BE550997A - - Google Patents

Info

Publication number
BE550997A
BE550997A BE550997DA BE550997A BE 550997 A BE550997 A BE 550997A BE 550997D A BE550997D A BE 550997DA BE 550997 A BE550997 A BE 550997A
Authority
BE
Belgium
Application number
Priority date (The priority date 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 date listed.)
Publication of BE550997A publication Critical patent/BE550997A/xx

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/12—Valves; Arrangement of valves arranged in or on pistons
    • F04B53/125—Reciprocating valves
    • F04B53/126—Ball valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B66F3/25—Constructional features
    • B66F3/42—Constructional features with self-contained pumps, e.g. actuated by hand
    • 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
    • E21D15/14—Telescopic props
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
    • E21D15/45—Hydraulic, pneumatic, or hydraulic-pneumatic props having closed fluid system, e.g. with built-in pumps or accumulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
    • F04B49/24—Bypassing
    • F04B49/243—Bypassing by keeping open the inlet valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B5/00—Machines or pumps with differential-surface pistons

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Reciprocating Pumps (AREA)
BE550997D 1956-03-07 BE550997A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEE12050A DE1007715B (de) 1956-03-07 1956-03-07 Kolbenpumpe fuer Presszylinder, insbesondere fuer hydraulische Grubenstempel

Publications (1)

Publication Number Publication Date
BE550997A true BE550997A (enrdf_load_stackoverflow)

Family

ID=7068230

Family Applications (1)

Application Number Title Priority Date Filing Date
BE550997D BE550997A (enrdf_load_stackoverflow) 1956-03-07

Country Status (6)

Country Link
US (1) US2989001A (enrdf_load_stackoverflow)
BE (1) BE550997A (enrdf_load_stackoverflow)
DE (1) DE1007715B (enrdf_load_stackoverflow)
FR (1) FR1159274A (enrdf_load_stackoverflow)
GB (1) GB842452A (enrdf_load_stackoverflow)
NL (3) NL121983C (enrdf_load_stackoverflow)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3064581A (en) * 1959-07-10 1962-11-20 Power Jacks Ltd Reciprocating hydraulic pumps
US3143075A (en) * 1961-06-12 1964-08-04 Halliburton Co Pump
US3155041A (en) * 1963-05-16 1964-11-03 Mansfield Green Inc Pressure apparatus
US3694111A (en) * 1970-03-04 1972-09-26 Anton Braun Free piston engine bounce compressor
GB2357806A (en) * 1999-12-02 2001-07-04 Trevor John Honour Load bearing props
AT503697B1 (de) * 2006-06-02 2008-06-15 Bosch Gmbh Robert Pumpenelement für eine hochdruckpumpe
CN102826480A (zh) * 2012-08-20 2012-12-19 常熟通润汽车零部件股份有限公司 结构改良的液压千斤顶的回油装置
CN102910554B (zh) * 2012-10-25 2015-04-22 杭州天恒机械有限公司 一种具有双重起升负载的千斤顶液压油路
CN103291929B (zh) * 2013-06-03 2015-08-26 太仓兴锋脚轮有限公司 用于油压工具的油室密封装置
US20150210518A1 (en) * 2014-01-27 2015-07-30 Chung-Yi Yang Anti-overpressure double-acting threaded jack
CN113606116A (zh) * 2021-09-14 2021-11-05 扬州市吉奥米金属制品有限公司 一种可对单次做功行程进行调节的空压机用气缸活塞组件

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US833457A (en) * 1903-08-11 1906-10-16 James W Nelson Pump for hydraulic jacks and other purposes.
US895666A (en) * 1907-07-08 1908-08-11 James W Nelson Hydraulic-pressure pump.
US909647A (en) * 1908-01-31 1909-01-12 James W Nelson Hydraulic pump.
US904557A (en) * 1908-02-04 1908-11-24 James W Nelson Hydraulic pump.
US1080062A (en) * 1912-02-17 1913-12-02 Bethlehem Steel Corp Pump mechanism for hydraulic jacks and like apparatus.
US1521461A (en) * 1921-06-02 1924-12-30 Bethlehem Steel Corp Variable-pressure power pump
US2091876A (en) * 1936-05-14 1937-08-31 Samuel W Oldham Fluid pressure generating means
US2447650A (en) * 1944-04-17 1948-08-24 Walker Mfg Co Pump mechanism
US2435326A (en) * 1945-03-02 1948-02-03 Duff Norton Mfg Company Fluid pump
US2659307A (en) * 1947-11-04 1953-11-17 Yale & Towne Mfg Co Compound pressure pump
NL191038A (enrdf_load_stackoverflow) * 1953-09-24 1900-01-01
US2820415A (en) * 1956-03-12 1958-01-21 Ray W Born Low pressure, high volume-high pressure, low volume pump

Also Published As

Publication number Publication date
NL121983C (enrdf_load_stackoverflow)
DE1007715B (de) 1957-05-09
FR1159274A (fr) 1958-06-25
US2989001A (en) 1961-06-20
GB842452A (en) 1960-07-27
NL212619A (enrdf_load_stackoverflow)
NL211784A (enrdf_load_stackoverflow)

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