Abstract: A pipe structure includes a pipe disposed in a state of contact with the air, a fluid with a temperature of at least 100° C. flowing inside the pipe; and a coating material containing nickel oxide and coated onto an outer periphery portion of the pipe.

Abstract: A vehicular heat management device includes a first heat source, a second heat source, a heater core, a first heat medium pathway, a second heat medium pathway, a heater core pathway, a switching portion, and a control unit. The first heat source is provided in the first heat medium pathway, and the second heat source is provided in the second heat medium pathway. The heater core is provided in the heater core pathway. The switching portion switches between flowing connection and flowing disconnection. The control unit performs at least one of a switching control and a second heat source control when a temperature of the heat medium of the heater core pathway is at or above a predetermined temperature. In the switching control, the switching portion connects the second heat medium pathway to the heater core pathway. In the second heat source control, the second heat source generates heat.

Abstract: A pipe structure includes a pipe disposed in a state of contact with the air, a fluid with a temperature of at least 100° C.

Abstract: A vehicular heat management device includes a first heat source, a second heat source, a first heat generator, a second heat generator, a heat generator pathway, a first heat source pathway, a second heat source pathway, and a switching portion. The first heat source and the second heat source heat a heat medium. The first heat generator generates heat according to operation. The second heat generator generates heat according to operation. The first heat generator and the second heat generator are provided in the heat generator pathway. The first heat generator is provided in the first heat generator pathway. The second heat generator is provided in the second heat generator pathway. The switching portion switches between a condition where the heat generator pathway is in flowing communication with the first heat generator pathway and a condition where the heat generator pathway is in flowing communication with the second heat generator pathway.

Abstract: A vehicle heat management device includes a first circulator section, a second circulator section, and a flow rate change section. The first circulator section is provided at a first flow path of a first circulation path, and circulates a first heat exchange medium in the first circulation path, the first flow path passing a first heat exchanger, a second flow path passing a first expansion valve and a second heat exchanger, a third flow path passing a second expansion valve and a heat absorption section. The second circulator section circulates a second heat exchange medium in a second circulation path configured by a fourth flow path passing a heat generating body, a fifth flow path passing a radiator, and a sixth flow path passing a heat dissipating section and the first heat exchanger. The flow rate change section increases a flow rate of the second heat exchange medium.

Abstract: A vehicular heat management device includes a first heat source, a second heat source, a heater core, a first heat medium pathway, a second heat medium pathway, a heater core pathway, a switching portion, and a control unit. The first heat source is provided in the first heat medium pathway, and the second heat source is provided in the second heat medium pathway. The heater core is provided in the heater core pathway. The switching portion switches between flowing connection and flowing disconnection. The control unit performs at least one of a switching control and a second heat source control when a temperature of the heat medium of the heater core pathway is at or above a predetermined temperature. In the switching control, the switching portion connects the second heat medium pathway to the heater core pathway. In the second heat source control, the second heat source generates heat.

Abstract: A cooling apparatus for an engine includes an oil warmer, an engine internal passage, a warmer passage, a water pump, and a thermostat. The warmer passage connects an outlet of the internal passage to an inlet of the internal passage. The thermostat regulates an amount of coolant that flows into the oil warmer. The thermostat includes a valve member, a body, and a plurality of types of wax. The thermostat determines a degree of opening of the valve member in accordance with amounts of expansion of the respective types of wax caused by melting of the respective types of wax. The types of wax include a first wax, which melts at a first temperature, and a second wax, which melts at a second temperature which is higher than the first temperature.

Abstract: A vehicular heat management device includes a first heat source, a second heat source, a first heat generator, a second heat generator, a heat generator pathway, a first heat source pathway, a second heat source pathway, and a switching portion. The first heat source and the second heat source heat a heat medium. The first heat generator generates heat according to operation. The second heat generator generates heat according to operation. The first heat generator and the second heat generator are provided in the heat generator pathway. The first heat generator is provided in the first heat generator pathway. The second heat generator is provided in the second heat generator pathway. The switching portion switches between a condition where the heat generator pathway is in flowing communication with the first heat generator pathway and a condition where the heat generator pathway is in flowing communication with the second heat generator pathway.

Abstract: There provided a vehicle lower structure including: an exhaust pipe which is disposed below a floor panel of a vehicle and in which an exhaust gas from an engine flows; an undercover that covers the exhaust pipe from below; and an inflow port that allows running air to flow into between the exhaust pipe and the undercover.

Abstract: An exhaust heat recovery device of the present invention has: a first pipe through which exhaust from an engine flows; a second pipe that branches-off from the first pipe, and at which is disposed a heat recovery apparatus that carries out heat exchange with the exhaust and recovers exhaust heat; a valve member that adjusts an amount of flow of the exhaust that flows-in from the first pipe to the second pipe; and plural driving members that drive the valve member.

Abstract: A cooling apparatus for an engine includes an oil warmer, an engine internal passage, a warmer passage, a water pump, and a thermostat. The warmer passage connects an outlet of the internal passage to an inlet of the internal passage. The thermostat regulates an amount of coolant that flows into the oil warmer. The thermostat includes a valve member, a body, and a plurality of types of wax. The thermostat determines a degree of opening of the valve member in accordance with amounts of expansion of the respective types of wax caused by melting of the respective types of wax. The types of wax include a first wax, which melts at a first temperature, and a second wax, which melts at a second temperature which is higher than the first temperature.

