About 52 results
https://drivepatents.com/patents/974433 · 28 May 2014
A construction machine includes: a lower propelling body; and an upper slewing body which is slewably mounted on the lower propelling body. The upper slewing body includes: an engine room provided with an intake opening for introducing cooling air from an ...
https://drivepatents.com/patents/976760 · 2 Apr 2014
Provided is a pivoting unit including a pivotable body (25), a horizontal pivot shaft (32), a support (26) for supporting the pivotable body (25) pivotably about the pivot shaft (32) so as to allow the pivotable body (25) to take a fallen posture and a rai...
https://drivepatents.com/patents/977466 · 12 Mar 2014
Provided is a hybrid construction machine including: a hydraulic actuator; a hydraulic pump which discharges hydraulic fluid for driving the hydraulic actuator; a generator-motor which performs an electric generator action of generating electric power and ...
https://drivepatents.com/patents/977692 · 5 Mar 2014
Disclosed is a hybrid construction machine including: an engine (11), a generator-motor (13), a hydraulic pump (21), an electric storage device (41), an elctric power control device (61) which controls electric power between the generator-motor (13) and th...
https://drivepatents.com/patents/978405 · 19 Feb 2014
Provided is a hybrid construction machine that enables to efficiently cool a generator motor, while suppressing an increase in the entire length of a power unit. A motor housing (13) is provided with a bulging portion (21) which is configured to axially bu...
https://drivepatents.com/patents/978571 · 12 Feb 2014
The axial lengths of coupling portions of a flywheel, a rotor shaft, and a pump shaft are reduced to reduce the axial length of an entire power unit. A crankshaft 4 and a flywheel 8 are directly coupled to each other and the flywheel 8 and a rotor shaft 5 ...
https://drivepatents.com/patents/980507 · 25 Dec 2013
Provided is a power source apparatus which suppresses wear of a electric storage device during continuous operation of a hydraulic pump under high-load pressure conditions and ensures assistance capability in subsequent normal work. The power source appara...
https://drivepatents.com/patents/980496 · 25 Dec 2013
A electric storage device and a controller are disposed efficiently without obstructing ventilation, with a vehicle size equivalent to that of a normal shovel. A hybrid construction machine includes a device case 36 which internally accommodates an electri...
https://drivepatents.com/patents/980494 · 25 Dec 2013
Provided is a power source apparatus which determines an optimal maximum input setting for a hydraulic pump, respectively for normal working and for continuous operation of the hydraulic pump under high-load pressure conditions. The power source apparatus ...
https://drivepatents.com/patents/981056 · 11 Dec 2013
A slewing-type working machine is capable of preventing a electric storage device from being overcharged while obtaining an appropriate slewing braking force by efficiently regenerating slewing energy during slewing braking. The slewing-type working machin...