WO2007126759A3 - Two-stage air powered pump - Google Patents

Two-stage air powered pump Download PDF

Info

Publication number
WO2007126759A3
WO2007126759A3 PCT/US2007/007473 US2007007473W WO2007126759A3 WO 2007126759 A3 WO2007126759 A3 WO 2007126759A3 US 2007007473 W US2007007473 W US 2007007473W WO 2007126759 A3 WO2007126759 A3 WO 2007126759A3
Authority
WO
WIPO (PCT)
Prior art keywords
reservoir
stage air
air powered
powered pump
pump
Prior art date
Application number
PCT/US2007/007473
Other languages
French (fr)
Other versions
WO2007126759A2 (en
Inventor
Micah L Digman
Original Assignee
Actuant Corp
Micah L Digman
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 Actuant Corp, Micah L Digman filed Critical Actuant Corp
Priority to US12/293,456 priority Critical patent/US20090169401A1/en
Publication of WO2007126759A2 publication Critical patent/WO2007126759A2/en
Publication of WO2007126759A3 publication Critical patent/WO2007126759A3/en

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
    • 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
    • F04B41/00—Pumping installations or systems specially adapted for elastic fluids
    • F04B41/02—Pumping installations or systems specially adapted for elastic fluids having reservoirs
    • 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
    • F04B9/1207—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 using a source of partial vacuum or sub-atmospheric pressure
    • F04B9/1222—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 using a source of partial vacuum or sub-atmospheric pressure the return stroke being obtained by an elastic fluid under pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F1/00—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped
    • F04F1/06—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped the fluid medium acting on the surface of the liquid to be pumped

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Reciprocating Pumps (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Details Of Reciprocating Pumps (AREA)

Abstract

A two-stage air powered hydraulic pump has a portion of the air pressure that operates the pump diverted directly to the reservoir. The air pressure on the reservoir presses hydraulic fluid in the reservoir out of the reservoir, through the pumping chamber and to the load to quickly advance the load under low load conditions and to pre-charge the pumping chamber.
PCT/US2007/007473 2006-03-27 2007-03-26 Two-stage air powered pump WO2007126759A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/293,456 US20090169401A1 (en) 2006-03-27 2007-03-26 Two-stage air powered pump

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US74382006P 2006-03-27 2006-03-27
US60/743,820 2006-03-27

Publications (2)

Publication Number Publication Date
WO2007126759A2 WO2007126759A2 (en) 2007-11-08
WO2007126759A3 true WO2007126759A3 (en) 2008-03-27

Family

ID=38656004

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/007473 WO2007126759A2 (en) 2006-03-27 2007-03-26 Two-stage air powered pump

Country Status (2)

Country Link
US (1) US20090169401A1 (en)
WO (1) WO2007126759A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112007002818B4 (en) * 2006-11-21 2016-03-24 Actuant Corporation AIR-OPERATED HYDRAULIC PUMP WITH FOOT-OPERATED AIR AND HYDRAULIC VALVE

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2781728A (en) * 1954-03-02 1957-02-19 Chicago Pneumatic Tool Co Pneumatically powered hydraulic pump
US20040047747A1 (en) * 2002-09-06 2004-03-11 Kun-Shan Hsu Pneumatically driven hydraulic pump

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US47747A (en) * 1865-05-16 Improved railway-chair

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2781728A (en) * 1954-03-02 1957-02-19 Chicago Pneumatic Tool Co Pneumatically powered hydraulic pump
US20040047747A1 (en) * 2002-09-06 2004-03-11 Kun-Shan Hsu Pneumatically driven hydraulic pump

Also Published As

Publication number Publication date
WO2007126759A2 (en) 2007-11-08
US20090169401A1 (en) 2009-07-02

Similar Documents

Publication Publication Date Title
GB2474212A (en) Downhole piezoelectric devices
SG178979A1 (en) Pump body
WO2008049635A3 (en) Hydrostatic drive with braking energy recovery feature
WO2007046509A3 (en) Driving device
WO2007140436A3 (en) Hydraulically actuated submersible pump
IL198877A0 (en) Fail-safe vacuum actuated valve for high pressure delivery systems
TW200715949A (en) Systems for integrated pump and reservoir
EP2124123A3 (en) Pressurizing and pressure regulating valve and fuel supply system employing the same
EP2265773A4 (en) Hydraulic valve device
WO2012082384A3 (en) Pulsation dampening system for a reciprocating pump
ATE483912T1 (en) PUMP ELEMENT
WO2011064019A3 (en) Piston pump
WO2008106923A3 (en) Hydraulic system
WO2005068849A8 (en) Pressurized hydraulic fluid system with remote charge pump
WO2011042105A3 (en) Vane pump
WO2008003896A3 (en) Hydraulic energy recovery system
WO2006007072A3 (en) Gaseous fluid compressor control system
AU2002367332A1 (en) Device for pressure regulation of hydraulic pumps
WO2008114109A8 (en) Hydraulic apparatus
WO2007126759A3 (en) Two-stage air powered pump
WO2011135374A3 (en) Improvements relating to penis pumps
WO2010070073A3 (en) Pressure booster and diecasting arrangement
WO2010086580A3 (en) Pump for pumping hydraulic well control fluid into a prosuction flowline
EP1902875A3 (en) Hydraulic control circuit
WO2008052105A3 (en) Hydro-pneumatic system with pressure limiting valve

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07754049

Country of ref document: EP

Kind code of ref document: A2

WWE Wipo information: entry into national phase

Ref document number: 12293456

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 07754049

Country of ref document: EP

Kind code of ref document: A2