HYBRID CONSTRUCTION MACHINERY - HITACHI CONSTRUCTION MACHINERY

Title:

HYBRID CONSTRUCTION MACHINERY

Document Type and Number:

WIPO Patent Application WO/2016/060132

Kind Code:

A1

Abstract:

Provided is hybrid construction machinery that can suitably charge and discharge an energy storage device and suppress an engine from stopping due to sudden load increase. This hybrid construction machinery comprises a hybrid controller 22 that controls the power of a hydraulic pump 17 and the electrical power of an inverter 15 in accordance with the storage battery properties of an energy storage device 16. An output instruction unit 22F of the hybrid controller 22 controls at least one of the power of the hydraulic pump 17 and the electrical power of the inverter 15 on the basis of at least one of the current or the voltage from the storage battery properties and at least one of the temperature or the state of charge from the storage battery properties.

Inventors:

TAKAHASHI CHIAKI (JP)
IMURA SHINYA (JP)
TAKEUCHI KEN (JP)
ISHIDA SEIJI (JP)
NAYA ITARU (JP)
HITA MASAFUMI (JP)

Application Number:

PCT/JP2015/078956

Publication Date:

April 21, 2016

Filing Date:

October 13, 2015

Export Citation:

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Assignee:

HITACHI CONSTRUCTION MACHINERY (JP)

International Classes:

E02F9/20; B60K6/28; B60K6/485; B60L9/18; B60L50/16; B60W10/06; B60W10/08; B60W10/30; B60W20/00; H02J7/00

Foreign References:

JP2010133236A	2010-06-17
JP2010077727A	2010-04-08
JP2014066075A	2014-04-17
JP2012233312A	2012-11-29
JP2010116708A	2010-05-27

Other References: