Patent application number | Description | Published |
20120109481 | BRAKING/DRIVING FORCE CONTROL DEVICE - A braking/driving force control device includes an operating unit that executes an acceleration operation and a deceleration operation by an integral pedal, a stroke sensor that detects a stroke amount due to an operation of the operating unit, a load sensor that detects a load due to an operation of the operating unit, and a control unit that controls acceleration of a vehicle based on a stroke amount detected by the stroke sensor and further controls deceleration of a vehicle based on a load detected by the load sensor. | 05-03-2012 |
20130131931 | VEHICLE CONTROL SYSTEM AND VEHICLE CONTROL DEVICE - A vehicle control system includes a deceleration adjusting unit capable of adjusting deceleration of a vehicle with opening adjustment of an intake passage to an internal combustion engine which is a driving power source to drive the vehicle, power generation load adjustment of a power generation device to generate electric power using power of the internal combustion engine, and transmission ratio adjustment of a transmission to shift gears of power from the internal combustion engine; and a vehicle control device configured to adjust the deceleration by prioritizing the opening adjustment or the power generation load adjustment over the transmission ratio adjustment, when adjusting the deceleration by controlling the deceleration adjusting unit in accordance with an operation amount of braking/driving request operation during fuel-cut toward the internal combustion engine. | 05-23-2013 |
20130253805 | VEHICLE CONTROL DEVICE - When a state in which fuel supply to a combustion chamber of an internal combustion engine is cut is recovered, since a vehicle control device starts the fuel supply by controlling the internal combustion engine at the time that a requested driving force that is being requested becomes the same as an actual driving force that is being actually generated, the vehicle control device can appropriately start the fuel supply when the fuel cut state is recovered. When, for example, the deviation between the requested driving force and the actual driving force becomes within a preset and predetermined range, as the time at which the requested driving force that is being requested becomes the same as the actual driving force that is being actually generated, the vehicle control device starts the fuel supply. | 09-26-2013 |
20140277976 | VEHICLE CONTROLLER - A vehicle controller includes a lock-up clutch disposed to a power transmission path between an engine and a driving wheel, and a clutch configured to connect and disconnect the power transmission path, wherein at the time of switching driven traveling for causing a vehicle to travel by connecting the power transmission path and inertia traveling for causing the vehicle to travel by disconnecting the power transmission path, the lock-up clutch and the clutch are switched at switching start timings different from each other. | 09-18-2014 |
20150151761 | DRIVE CONTROL DEVICE FOR VEHICLE - A drive control device for a vehicle including an engine and a clutch device provided in a power transmission path between the engine and a drive wheel includes: a normal traveling unit causing the vehicle to travel while the engine is connected to the drive wheel; a free-run coasting unit disconnecting the engine from the drive wheel during traveling and causing the vehicle to coast while the engine is stopped; a neutral coasting unit disconnecting the engine from the drive wheel during traveling and causing the vehicle to coast while the engine is autonomously operated; and a coasting switching control unit setting an upper limit value of an upward gradient of a road surface, at which the neutral coasting is stopped, such that the upper limit value is larger than an upper limit value of the upward gradient of the road surface, at which the free-run coasting is stopped. | 06-04-2015 |
20150158491 | DRIVE CONTROL DEVICE FOR VEHICLE - An upper limit value of an upward gradient of a road surface for starting neutral coasting is set to be larger than an upper limit of the upward gradient of the road surface for starting free-run coasting, so, when the upward gradient is relatively large and a coasting distance is short, the vehicle is caused to travel in the neutral coasting, and stop and restart of the engine are not carried out. Therefore, a decrease in drivability of the vehicle is suppressed. When the upward gradient is relatively small and the coasting distance is long, the vehicle is caused to travel in the free-run coasting, and supply of fuel to the engine is stopped, so fuel economy of the vehicle is obtained. Thus, it is possible to achieve both fuel economy and drivability of the vehicle during coasting on an upward gradient. | 06-11-2015 |
20150191168 | VEHICLE CONTROL SYSTEM - A vehicle control system is provided. The vehicle control system is applied to a vehicle comprising an engine having a plurality of cylinders, a power transmission route between the engine and drive wheels and a clutch device adapted to selectively connect and disconnect the power transmission route, and that is configured to disconnect the power transmission route during running to allow the vehicle to coast. The vehicle control system is comprised of: a means that detects a vehicle speed; a means detecting an operation of an accelerator by a driver; a means detecting a speed of the engine; an execution means executing a coasting control when an operating amount of an accelerator is reduced to be smaller than a predetermined value during running, by bringing the clutch device into disengagement to disconnect the power transmission route while controlling the engine in a manner such that the engine speed is reduced to be lower than an idling speed that is lower than the engine speed of a case in which the coasting control is not carried out; and a deactivation means connecting the power transmission route by bringing the clutch device into engagement while stopping fuel supply to the engine and deactivating intake valves and exhaust valves of the cylinders, when the vehicle speed exceeds a reference speed or an increasing amount of the vehicle speed exceeds a reference value. | 07-09-2015 |
