435results about How to "Reliable cooling" patented technology

An electric vehicle includes plurality of batteries accommodated in a rear portion of a battery box, and an electric part is accommodated in an electric part accommodating chamber provided in a front portion of the battery box. Cooling air supplied from a cooling fan to the rear portion of the battery box cools the batteries having a large thermal resistance, while being passed through a first cooling air passage around outer peripheries of the batteries at a low flow rate. A second cooling air passage having a smaller sectional area than that of the first cooling air passage is provided below the electric part accommodating chamber, and cooling fins protruding downwards from the electric part are exposed within the second cooling air passage. The second cooling air passage extends continuously the first cooling air passage in a downstream direction of airflow, so that cooling air which has first cooled the batteries then cools the electric part having a smaller thermal resistance, while being passed through the second cooling air passage at a higher flow rate than that in the first cooling air passage.

A cooling structure for batteries and electrical units, that cools the batteries being driving sources of a motor mounted in a vehicle capable of traveling by a driving force of the motor and electrical units for driving the motor, the cooling structure including: a plurality of battery boxes that each contain one of the batteries; cooling passages that are each formed in each of the battery boxes, through which cooling air flows; a merging part where downstream ends of the cooling passages of the battery boxes are merged with each other; and cooling portions of the electrical units, that are provided on a downstream side of the merging part, wherein the electrical units are disposed on a downstream side of the battery boxes.

A rear seat is foldable by moving downward a seat cushion and folding forward a seat back. A power source unit is disposed below a rear floor to the rear of the rear seat. When the rear seat is in an unfolded state, cooling air can be introduced from inside a vehicle compartment, through a space between a lower surface of the seat cushion and an upper surface of an underseat floor, into a cooling-air introduction port in the power source unit. When the rear seat is in a folded state, the cooling air is introduced from inside the vehicle compartment, through cooling-air introduction passages, into the cooling-air introduction port. Thus, the power source unit can be cooled irrespective of whether the rear seat is in the folded state, without reducing the foldability of the rear seat.

A throttle device with a throttle body and first and second supports supporting a motor for controlling the opening position of the throttle of a valve. The first and second supports support the motor from both sides of the motor in the longitudinal direction. At least one of the first and second supports may also elastically support the motor, and may be a metallic leaf spring disposed within the throttle body.

The invention provides an air conditioner, a cooling system of the air conditioner and a cooling method. The cooling system comprises a condenser (1), an evaporator (5), a compressor (6) and a frequency converter (2), wherein the condenser (1), the evaporator (5) and the compressor (6) are connected in sequence, and construct a loop; a refrigerant flow path is formed in the condenser (1); and a cooling flow path is formed in the frequency converter (2); and the cooling flow path is communicated with the refrigerant flow path in the condenser (1) through a liquid taking flow path, and is communicated with the cold evaporator (5) through a liquid return flow path. The cooling system provided by the invention is simple in structure, and has small influence on the overall structure of a unit; a refrigerant is prevented from being scaled and corroded in a pipeline of the cooling system; a refrigerant in the condenser is used for cooling the frequency converter, so that the influence of the external environment is small, and the cooling effect is stable and reliable; and the cooling of the frequency converter and the refrigerating function of the air conditioner are completed at the same time in one cooling system, so that normal running of the air conditioner is effectively ensured.

A phase change cooler of the present invention includes: a plurality of heat receiving units that cause a refrigerant to change phase from liquid to gas by heat received from a heat generating body; one heat radiating unit that causes the refrigerant to change phase from gas to liquid by radiating heat to surrounding area; a plurality of vapor tubes that respectively transport the refrigerant in a vapor state from each of the heat receiving units to the heat radiating unit; a liquid tube that respectively circulates the refrigerant in a liquid state from the heat radiating unit to each of the heat receiving units; and a bypass tube that connects each of the heat receiving units to each other.

