| Yanmar Co., Ltd. Patent applications |
| Patent application number | Title | Published |
|---|
| 20120126618 | DC-DC CONVERTER CIRCUIT - There is provided a DC-DC converter circuit with which conduction loss between switching elements is lower than in the conventional art, which affords an increase in power conversion efficiency. A DC-DC converter circuit includes a first switching element including a first semiconductor switch and a first diode, a second switching element including a second semiconductor switch and a second diode, an inductor connected between the cathodes of the first and second diodes, and a third switching element and a fourth switching element provided so as to face in mutually opposite directions on the anode sides of the first and second, wherein a first voltage supply is connected between the cathode side of the first diode and the anode side of the second diode, and a second voltage supply is connected between the anode side of the first diode and the cathode side of the second diode. | 05-24-2012 |
| 20120099352 | POWER GENERATION SYSTEM - A power generation system is provided that implements an efficient, labor-saving system interconnection in which an engine generator system, an external power supply system, and a capacitor are connected in parallel to each other, without the conventional practice to change the configuration of the engine generator system or provide an additional circuit. A power generation system implements a system interconnection in which an engine generator system, an external power supply system, and a capacitor are connected in parallel to each other. The power generation system includes discontinuing means for discontinuing direct-current voltage control by which a direct current voltage of the capacitor is controlled when electric power from a generator is supplied to the capacitor while direct current electric power that an external power supply supplies is lower than demand power that a power generation system is supposed to supply. | 04-26-2012 |
| 20120097460 | HYDRAULICALLY-POWERED WORKING VEHICLE - A hydraulically powered working vehicle includes a turning section provided at an upper side of a travel unit capable of turning, and hydraulic circuits for the working vehicle. The hydraulic circuit for the working vehicle has a first actuator group including a one side traveling motor, a first variable capacity pump for driving the first actuator group, a second actuator group including an other side traveling motor and a turning motor, and a second variable capacity pump for driving the second actuator group. The second variable capacity pump is set so that a maximum value for discharge capacity per unit time becomes large compared to that of the first variable capacity pump. | 04-26-2012 |
| 20120097022 | PUMP UNIT - A pump unit includes a variable capacity pump, and a balanced piston mechanism having a piston body, connected to an operation section of a variable swash plate, provided inside a cylinder, capable of sliding in an axial direction. The balanced piston mechanism has first, second and third pressure receiving chambers provided in the cylinder. Primary side and the secondary side working fluid pressures of an actuator switching valve are respectively introduced to the first receive pressure chamber and the second pressure receiving chamber, and a set pressure that has been previously set, corresponding to a working fluid differential pressure arising before and after passing through the actuator switching valve, in a steady state of the operating position of the actuator switching valve is introduced to the third pressure receiving chamber. | 04-26-2012 |
| 20120079815 | DIESEL ENGINE - A diesel engine is configured to be optionally set either to a low fuel consumption mode in which the amount of fuel consumption is reduced or to a low noise mode in which the noise is reduced so that a continuous regeneration mode is automatically selected when the output value of the diesel engine is greater than a predetermined value, the estimated amount of accumulation of particulate matter collected in a DPF is greater than or equal to a predetermined value, a forced regeneration mode is automatically selected when the output value of the diesel engine is less than the predetermined value and the estimated amount of accumulation of particulate matter collected in the DPF is greater than the predetermined value when either the continuous regeneration mode or forced regeneration mode is manually selected, control is started depending on the selected mode. | 04-05-2012 |
| 20120074912 | INVERTER GENERATOR - A control circuit (microcomputer) is provided in each of two inverter portions. Magnitude of a target waveform signal corresponding to a voltage to be output by each of the inverter portions is varied according to an operation state. The number of revolution of the engine is adjusted according to the larger one of the effective powers output from the two inverter portions. To cope with a temporary output shortage from the AC generator, the output voltage is temporarily lowered and then the output voltage is restored after waiting for the number of revolution of the engine increases. | 03-29-2012 |
| 20120058854 | TRANSMISSION DEVICE FOR WORK VEHICLES - Disclosed is a transmission device for work vehicles, said transmission device being capable of being used with high-horsepower engines, without an accompanying loss of power transmission efficiency or fuel economy. The transmission device is provided with: an input shaft ( | 03-08-2012 |
