Toyota Patent Grants

Sliding system

Granted: October 17, 2017
Patent Number: 9790447
[Technical Problem] An object is to provide a sliding system which can drastically reduce the friction coefficient on a sliding portion by means of a novel combination of a chromium nitride film and a lubricant oil. [Solution to Problem] The sliding system according to the present invention includes: a pair of sliding members having sliding surfaces that can relatively move while facing each other; and a lubricant oil that can be interposed between the sliding surfaces facing each other.…

Vehicle opening/closing body control device and opening/closing system for vehicle

Granted: October 17, 2017
Patent Number: 9790727
A vehicle opening and closing body control device includes an opening and closing drive device and a controller. When the opening and closing body is being closed, in a case where the position of the opening and closing body when a trapping of a foreign object is detected is outside a specified range between a fully closed position and a specified position, the controller controls the operation of the opening and closing drive device to reverse the opening and closing body to perform the…

Exhaust purification system for internal combustion engine

Granted: October 17, 2017
Patent Number: 9790828
The risk of a particulate filter from being damaged is reduced while an increase in pressure loss of the particulate filter due to ash is suppressed. Micropore zones are defined at upstream sides of partition walls of a particulate filter and macropore zones are defined at downstream sides of partition walls. The pore size of the partition walls at the micropore zones is set so that the particulate matter and the ash can be trapped by the partition walls at the micropore zones, while the…

Internal combustion engine

Granted: October 17, 2017
Patent Number: 9790845
With regard to an internal combustion engine having a tumble flow formed in a cylinder, an object of the invention is to intensify the tumble flow. There is provided an internal combustion engine having a pent-roof type combustion chamber. In a predetermined area in the vicinity of an opening of an intake port to a combustion chamber, an upper wall surface of the intake port is extended approximately linearly while being inclined to an intake port-side ceiling surface more downward than…

Thermal rectification device

Granted: October 17, 2017
Patent Number: 9791183
The first and second media are coupled via evanescent waves generated by surface phonon polaritons thermally excited on surfaces of the first and second media. First and second media made of the same material are disposed with a gap formed between for cutting off thermal conduction and the heat transfer between them is performed via the thermally excited evanescent waves. A third medium is provided on a surface of the first medium on a side toward the second medium. Heat flux flows from…

Heat recovery-type heating device

Granted: October 17, 2017
Patent Number: 9791216
An object is to enable a compact and high output heat storage system to perform warm-up rapidly when a vehicle is started up, and after warm-up, to recover surplus heat that is present in a heat source in the vehicle to prepare for the next warm-up event. A heat recovery-type heating device includes: an ammonia buffer configured so as to be capable of fixing and desorbing ammonia that serves as a chemical reaction medium; and a chemical heat storage reactor provided with a chemical heat…

Inspection method of fuel battery

Granted: October 17, 2017
Patent Number: 9791516
An inspection method of a fuel battery by using an electrical charge existing in a fuel battery stack includes a supplying step in which the electrical charge is supplied from an external power supply to the fuel battery stack.

System and method for monitoring and alerting vehicle occupant to operating efficiencies of autonomous driving assistance systems

Granted: October 17, 2017
Patent Number: 9791857
A computing device for a vehicle is provided. The computing device includes one or more processors for controlling operation of the computing device, and a memory for storing data and program instructions usable by the one or more processors, wherein the one or more processors are configured to execute instructions stored in the memory to receive sensor data relating to operation of an autonomous driving assistance system, process the received sensor data to derive a value for an…

Data storage device, method of storing data, and on-vehicle control apparatus

Granted: October 17, 2017
Patent Number: 9792070
A memory having a plurality of storage blocks, and a memory control unit, are included, and each of the storage blocks is partitioned into a management data area and an actual data area. The management data area stores therein writing-in-progress management data indicating that writing of actual data has started, validity management data indicating that the writing of the actual data has been completed, and pre-erasure management data indicating that stored actual data have been brought…

Fuel cell system and control method of fuel cell system

Granted: October 17, 2017
Patent Number: 9793561
An object is to provide a technique that a current state of a fuel cell may be detected more accurately. A fuel cell system includes a controller, a fuel cell, and an impedance measurer that may measure an impedance of the fuel cell. The controller obtains a first impedance value that expresses the impedance of the fuel cell in a predetermined state, acquires a second impedance value that expresses the impedance of the fuel cell that is measured by the impedance measurer during operation…

