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US 12,735,863 B2Granted
Construction machine
AssigneeYanmar Holdings Co., Ltd.
InventorKohei Okazaki
Life of this patent
Estimating the term…
Abstract
On a turn frame of an excavation machine, a hydraulic oil tank is placed in the center of a right engine chamber in the front-back direction, a control valve is placed in front of the hydraulic oil tank, a battery is further placed in front of the control valve, and a cool mechanism is placed behind the hydraulic oil tank. The controller, which outputs a signal to drive the control valve, is placed opposite the hydraulic oil tank.
Claims14
A construction machine comprising, on a vehicle body frame:
- a hydraulic oil tank configured to store a hydraulic oil discharged by a hydraulic pump configured to be driven by a prime mover;
- a control valve configured to control a flow direction and flowrate of the hydraulic oil to a plurality of hydraulic actuators configured to be actuated by the hydraulic oil discharged from the hydraulic pump;
- and
- a controller configured to control the control valve,
- wherein the controller is positioned between the control valve and the hydraulic oil tank, and
- wherein the control valve is positioned on a right front side of the vehicle body frame.
3 more elements
A construction machine comprising, on a vehicle body frame:
- a hydraulic oil tank configured to store a hydraulic oil discharged by a hydraulic pump configured to be driven by a prime mover;
- a control valve configured to control a flow direction and flowrate of the hydraulic oil to a plurality of hydraulic actuators configured to be actuated by the hydraulic oil discharged from the hydraulic pump;
- and
- a controller configured to control the control valve,
- wherein the controller is positioned between the control valve and the prime mover, and
- wherein the controller is mounted in a position facing an opposite direction than the control valve.
3 more elements
Dependencies are inferred from the claim text.