CA1063871A - Fluid operated hydraulic pump including an improved hydraulic fluid pressure release assembly - Google Patents

Fluid operated hydraulic pump including an improved hydraulic fluid pressure release assembly

Info

Publication number
CA1063871A
CA1063871A CA283,992A CA283992A CA1063871A CA 1063871 A CA1063871 A CA 1063871A CA 283992 A CA283992 A CA 283992A CA 1063871 A CA1063871 A CA 1063871A
Authority
CA
Canada
Prior art keywords
fluid
hydraulic
passage
plunger
valve
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
Application number
CA283,992A
Other languages
English (en)
French (fr)
Inventor
Douglas P. Miller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Enerpac Tool Group Corp
Original Assignee
Applied Power 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 Applied Power Inc filed Critical Applied Power Inc
Application granted granted Critical
Publication of CA1063871A publication Critical patent/CA1063871A/en
Expired legal-status Critical Current

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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/12—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air
    • F04B9/123—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber
    • F04B9/127—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber rectilinear movement of the pumping member in the working direction being obtained by a single-acting elastic-fluid motor, e.g. actuated in the other direction by gravity or a spring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B11/00—Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type
    • F01B11/007—Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type in which the movement in only one direction is obtained by a single acting piston motor, e.g. with actuation in the other direction by spring means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L25/00—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means
    • F01L25/02—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means
    • F01L25/04—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means by working-fluid of machine or engine, e.g. free-piston machine
    • F01L25/06—Arrangements with main and auxiliary valves, at least one of them being fluid-driven
    • F01L25/066—Arrangements with main and auxiliary valves, at least one of them being fluid-driven piston or piston-rod being used as auxiliary 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
    • 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
    • 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
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/1002—Ball valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Check Valves (AREA)
  • Reciprocating Pumps (AREA)
CA283,992A 1976-08-25 1977-08-03 Fluid operated hydraulic pump including an improved hydraulic fluid pressure release assembly Expired CA1063871A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71774976A 1976-08-25 1976-08-25

Publications (1)

Publication Number Publication Date
CA1063871A true CA1063871A (en) 1979-10-09

Family

ID=24883307

Family Applications (1)

Application Number Title Priority Date Filing Date
CA283,992A Expired CA1063871A (en) 1976-08-25 1977-08-03 Fluid operated hydraulic pump including an improved hydraulic fluid pressure release assembly

Country Status (10)

Country Link
JP (1) JPS5327105A (it)
AU (1) AU2749777A (it)
BR (1) BR7705349A (it)
CA (1) CA1063871A (it)
DE (1) DE2738177A1 (it)
FR (1) FR2363008A1 (it)
GB (1) GB1547675A (it)
IT (1) IT1079439B (it)
MX (1) MX145712A (it)
SE (1) SE7709323L (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6047479B2 (ja) * 1979-09-18 1985-10-22 有光工業株式会社 多連式往復動ポンプ
JPS6110304A (ja) * 1984-06-26 1986-01-17 Fujitsu Ten Ltd 歪防止回路
JPS6335311U (it) * 1986-08-25 1988-03-07
SE467165B (sv) * 1988-10-28 1992-06-01 Nike Ab Tryckluft driven pumpanordning
DE19714100C1 (de) * 1997-04-05 1998-03-05 Juergen Dr Ing Berbuer Druckluftbetriebene Pumpe
US10456801B2 (en) * 2017-01-26 2019-10-29 Graco Minnesota Inc. Material sprayer having sliding pump mounting

Also Published As

Publication number Publication date
FR2363008A1 (fr) 1978-03-24
DE2738177A1 (de) 1978-03-02
IT1079439B (it) 1985-05-13
AU2749777A (en) 1979-02-08
JPS5327105A (en) 1978-03-14
BR7705349A (pt) 1978-05-23
MX145712A (es) 1982-03-25
GB1547675A (en) 1979-06-27
SE7709323L (sv) 1978-02-26

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