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AU3360493A - Valve mechanism - Google Patents

Valve mechanism

Info

Publication number
AU3360493A
AU3360493A AU33604/93A AU3360493A AU3360493A AU 3360493 A AU3360493 A AU 3360493A AU 33604/93 A AU33604/93 A AU 33604/93A AU 3360493 A AU3360493 A AU 3360493A AU 3360493 A AU3360493 A AU 3360493A
Authority
AU
Australia
Prior art keywords
cylinder
sleeve
communication
gallery
fluid
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.)
Abandoned
Application number
AU33604/93A
Inventor
John William Paul Holloway
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.)
BSP International Foundations Ltd
Original Assignee
BSP International Foundations Ltd
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
Priority claimed from GB929201185A external-priority patent/GB9201185D0/en
Application filed by BSP International Foundations Ltd filed Critical BSP International Foundations Ltd
Publication of AU3360493A publication Critical patent/AU3360493A/en
Abandoned legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/02Placing by driving
    • E02D7/06Power-driven drivers
    • E02D7/10Power-driven drivers with pressure-actuated hammer, i.e. the pressure fluid acting directly on the hammer structure
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/02Placing by driving
    • E02D7/06Power-driven drivers
    • E02D7/14Components for drivers inasmuch as not specially for a specific driver construction

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Actuator (AREA)
  • Fluid-Driven Valves (AREA)
  • External Artificial Organs (AREA)
  • Details Of Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

A hydraulic ram comprises a cylinder having a piston carrying a rod member extending through an end wall of the cylinder and adapted to be connected to a hammer weight, said cylinder having means for achieving flow of fluid to and from the head space between the piston and said first end of the cylinder, and a valve mechanism located at or adjacent the other end of the cylinder characterised in that: a) the valve mechanism comprises a valve sleeve member journalled within the cylinder and having with the cooperating wall of the cylinder a circumferential gallery adapted to be in communication with fluid at elevated pressure at all positions of the sleeve; b) the cooperating cylinder wall has one or more ports adapted to place gallery in communication with either the said head space or a port for discharging fluid from the cylinder; c) a sleeve position control chamber encompasses one end of said sleeve and is adapted to be put in communication with either a low or a high pressure zone; and d) the relative radial components of end faces of the portion of said gallery carried by said sleeve and the end face of said sleeve exposed to the fluid in said control chamber are such that the sleeve is either in a biassed position with said head space in communication with the discharge port or it is in an unbiassed position with said head space in communication with said gallery.
AU33604/93A 1992-01-21 1993-01-19 Valve mechanism Abandoned AU3360493A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB929201185A GB9201185D0 (en) 1992-01-21 1992-01-21 Valve mechanism
GB9201185 1992-01-21
SG1996007631A SG43961A1 (en) 1992-01-21 1993-01-19 Valve mechanism

Publications (1)

Publication Number Publication Date
AU3360493A true AU3360493A (en) 1993-08-03

Family

ID=26300185

Family Applications (1)

Application Number Title Priority Date Filing Date
AU33604/93A Abandoned AU3360493A (en) 1992-01-21 1993-01-19 Valve mechanism

Country Status (7)

Country Link
EP (1) EP0624217B1 (en)
AT (1) ATE145028T1 (en)
AU (1) AU3360493A (en)
DE (1) DE69305839T2 (en)
FI (1) FI943455A (en)
SG (1) SG43961A1 (en)
WO (1) WO1993014271A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9072301B2 (en) 2012-02-03 2015-07-07 Basf Se Fungicidal pyrimidine compounds

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3925985A (en) * 1973-01-09 1975-12-16 Rapidex Inc Impact actuator
FR2509217A1 (en) * 1981-07-10 1983-01-14 Montabert Ets MU-PERCUSSION APPARATUS USING PRESSURIZED FLUID
DE3400302A1 (en) * 1984-01-03 1985-08-29 Mannesmann AG, 4000 Düsseldorf HYDRAULIC ACTUATOR
DE58903827D1 (en) * 1989-03-23 1993-04-22 Menck Gmbh HYDRAULIC VALVE COMBINATION FOR HAMMER.

Also Published As

Publication number Publication date
WO1993014271A1 (en) 1993-07-22
FI943455A0 (en) 1994-07-21
ATE145028T1 (en) 1996-11-15
EP0624217B1 (en) 1996-11-06
FI943455A (en) 1994-09-21
SG43961A1 (en) 1997-11-14
DE69305839T2 (en) 1997-05-07
EP0624217A1 (en) 1994-11-17
DE69305839D1 (en) 1996-12-12

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