Abstract: Provided is a chemical heat storage apparatus that includes a reactor that exchanges heat with a heating object and includes a reaction material generating heat via chemical reaction with a reaction medium, the reaction medium being desorbed from the reaction material when heat is given, a reservoir storing the reaction medium, a reaction medium flow system allowing the reaction medium to flow between the reactor and the reservoir, a heat generation control unit controlling the reaction medium flow system, and an exhaust gas utilization unit desorbing the reaction medium from the reaction material via heat of exhaust gas discharged from an internal combustion engine and heating the heating object via the heat of the exhaust gas when a temperature of the exhaust gas reaches a predetermined temperature or more.

Abstract: Provided is a chemical heat storage apparatus that includes a reactor that exchanges heat with a heating object and includes a reaction material generating heat via chemical reaction with a reaction medium, the reaction medium being desorbed from the reaction material when heat is given, a reservoir storing the reaction medium, a reaction medium flow system allowing the reaction medium to flow between the reactor and the reservoir, a heat generation control unit controlling the reaction medium flow system, and an exhaust gas utilization unit desorbing the reaction medium from the reaction material via heat of exhaust gas discharged from an internal combustion engine and heating the heating object via the heat of the exhaust gas when a temperature of the exhaust gas reaches a predetermined temperature or more.

Abstract: A chemical heat storage device includes a reactor disposed around an oxidizing catalyst and containing MgCl2 which chemically reacts with NH3 to generate heat, a storage connected to the reactor through a pipe to store NH3, an on-off valve disposed in the pipe, a temperature sensor detecting the temperature of the exhaust gas passing through the oxidizing catalyst, and a controller controlling the on-off valve based on the detected value of the temperature sensor. The controller controls the on-off valve such that the on-off valve unconditionally opens if the temperature of the exhaust gas is greater than a heat generating start temperature TL and is equal to or less than a heat generating end guide temperature TQ, and the on-off valve unconditionally opens if the temperature of the exhaust gas is greater than a regenerating temperature TH.

Abstract: A chemical heat storage device heats a subject to be heated existing in a pipe. The chemical heat storage device includes a reactor that generates heat by chemically reacting with a reaction medium, an absorber that causes an absorbent to absorb and stores the reaction medium, and a connection tube that is connected to the reactor and absorber, for the reaction medium to migrate through. The reactor includes a solid reaction material disposed along an outer peripheral surface of a place where the subject exists in the pipe and a casing that seals the reaction material so as to form a space along an outer peripheral surface of the reaction material. One end of the connection tube is open to the space.

Abstract: A chemical heat storage device includes a reactor disposed around an oxidizing catalyst and containing MgCl2 which chemically reacts with NH3 to generate heat, a storage connected to the reactor through a pipe to store NH3, an on-off valve disposed in the pipe, a temperature sensor detecting the temperature of the exhaust gas passing through the oxidizing catalyst, and a controller controlling the on-off valve based on the detected value of the temperature sensor. The controller controls the on-off valve such that the on-off valve unconditionally opens if the temperature of the exhaust gas is greater than a heat generating start temperature TL and is equal to or less than a heat generating end guide temperature TQ, and the on-off valve unconditionally opens if the temperature of the exhaust gas is greater than a regenerating temperature TH.

Abstract: A chemical thermal storage device includes a reactor and an adsorber connected to the reactor via a pipe. The reactor has a stack structure body having a plurality of plate-shaped heat generation parts and a plurality of heat exchange parts alternately stacked. The heat generation part has a thermal storage material that generates heat upon chemical reaction with NH3 and desorbs NH3 upon reception of waste heat, and a metal casing that contains the thermal storage material. The heat exchange part is a passage of exhaust gas and is constituted of a metal fin. The metal casings of the heat generation parts and the heat exchange parts are joined to each other by brazing, welding or the like.

Abstract: A chemical thermal storage device includes a reactor that is disposed around a heat exchanger and contains a thermal storage material that generates heat upon chemical reaction with NH3 and desorbs NH3 upon reception of waste heat, an adsorber containing an adsorption material capable of retention and desorption of NH3 through physical adsorption, a solenoid valve that is provided between the reactor and the adsorber and opens and closes a flow channel between both, and a safety valve that is provided in parallel to the solenoid valve between the reactor and the adsorber and mechanically opens when a pressure in the reactor reaches a preset valve-opening setting pressure. The safety valve has a check valve function to shut off a flow of NH3 from the adsorber to the reactor.

