| UD TRUCKS CORPORATION Patent applications |
| Patent application number | Title | Published |
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| 20140333107 | SEAT CUSHION DEVICE - A seat cushion device capable of adjusting hardness of a seat cushion including a seating surface, on which a user is seated, includes a recessed part that is formed in a back surface of the seating surface in the seat cushion, a left plate that faces a back surface of a left thigh holding part of the seating surface, on which a left leg thigh of the user is located, and that is movable inside the recessed part vertically, a right plate that faces a back surface of a right thigh holding part of the seating surface, on which a right leg thigh of the user is located, and that is movable inside the recessed part vertically, and a gap adjustment mechanism that moves the left plate and the right plate vertically in an independent manner, and that can adjust a clearance from the back surface of the seating surface. | 11-13-2014 |
| 20140260204 | EXHAUST GAS PURIFICATION APPARATUS AND METHOD FOR INCREASING CORROSION RESISTANCE OF EXHAUST GAS PURIFICATION APPARATUS - An exhaust gas purification apparatus includes a SCR converter selectively reducing and purifying NOx in exhaust gas upon being supplied with ammonia generated from urea aqueous solution and an injection nozzle injection-supplying the urea aqueous solution on exhaust gas upstream side of the SCR converter. At least a part of an exhaust pipe located between the injection nozzle and the SCR converter has a double-pipe structure including inner and outer pipes, each having a welded portion, and the welded portion of the outer pipe was welded from an inside of the outer pipe. Thus, the outer pipe has fine welded portion on an inner peripheral surface where a welding temperature is high and the coarse welded portion on an outer peripheral surface where the welding temperature is low, resulting in an ordered atomic arrangement and thus improved corrosion resistance of the inner peripheral surface, which may be exposed to ammonia. | 09-18-2014 |
| 20140249726 | VEHICLE START-UP CONTROL MECHANISM - An object is to provide a vehicle start-up control, mechanism capable of preventing the occurrence of clutch judder with no need of paying excessive attention thereto for a driver. For this purpose, the present invention is provided with a clutch judder detection device ( | 09-04-2014 |
| 20130333781 | COMPRESSED AIR SUPPLY APPARATUS - A compressed air supply apparatus has: an air compressor that compresses an air; and a tank that stores a compressed air discharged from the air compressor and has a supply port to supply the compressed air. Furthermore, at least a part of a piping through which the air compressor communicates with the tank, is cooled by an evaporator of a heat pump of an air conditioner. A high temperature compressed air discharged from the air compressor is cooled by the evaporator to a temperature at which an oil content and a water content are condensed or a lower temperature, so that the oil content and the water content are condensed and adhere to an inner wall of the tank and are removed. | 12-19-2013 |
| 20130266246 | SLIDING MECHANISM AND FRICTION REDUCTION METHOD FOR THE SAME - The purpose of the present invention is to provide: a sliding member having a lubricating film formed on the sliding surface thereof, and capable of exhibiting friction-reducing performance; and a friction reduction method for the same. To that end, the present invention entails coating the sliding surface with a titanium nitride-based material (for example, titanium carbon nitride, titanium nitride, or titanium aluminum nitride), adding a molybdenum dithiocarbamate with molybdenum in the amount of 600-1000 ppm to diesel engine oil, setting the arithmetic mean roughness of the sliding member to 2-10 nm, and upon converting the Sommerfeld number viscosity to Pa·s, the speed to s | 10-10-2013 |
| 20130266245 | SLIDING MECHANISM AND FRICTION REDUCTION METHOD FOR THE SAME - The purpose of the present invention is to provide: a sliding mechanism having a lubricating film formed on the sliding surface thereof, and capable of exhibiting friction-reducing performance; and a friction reduction method for the same. To that end, the present invention entails coating the sliding surface with chromium nitride, adding a molybdenum dithiocarbamate with molybdenum in the amount of 600-1000 ppm to diesel engine oil, setting the arithmetic mean roughness of the sliding member to 2-60 nm, and upon converting the Sommerfeld number viscosity to Pa·s, the speed to s | 10-10-2013 |