| 20120046835 | Vehicle and Feedback Control Method - A vehicle capable of easily translating in an arbitrary direction. A vehicle comprising: wheels composed of two front wheels and two rear wheels; four steering actuators connected to the wheels, respectively, and steering the wheels; four drive actuators connected to the wheels, respectively, and driving the wheels; a joystick ( | 02-23-2012 |
| 20120037121 | ENGINE - An engine includes a head cover covering an upper part of a cylinder head to accommodate a valve gear mechanism and an injector. The head cover is separatable into a lower cover body and an upper cover body detachable from and attachable to the lower cover body. The lower cover body includes a fuel pipe and a relay connector. Through the fuel pipe, fuel is supplied to the injector. The fuel pipe penetrates through the lower cover body. The relay connector is configured to relay power supply from outside the head cover. The relay connector is attached to the lower cover body. One end side of an injector harness disposed in the head cover is coupled to a terminal portion of the injector. Another end side of the injector harness is coupled to the relay connector. | 02-16-2012 |
| 20120023914 | Exhaust Purification Apparatus - Disclosed is an exhaust purification apparatus which comprises: a first processing unit ( | 02-02-2012 |
| 20120016570 | Engine Governor - An engine governor ( | 01-19-2012 |
| 20120006009 | Exhaust Purification Device For Internal Combustion Engine - Provided is an exhaust purification device for an internal combustion engine, wherein the operation of an internal combustion engine can be prevented from being maintained when a particulate filter is melted. An exhaust purification device ( | 01-12-2012 |
| 20110320105 | Electronically Controlled Diesel Engine - An object is to provide an electronically controlled diesel engine capable of inhibiting the drastic increase of the fuel injection quantity from the fuel injection quantity before acceleration without the measurement of the relation between the number of revolutions of an engine, boost pressure, and the upper smoke limit of the fuel injection quantity. An electronically controlled diesel engine includes an judge part of an acceleration ( | 12-29-2011 |
| 20110316309 | Waterproof Structure for Outer Roof - A waterproof structure for outer roof includes a sealing plate fixed to an upper frame so as to form a cabin member, a first elastic sealing member sandwiched between the cabin member and the outer roof, and a second elastic sealing member attached to the outer roof. The first elastic sealing member is sandwiched between the outer roof and the cabin member to form a first sealing portion that seals the inner space of the cabin from the outside. A sealing site of the second sealing member is pressed against an outward extending region to form a second sealing portion that seals the inner space of the cabin from the outside at a position outside the first sealing portion. The present invention can enhance waterproof property as well as quality in outer appearance. | 12-29-2011 |
| 20110284306 | Work Vehicle - An outer surface of a rear end of each of a pair of front frames is connected to an inner surface of a front end of the corresponding one of a pair of main frames with a spacer being interposed therebetween. Accordingly, a spacing width between the pair of front frames can be defined freely and independently of a spacing width of the pair of main frames, so that maximum steerable angles of front wheels can be increased as much as possible without increasing a mounting pitch of the pair of front wheels. Preferably, the pair of front frames are arranged such that at least upper regions in rear end surfaces thereof are located forward of the mount flange, and the engine unit and the flywheel unit are supported by the vehicle frames such that at least lower portions thereof are overlapped with the vehicle frames in a side view and the mount flange is overlapped with the upper regions in the rear end surfaces of the front frames in a front view. | 11-24-2011 |
| 20110272966 | Working Vehicle With Cabin - A working vehicle ( | 11-10-2011 |
| 20110272202 | BONNET STRUCTURE - In a bonnet structure according to the present invention, a bonnet flange | 11-10-2011 |
| 20110265462 | DIESEL ENGINE - An object is to provide a diesel engine ( | 11-03-2011 |
| 20110214446 | DESICCANT AIR CONDITIONER - A desiccant air conditioner includes an intake path that introduces air SA from outdoors to indoors, an exhaust path that exhausts air RA from indoors to outdoors, a desiccant rotor adapted to perform dehumidification by adsorbing moisture in air SA flowing through the intake path and regenerate dehumidifying capacity by releasing moisture into air RA flowing through the exhaust path, heating heat exchangers that heat air RA in the exhaust path, and a sensible heat exchanger that performs heat exchange between air RA flowing through the intake path and air SA flowing through the exhaust path, wherein two dehumidification regions, the first dehumidification region and the second dehumidification region, through which air in the intake path passes and two regeneration regions, the first regeneration region and the second regeneration region, through which the air RA in the exhaust path passes are alternately formed in the desiccant rotor. | 09-08-2011 |
| 20110204651 | Engine Generator - An engine generator is provided having an improved cooling effect realized by cooling air while ensuring a compact arrangement of components in a housing. The engine generator includes an engine | 08-25-2011 |