Abstract: A chemical heat storage device according to one embodiment is a chemical heat storage device to heat a heating target disposed inside an exhaust pipe connected to an engine, the chemical heat storage device comprising a reactor disposed around the exhaust pipe and including a heat storage material which chemically reacts with a reaction medium to generate heat and a high heat conducting member having a thermal conductivity higher than that of the heat storage material, a storage which stores the reaction medium, and a connection pipe which connects the reactor to the storage to transfer the reaction medium between the reactor and the storage, wherein the high heat conducting member extends from a side of an outer peripheral surface of the reactor to a side of an inner circumferential surface of the reactor in contact with the exhaust pipe.

Abstract: A chemical heat storage device heats a subject to be heated existing in a pipe. The chemical heat storage device includes a reactor that generates heat by chemically reacting with a reaction medium, an absorber that causes an absorbent to absorb and stores the reaction medium, and a connection tube that is connected to the reactor and absorber, for the reaction medium to migrate through. The reactor includes a solid reaction material disposed along an outer peripheral surface of a place where the subject exists in the pipe and a casing that seals the reaction material so as to form a space along an outer peripheral surface of the reaction material. One end of the connection tube is open to the space.

Abstract: A heat storage device includes a reactor, arranged in an exhaust system, having a formed body chemically reacting with ammonia and generating heat, and an ammonia reservoir, connected to the reactor, for storing ammonia. The ammonia reservoir incorporates therein an absorbent physically absorbing ammonia. The ammonia reservoir has a heat-exchanging structure and is temperature controlled by heat exchange with an external heating medium.

Abstract: A thermal storage device includes a reactor for generating heat by chemically reacting with ammonia; an absorber, provided with an absorbent, for storing ammonia absorbed by the absorbent; and a connection line for connecting the reactor and absorber to each other and moving ammonia between the reactor and absorber. The reactor has a thermal storage member provided so as to cover an outer peripheral portion of the catalyst, a porous sheet provided so as to cover an outer peripheral portion of the thermal storage member, and a casing for enclosing the thermal storage member and porous sheet. One end of the connection line penetrates the casing and opens to the porous sheet.

Abstract: A catalytic reactor includes a catalytic reaction section, which has a purification catalyst for gas purification, and a warming-up section, which is located at a position capable of heat-exchanging with the purification catalyst and has a chemical heat storage material that generates heat when ammonia is fixed and absorbs heat when ammonia is desorbed. The catalytic reactor is further includes an ammonia supply section, which has an adsorbent capable of adsorbing ammonia and transfers ammonia to and from the warming-up section through the adsorption and desorption of the ammonia, and an ammonia depressurization section, which has an ammonia fixation section for fixing ammonia and reduces the partial ammonia pressure of at least the interior of the warming-up section after ammonia is desorbed from the chemical heat-storage material.

Abstract: A heat storage device includes a reactor, arranged in an exhaust system, having a formed body chemically reacting with ammonia and generating heat, and an ammonia reservoir, connected to the reactor, for storing ammonia. The ammonia reservoir incorporates therein an absorbent physically absorbing ammonia. The ammonia reservoir has a heat-exchanging structure and is temperature controlled by heat exchange with an external heating medium.

Abstract: A manufacturing method of a transition critical refrigerating cycle device in which a gas cooler and a sub-cooler are integrated to constitute one heat exchanger so as to most efficiently cool a refrigerant in the device. The transition critical refrigerating cycle device is constituted by successively connecting a compressor, the gas cooler, a capillary tube and an evaporator, and having a supercritical pressure on a high-pressure side of the device. The sub-cooler cools an intermediate-pressure refrigerant of the device. A ratio of the number of refrigerant pipes of the sub-cooler to the number of refrigerant pipes of the whole heat exchanger is set to 20% or more and 30% or less. The refrigerant pipes of the sub-cooler have a uniform heat transfer area per unit length of each refrigerant pipe.

