Abstract: Provided is a method of producing fine particulate barium calcium titanate in which calcium forms a homogeneous solid solution. The present invention relates to a method of producing a perovskite compound represented by the following formula (1): Ba(1-x)AxTiO3??(1) wherein A represents Ca or Sr, and x is a number satisfying 0.00<x?0.30, the method including: a first step of acid washing barium titanate to provide barium titanate having a ratio of barium element to titanium element of lower than 1.00; a second step of mixing the barium titanate obtained in the first step and a calcium salt or a strontium salt and drying the mixture to provide a dry mixture; and a third step of heating the dry mixture obtained in the second step.

Abstract: A manifold includes: a valve configured to control a flow of fluid; and a housing having, in an internal space, a plurality of flow path chambers which is partitioned by a partition wall and through which the fluid flows. The housing includes a joining portion where an upper housing having a first opening opened downward and a lower housing having a second opening opened upward are joined by thermally welding the first opening and the second opening, and the joining portion is disposed above or below a center of the housing in an upper-lower direction.

Abstract: A cooling module includes a manifold to which a valve configured to control flow of a fluid is attached and in which a fluid flow path configured to allow the fluid to flow therethrough is formed. The manifold includes a foreign matter reservoir having a flow path cross-sectional area larger than a flow path cross-sectional area of the fluid flow path and storing a foreign matter flowing through the fluid flow path. The foreign matter reservoir is connected to at least one of an inflow port configured to allow the fluid to flow therethrough into the valve and an outflow port configured to allow the fluid to flow therethrough out of the valve.

Abstract: There is provided a rotary valve that suppresses deformation of a sealing member and prevents leakage of a fluid while reducing a size of the rotary valve. The rotary valve includes: a rotor that controls circulation of the fluid by rotating about an axis; a sealing member having an opening through which the fluid flows, the sealing member being disposed on a radially outer side of the rotor; a housing that accommodates the rotor and the sealing member; and a cover placed on the housing in such a way as to face against the rotor and the sealing member in an axial direction along the axis, and the cover includes a pressing portion that presses the sealing member when the cover is placed on the housing.

Abstract: A cooling module includes: a manifold including therein a first flow path configured to allow a first fluid to flow therethrough and a second flow path configured to allow a second fluid to flow therethrough; and a valve attached to the manifold and configured to control the flow of the first fluid and the second fluid. The manifold includes a pressure adjusting flow path configured to adjust a pressure between the first flow path and the second flow path.

Abstract: A cooling module includes: a pump configured to pressure-food a fluid; and a manifold having an outer wall on which an attachment surface for the pump is provided and including a fluid flow path therein through which the fluid pressure-fed by the pump flows. A discharge port of the pump is provided inside the manifold.

Abstract: A fuel heater including an engine that is driven by combustion of air-fuel mixture including air and fuel supplied to a combustion chamber within a cylinder, a battery that stores electricity, and a motor that drives the engine by the electricity supplied from the battery, the fuel heater includes a fuel heating portion heating the fuel with the electricity supplied from the battery, and a controller performing one of a first control by increasing the amount of electricity supplied from the battery to the fuel heating portion and a second control by increasing heating time of the fuel by the fuel heating portion for a time period until the engine starts in a case where a battery charge remaining of the battery is equal to or smaller than a remaining threshold value at a start of the engine.

Abstract: An air intake apparatus of an internal combustion engine includes a port portion into which fuel injected form an injection opening of an injector is introduced, an intake passage provided at an inner side of the port portion to flow an air-fuel mixture including the fuel and air, the air-fuel mixture being supplied to a cylinder provided at the internal combustion engine, and a port heater provided along an inner surface of the port portion to vaporize the fuel introduced into the intake passage. The port heater includes regions with different heat generation amounts from each other in accordance with a distribution of an adhesion amount of the fuel injected from the injection opening of the injector to the inner surface of the port portion.

Abstract: An air intake apparatus for an internal combustion engine includes an outer port member facing an inner surface of a suction port, an inner port member arranged inside the outer port member, and a heater arranged inside the inner port member. The inner port member is stacked on an outside of the heater in a direction orthogonal to an intake flow direction of the suction port, and is configured to insulate heat from the heater.