| 20110203399 | WORK MACHINE - A tractor, which comprises a boom and a bucket being coupled with each other in series and having the same rotating direction, and a control lever for operating both the boom and the bucket, wherein: a control button is equipped in the control lever, and the control lever can operate either a boom or a bucket after either the boom or the bucket is selected by pressing the control button. | 08-25-2011 |
| 20110197560 | Lawn Mower - A lawn mower is provided wherein mowed grass can be simply discharged from a mower device to the inside of a grass collector, turnover of a traveling body can be simply prevented, and the mowed grass in the grass collector can be simply discharged to a container etc. The lawn mower comprises a mower device mounted on a traveling body provided with right and left rear wheels, a grass collector for collecting the grass mowed by the mower device, a discharge duct for discharging the mowed grass from the mower device to an inside of the grass collector, and a lift mechanism having right and left fixed masts for supporting on the traveling body the grass collector to be lifted up and down. The grass collector is lifted by the lift mechanism to discharge the mowed grass in the grass collector. The lift mechanism is disposed within a width in the right and left directions of the grass collector, the discharge duct is disposed between the right and left fixed masts, and the discharge duct and the grass collector are connected through between the right and left fixed masts. | 08-18-2011 |
| 20110192671 | WORK VEHICLE-MOUNTED ENGINE DEVICE - A work vehicle limited in a mounting space is adapted to have an engine, which is provided with an exhaust gas cleaning device, easily arranged therein. An engine device, which is to be mounted on the work vehicle, is provided with the engine mounted on a machine body and covered with a hood, an air cleaner for cleaning air introduced into the engine, and an exhaust gas cleaning device for cleaning exhaust gas from the engine. The exhaust gas cleaning device is arranged on a flywheel housing fitted on one side portion of the engine. | 08-11-2011 |
| 20110192291 | Grain Huller - A supply plate, which guides a material grain to a contact point between first and second rolls supported by a position-fixed shaft and a position-movable shaft respectively, has a proximal end portion supported by a pivot shaft in a relatively non-rotatable manner, the pivot shaft being disposed parallel to the position-fixed shaft and the position-movable shaft. A position-movable shaft support member that supports the position-movable shaft in a rotatable manner around the axis line is pressed toward the position-fixed shaft by a pressing mechanism so that the first and second rolls are pressed at the contact point to each other under a predetermined pressure. A link arm, which has a proximal end portion supported in a relatively non-rotatable manner by a fulcrum shaft parallel to the pivot shaft, is pressed to a surface of the position-movable support member that faces the position-fixed shaft. The fulcrum shaft and the pivot shaft are operatively connected to each other through a link mechanism. The contact point is shifted as the position-movable shaft support member is moved toward the position-fixed shaft in accordance with the abrasion of the first and second rolls, and at the same time, the pivot shaft is rotated around the axis line by way of the link arm, the fulcrum shaft and the link mechanism in accordance with the movement of the position-movable shaft support member, whereby the slant angle of the supply plate is automatically changed so that the distal end portion of the support plate is directed to the contact point that has been shifted. | 08-11-2011 |
| 20110192161 | Engine - An engine ( | 08-11-2011 |
| 20110192160 | Engine - An engine provided with a variable parallel supercharging system ( | 08-11-2011 |
| 20110180344 | TRAVEL VEHICLE-MOUNTED ENGINE DEVICE - There is provided a travel vehicle-mounted engine device in which a particulate filter can be arranged in a highly rigid state in an engine as one of constituent parts of the engine to eliminate the need for taking countermeasures against exhaust gas for each unit of a vehicle or the like to thereby enhance the general purpose use of the engine. The travel vehicle mounted engine device mounted on a travel machine body and covered with a hood is provided with an air cleaner for supplying air to an engine and with a gas cleaning filter for cleaning exhaust gas from the engine. The air cleaner is arranged above an intake manifold on one side of an upper surface of the engine, and the gas cleaning filter is arranged above an exhaust manifold on the other side of the upper surface of the engine. | 07-28-2011 |
| 20110168283 | Hydraulic Circuit For Working Machine - A working vehicle, wherein flows of hydraulic oil delivered under pressure from two or more hydraulic pumps are joined together and the joined hydraulic oil can be taken out. A working vehicle is provided with two hydraulic pumps independent of each other and adapted to deliver hydraulic oil under pressure, a mode switching valve ( | 07-14-2011 |
| 20110155263 | ENGINE DEVICE - An engine device is disclosed in which a gas purifying filter can be disposed, with high rigidity, in an engine as one constituent part of the engine and the need of countermeasures against exhaust gas for each of the devices of a vehicle is eliminated, and general versatility of the engine can be enhanced. The engine device includes a diesel engine having an exhaust manifold, and an exhaust gas purifying device which purifies exhaust gas discharged from the diesel engine. A plurality of filter supporting bodies which support the exhaust gas purifying device are provided on an upper portion of a flywheel housing in the diesel engine. The exhaust gas purifying device is connected to the exhaust manifold and connected to the flywheel housing through the plurality of filter supporting bodies. | 06-30-2011 |
