About 52 results
https://drivepatents.com/patents/981371 · 4 Dec 2013
Provided is a hybrid construction machine in which circuit configuration for maintaining an engine, an electric storage device and hybrid equipment at appropriate temperatures can be simplified and reduced in size. The hybrid construction machine includes:...
https://drivepatents.com/patents/983417 · 16 Oct 2013
To obtain a reliable and sufficient air breather function even during an operation on sloping ground while achieving compactness in a height direction and a diametrical direction, the present invention includes a dry brake 16 provided between a motor 1 and...
https://drivepatents.com/patents/984132 · 4 Sep 2013
A construction machine includes an engine disposed in an engine room, a heat exchanger disposed in the engine room, an air intake passage configured to provide a communication between the interior and the exterior of the engine room, and a cooling fan disp...
https://drivepatents.com/patents/988092 · 31 Jul 2013
Provided is a construction machine capable of effectively lowering a voltage between terminals of an energy storage unit for use in drive assistance and regeneration without involving an intolerable increase in cost and facility space. The construction mac...
https://drivepatents.com/patents/988651 · 17 Jul 2013
In a construction machine, an equipment room cover is formed with a maintenance hole, which has such a shape as to allow an air filter to pass, at a position on a rear side of the air filter mounted to a filter mounting portion of an air intake duct. A loc...
https://drivepatents.com/patents/988581 · 17 Jul 2013
A device comprises an engine (1) including a crank shaft with a first end portion (4e), a generator motor (2) including a rotor shaft (6) with a second end portion (6e), a flywheel (5) with first and second connection portions (5c, 5r) connected to the fir...
https://drivepatents.com/patents/989740 · 12 Jun 2013
The present charging rate of a battery (12) is accurately calculated. The calculation mode of the present charging rate is switched to a current integration mode during operation of a generator motor (8) while the mode is switched to a voltage reference mo...
https://drivepatents.com/patents/985088 · 17 Apr 2013
Provided is an interior cover covering a device near an operator's seat and having an article holding section capable of discharging a foreign substance while preventing the foreign substance from attaching the device. The interior cover comprises: a cover...
https://drivepatents.com/patents/985085 · 17 Apr 2013
Provided is a construction machine (1) which comprises an upper slewing body (3) including: a frame bottom plate (20) formed with a downward opening (22); an undercover (30) detachably attached to the frame bottom plate (20) to close up the opening (22); a...
https://drivepatents.com/patents/991845 · 10 Apr 2013
A construction machine includes an exhaust duct (50) for discharging a lower airflow to the exterior of an engine room (37). An air inlet (51) for introducing air into the exhaust duct is provided in an upper portion of the exhaust duct, and an air outlet ...