Abstract: An exhaust heat recovery device of the present invention has: a first pipe through which exhaust from an engine flows; a second pipe that branches-off from the first pipe, and at which is disposed a heat recovery apparatus that carries out heat exchange with the exhaust and recovers exhaust heat; a valve member that adjusts an amount of flow of the exhaust that flows-in from the first pipe to the second pipe; and plural driving members that drive the valve member.

Abstract: The present invention relates to a holding material for a catalyst converter, where the catalyst converter contains a catalyst carrier having a cross-section of a flattened shape, a metal casing to which the catalyst carrier is received, and the holding material attached to the catalyst carrier and interposed in a gap between the catalyst carrier and the metal casing, in which the holding material has a first part positioned in a minor axis direction of a cross-section of the catalyst carrier and having a high basis weight, a second part positioned in a major axis direction of the cross-section of the catalyst carrier and having a low basis weight, and a third part having a basis weight gradually decreased toward the second part from the first part.

Abstract: A mounting structure for a heat accumulation tank is provided with an elastic member that wraps around a tank main body, and a heat accumulation tank mounting member which wraps around the outer peripheral surface of the elastic member and holds the tank main body by being tightened in the circumferential direction, and which attaches to a receiving member. The elastic member is a molded part. The length of the elastic member is shorter than length of the circumference of the outer peripheral surface of the tank main body. The heat accumulation tank mounting member includes a shift inhibiting portion which inhibits an upward shift of the tank main body. The outside diameter of the tank main body becomes increasingly wider in the upward direction.

Abstract: A double-layer vacuum container includes: an inner container having a bridging member supported by an outer container in a bridging manner; the outer container through which the bridging member extending from the inner container is externally exposed; and a cover member for externally covering the portion of the outer container through which the bridging member is exposed and for sealing a space inside the cover member and a space between the inner container and the outer container in a vacuum state between the cover member and the outer container. With such a structure of the double-layer vacuum container, the inner container other than a lip is supported by the outer container with a good heat retaining property to prevent the displacement or damage of the inner container.

Abstract: A double-layer vacuum container includes: an inner container having a bridging member supported by an outer container in a bridging manner; the outer container through which the bridging member extending from the inner container is externally exposed; and a cover member for externally covering the portion of the outer container through which the bridging member is exposed and for sealing a space inside the cover member and a space between the inner container and the outer container in a vacuum state between the cover member and the outer container. With such a structure of the double-layer vacuum container, the inner container other than a lip is supported by the outer container with a good heat retaining property to prevent the displacement or damage of the inner container.

Abstract: A double-layer vacuum container includes: an inner container having a bridging member supported by an outer container in a bridging manner; the outer container through which the bridging member extending from the inner container is externally exposed; and a cover member for externally covering the portion of the outer container through which the bridging member is exposed and for sealing a space inside the cover member and a space between the inner container and the outer container in a vacuum state between the cover member and the outer container. With such a structure of the double-layer vacuum container, the inner container other than a lip is supported by the outer container with a good heat retaining property to prevent the displacement or damage of the inner container.

Abstract: A cooling structure for uniformly cooling a bore wall of a cylinder block using a cooling medium, the bore wall surrounding plural bore regions, includes a water jacket portion which is provided so as to surround an entire outer periphery of the bore wall, and which is supplied with the cooling medium; and a water jacket spacer which is inserted in the water jacket portion such that a space is provided between the bore wall and the water jacket spacer. The cylinder block includes an inter-bore region which is positioned in a vicinity of a boundary between the bore regions adjacent to each other, and a region other than the inter-bore region; and a cross sectional area of the space between the bore wall and the water jacket spacer in the inter-bore region is smaller than a cross sectional area of the space between the bore wall and the water jacket spacer in the region other than the inter-bore region.

Abstract: A cooling structure for uniformly cooling a bore wall of a cylinder block using a cooling medium, the bore wall surrounding plural bore regions, includes a water jacket portion which is provided so as to surround an entire outer periphery of the bore wall, and which is supplied with the cooling medium; a water jacket spacer which is inserted in the water jacket portion; a passage through which the cooling medium in a portion of an inter-bore region is transferred to another portion of the inter-bore region, the inter-bore region being positioned in a vicinity of a boundary between the bore regions adjacent to each other; and a flow promotion device which increases a flow rate of the cooling medium flowing in the passage.

Abstract: A cooling structure of a cylinder block includes a water jacket portion which is provided so as to surround an entire outer periphery of the bore wall; a water jacket spacer which is inserted in the water jacket portion; and a gasket which is provided in an upper portion of the cylinder block, and which includes a hole leading to the water jacket portion. The water jacket portion is supplied with coolant. A distance between a center of the hole and an outer periphery of the cylinder block is shorter than a distance between a center of the water jacket spacer in a thickness direction and the outer periphery of the cylinder block. In the cooling structure, the cylinder block can be uniformly cooled.