| 20110154818 | Cooling Structure Of Supercharger - In order to reduce radiation heat from the turbine housing of a supercharger, the turbine housing is conventionally water-cooled or covered with a heat shielding material, but it is required to control heat loss due to excessive water cooling or high temperature on the outer surface of the heat shielding material. On the contrary, a solution by a cooling structure consisting of an inner thermal insulation portion of an air layer and an outer low temperature portion covering the inner thermal insulation portion has an inevitable problem of increasing number of components and upsizing. In a cooling structure of a supercharger ( | 06-30-2011 |
| 20110154810 | ENGINE DEVICE - There is provided an engine device in which a gas purifying filter can be disposed, with high rigidity, in an engine as one of constituent parts of the engine, the need of countermeasures against exhaust gas for each of devices such as vehicles is eliminated, and general versatility of the engine can be enhanced. The engine device includes an engine having an exhaust manifold, and a gas purifying filter which purifies exhaust gas discharged from the engine, front and rear engine leg mounting portions provided on one side surface of the engine include front and rear filter supporting bodies which support the gas purifying filter, the gas purifying filter includes the front and rear filter supporting bodies, and the front and rear filter supporting bodies are connected to the front and rear engine leg mounting portions. | 06-30-2011 |
| 20110154809 | ENGINE DEVICE - Disclosed is an engine device in which a diesel particulate filter is disposed, with high rigidity, in an engine as one constituent part of the engine, the need for countermeasures against exhaust gas for each of the devices of a vehicle is eliminated, and general versatility of the engine can be enhanced. The engine device includes an engine having an exhaust manifold, and an exhaust gas purifying device which purifies exhaust gas discharged from the engine. A plurality of filter supporting bodies which support the exhaust gas purifying device | 06-30-2011 |
| 20110138788 | Exhaust Gas Purifier - It is intend to provide at low cost an exhaust gas purifier capable of in an internal combustion engine or other combustion instrument mainly driven under excess air conditions, efficiently removing nitrogen oxides from exhaust gas. A nitrogen oxide adsorbent ( | 06-16-2011 |
| 20110120072 | LAWN MOWER - In a lawn mower provided with a lawn mowing mechanism ( | 05-26-2011 |
| 20110064552 | Work Vehicle - A tractor includes a mounting plate, a protruding tube, a boom supporter, and a boom. The mounting plate is attachable to a frame on a side surface of a vehicle. The protruding tube is connected to the mounting plate, and shaped to protrude from a portion in which the protruding tube is connected to the mounting plate, toward the outside of the vehicle. The boom supporter is connected to a distal end portion of the protruding tube, and shaped to protrude upward from a portion in which the boom supporter is connected to the distal end portion of the protruding tube. The boom is coupled to the boom supporter via a boom coupler, and formed to extend from the boom coupler toward the front side of the vehicle. In a side view, an imaginary straight line extending vertically downward from the boom coupler is located rearward of the protruding tube. | 03-17-2011 |
| 20110061833 | STATIONARY ENGINE COOLANT CIRCUIT - The present invention has a waste heat recovery device ( | 03-17-2011 |
| 20110057454 | ARRANGEMENT STRUCTURE FOR CONTROL BOX AND ELECTRIC POWER CONVERTER IN FRAME-MOUNTED ENGINE GENERATOR - In the context of a frame-mounted engine generator in which mounted within a frame ( | 03-10-2011 |
| 20110056453 | ENGINE HOUSING ENCLOSURE - In the context of an enclosure-housed engine in which an engine | 03-10-2011 |
| 20110056191 | Exhaust Gas Purification Device - An exhaust gas purification device | 03-10-2011 |
| 20110056186 | Exhaust Gas Purification Device - A method for controlling an exhaust gas purification device | 03-10-2011 |
| 20110048829 | WORK VEHICLE - The purpose of the present invention is to provide a work vehicle that does not slip. The work vehicle has an engine ( | 03-03-2011 |
| 20110023828 | ENGINE - An engine in which a fluctuation in the amount of fuel injection is reduced in the entire operating tolerance of the engine. The engine ( | 02-03-2011 |
| 20110023824 | Engine - Provided is an engine capable of activating a catalyst in an exhaust purifying apparatus during low-temperature ignition. The engine ( | 02-03-2011 |
| 20110011604 | Earth Moving Device for Working Vehicle - An earth moving device for a working vehicle, in which earth and sand flowing rearward over an earth moving blade does not enter through a gap between a bush and a piston rod into an angle cylinder tube. An angle cylinder is formed by including an angle cylinder rod and an angle cylinder tube. The angle cylinder rod is pivotably supported on a vertically movable frame, and the angle cylinder tube is pivotably supported on the earth moving blade. | 01-20-2011 |
| 20110005223 | Engine - Provided is an engine capable of performing post-injection control with a proper fuel injection amount. The engine ( | 01-13-2011 |