Abstract: An air intake apparatus for an internal combustion engine, the air intake apparatus includes: an air intake apparatus main body portion introducing air into a cylinder; a port portion provided integrally with a downstream side end portion of the air intake apparatus main body portion and inserted into an air intake port in a cylinder head; an air intake passage formed inside the air intake apparatus main body portion and the port portion, and through which an air-fuel mixture containing air and fuel flows; an injector provided in the air intake apparatus main body portion and introducing the fuel into the air intake passage; and a heater heating the fuel introduced by the injector. The injector is disposed at a position where the fuel is capable of being injected into the heater.

Abstract: An air intake apparatus for an internal combustion engine, the air intake apparatus includes: an air intake apparatus main body portion introducing air into a cylinder; a port portion provided integrally with a downstream side end portion of the air intake apparatus main body portion and inserted into an air intake port in a cylinder head; an air intake passage formed inside the air intake apparatus main body portion and the port portion, and through which an air-fuel mixture containing air and fuel flows; an injector provided in the air intake apparatus main body portion and introducing the fuel into the air intake passage; and a heater heating the fuel introduced by the injector. The injector is disposed at a position where the fuel is capable of being injected into the heater.

Abstract: A blowby gas treatment device is configured to discharge blowby gas inside an internal combustion engine to an intake passage inside an intake manifold. The blowby gas treatment device includes a blowby gas passage, a flow control valve, a communication hole, and a lid. The blowby gas passage includes an engine gas passage and an intake manifold gas passage. The communication hole is provided in the intake manifold. The communication hole is configured to connect outside of the intake manifold and a part of the intake manifold gas passage on a downstream side of the flow control valve in a gas flow direction. The communication hole opens the intake manifold gas passage to the atmosphere. A lid is configured to open and close the communication hole.

Abstract: A blowby gas treatment device is configured to discharge blowby gas inside an internal combustion engine to an intake passage inside an intake manifold. The blowby gas treatment device includes a blowby gas passage, a flow control valve, a communication hole, and a lid. The blowby gas passage includes an engine gas passage and an intake manifold gas passage. The communication hole is provided in the intake manifold. The communication hole is configured to connect outside of the intake manifold and a part of the intake manifold gas passage on a downstream side of the flow control valve in a gas flow direction. The communication hole opens the intake manifold gas passage to the atmosphere. A lid is configured to open and close the communication hole.

Abstract: An intake system for an internal combustion engine includes plural intake pipes being configured to be connected to cylinders of a main body of the internal combustion engine, respectively, an external gas distribution portion distributing a single type of an external gas to each of the plural intake pipes, a main body of the intake system including the plural intake pipes and the external gas distribution portion, and an external gas introduction passage being integrally formed with the main body of the intake system, the external gas introduction passage being configured to connect the main body of the internal combustion engine to the external gas distribution portion of the main body of the intake system, the external gas introduction passage serving as a single passage being configured to introduce the external gas from the main body of the internal combustion engine to the external gas distribution portion.

Abstract: An intake manifold capable of discharging oil or water in a liquid reservoir in a stable manner includes an introduction section for introducing air to a combustion chamber of an engine, a liquid reservoir provided under the introduction section for retaining a liquid medium, a differential pressure tank including a first chamber, a second chamber, and a differential pressure valve for regulating flow from the second chamber to the first chamber, a return passage for allowing the liquid medium accumulated in the liquid reservoir to return to the first chamber from the liquid reservoir when the pressure in the second chamber is higher than the pressure in the first chamber, and an exhaust passage for discharging the liquid medium having flown into the second chamber from the first chamber to the instruction section when the pressure in the second chamber is lower than the pressure in the first chamber.

Abstract: An intake manifold capable of discharging oil or water in a liquid reservoir in a stable manner includes an introduction section for introducing air to a combustion chamber of an engine, a liquid reservoir provided under the introduction section for retaining a liquid medium, a differential pressure tank including a first chamber, a second chamber, and a differential pressure valve for regulating flow from the second chamber to the first chamber, a return passage for allowing the liquid medium accumulated in the liquid reservoir to return to the first chamber from the liquid reservoir when the pressure in the second chamber is higher than the pressure in the first chamber, and an exhaust passage for discharging the liquid medium having flown into the second chamber from the first chamber to the instruction section when the pressure in the second chamber is lower than the pressure in the first chamber.