About 218 results
Showing the first 200 results.
https://drivepatents.com/patents/981582 · 27 Nov 2013
To provide a hybrid type construction machine in which work can be kept on even if the amount of electricity stored in an electric storage device is out of an appropriate value. Both a hydraulic motor 27 and an electric motor 25 are provided for driving an...
https://drivepatents.com/patents/982291 · 6 Nov 2013
When temperature is low, a low-temperature mode is selected, followed by the activation of the heating mode functionality 25a of a PCU 25. Specifically, the PCU 25 sets the ratio of energy recovered by a capacitor 23 to be equal to or greater than the larg...
https://drivepatents.com/patents/983004 · 23 Oct 2013
An exterior cover (14) is provided on an upper revolving structure (3) in order to cover onboard equipment such as an engine (8), a heat exchanger (9) and the like mounted on the upper revolving structure (3) of a hydraulic excavator (1). A left rear door ...
https://drivepatents.com/patents/983652 · 9 Oct 2013
To provide a side camera attachment structure for a construction machine which improves the assembling performance of the side camera to a vehicle body, and does not require a special protective structure for the wiring of the side camera. The construction...
https://drivepatents.com/patents/983596 · 9 Oct 2013
An upper revolving structure (3) includes a revolving frame (5), a floor member (9) which is provided on the revolving frame (5) and a front side of which serves as a footrest section (11) on which an operator rests his or her feet, a cab box (17) which fo...
https://drivepatents.com/patents/983846 · 2 Oct 2013
An engine cover (14) comprises a top surface part (15) covering an engine (8) from above and a rear surface part (16) hanging down from a rear end of the top surface part (15) and making contact with a top surface of a counterweight (7). A lock device (27)...
https://drivepatents.com/patents/983839 · 2 Oct 2013
A striker (18) provided on a rear surface part (16) of an engine cover (14) is mounted on the rear surface part (16) by using nuts (20) from an inner surface. In a counterweight (7), a bracket (21) is mounted on a top surface (7B1) of a center weight porti...
https://drivepatents.com/patents/987035 · 11 Sep 2013
A hydraulic drive system executing the load sensing control is designed to be capable of efficiently combusting and removing filter deposits inside an exhaust gas purification device (42) by pump output power increasing control when there is no actuator op...
https://drivepatents.com/patents/984219 · 4 Sep 2013
An opening through which air is delivered to a radiator for an engine installed in a haulage vehicle is split into separate portions via a support frame (24, 24A). Sound absorbing ducts (17a, 17b) are each mounted over one of the partitioned opening areas ...
https://drivepatents.com/patents/984541 · 28 Aug 2013
Provided is an electrically-operated construction machine that is capable of increasing work efficiency in a battery charging operation. A lock switch 29 provides a closed contact when a lock lever 28 in a cab 6 is placed in an unlock position. A feed port...