| 20100326057 | Exhaust Gas Purification Device - An exhaust gas purification device ( | 12-30-2010 |
| 20100307545 | UNDERWATER CLEANING ROBOT AND AUXILIARY CLEANING WORK MACHINE - In a submersible cleaning robot comprising a robot body ( | 12-09-2010 |
| 20100275882 | Fuel Supply Device For Engine - To make it possible to pump a fuel from a supply pump into an accumulator, even when a pressure control means provided with a pressurized fuel pathway is out of action. In a fuel supply system of an engine, which is provided with pressure control means | 11-04-2010 |
| 20100275881 | Accumulator Fuel Injection Device - To provide an accumulator fuel injection device, so as to stabilize the operation of a pressure control valve for controlling a fuel pressure in an accumulator. The accumulator fuel injection device includes a pressure control valve | 11-04-2010 |
| 20100260539 | Fixing Structure of Work Machine - In the conventional connection and fixture part between a working vehicle and an excavator, a connection pin is made to contact a guide plate to be fixed in position, thereby requiring a high rigidity of the guide plate, accuracy of recreation of positioning of the connection pin, and high cost for manufacturing the guide plate. Thus, guide plate | 10-14-2010 |
| 20100250101 | Engine - It is an object to provide an engine that makes it possible to constantly detect the number of rotations of a supercharger with a calculation load of an ECU reduced. An engine | 09-30-2010 |
| 20100236531 | Engine With Supercharger - In an engine | 09-23-2010 |
| 20100230645 | Thermoelectric Material - A thermoelectric material, which has a superior thermoelectric characteristic and is environment-friendly and is suitable for mass productivity due to the lower cost, is provided. The thermoelectric material is an iron alloy that mainly contains Fe, V and Al and that carbides are dispersed into the matrix, wherein [V concentration−C concentration] is 20 or more at % to 32 or less at % and [Al concentration+Si concentration] is 20 or more at % to 30 or less at %. Especially in the thermoelectric material of the present invention, a high Seebeck coefficient can be kept and a lower electrical resistivity can be obtained, thereby improving an output factor and achieving a superior thermoelectric characteristic. | 09-16-2010 |
| 20100209309 | Black Smoke Purification Device - A black smoke purification device enabling engine performance to be retained by bringing PMs which have become giant into good contact with an oxidation catalyst. A black smoke purification device ( | 08-19-2010 |
| 20100205946 | ENGINE EXHAUST HEAT RECOVERY DEVICE, AND ENERGY SUPPLY APPARATUS USING THE SAME - [Problems] Provided is a configuration in which a member is not interposed between exhaust gas and a partition wall of an engine coolant passage, and the exhaust gas is caused to directly collide with the partition wall of the engine coolant passage, thus raising the gas flow velocity in a heat exchange part, which enables further improving the exhaust heat recovery rate. | 08-19-2010 |
| 20100200341 | Brake Operation Structure and Brake/Differential-Lock Operation Structure - The present invention provides a brake operation structure capable of realizing facilitation of adjustment work of a brake operation mechanism for operating a brake mechanism based on manual operation. The brake operation structure includes a brake operation mechanism that rotates a brake pressing member of the brake mechanism about a rotational axis line into a brake actuation direction in accordance with manual operation, and a brake adjustment mechanism that adjusts an initial position of the brake pressing member around the rotational axis line at a time when the brake operation mechanism is not in operation. The brake adjustment mechanism is inserted in the brake operation mechanism at a position allowing the brake adjustment mechanism to be accessed from above a fender trough an opening that is provided at the fender for allowing a driver's seat support frame to be mounted. | 08-12-2010 |
| 20100198484 | Engine - The purpose of the present invention is to provide an engine having a revision means which regulates rotation speed of each of cylinders while reflecting specific unevenness of rotation of each of the cylinders. With regard to an engine | 08-05-2010 |
| 20100198483 | Engine - In an engine which may show a behavior where an engine speed is not always minimized after compression top dead center of a cylinder in which poor fuel injection occurred, the cylinder in which poor fuel injection occurred is detected. A common rail diesel engine ( | 08-05-2010 |
| 20100108030 | Electronic Control Governor - In an electronic control governor ( | 05-06-2010 |
| 20100108025 | Diesel Engine - In a diesel engine | 05-06-2010 |
| 20100107613 | Black Exhaust Purification Apparatus For Diesel Engine - It's an object of the present invention to provide a black smoke exhaust purification apparatus capable of equalizing temperature of a particulate filter and facilitating maintenance thereof. The black smoke exhaust purification apparatus ( | 05-06-2010 |
| 20100100303 | Fuel Injection Control Device For Diesel Engine - A fuel injection control device for a diesel engine controls the first fuel injection timing so as to reduce the amount of white smokes generated in large amounts immediately after starting an engine. The fuel injection control device for the diesel engine comprised a high-pressure pump, a common rail for accumulating a highly-pressured fuel, injectors for injecting the fuel into a combustion chamber and a control means. Due to the fuel injection control device for the diesel engine, the fuel injection is performed after the cranking, without injecting the fuel for a certain period of time after an engine staring switch is turned on, in order that the pressure in the common rail becomes a setting value. | 04-22-2010 |
