About 136 results
https://drivepatents.com/patents/1010138 · 17 Aug 2011
A variable valve device and a method of controlling the variable valve device, wherein, in order to prevent a shortage of oil film in a spool section, only the spool of a solenoid on/off valve is moved at a timing not affecting operation of an air intake v...
https://drivepatents.com/patents/1013409 · 4 May 2011
An exhaust purifying system (1) for an engine (2) includes: a soot filter being provided to a PM filter device (10) to collect PM contained in exhaust gas; a regeneration execution judging unit being provided to a controller (9) to decide whether or not th...
https://drivepatents.com/patents/1015621 · 23 Feb 2011
An object of the present invention is to improve working efficiency of a working vehicle. A working vehicle (1) in which an output from an engine (101) is distributed to a traveling system (103) and a hydraulic device system (104) includes a loading operat...
https://drivepatents.com/patents/1066824 · 7 Jun 2006
An engine control device detects the state of work of a working vehicle such as a construction machine or the like, and controls the power output capacity of an engine automatically. A determination is made as to whether excavation or uphill traveling is b...
https://drivepatents.com/patents/1072031 · 7 Dec 2005
A ROPS canopy of a hydraulic shovel (hydraulic excavator) is commonly usable among various models regarding different automobile ranks. To configure this, a ROPS canopy (50A) in which two columns (31, 32) support a roof structure (40) is predefined as a ba...
https://drivepatents.com/patents/1076105 · 13 Jul 2005
In a device according to the present invention, a correction factor (K1,K2) for correcting a control input (V1,V2) of an operating member (6,7) corresponding to a pertinent operating valve (4,5) is calculated for each operating member on the basis of a rat...
https://drivepatents.com/patents/1081778 · 8 Dec 2004
A working vehicle (1) which comprises a work machine (4) in the front section of the vehicle body (3) and is provided with a counterweight (10) in the rear section of the vehicle body (3), in which the counterweight (10) is formed in a condition that the u...
https://drivepatents.com/patents/1083163 · 13 Oct 2004
A slide door-carrying cab is provided which includes a slide door (12) capable of forming a suf ficient clearance between a rear portion of the cab(10) and a back of an operator's seat, reclining the back at a sufficient angle, and giving an excellent comf...
https://drivepatents.com/patents/1083379 · 6 Oct 2004
An air conditioning apparatus for a hydraulic shovel with which a wide space in a cab can be secured and a placement operation of ducts for distributing wind to each important point in the cab is facilitated. For this purpose, in the air conditioning appar...
https://drivepatents.com/patents/1085100 · 11 Aug 2004
An inductive load drive device is disclosed comprising: a monitor circuit that inputs the drive-side terminal voltage of an inductive load (ZL) and, when a drive current of the inductive load (ZL) is cut off or rapidly decreased, outputs an operation confi...