A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
ENGINE-ASSIST DEVICE AND INDUSTRIAL MACHINE
An inexpensive engine assist device capable of performing stable energy regeneration from an accumulator and a working machine on which the engine assist device is mounted are provided. A variable capacity type main pump and a variable capacity type assist pump having a motor function and a pump function are directly connected to an engine. A return pressure oil flowing out from a fluid pressure actuator is temporarily accumulated by a sub-accumulator and is supplied to an inlet of the assist pump, and the assist pump pressurizes the return fluid pressure oil and supplies the return fluid pressure oil to a main accumulator. A controller calculates and controls an assist pump swash plate angle using an engine load torque, and assist starting torque or charge starting torque set by engine speed setting means, and introduces a pressure-accumulated fluid discharged from the main accumulator to the inlet of the assist pump or introduces a pressurized fluid discharged from an outlet of the assist pump into the main accumulator.
ENGINE-ASSIST DEVICE AND INDUSTRIAL MACHINE
An inexpensive engine assist device capable of performing stable energy regeneration from an accumulator and a working machine on which the engine assist device is mounted are provided. A variable capacity type main pump and a variable capacity type assist pump having a motor function and a pump function are directly connected to an engine. A return pressure oil flowing out from a fluid pressure actuator is temporarily accumulated by a sub-accumulator and is supplied to an inlet of the assist pump, and the assist pump pressurizes the return fluid pressure oil and supplies the return fluid pressure oil to a main accumulator. A controller calculates and controls an assist pump swash plate angle using an engine load torque, and assist starting torque or charge starting torque set by engine speed setting means, and introduces a pressure-accumulated fluid discharged from the main accumulator to the inlet of the assist pump or introduces a pressurized fluid discharged from an outlet of the assist pump into the main accumulator.
ENGINE-ASSIST DEVICE AND INDUSTRIAL MACHINE
KAJITA SHIGEO (author) / KISHIDA KOUJI (author) / TADA SHOGO (author) / YOSHINO TETSUYA (author) / KANENAWA YUYA (author) / MATOBA NOBUAKI (author)
2016-01-07
Patent
Electronic Resource
English
IPC:
E02F
Baggern
,
DREDGING