| 20100089674 | Tractor - The present invention is provided for sufficiently ensuring a heat balance in the inside of a bonnet. In a tractor in which a radiator including an outside-air suction fan is arranged frontward of an engine, the radiator and the outside-air suction fan are covered with a bonnet, and the outside air is sucked by the outside-air suction fan through a front grille portion formed in the bonnet thus cooling the radiator, a radiator cooling air discharge opening portion is formed in a side wall portion of the bonnet, and the radiator cooling air discharge opening portion opens in the rearward direction. | 04-15-2010 |
| 20100043419 | Working Vehicle with HST - A working vehicle with an HST in which over-rotation of a hydraulic pump in the HST or the pump input shaft thereof is prevented when a main clutch is disconnected during a run. When a main clutch connection/disconnection detection means ( | 02-25-2010 |
| 20100031937 | EGR Device For Engine - It is intended to provide an EGR device for an engine in which a cooling structure such as an EGR cooler is not required and which reduces Nox contained in the exhaust gas in the whole operation areas, so as to correspond to recent exhaust gas regulation. An EGR device | 02-11-2010 |
| 20100030453 | Cetane Number Detection Means and Engine Having the Cetane Number Detection Means - A cetane number detection means in which an angular velocity detection means ( | 02-04-2010 |
| 20100012079 | Homogeneous Charge Compressed Ignition Engine Operating Method - An aspect of the invention provides a method for operating a workable homogeneous charge compressed ignition engine in which a compression ignition operation is performed by spark ignition to shorten a load input time and a load cutoff time. In the homogeneous charge compressed ignition engine operating method, a mixture gas is burned by compression ignition in a combustion chamber, and fuel and air are previously mixed to produce the mixture gas. The homogeneous charge compressed ignition engine includes a spark ignition device | 01-21-2010 |
| 20090320788 | Homogeneous Charge Compressed Ignition Engine Operating Method - Compression ignition is induced by spark ignition to realize stable ignition, thereby expanding an operation range where the compression ignition is operable, even in an operating condition in which the compression ignition is hardly performed. Improvements of cycle efficiency and thermal efficiency and restraint of air-pollution substance emission can be realized by properly adjusting compression ignition timing in a cylinder. | 12-31-2009 |
| 20090320284 | Method of Forming Injection Hole for Injector - In a method for boring injection holes of an injector | 12-31-2009 |
| 20090314264 | Method of Controlling Valve Timing of Diesel Engine - In a diesel engine equipped with an injector | 12-24-2009 |
| 20090313861 | Working vehicle - In a working vehicle in which a backhoe support frame for reinforcing is provided in a rear end portion of a vehicle body frame, and a transmission case is mounted on a rear portion of the vehicle body frame so as to be close to the backhoe support frame, each of support brackets provided in an outer side surface of a rear portion of each of main frames constructing the vehicle body frame so as to protrude outward is connected to a protruding end portion protruding to rightwardly and leftwardly relative to each of lower brace members in a reinforcing plate supporting a lower surface of the transmission case in a state in which a rear axle case protruding outward from the right and left side surfaces of the transmission case is sandwiched from upper and lower sides, in order to dissolve a risk that a load generated at a time of traveling in a backhoe installed state or at a time of an excavating work by the backhoe is propagated to the transmission case. | 12-24-2009 |
| 20090301431 | Method of Controlling Common Rail Fuel Injection Device - A method for controlling a common-rail fuel injection system, which avoids the adverse effect of the pilot injection on the main injection while driving an engine and maximizes the cleaning up of the exhaust gas by the pilot injection or the like, is provided. In the common-rail fuel injection system performing a multistage injection, a pilot injection timing θp at a crankshaft angle and a main injection timing θm at the crankshaft angle base are controlled by a ECU. The ECU calculates a pilot injection interval Tpin at a time base and adjusts the main injection timing θm when the pilot injection interval Tpin is less than the predefined threshold (1 (ms) in the present embodiment). | 12-10-2009 |
| 20090301429 | Engine and Power Transmission Device - An engine according to an aspect of the present invention includes a crankshaft which is disposed in a substantially horizontal direction, first power transmission means, an input shaft, a first output shaft, second power transmission means, and a power transmission case. The input shaft is disposed below the crankshaft in parallel with the crankshaft, and the input shaft receives a power from the crankshaft through the first power transmission means. The first output shaft supplies the power from the input shaft, and the first output shaft is disposed perpendicular to the crankshaft. The second power transmission means transmits the power of the input shaft to the first output shaft. The power transmission case accommodates the input shaft, the first output shaft, and the second power transmission means therein. | 12-10-2009 |