Fuel cell system, fuel cell-mounted vehicle and method of controlling fuel system

Granted: October 17, 2017
Patent Number: 9793562
When a first timing at which a fuel gas is injected to a fuel gas supply flow path by an injector and a second timing at which water residing on a circulation flow path is discharged by controlling rotating speed of a circulation pump coincide with each other, a controller performs either: (i) a first process of operating the circulation pump at a preset RPM without injecting the fuel gas to the fuel gas supply flow path by the injector; or (ii) a second process of injecting the fuel gas…

Method of manufacturing reinforced electrolyte membrane, method of manufacturing membrane electrode assembly, and membrane electrode assembly

Granted: October 17, 2017
Patent Number: 9793565
An object is to provide a technique that improves the power generation performance, while enhancing the strength of a reinforced electrolyte membrane. There is provided a method of manufacturing a reinforced electrolyte membrane that comprises a first reinforcing film on one surface of an electrolyte membrane and a second reinforcing film on the other surface of the electrolyte membrane. The method of manufacturing the reinforced electrolyte membrane comprises (a) process of thermally…

Exterior member and wire harness

Granted: October 17, 2017
Patent Number: 9793695
An exterior member having a tubular form which accommodates and protects a conductive path, the exterior member includes at least one conductive path holding part which holds the conductive path. The at least one conductive path holding part is configured in a protruding part in an inner surface of the tube, and in a recessed part in an outer surface of the tube. In the recessed part, one or a plurality of protrusions are formed which protrude outward. The protrusions are configured in…

Induction machine

Granted: October 17, 2017
Patent Number: 9793780
An induction machine includes: a stator having a stator core and a coil; a rotor, which has a shaft, a rotor core secured to the shaft, and a secondary conductor; a bearing supporting the shaft; a cooling fan having a blade; and a cooling fan fixture. The secondary conductor includes a rotor bar and an end ring. The blade is located axially outward of the end ring, and the distal end of the blade in the axial direction extends axially outward of the coil end of the coil. The cooling fan…

Exhaust gas purification catalyst

Granted: October 17, 2017
Patent Number: 9789474
The problem to be solved by the present invention is to provide a good NOx selective reduction catalyst. To solve the problem is a NOx selective reduction catalyst containing a composite oxide of Ti, Ce, W, and P or S.

Sand for casting mold, manufacturing method for sand casting-mold, and core for metal casting

Granted: October 17, 2017
Patent Number: 9789533
Sand for a casting mold including sand, a binder, and an inorganic compound particle having poor water solubility and generating a gas, which is at least one of water vapor or carbon dioxide gas, by heat from a molten metal.

Rotor V-block fixture and method

Granted: October 17, 2017
Patent Number: 9789575
A mechanism retains an asymmetric work piece in a fixed orientation during a machining process on diversely positioned surfaces falling on multiple work piece axes. The mechanism includes a body having an upper surface forming an elongated V-shaped groove, a planar lower surface spaced from the upper surface, and a through passage extending between the upper and lower surfaces. A fastener includes an elongated shaft which extends within said passage, and has an upper end emerging within…

Inlet pipe and molding method of inlet pipe

Granted: October 17, 2017
Patent Number: 9789635
Provided are an inlet pipe including a curved portion having a curved shape, and a molding method thereof. In the molding method of the inlet pipe, that one part of the inlet pipe which includes a curved portion having a large curvature is molded by injection molding, and the other part of the inlet pipe except the one part molded by the injection molding is molded by blow molding.

System for joining resin and metal

Granted: October 17, 2017
Patent Number: 9789672
A joining method for joining a resin member and a metal member by heating is provided. Joining of the resin member and metal member is performed by heating a joining interface of the resin member and metal member to a temperature in a range of equal to or higher than a decomposition temperature of the resin member and lower than a temperature at which gas bubbles are generated in the resin member and by cooling a surface of the resin member on the opposite side from a joining surface…

Brake/drive force controlling apparatus for vehicle

Granted: October 17, 2017
Patent Number: 9789875
A brake/drive force controlling apparatus for a vehicle includes an engine for applying drive forces to driving wheels of the vehicles, a control diff for distributing the drive forces to the left and right driving wheels independently, and an electronic control system brake device for applying brake forces to the left and right driving wheels independently. An ECU is configured so as to be able to control the engine, the control diff, and the electronic control system brake device…