Pump control apparatus for hydraulic work machine, pump control method and construction machine

Details for Australian Patent Application No. 2006329421 (hide)

Owner Hitachi Construction Machinery Co., Ltd.

Inventors Yasuda, Gen; Yamazaki, Akihide

Agent Davies Collison Cave

Pub. Number AU-B-2006329421

PCT Pub. Number WO2007/074670

Priority 2005-374120 27.12.05 JP

Filing date 18 December 2006

Wipo publication date 5 July 2007

Acceptance publication date 11 November 2010

International Classifications

F15B 11/17 (2006.01) Servomotor systems without provision for follow-up action

E02F 9/22 (2006.01) Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups - Hydraulic or pneumatic drives

F02D 29/04 (2006.01) Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto - peculiar to engines driving pumps

F15B 11/00 (2006.01) Servomotor systems without provision for follow-up action

Event Publications

17 July 2008 PCT application entered the National Phase

  PCT publication WO2007/074670 Priority application(s): WO2007/074670

21 August 2008 Amendment Made

  The nature of the amendment is: Amend the invention title to read: Pump control apparatus for hydraulic work machine, pump control method and construction machine

11 November 2010 Application Accepted

  Published as AU-B-2006329421

10 March 2011 Standard Patent Sealed

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