| 20130263980 | METHOD FOR IMPROVING FATIGUE STRENGTH OF CAST IRON MATERIAL - The purpose of the present invention is to provide a method for improving fatigue strength that is capable of improving the fatigue strength of cast iron, specifically spherical graphite cast iron, to the same level as that of carbon steel subjected 10 carburizing and quenching. To this end, this method contains a step for performing first, second and third shot peenings using shot of a prescribed diameter for each on spherical graphite cast iron on which a quenching and tempering heat treatment or austempering heat treatment has been performed and tensile strength made to be 1200 MPa or more, the spherical graphite cast iron containing the following elements in the following mass percentages: C=2.0-4.0%, Si=1.5-4.5%, Mn=2.0% or less, P=O.08% or less, 8=0.03% or less, Mg=0.02-0.1%, and Cu=1.8-4.0%. | 10-10-2013 |
| 20130259719 | AIR COMPRESSION APPARATUS - An air compression apparatus includes an air tank, an air compressor, and a governor. The air compressor delivers compressed air to the air tank by using power of an engine at the time of load running and stops the delivery of the compressed air to the air tank at the time of no-load running. The governor switches between the load running and the no-load running of the air compressor. Furthermore, the governor changes, when an engine speed is equal to or more than a threshold value, switchover timing for switching the air compressor from the no-load running to the load running in comparison with a time when the engine speed is less than the threshold value. | 10-03-2013 |
| 20130257134 | CUSHION STRUCTURE FOR VEHICLE SEAT - The purpose of the present invention is to provide a cushion structure for a vehicle seat, the cushion structure allowing the hardness of the cushion to be adjusted according to an occupant's preference by simple operation. The present cushion structure for a vehicle seat has: a band ( | 10-03-2013 |
| 20130252776 | DIFFERENTIAL - A differential includes a ring gear which is engaged with a drive gear, a differential case which integrally rotates with the ring gear, axle shafts which are coaxially arranged on left and right sides, a side gear which integrally rotates with the left axle shaft and a side gear which integrally rotates with the right axle shaft, a pinion gear which is engaged with each side gear, a spider shaft which rotatably supports the pinion gear on the differential case, and a carrier case which rotatably supports the drive gear. The carrier case rotatably supports each side gear and the left axle shaft or the right axle shaft rotatably supports the spider shaft of the differential case. | 09-26-2013 |
| 20130252042 | ELECTRIC STORAGE CELL, ELECTRIC STORAGE APPARATUS, AND VEHICLE HAVING ELECTRIC STORAGE APPARATUS - An electric storage cell includes a hard casing configured to house an electric storage element and electrolyte, and an electrode terminal connected to a charge collector of the electric storage element and exposed to an outside of the hard casing, the electric storage cell being chargeable/dischargeable using the electrode terminal, wherein the electrode terminal has a charge collector connecting portion connected to the charge collector through an opening formed in the hard casing, and a main body bonded to an outer circumferential surface of the hard casing to make a surface contact. | 09-26-2013 |
| 20130247634 | METHOD FOR IMPROVING FATIGUE STRENGTH OF CAST IRON MATERIAL - The purpose of the present invention is to provide a method for improving fatigue strength that is capable of improving the fatigue strength of cast iron, specifically spherical graphite cast iron, to the same level as that of carbon steel subjected 10 carburizing and quenching. To this end, this method contains a step for performing first, second and third shot peenings using shot of a prescribed diameter for each on spherical graphite cast iron on which a tempering heat treatment has been performed at 150-300° C. and tensile strength made to be 800 MPa or more, the spherical graphite cast iron containing the following elements in the following mass percentages: C=2.0-4.0%, Si=1.5-4.5%, Mn=2.0% or less, P=0.08% or less, 8=0.03% or less, Mg=0.02-0.1%, and Cu=1.8-4.0%. | 09-26-2013 |