Abstract: To provide an ebullient cooling device that can prevent the freezing of liquid cooling medium, and which can inhibit the occurrence of burnout. An ebullient cooling device according to the present invention is characterized in that: it comprises an accommodating unit in which a liquid cooling medium is accommodated, the liquid cooling medium receiving heat that results from a heating element; the liquid cooling medium is a mixed liquid comprising at least two types of liquids whose boiling points differ; the accommodating unit has: a heat-transferring wall portion that conveys the heat of the heating element to the liquid cooling medium; and a facing wall portion that faces the heat-transferring wall portion by way of the liquid cooling medium; and a separation distance between the heat-transferring wall portion and the facing wall portion is 3 mm or less.

Abstract: Provided is an ebullient cooling device that can prevent the freezing of liquid cooling medium, and which can inhibit the occurrence of burnout. An ebullient cooling device includes an accommodating unit in which a liquid cooling medium is accommodated, the liquid cooling medium receiving heat that results from a heating element and is an ebullient cooling device to be installed in vehicle, wherein the liquid cooling medium is a mixed liquid of water and ethanol, and the mixed liquid has an ethanol concentration of 40% by mass or more.

Abstract: An ebullient cooling device that can maintain favorable cooling-medium circulation is provided. An ebullient cooling device according to the present invention is characterized in that it is an ebullient cooling device that includes a heat receiving unit to which a heating element is installed, and which has a cooling medium in the inside, a condensing unit which communicates with the heat receiving unit, and which condenses the cooling medium that has been boiled by means of heat resulting from the heating element, a cooling-medium circulating unit which communicates with the heat receiving unit and condensing unit, into which the cooling medium having been condensed at the condensing unit flows and additionally which supplies the cooling medium to the heat receiving unit, and an inner bottom face of the condensing unit includes a guiding portion which guides the cooling medium to the cooling-medium circulating unit by means of gravity.

Abstract: The invention has an object to provide a cold storage capable of simplifying a construction for pushing up a cooling unit and easily positioning a mounting position of the cooling unit. The cold storage includes a cooling unit integrated with a cooling box accommodating a cooler and a blower, and a compressor, a condenser and the like provided on a mounting base; a cold air discharge and a suction port formed in the bottom wall of a thermal insulating housing; fixing members having a stopper for positioning the cooling unit in a machine room such that a cold air discharge and a suction port correspond to lower sides of the first mentioned discharge and suction ports, respectively; and pushing-up members and operating arms for them, the pushing-up members causing the cooling unit to be pushed up toward the bottom wall of the thermal insulating housing by abutting against the lower surface of the mounting base on front and rear sides with respect to inserting direction of the cooling unit into the machine room.

Abstract: An object of the present invention is to provide a manufacturing method of a transition critical refrigerating cycle device in which a gas cooler and a sub-cooler constitute one heat exchanger so as to most efficiently cool a refrigerant in the device. During manufacturing of the transition critical refrigerating cycle device constituted by successively connecting a compressor, the gas cooler, a capillary tube and an evaporator and having a supercritical pressure on a high-pressure side of the device, the sub-cooler which cools an intermediate-pressure refrigerant of the compressor is disposed, the gas cooler and the sub-cooler are integrated to constitute a heat exchanger, and a ratio of the number of refrigerant pipes of the sub-cooler to the number of refrigerant pipes of the whole heat exchanger is set to 20% or more and 30% or less.

Abstract: The invention has an object to provide a cold storage capable of simplifying a construction for pushing up a cooling unit and easily positioning a mounting position of the cooling unit. The cold storage includes a cooling unit integrated with a cooling box accommodating a cooler and a blower, and a compressor, a condenser and the like provided on a mounting base; a cold air discharge and a suction port formed in the bottom wall of a thermal insulating housing; fixing members having a stopper for positioning the cooling unit in a machine room such that a cold air discharge and a suction port correspond to lower sides of the first mentioned discharge and suction ports, respectively; and pushing-up members and operating arms for them, the pushing-up members causing the cooling unit to be pushed up toward the bottom wall of the thermal insulating housing by abutting against the lower surface of the mounting base on front and rear sides with respect to inserting direction of the cooling unit into the machine room.