DEA23641U DE1982420U (en) | 1964-04-16 | 1965-04-15 | HIKING HYDRAULIC PIT REMOVAL ELEMENT. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR971121A FR1400585A (en) | 1964-04-16 | 1964-04-16 | Pressure multiplier device and its applications |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1400585A true FR1400585A (en) | 1965-05-28 |
Family
ID=8827909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR971121A Expired FR1400585A (en) | 1964-04-16 | 1964-04-16 | Pressure multiplier device and its applications |
Country Status (4)
Country | Link |
---|---|
US (1) | US3333425A (en) |
DE (1) | DE1982420U (en) |
FR (1) | FR1400585A (en) |
GB (1) | GB1068355A (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3656868A (en) * | 1967-12-01 | 1972-04-18 | Orpha B Brandon | Method of pumping fluids with an energy wave generator |
GB1234661A (en) * | 1968-01-17 | 1971-06-09 | ||
US3582237A (en) * | 1968-10-18 | 1971-06-01 | Tecalemit Engineering | Fluid displacement units |
DE2027299A1 (en) * | 1970-06-03 | 1971-12-09 | Klöckner-Werke ,4100 Duisburg | Cap pull for the support frame of the traveling longwall mining |
US3797967A (en) * | 1972-05-10 | 1974-03-19 | D Howeth | Hydraulic throttle actuator |
US4659292A (en) * | 1976-12-20 | 1987-04-21 | Dennis J. Lawman | Hydraulic power booster apparatus |
US4343595A (en) * | 1976-12-20 | 1982-08-10 | Wells David L | Hydraulic power booster apparatus |
US4773795A (en) * | 1986-08-08 | 1988-09-27 | Klockner-Becorit Gmbh | Roof cap assembly with supporting cylinders for roof support mechanism |
DE4229595C1 (en) * | 1992-09-04 | 1993-08-19 | Bayerische Motoren Werke Ag, 8000 Muenchen, De | |
CA2182913C (en) * | 1995-08-14 | 2006-04-04 | Morten Myhre | Pressure-boost device for downhole tools |
FR2830058A1 (en) * | 2001-09-26 | 2003-03-28 | Beringer Sa | Pressure amplifier for motor vehicle clutch or brake hydraulic circuit has shouldered piston sliding in coaxial chambers to control fluid flow and pressure |
WO2009024136A2 (en) * | 2007-08-23 | 2009-02-26 | Tiefenbach Control Systems Gmbh | Stope supporting structure for face support in mines |
RU2643574C1 (en) * | 2016-11-16 | 2018-02-02 | Общество с ограниченной ответственностью Финансово-промышленная компания "Космос-Нефть-Газ" | Hydraulic multiplier |
RU2637162C1 (en) * | 2016-11-16 | 2017-11-30 | Общество с ограниченной ответственностью Финансово-промышленная компания "Космос-Нефть-Газ" | Hydraulic multiplier |
US10954966B2 (en) * | 2017-10-25 | 2021-03-23 | Raytheon Company | Bootstrap accumulator containing integrated bypass valve |
CN112610543B (en) * | 2020-12-18 | 2022-04-15 | 中国矿业大学 | Vertical shaft construction stepping template system, hydraulic control system thereof and pipeline collecting or installing method |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2067358A (en) * | 1934-09-08 | 1937-01-12 | Thornton William Kenneth | Tire pump |
US3097829A (en) * | 1959-01-16 | 1963-07-16 | Gullick Ltd | Roof support in mines |
US3086470A (en) * | 1960-03-28 | 1963-04-23 | Skipor | System for increasing fluid pressure |
-
1964
- 1964-04-16 FR FR971121A patent/FR1400585A/en not_active Expired
-
1965
- 1965-03-29 GB GB13172/65A patent/GB1068355A/en not_active Expired
- 1965-04-12 US US447309A patent/US3333425A/en not_active Expired - Lifetime
- 1965-04-15 DE DEA23641U patent/DE1982420U/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1982420U (en) | 1968-04-04 |
GB1068355A (en) | 1967-05-10 |
US3333425A (en) | 1967-08-01 |
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