Title:
HYBRID CONSTRUCTION MACHINE
Document Type and Number:
WIPO Patent Application WO/2016/140190
Kind Code:
A1
Abstract:
The objective of the present invention is to provide a hybrid construction machine wherein a power storage device can quickly be warmed up and the service life of the power storage device can be improved. This hybrid construction machine is equipped with: an engine (1); an electric motor that supplements the power of the engine (1) and generates power; a power storage device (8) that transmits power to and receives power from the electric motor; a warmup circuit (25) that circulates a heating medium heated by waste heat from the engine (1) or the electric motor, or by a heater (40), in the vicinity of the power storage device (8); a control device that controls the charging/discharging of the power storage device (8) and the circulation of the heating medium by the warmup circuit (25); and an outside air temperature measurement device that measures the outside air temperature. The control device performs a warmup operation by means of the heating medium, determines whether to perform charging/discharging of the power storage device (8) for the purpose of a warmup operation, in response to the outside air temperature as measured by the outside air temperature measurement device, and executes a warmup operation wherein the warmup operation based on charging/discharging of the power storage device (8) is performed at the same time.
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Inventors:
OSAKA TADASHI (JP)
TAKEUCHI KEN (JP)
WATANABE AKIRA (JP)
TAKEUCHI KEN (JP)
WATANABE AKIRA (JP)
Application Number:
PCT/JP2016/056065
Publication Date:
September 09, 2016
Filing Date:
February 29, 2016
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACH CO (JP)
International Classes:
F02D29/00; B60K6/485; B60W10/06; B60W10/26; B60W20/00; E02F9/20
Domestic Patent References:
| WO2010079794A1 | 2010-07-15 |
Foreign References:
| JP2012140771A | 2012-07-26 | |||
| JP2015016824A | 2015-01-29 | |||
| JP2013052866A | 2013-03-21 | |||
| JP2010127271A | 2010-06-10 |
Other References:
See also references of EP 3267015A4
Attorney, Agent or Firm:
POLAIRE I. P. C. (JP)
Polaire Intellectual Property Corporation (JP)
Polaire Intellectual Property Corporation (JP)
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