| 20130247633 | METHOD FOR IMPROVING FATIGUE STRENGTH OF CAST IRON MATERIAL - The purpose of the present invention is to provide a method for improving fatigue strength that is capable of improving the fatigue strength of cast iron, specifically spherical graphite cast iron, to the same level as that of carbon steel subjected 10 carburizing and quenching. To this end, this method contains a step for performing first, second and third shot peenings using shot of a prescribed diameter for each on spherical graphite cast iron on which a normalizing heat treatment has been performed at 800-950° C. and tensile strength made to be 850 MPa or more, the spherical graphite cast iron containing the following elements in the following mass percentages: C=2.0-4.0%, Si=1.5-4.5%, Mn=2.0% or less, P=0.08% or less, 8=0.03% or less, Mg=0.02-0.1%, and Cu=1.8-4.0%. | 09-26-2013 |
| 20130245906 | AUXILIARY BRAKING DEVICE OF VEHICLE - The purpose of the present invention is to provide an auxiliary braking device of a vehicle which obtains braking force corresponding to the amount of pressing of an accelerator pedal even during an operation of the auxiliary braking device and prevents frequent repetition of the acceleration and deceleration, to attain a fuel saving operation. Therefore, in the present invention, a vehicle electronic control unit ( | 09-19-2013 |
| 20130237373 | CLUTCH DISENGAGEMENT CONTROL MECHANISM FOR MECHANICAL AUTOMATIC TRANSMISSION - The objective of the present invention is to provide a clutch disengagement control mechanism that is for a mechanical automatic transmission and that can perform clutch disengagement control at an optimal timing during both ordinary driving and low-speed driving at the verge of stopping. To this end, the present invention is provided with a vehicle speed measurement device ( | 09-12-2013 |
| 20130165289 | CONTINUOUSLY VARIABLE TRANSMISSION - A continuously variable transmission includes a first gear shift mechanism for changing continuously a speed ratio of drive power input from a prime mover, a second gear shift mechanism for changing continuously a speed ratio of drive power input from the prime mover, and a planetary gear mechanism to which drive power output from the first gear shift mechanism and that output from the second gear shift mechanism are input and from which combined drive power is output to an output shaft. The planetary gear mechanism includes a sun gear, a planetary carrier and a ring gear. An output from the first gear shift mechanism and that from the second gear shift mechanism are respectively input to any two of the sun gear, the planetary carrier and the ring gear and the remaining one is coupled to the output shaft. | 06-27-2013 |
| 20130083453 | ENERGY STORAGE CELL AND ENERGY STORAGE MODULE - An energy storage cell includes an energy storage part for storing electric charges, a container for housing the energy storage part, and a pair of electrode terminals connected to the energy storage part and exposed to the outside of the container. The container is formed to have a thick polygonal outer shape and a groove part linearly extending in a direction perpendicular to a thickness direction is provided in each of a pair of mutually facing side surfaces of the polygonal shape. Each of the electrode terminals includes a base end part connected to a corresponding polarity of the energy storage part in the container and an exposed part exposed to the outside of the container, and the exposed part is formed along an inner side of the groove part. | 04-04-2013 |
| 20130064717 | ENGINE EXHAUST PURIFICATION DEVICE - An engine exhaust purification device comprises: a selective reduction type NOx catalyst; an oxidation catalyst disposed on an upstream side of the NOx catalyst; a reducing agent adding device which adds an NOx reducing agent to an exhaust gas of an engine; a control device which controls the reducing agent adding device; and an NO | 03-14-2013 |
| 20120276426 | STORAGE DEVICE AND MANUFACTURING METHOD FOR STORAGE DEVICE - A storage module is constituted by a plurality of storage cells housed respectively in resin cases. A storage device includes a flexible tube that is welded to the respective cases and connected to the respective storage cells in order to discharge a gas from the respective storage cells, and a valve that opens and shuts off discharge of the gas from the tube. As a result, a gas vent pipe structure exhibiting a superior sealing property is realized. | 11-01-2012 |