A piezoelectric actuator for actuating control valves or injection valves in internal combustion engines in motor vehicles. The piezoelectric actuator body is in the form of a multilayer laminate of layered plies of piezoelectric material and intervening metal, for instance electrically conductive layers acting as electrodes. The electrode layers are contacted by electrically conductive common electrode leads, and the actuator body is surrounded by a metal module wall which encircles an interstice that contains the common electrode leads. The common electrode leads are designed in the form of a three-dimensionally structured surface or a three-dimensionally structured body, and a portion thereof contacting the actuator body has a lengthened portion or enlargement, that protrudes into the interstice, for dissipating heat from the actuator body, and an elastomer filling with heat-conducting additive particles in the interstice.

A battery pack includes: a battery assembly including a plurality of batteries; a fluid drive member driving a fluid which cools the battery assembly; a housing that houses the battery assembly and the fluid drive member; and a beam provided integrally with a bottom wall of the housing to support the battery assembly from a lower side. A circulation passage provided in the housing includes: a first fluid passage between the battery assembly and a side wall of the housing; a battery passage between the batteries; and a second fluid passage downstream of the battery passage and extending toward the fluid drive member. The second fluid passage is surrounded by at least the beams, the bottom wall, and a lower end of the battery assembly.

A combustor for a gas turbine has an arrangement to form a layer of cooling-air on an inner surface of a liner of a combustion chamber. This layer of the cooling air extends from a fuel nozzle block of the combustor toward a downstream side with respect to the liner.

The present invention relates to an apparatus and method for dissipating heat from high-power electronic devices. The assembly includes a high-current substrate, such as a printed circuit board supporting an electronic device, a heat pipe thermally coupled with the electronic device and an assembly case which also forms a heat sink, and thermal transient suppression material which may be thermally coupled with the electronic device and the heat pipe.

The invention relates to a liquid-cooled piston (10) for internal combustion engines having a cooling duct (16) that has an annular shape or consists of several annular segments, said duct having a substantially constant cross section along its extension and extending in an undulated manner at least in certain areas in the direction of the axis of the piston (18).

Disclosed is a ship propulsion system comprising a synchronous machine (6) with an especially superconducting rotor winding that is to be subjected to intense cooling and a normally conducting stator winding (11) which is to be cooled. The stator winding (11) is disposed at least in part inside a support structure (14) encompassing a hollow cylindrical magnetically soft outer body (13) and web-type support teeth (21i) that extend in an axial and radial direction. A hollow cylindrical part (15a) of an exterior housing (15) encloses the outer body (13). In order to cool at least some areas of said housing part (15a), the stator winding (11) is thermally coupled to water as a cooling medium (K) via the support structure (14) and the housing part (15a).

In an electrode for projection welding, an end cover (10) of metal having a through hole (19) is attached to the end of a main body (6) of metal having a cylindrical shape, a guide sleeve (12) of insulation material is disposed in the main body (6), the end of the guide sleeve (12) being formed with a receiving hole (18) for a part (2) in a state in which the receiving hole (18) communicates with the through hole (19) in the end cover (10), and a cooling passage (32) for fluid which cools the guide sleeve (12) is formed.

A coolant passage in a cylinder head of a multi-cylinder internal combustion engine is divided into an intake-side passage below intake ports and extending in a cylinder arranging direction, and an exhaust-side passage including plural exhaust-side lateral passages corresponding to respective cylinders and an exhaust-side longitudinal passage. The exhaust-side lateral passages (1) are mutually separated by partition walls at a position corresponding to the section between a corresponding adjacent pair of the cylinders, (2) have an inlet for coolant in the vicinity of exhaust ports of a corresponding one of the cylinders, and (3) extend from the inlet toward the intake port via the vicinity of a top of a combustion chamber formed in the corresponding cylinder. The exhaust-side longitudinal passage extends along the cylinder arranging direction. Downstream ends of the exhaust-side lateral passages connect to the exhaust-side longitudinal passage.