| 20090277420 | Accumulator-type fuel injection apparatus and internal combustion engine provided with that accumulator-type fuel injection apparatus - In one embodiment, the high-pressure pump ( | 11-12-2009 |
| 20090273196 | Front Guard of Working Vehicle - A front guard ( | 11-05-2009 |
| 20090260909 | Assembling Method of Tractor and Tractor - The present invention aims at the shortening of a main line which constitutes an assembly line. To achieve such an object, in the present invention, an assembly line is constituted of a main line and sub lines, and a first unit which is constituted by connecting a clutch part and a transmission part, a second unit which constitutes a prime mover part, a third unit to which a support body and parts such as a handle, pedals, a dashboard, a fuel tank and the like which are supported on the support body are assembled, a fourth unit to which a front support body and parts such as a battery and a radiator which are supported on the front support body are assembled, a fifth unit to which steps, fenders and the like are assembled, and a sixth unit which is a hood are preliminarily assembled on sub lines and, thereafter, the above-mentioned first to sixth units are assembled together on the main line. | 10-22-2009 |
| 20090253316 | Multi-cylinder engine fuel control method, engine fuel injection amount control method and engine operation state discrimination method using the same, propulsion apparatus for multiple engines, and fuel injection control method during crash astern in marine engine with reduction and reversal device - Rotation recognition means for recognizing a revolution of a crankshaft based on the cylinders before the combustion cycle of a cylinder in question is provided. When the supply of fuel by injection from an injector to a certain cylinder of the six cylinders has become impossible, then control is performed to change the number of cylinders targeted by the rotation recognition means so as to recognize the revolution of the crankshaft for all six cylinders whose combustion cycles are consecutive prior to the combustion cycle of the cylinder in question, and to stop the supply of fuel from the injectors for supplying fuel to cylinders whose combustion cycles are equally spaced from the cylinder to which the supply of fuel is not possible, so that the spacing between the combustion cycles in the cylinders whose combustion cycles come before and after and sandwich the cylinder to which the supply of fuel is not possible becomes uniform. | 10-08-2009 |
| 20090248227 | Multi-cylinder engine fuel control method, engine fuel injection amount control method and engine operation state discrimination method using the same, propulsion apparatus for multiple engines, and fuel injection control method during crash astern in marine engine with reduction and reversal device - Rotation recognition means for recognizing a revolution of a crankshaft based on the cylinders before the combustion cycle of a cylinder in question is provided. When the supply of fuel by injection from an injector to a certain cylinder of the six cylinders has become impossible, then control is performed to change the number of cylinders targeted by the rotation recognition means so as to recognize the revolution of the crankshaft for all six cylinders whose combustion cycles are consecutive prior to the combustion cycle of the cylinder in question, and to stop the supply of fuel from the injectors for supplying fuel to cylinders whose combustion cycles are equally spaced from the cylinder to which the supply of fuel is not possible, so that the spacing between the combustion cycles in the cylinders whose combustion cycles come before and after and sandwich the cylinder to which the supply of fuel is not possible becomes uniform. | 10-01-2009 |
| 20090199792 | Construction Machine - An object is to provide a construction machine containing an engine ( | 08-13-2009 |
| 20090199554 | Hydraulic Stepless Transmission - [Problems] A hydraulic stepless transmission having increased layout freedom and a compact structure with the functions of conventional hydraulic stepless transmission retained and having increased easiness of production. | 08-13-2009 |
| 20090133670 | Cold Start Device for Fuel Injection Pump - A fuel injection pump | 05-28-2009 |
| 20090130521 | Plate Solid Oxide Fuel Cell - For a plate solid oxide fuel cell, costs thereof are made low and the thermal conductivity thereof is improved, and further only by effect of the shape thereof, a burning gas is sealed while a back diffusion phenomenon of air from the outside is restrained. Plate-shaped unit cells | 05-21-2009 |
| 20090129908 | Arm for Excavation Machine - An object of the present invention is to reduce manufacturing cost and manufacturing man-hour of an arm constituting a working machine in an excavation machine. In an arm | 05-21-2009 |
| 20090127815 | Tractor - The present invention ensures excellent assembly and maintenance of a machine body. A tractor of the present invention includes a prime mover part, a transmission portion interlockingly connected to a rear portion of the prime mover part, a driver portion arranged above the transmission portion, a lifting mechanism mounted on the transmission portion, wherein a working oil tank for storing a working oil for operating at least the lifting mechanism is arranged below a stepped portion formed on the driver portion in an extending manner. Due to such a constitution, a space which constitutes a dead space can be effectively utilized thus ensuring the excellent assembly and maintenance of the machine body. | 05-21-2009 |