20150203118 | VEHICLE CONTROL SYSTEM - A vehicle control system is provided. The vehicle control system is applied to a vehicle comprising an engine having cylinders, a power transmission route between the engine and drive wheels, and a clutch selectively connecting and disconnecting the power transmission route. The vehicle control system disconnects the power transmission route during running to allow the vehicle to coast. The vehicle control system is comprised of: a means that detects a vehicle speed; a means that detects an operation of an accelerator by a driver; a means that detects a speed of the engine; an execution means that executes a coasting control when an operating amount of an accelerator is reduced to be smaller than a predetermined value during running, by bringing the clutch device into disengagement to disconnect the power transmission route; and an engine control means that reduces number of combusting cylinders during the coasting control while reducing the engine speed to an idling speed that is lower than that of a case in which the coasting control is not carried out. | 07-23-2015 |
20150210261 | RUNNING CONTROL SYSTEM FOR VEHICLE - A running control system for vehicles is provided to reduce engagement shocks of a clutch and to raise the torque of drive wheels quickly upon satisfaction of a condition of engagement of the clutch. In a vehicle to which the running control system is applied, power transmission between an engine and the drive wheels is selectively enabled by the clutch. The running control system is configured to raise a speed of the engine from an idling speed if the clutch is expected to be engaged during coasting where the clutch is in disengagement to interrupt a torque transmission between the engine and the drive wheels. | 07-30-2015 |
20150266480 | VEHICLE DRIVE CONTROLLER - A running control device is configured to execute an engine coupling running mode performed with an engine and wheels connected by a connecting/disconnecting device, a neutral inertia running mode performed with the engine separated from the wheels by the connecting/disconnecting device while the engine is supplied with fuel and allowed to perform self-sustaining rotation, and a free-run inertia running mode performed with the engine separated from the wheels by the connecting/disconnecting device while fuel supply to the engine is stopped to stop rotation. The neutral inertia running mode is terminated when an operation amount of the accelerator pedal becomes equal to or greater than a predefined first determination value. The free-run inertia running mode is terminated when an operation amount of the accelerator pedal becomes equal to or greater than a predefined second determination value larger than the first determination value. | 09-24-2015 |
20150274166 | TRAVEL CONTROLLER FOR VEHICLES - A running control device of a vehicle includes an engine with a plurality of cylinders, and a clutch connecting/disconnecting a power transmission path between the engine and wheels, the running control device of a vehicle performing during an inertia running mode a neutral inertia running mode performed with the power transmission path between the engine and the wheels disconnected while the engine is kept operated, and a cylinder resting inertia running mode performed by resting at least a part of the cylinders of the engine while the power transmission path between the engine and the wheels is connected, the running control device of a vehicle increasing an operation region of performing the neutral inertia running mode in an operation region of performing the inertia running mode when idle learning performed in an idle operation state of the engine is incomplete, as compared to after completion of the idle learning. | 10-01-2015 |
20150274168 | VEHICLE TRAVEL CONTROLLER - A running control device of a vehicle including an engine, a brake operation member, and a brake booster, is configured to execute an engine brake running mode performed with the engine coupled to wheels and an inertia running mode performed with an engine brake force made lower than that in the engine brake running mode. The running control device executes first and second inertia running modes. The first inertia running mode is terminated when a brake request amount becomes equal to or greater than a predefined first determination value while the first inertia running mode is performed. The second inertia running mode is terminated and a return to the engine brake running mode is made when the brake request amount becomes equal to or greater than a predefined second determination value larger than the first determination value while the second inertia running mode is performed. | 10-01-2015 |