The invention provides an RBCC fuel gas generator integrated supplying and adjusting system based on liquid oxygen. The system comprises a pressurization unit, a supply unit, an engine body and a connecting pipeline unit. The pressurization unit is used for conducting pressurization on the supply unit. The supply unit is connected with the engine body through the connecting pipeline unit, and supplies propellants to the engine body. According to the RBCC fuel gas generator integrated supplying and adjusting system based on the liquid oxygen, the defect that an original system is complex and large due to the fact that a rocket thrust chamber and a ramjet combustion chamber are independently supplied with fuel oil is overcome, the respective advantages of the liquid oxygen, hydrogen peroxide and kerosene propellants are combined, the engine specific impulse and density specific impulse are high, the requirement for the combined engine integrated fuel oil supply and integrated cooling structural design is met, the system using and maintaining technology is mature, the system composition is relatively simple, and implementation is easy.

Medical or dental instruments having a lighting device, manufacturing methods for such instruments and various lighting devices having an optical semiconductor element are described. The lighting devices have, for example, a body, at least one radiation-emitting surface on a radiation-emitting end of the body and at least one fluid channel which is provided in the body and connects at least one opening which is provided on the radiation-emitting end to one or more fluid sources for dispensing fluid. The lighting devices have, for example, a hollow metallic sleeve, a transparent window for emission of electromagnetic radiation and a socket on which at least one optical semiconductor element is arranged. The socket is made of a ceramic, glass ceramic or glass material, and is connected to the hollow metallic sleeve by a material comprising metal and glass.

A superconducting device has a rotor rotatable about an axis of rotation and a superconducting winding in a heat conducting winding carrier. The winding carrier has a central cooling agent cavity with a lateral cavity leading out of the winding carrier connected thereto. A cold head associated with a cooling unit is connected to a condenser unit which condenses the cooling agent. A fixed heat tube guiding the cooling agent is coupled to the condenser unit, protruding axially into the co-rotating lateral cavity and is sealed in relation thereto.

A cooling arrangement is provided for a wind turbine. The wind turbine has a nacelle. The cooling arrangement includes a cooling device and a platform. The cooling device is arranged on top of the nacelle and which is configured to remove heat of the wind turbine to the ambient air. The platform is located on top of the nacelle and which is configured to be approached by a helicopter. The platform includes a barrier, which surrounds at least a part of the platform. The barrier includes at least a part of the cooling device.

This hybrid drive device separates the lubricant supplied to a clutch and to an electric motor and improves lubrication and cooling of the clutch and electric motor. Lubricant from a clutch lubrication hole (143) and an electric motor lubrication hole (145) and consisting of shaft core lubrication is partitioned by a rotor support member (126). The lubricant which lubricates the clutch (6) and flows out is separated by the cover member (187) and does not flow into the coil end (24a) on one side. The electric motor lubricant is guided to the coil end (24b) on the other side, and, passing through an oil passage (186), is guided to the coil end (24a) on the first side.

The invention relates to an air conditioning energy saving device based on a Stirling machine and condensate water recycling technology and an application, and belongs to the field of air conditioners, refrigerators, Stirling machines and condensate water recycling technologies. The air conditioning energy saving device comprises two major parts, namely, a condensate water recycling device and a Stirling machine energy saving device, wherein the condensate water recycling device is mainly composed of a condensate water distributing device and a condensate water collecting pipe, and the air conditioner waste cold is subjected to recycling and reusing; and the Stirling machine energy saving device is mainly composed of four parts, namely an operating mechanism, a power mechanism, a starting and reversing mechanism and a control guarantee mechanism, and the air conditioner waste cold heat is reused. The conditioning energy saving device provided by the invention fully utilize the waste cold and the waste heat generated by an air conditioner according to a thinking that the heat is utilized to carry out heat dissipation and the waste cold is utilized to reduce consumption, the energy consumption of a fixed frequency air conditioner can be reduced by about 3%, the energy consumption of a variable frequency air conditioner is reduced by about 6%, in addition, the heat discharge of the air conditioner is reduced, an urban heat island effect is relieved, the energy conservation and emission reduction of an air conditioner cooling system is realized, and the air conditioning energy saving device has better air economic and social benefits.