| 20090121521 | Frame Structure for Working Vehicle - Rigidity of a frame of a working vehicle is improved by a simple structure and production costs are reduced by reducing the number of parts of a working vehicle. Pipes | 05-14-2009 |
| 20090104011 | Excavation Machine - An objective of the present invention is to provide a counterweight of a power shovel interchangeable with that of a superordinate model without affecting a rear end radius of the shovel at the time of rotation. In the power shovel | 04-23-2009 |
| 20090094765 | SUBMERSIBLE CLEANING ROBOT - A submersible cleaning robot ( | 04-16-2009 |
| 20090081087 | Exhaust gas purifier - It is intend to provide at low cost an exhaust gas purifier capable of in an internal combustion engine or other combustion instrument mainly driven under excess air conditions, efficiently removing nitrogen oxides from exhaust gas. A nitrogen oxide adsorbent ( | 03-26-2009 |
| 20090078667 | Boom for Excavation Machine | 03-26-2009 |
| 20090033125 | Front Guard of Working Vehicle - A front guard | 02-05-2009 |
| 20090029826 | Controller of work vehicle - Various works of a tractor or wheel loader that require frequent operations of start, stop, and switching between the forward drive and reverse drive that are repeated alternately can be performed very easily. The control apparatus comprises a speed change sensor that detects the step-on amount of a speed change pedal, an actuator that regulates the swash plate angle of a hydraulic pump based on the detection value of the speed change sensor, a transmission output unit rotation sensor that detects the revolution speed of an output shaft, and a control unit. The control unit performs control such that when the speed change pedal is not stepped on, a brake is applied to the travel wheels and both the forward drive clutch and the reverse drive clutch are disengaged, and also performs control such that when the transmission drive output detected with the transmission output unit rotation sensor is not more than that the forward-reverse drive switching speed, either the forward drive clutch or the reverse drive clutch is engaged as the speed change pedal is stepped on. When the engagement of the forward drive clutch or reverse drive clutch is confirmed, the brake of the travel wheels is released. | 01-29-2009 |
| 20090013674 | Exhaust Gas Purifier - The present invention provides an exhaust gas purifier capable of appropriately purifying harmful components discharged even from an internal combustion engine or a combustion instrument operated mainly in excess-air conditions. Particularly, the exhaust gas purifier is capable of appropriately removing nitrogen oxides, particulate matters including soot, etc. and in addition, capable of maintaining its purification capability without reduction. the exhaust gas purifier has, in the exhaust passage ( | 01-15-2009 |
| 20090012701 | Fuel Injection Device of Diesel Engine - A fuel injection device of a diesel engine capable of smoothly starting the diesel engine to match an environment around the engine by saving a fuel, reducing the exhaustion of carbon dioxide, and suppressing black smoke in starting the diesel engine. A rack ( | 01-08-2009 |
| 20090012696 | Fuel Injection Control Method - The purpose of the invention is to improve responsibility of an engine with common rail system at the time of starting and to reduce whole vibration of a plurality of engines. With regard to fuel injection control method controlling fuel injection to a plurality of cylinders of an engine | 01-08-2009 |
| 20080272610 | Tractor - An object is to provide an assist grip for an operator to easily ride on/off an operation section. An assist grip for supporting a weight of an operator riding on/off an operation section is disposed in front of a steering wheel so as to overlap steering wheel when viewed in front. | 11-06-2008 |
| 20080264381 | Fuel Injection System - There is well known that the much timing of fuel injection is advanced, the much start ability of an engine is improved. However, with regard to the conventional fuel injection system, when stopping process of the engine is performed, a timer piston determining timing of fuel injection remains at a position at which the piston exists at the time that the stopping process is performed. Then, at the time of next starting of the engine, the timer piston does not often exist in the advanced angle side and the start ability may be bad. | 10-30-2008 |
| 20080264045 | Exhaust Gas Purification Apparatus, Internal Combustion Engine Comprising the Same, and Particulate Filter Restoring Method - In an embodiment of an exhaust gas purification apparatus, when an accumulation amount of particulate matter in a DPF ( | 10-30-2008 |
| 20080250917 | Hydraulic Lift Structure - An object of the invention is to propose a hydraulic lift structure which prevents a malfunction of a hydraulic cylinder or the like and improves a supplying and discharging efficiency of a working fluid. In a hydraulic lift structure formed by arranging a hydraulic cylinder case internally provided with a hydraulic cylinder for moving up and down a working machine (a rotary power tiller) in an upper portion of a transmission case of a working vehicle, an oil reservoir of a working fluid for the hydraulic cylinder is provided in a boundary portion between the transmission case and the hydraulic cylinder case in such a manner as to be isolated from an inner portion of the transmission case. | 10-16-2008 |
