About 37 results
https://drivepatents.com/patents/1013895 · 13 Apr 2011
In a construction machine in which a motor is driven by battery power through an inverter in accordance with operation of an operating lever, current-leakage detection signal output means applies a voltage signal, which is adapted for detection of a curren...
https://drivepatents.com/patents/1014367 · 30 Mar 2011
A hybrid construction machine includes an engine (8), a generator motor (14), and a hydraulic pump (9). They constitute a power unit (U2), and are connected in series, with the generator motor (14) being disposed between the engine (8) and the hydraulic pu...
https://drivepatents.com/patents/1015873 · 9 Feb 2011
In a construction machine such as a hydraulic excavator in which a boom (15) of a working attachment (6) is arranged to one of the left and right sides of a cab (4) into which an operator gets on, a load transmission member (13) for transmitting a lateral ...
https://drivepatents.com/patents/1068239 · 19 Apr 2006
After a remote control valve (5) has been brought into a non-working state, a stop signal is to be sent from an engine controller (9) in a controller (7) to a governor controller (24) in an engine (1) to stop the engine (1) automatically, under the conditi...
https://drivepatents.com/patents/1069276 · 15 Mar 2006
Engine noise of a construction machine is effectively reduced without reducing cooling performance and with an increase in the height of a body cover kept minimum. To achieve the above, an air-intake opening portion (10) and an air discharge opening portio...
https://drivepatents.com/patents/1069916 · 22 Feb 2006
A control device for a construction machine according to the present invention is configured so that in the construction machine provided with an automatic stop function which automatically stops an engine (1) by an engine controller (8) upon a predetermin...
https://drivepatents.com/patents/1070404 · 1 Feb 2006
A cabin frame (21) for a cabin (4) of a construction machine includes a combination of a posterior frame body (A) having a predetermined strength and an anterior frame body (B) disposed in front thereof. The posterior frame body (A) defines a common elemen...
https://drivepatents.com/patents/1072571 · 16 Nov 2005
An engine control device for a construction machine of the present invention is configured so that an engine (1) is automatically stopped by an engine controller (7) under the condition that a remote control valve (4) is not operated, an allowance time has...
https://drivepatents.com/patents/1072733 · 9 Nov 2005
A engine control device for a construction machine of the present invention is configured so that the engine control device comprises a first switch (9) for selecting effectiveness/ineffectiveness of an automatic deceleration control by a controller (3) an...
https://drivepatents.com/patents/1072909 · 2 Nov 2005
A controller (200) of a engine control device according to the present invention is configured to activate an automatic stop control of an engine (100) when there is met a condition that an open state of a gate lever (211a) is detected by a limit switch (2...