BR112021025478A2 - Composições de aço resistentes ao desgaste e à corrosão e bombas de alta pressão e componentes de bomba compreendendo as mesmas - Google Patents

Composições de aço resistentes ao desgaste e à corrosão e bombas de alta pressão e componentes de bomba compreendendo as mesmas

Info

Publication number
BR112021025478A2
BR112021025478A2 BR112021025478A BR112021025478A BR112021025478A2 BR 112021025478 A2 BR112021025478 A2 BR 112021025478A2 BR 112021025478 A BR112021025478 A BR 112021025478A BR 112021025478 A BR112021025478 A BR 112021025478A BR 112021025478 A2 BR112021025478 A2 BR 112021025478A2
Authority
BR
Brazil
Prior art keywords
high pressure
same
pressure pumps
resistant steel
wear
Prior art date
Application number
BR112021025478A
Other languages
English (en)
Inventor
Scott Pearson Alastair
Frank Hippenstiel
Jacob Bayyouk
Michael Muller
Original Assignee
Spm Oil & Gas Inc
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.)
Filing date
Publication date
Application filed by Spm Oil & Gas Inc filed Critical Spm Oil & Gas Inc
Publication of BR112021025478A2 publication Critical patent/BR112021025478A2/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • 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
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/25—Methods for stimulating production
    • E21B43/26—Methods for stimulating production by forming crevices or fractures
    • 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
    • F04B19/00—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
    • F04B19/04—Pumps for special use
    • 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
    • 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
    • F04B53/006—Crankshafts
    • 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
    • F04B53/007—Cylinder heads
    • 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
    • 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
    • F04B53/108—Valves characterised by the material
    • 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
    • F04B53/14—Pistons, piston-rods or piston-rod connections
    • 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
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • 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
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • F04B53/162—Adaptations of cylinders
    • 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
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • F04B53/162—Adaptations of cylinders
    • F04B53/166—Cylinder liners
    • 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
    • F04B53/1085—Valves; Arrangement of valves having means for limiting the opening height
    • 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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
    • F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
    • F04B9/045—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being eccentrics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00—Metals
    • F05C2201/04—Heavy metals
    • F05C2201/0433—Iron group; Ferrous alloys, e.g. steel
    • F05C2201/0448—Steel

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Details Of Reciprocating Pumps (AREA)

Abstract

composições de aço resistentes ao desgaste à corrosão e bombas de alta pressão e componentes de bomba compreendendo as mesmas. a presente divulgação refere-se, de acordo com algumas modalidades, a uma composição de aço resistente incluindo um teor de níquel de cerca de 1,75% mb a cerca de 5,75% mb. além disso, a presente divulgação refere-se a um conjunto de bloco de extremidade de fluido para uso em um aparelho de bomba com pistão, o conjunto de extremidade de fluido incluindo: pelo menos um corpo do cilindro configurado para receber um respectivo pistão de uma extremidade de potência; pelo menos um orifício de sucção configurado para alojar um corpo de válvula, um assento de válvula, uma mola; um retentor de mola, com, pelo menos, um dentre o corpo do cilindro, o orifício de sucção, e o retentor de mola sendo composto por uma composição de aço com um teor de níquel de cerca de 1,75% mb a cerca de 5,75% mb.
BR112021025478A 2019-06-21 2020-06-18 Composições de aço resistentes ao desgaste e à corrosão e bombas de alta pressão e componentes de bomba compreendendo as mesmas BR112021025478A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962864932P 2019-06-21 2019-06-21
PCT/US2020/038518 WO2020257515A1 (en) 2019-06-21 2020-06-18 Wear and corrosion resistant steel compositions and high pressure pumps and pump components comprised thereof

Publications (1)

Publication Number Publication Date
BR112021025478A2 true BR112021025478A2 (pt) 2022-03-22

Family

ID=74040695

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021025478A BR112021025478A2 (pt) 2019-06-21 2020-06-18 Composições de aço resistentes ao desgaste e à corrosão e bombas de alta pressão e componentes de bomba compreendendo as mesmas

Country Status (8)

