About 227 results
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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/979099 · 29 Jan 2014
The method involves determining (2) the currently available power of an electrical storage device based on fulfillment (1) of a predetermined activation condition. Determination is performed (3) to check whether the currently available power exceeds the po...
https://drivepatents.com/patents/979554 · 15 Jan 2014
A machine (100) comprising a clutch (112), an engine (102) operable at a resonant frequency engine speed, and a hybrid motor (118). The hybrid motor is connected to the engine through the clutch. The hybrid motor applies power to the engine when the clutch...
https://drivepatents.com/patents/979552 · 15 Jan 2014
A machine (100) comprising an engine (102) operable at various engine speeds including a resonant frequency engine speed. The machine comprises a hybrid motor (118) operatively connected to the engine, the hybrid motor being adapted to apply power to the e...
https://drivepatents.com/patents/981817 · 20 Nov 2013
A traction force control section of a wheel loader, when the determination conditions are satisfied during traction force control, increases the maximum traction force. The determination conditions include that the aspect of operation is excavation, that t...
https://drivepatents.com/patents/982037 · 13 Nov 2013
In a work vehicle, a control section increases the displacement of a hydraulic motor for travel when the drive circuit pressure becomes larger than a target pressure determined according to the engine rotational speed, and reducing the displacement of the ...
https://drivepatents.com/patents/982133 · 6 Nov 2013
The invention relates to a vehicle speed control using an accelerator and a brake. Vehicle speed is controlled using the accelerator and the brake. The invention switches between accelerator control and brake control considering future acceleration demand,...
https://drivepatents.com/patents/983301 · 16 Oct 2013
A driving assistance device capable of increasing fuel economy by setting a driving assistance means appropriate for running environment information of a vehicle, is provided with a first reliability assessment device (210), a second reliability assessment...
https://drivepatents.com/patents/983833 · 2 Oct 2013
The present invention is provided with a hydraulic control circuit including a hydraulic pump driven by a driving power source in order to supply an oil pressure to a hydraulic circuit, a hydraulic auxiliary unit for supplying an accumulated oil pressure t...
https://drivepatents.com/patents/987513 · 14 Aug 2013
A hybrid working machine includes an engine (11), a motor generator (12) connected to the engine (11), a variable displacement hydraulic pump (14) configured to be driven to rotate with an output of the engine (11); and a control part (30) configured to co...