| 20120194127 | POWER STORAGE APPARATUS - A storage apparatus comprises a plurality of storage cells connected in series. Each storage cell comprises a storage element that stores a charge, a container that houses the storage element, a reception antenna capable of receiving power transmitted from a transmission antenna of a feeding facility provided in a wireless power transfer system, and a charging control circuit that charges the storage element using the power received by the reception antenna. The plurality of storage cells are charged concurrently and wirelessly, and therefore charging can be performed on all of the storage cells without overcharging or undercharging. | 08-02-2012 |
| 20120171551 | STORAGE MODULE - This invention provides a storage module formed using a plurality of storage cells. The each storage cell includes a storage unit that stores a charge, a polyhedral container that houses the storage unit and has two opposing surfaces, and a pair of electrode terminals that output and input the charge of the storage unit. The electrode terminals include a positive electrode terminal that projects externally from an end portion of the container and has a joint surface that is formed to be substantially coplanar with one of the two opposing surfaces of the container and joined to an electrode terminal of an adjacent storage cell, and a negative electrode terminal that projects externally from the end portion of the container and has a joint surface that is formed to be substantially coplanar with another of the two surfaces and joined to an electrode terminal of an adjacent storage cell. | 07-05-2012 |
| 20110238278 | FUEL-EFFICIENT DRIVING SYSTEM - The present invention has an object to provide a fuel-saving driving system which gradually decreases a target vehicle speed from start of control to passage of a descending-slope starting point in a linear form and can obtain fuel-saving and smooth driving feeling without repeating fuel-cut and injection. | 09-29-2011 |
| 20100269490 | APPARATUS FOR AND METHOD OF PURIFYING EXHAUST GAS - An exhaust gas pressure P, exhaust gas temperatures T | 10-28-2010 |
| 20100178216 | Exhaust Gas Purification Apparatus - An exhaust gas purification apparatus in which layout restriction is lessened to be able to further achieve space-saving is proposed. The exhaust gas purification apparatus includes a first cylindrical housing in which an oxidation catalytic converter and a PM collection filter are contained and a second cylindrical housing in which a reducing catalytic converter and an ammonia oxidation catalytic converter are contained. The exhaust gas purification apparatus further includes a communicating pipe that connects between far end portions of both the housings, and a nozzle that is disposed in the communicating pipe and injects liquid reducing agent in exhaust gas. The two housings are closely disposed such that axis lines thereof are arranged substantially parallel. The communicating pipe is disposed such that an axis line thereof is arranged substantially parallel with the axis lines of the housings. A flow passage of the exhaust gas from the first housing to the second housing is folded by the communicating pipe. | 07-15-2010 |
| 20100178215 | Exhaust Gas Purification Apparatus - An exhaust gas purification apparatus in which layout restriction is lessened to be able to further achieve space-saving is proposed. The exhaust gas purification apparatus includes a first cylindrical housing in which an oxidation catalytic converter and a PM collection filter are contained and a second cylindrical housing in which a reducing catalytic converter and an ammonia oxidation catalytic converter are contained. The exhaust gas purification apparatus further includes a communicating pipe that connects between far end portions of both the housings, and a nozzle that is disposed in the communicating pipe and injects liquid reducing agent in exhaust gas. The two housings are closely disposed such that axis lines thereof are arranged substantially parallel. The communicating pipe is disposed such that an axis line thereof is arranged substantially parallel with the axis lines of the housings. A flow passage of the exhaust gas from the first housing through the communicating pipe to the second housing is formed into a substantial N-shape. | 07-15-2010 |