Country Link
US (1) US20220098962A1 (pt)
EP (1) EP3987073A4 (pt)
KR (1) KR20220039705A (pt)
CN (1) CN114127323A (pt)
BR (1) BR112021025478A2 (pt)
CA (1) CA3143335A1 (pt)
MX (1) MX2021015991A (pt)
WO (1) WO2020257515A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113832396B (zh) * 2021-08-27 2022-04-26 马鞍山钢铁股份有限公司 一种长寿命适用于非常规油气作业压裂泵阀体用钢及其锻造方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2445454A1 (fr) * 1978-12-29 1980-07-25 Dart Ind Inc Pompes a haute pression
US7364412B2 (en) * 2004-08-06 2008-04-29 S.P.M. Flow Control, Inc. System, method, and apparatus for valve stop assembly in a reciprocating pump
US9435333B2 (en) * 2011-12-21 2016-09-06 Halliburton Energy Services, Inc. Corrosion resistant fluid end for well service pumps
CN104169579A (zh) * 2012-02-03 2014-11-26 S.P.M.流量控制股份有限公司 包括载荷传递肩部的泵流体气缸和用于其的阀座
US20140086774A1 (en) * 2012-09-24 2014-03-27 Gardner Denver, Inc. Fluid end of a high pressure plunger pump having a groove adapted to receive a spring retainer of a suction valve
KR101929104B1 (ko) * 2014-04-11 2018-12-13 신닛테츠 스미킨 가부시키가이샤 방식 강재 및 그의 제조방법, 강재의 방식방법 및 밸러스트 탱크
CA2954375C (en) * 2014-07-11 2019-06-04 Fmc Technologies, Inc. Valve stop retainer device
AR106097A1 (es) * 2015-09-22 2017-12-13 Ypf Tecnología S A Pistón con tratamiento de nitruración iónica para una bomba de fractura hidráulica y un método de fabricación de dicho pistón
US20170088910A1 (en) * 2015-09-29 2017-03-30 Exxonmobil Research And Engineering Company Corrosion and cracking resistant high manganese austenitic steels containing passivating elements
CN105441827A (zh) * 2015-11-25 2016-03-30 铜陵市经纬流体科技有限公司 一种含纳米碳化铌的耐蚀耐热不锈钢泵阀铸件及其制备方法
KR101758481B1 (ko) * 2015-12-14 2017-07-17 주식회사 포스코 내식성 및 저온인성이 우수한 파이프용 강재 및 그 제조방법
JP6660789B2 (ja) * 2016-03-28 2020-03-11 日鉄ステンレス株式会社 燃料ポンプ部材用フェライト系ステンレス鋼板および燃料ポンプ部材
CN105781965B (zh) * 2016-04-11 2018-07-20 大庆井泰机械制造有限公司 一种高压柱塞泵的柱塞副
CN106011685B (zh) * 2016-07-07 2018-10-09 浙江睿智钢业有限公司 高强度抗腐蚀的钢材及应用
US10870900B2 (en) * 2017-06-07 2020-12-22 A. Finkl & Sons Co. High toughness martensitic stainless steel and reciprocating pump manufactured therewith

Also Published As

Publication number Publication date
CA3143335A1 (en) 2020-12-24
MX2021015991A (es) 2022-03-11
KR20220039705A (ko) 2022-03-29
WO2020257515A1 (en) 2020-12-24
EP3987073A1 (en) 2022-04-27
CN114127323A (zh) 2022-03-01
US20220098962A1 (en) 2022-03-31
EP3987073A4 (en) 2023-06-28

Similar Documents

Publication Publication Date Title
BR112013016424A2 (pt) conjunto de válvula para uma extremidade de fluido de uma bomba de alta pressão, extremidade de fluido para uma bomba de alta pressão e método para manutenção de uma extremidade de fluido de uma bomba de alta pressão
BR112013024275A2 (pt) válvula reguladora de contrapressão com cartucho de válvula
BRPI0500078A (pt) Montagem de válvula de aerador acionada a pressão positiva
BR112021025478A2 (pt) Composições de aço resistentes ao desgaste e à corrosão e bombas de alta pressão e componentes de bomba compreendendo as mesmas
BR112018005846A2 (pt) circuito hidráulico para uso em veículo de cvt
BR112021019002A2 (pt) Bomba e sistema e métodos associados
RU106928U1 (ru) Клапанный узел плунжерного насоса для обслуживания скважин
GB977081A (en) Treater for water system
GB526945A (en) Improvements in or relating to shock-absorbing or fluid-pressure-relieving apparatus
GB488271A (en) Improvements in and connected with pumps
BR112022023715A2 (pt) Bomba para dispensa de um fluido
GB138405A (en) Improvements in or relating to suction or delivery valves for pumps
GB264395A (en) Improvements in double acting plunger pumps and the like
GB669995A (en) Improvements in hydraulic telemotor systems
RU2022100639A (ru) Составы износостойкой и коррозионно-стойкой стали, и насосы высокого давления, и компоненты насосов, содержащие их
CN205503600U (zh) 搬运车的油阀机构
GB253442A (pt)
GB191303059A (en) Improvements in or relating to Piston Valves for Pumps.
GB248165A (en) Improvements in automatic pumps
GB551396A (en) Improvements in liquid pumps
GB191509114A (en) A New or Improved Pump or Compressor.
GB170161A (en) Improvements in and relating to pumps
GB623467A (en) Improvements in plunger or piston pumps
GB738906A (en) Improvements in or relating to the regulation of plunger pumps
PL441420A1 (pl) Butelka do szybkiego napełniania