20150284004 | VEHICLE TRAVEL CONTROL DEVICE - A running control device of a vehicle includes an engine, a clutch separating the engine and wheels, and a torque converter with a lockup clutch transmitting power of the engine toward the wheels, the running control device of a vehicle is configured to execute a neutral inertia running mode that is an inertia running mode performed while the engine and the wheels are separated and a cylinder resting inertia running mode performed by stopping operation in at least some of cylinders of the engine while the engine and the wheels are coupled, the lockup clutch has a weak engagement force while the neutral inertia running mode is performed as compared to while the cylinder resting inertia running mode is performed. | 10-08-2015 |
20150291165 | VEHICLE TRAVEL CONTROL DEVICE - A running control device of a vehicle including an engine, a connecting/disconnecting device separating the engine and wheels, and a transmission transmitting power of the engine toward the wheels, the running control device of a vehicle being configured to execute a normal running mode performed by using the power of the engine with the engine and the wheels coupled, a free-run inertia running mode that is an inertia running mode performed by separating the engine and the wheels and stopping the engine during running, and a neutral inertia running mode that is an inertia running mode performed by separating the engine and the wheels and operating the engine in a self-sustaining manner during running, the running control device of a vehicle setting a gear ratio of the transmission on a high vehicle speed side in the case of return from the free-run inertia running mode to the normal running mode. | 10-15-2015 |
20150291171 | VEHICLE TRAVEL CONTROLLER - A running control device of a vehicle executes a normal running mode with an engine coupled to drive wheels, a first inertia running mode with the engine stopped during running and an engine brake force reduced as compared to the normal running mode, and a second inertia running mode with the engine rotating during running and the engine brake force reduced as compared to the normal running mode. A determining portion determines a necessity of a brake negative pressure during the first or second inertia running mode. The necessity of the brake negative pressure is a condition for returning from the first inertia running mode and the second inertia running mode to the normal running mode. An upper limit value of the necessity of the brake negative pressure for returning from the first inertia running mode is smaller than that for returning from the second inertia running mode. | 10-15-2015 |
20150298698 | VEHICLE TRAVEL CONTROL DEVICE - A running control device of a vehicle includes an engine with a plurality of cylinders and a clutch separating the engine and wheels, the running control device of a vehicle controls and supplies the clutch a line pressure acquired by adjusting an output oil pressure of an oil pump, the running control device of a vehicle is configured to execute a neutral inertia running mode that is an inertia running mode performed while the engine and the wheels are separated and a cylinder resting inertia running mode performed by stopping operation in at least a part of the cylinders of the engine while the engine and the wheels are coupled, the line pressure is low while the neutral inertia running mode is performed as compared to while the cylinder resting inertia running mode is performed. | 10-22-2015 |
20150298700 | VEHICLE DRIVE CONTROLLER - A running control device of a vehicle includes an engine with cylinders, a clutch connecting/disconnecting a power transmission path between the engine and wheels, and a variable mechanism to vary an intake air amount sucked into the cylinders. The running control device performs a normal running mode by transmitting engine drive force to the wheels, a neutral inertia running mode by disconnecting the power transmission path between the engine and the wheels, and a cylinder resting inertia running mode by resting at least a part of the cylinders while the power transmission path between the engine and the wheels is connected. The running control device makes the intake air amount sucked into the cylinders larger at the time of return from the neutral inertia running mode to the normal running mode as compared to the case of return from the cylinder resting inertia running mode to the normal running mode. | 10-22-2015 |
20150298701 | VEHICLE TRAVEL CONTROL DEVICE - A running control device has an engine coupling running mode enabling an engine brake running mode performed by coupling an engine and wheels with an engine brake applied by driven rotation of the engine, and an inertia running mode performed with an engine brake force lower than that of the engine brake running mode. The running control device includes a steering wheel steering angle as a condition of terminating the inertia running mode. The running control device performs a first inertia running mode with the rotation of the engine stopped and a second inertia running mode with the engine rotating. The first inertia running mode is terminated when the steering angle becomes equal to or greater than a predefined first determination value. The second inertia running mode is terminated when the steering angle becomes equal to or greater than a predefined second determination value larger than the first determination value. | 10-22-2015 |
20150300274 | VEHICLE TRAVEL CONTROL DEVICE - A running control device of a vehicle includes an engine with a plurality of cylinders, a clutch connecting/disconnecting a power transmission path between the engine and wheels, a fuel pump transferring fuel toward an injector, and a fuel pressure control device controlling a fuel pressure in a transfer path of the fuel. The running control device of a vehicle performs a neutral inertia running mode performed with the power transmission path between the engine and the wheels disconnected, and a cylinder resting inertia running mode performed by resting at least a part of the cylinders of the engine with the power transmission path between the engine and the wheels connected, the fuel pressure during the neutral inertia running mode being made higher than the fuel pressure during the cylinder resting inertia running mode. | 10-22-2015 |
20150307102 | VEHICLE TRAVEL CONTROL DEVICE - A running control device of a vehicle includes an engine, a connecting/disconnecting device separating the engine and wheels, and a transmission transmitting power of the engine toward the wheels, the running control device being configured to execute a normal running-mode performed by using the power of the engine with the engine and the wheels coupled, a free-run inertia running-mode that is performed by separating the engine and the wheels and stopping the engine during running, and a neutral inertia running-mode that is a performed by separating the engine and the wheels and operating the engine in a self-sustaining manner during running, the running control device setting a gear ratio of the transmission on a low vehicle speed side in the case of return from the free-run inertia running-mode to the normal running-mode as compared to the case of return from the neutral inertia running-mode to the normal running-mode. | 10-29-2015 |
20150307103 | VEHICLE TRAVEL CONTROL DEVICE - A running control device of a vehicle includes an engine and a brake booster amplifying a brake force by forming a negative pressure in a negative pressure tank by rotation of the engine. The running control device is configured to execute an engine brake running mode performed with the engine coupled to wheels such that an engine brake is applied by driven rotation of the engine and an inertia running mode performed with an engine brake force made lower than that of the engine brake running mode. The running control device executes a first inertia running mode performed with the rotation of the engine stopped and a second inertia running mode performed with the engine kept rotating as the inertia running mode in accordance with predefined respective execution conditions. The running control device comprises a prediction portion configured to predict a necessity of the negative pressure. | 10-29-2015 |
Patent application number | Description | Published |
20090041174 | Reactor Core - A reactor core, comprising: | 02-12-2009 |
20090141847 | METHOD FOR OPERATING NUCLEAR POWER GENERATION PLANT AND NUCLEAR POWER GENERATION PLANT - An method for operating a nuclear power generation plant, comprising the steps of:
| 06-04-2009 |
20090196391 | Core of a Boiling Water Reactor - A core of a boiling water reactor as a burner type core of the boiling water reactor having a ratio of 3 or more of number of fuel assemblies loaded in the core to number of control rods installed in the nuclear reactor and using an oxide of low enriched uranium having a mean enrichment of the fuel assemblies of 3 wt % to 8 wt % or a mixed oxide having a mean fissile plutonium enrichment of the fuel assemblies of 2 wt % to less than 7 wt %, | 08-06-2009 |
20090196392 | Core Of A Boiling Water Reactor - A core of a boiling water reactor as a burner type core of the boiling water reactor having a ratio of 3 or more of number of fuel assemblies loaded in the core to number of control rods installed in the nuclear reactor and using an oxide of low enriched uranium having a mean enrichment of the fuel assemblies of 3 wt % to 8 wt % or a mixed oxide having a mean fissile plutonium enrichment of the fuel assemblies of 2 wt % to less than 7 wt %, wherein a ratio of an inner width of a channel box of the fuel assemblies to a width of 0.79 to 0.865, and a mean thickness of the channel box of the fuel assemblies is 2.10 to 3.55 mm. | 08-06-2009 |
20090252282 | Fuel Assembly - A fuel assembly, comprising:
| 10-08-2009 |
20100128833 | Reactor Core - A reactor core, comprising:
| 05-27-2010 |
20120063561 | FUEL ASSEMBLY - A fuel assembly has a constitution in which plural fuel rods are arranged in 10 rows by 10 columns in a channel box, and includes plural fuel rods G containing gadolinium and plural partial length fuel rods P. In the fuel assembly, average enrichment of lower portion cross section is approximately 4.6 wt %, and average enrichment of upper portion cross section is approximately 4.7 wt %. The average enrichments at the outermost layer are approximately 5.6 wt % both in the upper portion and the lower portion. Ratios e/x of the average enrichment of the outermost layer e (wt %) to the average enrichment of the fuel assembly cross section x (wt %) are 1.19 in the upper portion and 1.22 in the lower portion, and the ratios satisfy equation (1). | 03-15-2012 |
20130051509 | Initial Core of Nuclear Reactor and Method of Loading Fuel Assemblies of Nuclear Reactor - In an initial core of a nuclear reactor, a plurality of water regions having a square cross section for occupying a cross sectional area capable of disposing four fuel assemblies are formed. No fuel assemblies are loaded in these water regions. In the initial core, each fuel assembly is supported by fuel supports. A pressure loss of a first orifice installed in a cooling water supply passage formed in first fuel supports disposed in a central portion of the initial core is larger than that of a second orifice installed in a cooling water supply passage formed in second fuel supports disposed in a peripheral portion surrounding the central portion. Each water region is formed right above a part of the first fuel supports disposed in the central portion. The control rod operation in the nuclear reactor can be simplified by action of cooling water in the water regions. | 02-28-2013 |