43results about How to "Improve cooling" patented technology

The invention relates to a computer rack, frame or system having a direct current power supply positioned at the upper portion of the rack. In one variation, the DC power supply is placed in the highest shelf in the computer rack. In another variation, the DC power supply is placed on top of the computer rack. In yet another variation, a dual column computer rack with a back-to-back configuration is implemented with DC power supplies placed in a top shelf of the one of the computer columns. The DC power supply may comprise of one or more direct current power supply modules configured to provide fail over protection. In another aspect of the invention, the power supply modules are placed in a separate rack and provide direct current to support computers in one or more computer racks.

A turbine wall includes a metal substrate having front and back surfaces. A thermal barrier coating is bonded atop the front surface. A network of flow channels is laminated between the substrate and the coating for carrying an air coolant therebetween for cooling the thermal barrier coating.

A plurality of double rows of orifices sandwiching a plenum formed in the wall of the leading edge of an airfoil diffuses the coolant that feeds a plurality of columns and rows of grooves formed in the leading edge of the airfoil so as to diffuse the coolant and define a film of cooling air. The grooves may be aligned or staggered and the orifices, plenums and grooves are sized to match the airflow to the heat load along the leading edge to maximize the use of coolant and enhances engine performance as does the absence of material at the leading edge that results from the use of the columns and rows of grooves.

A dual-side thermal interface and cooling design of an integrated power module is disclosed which effectively reduces the equivalent thermal impedance on the power module by 20%. This in turn reduces the temperature rise of the junction temperature of the power devices inside the power module by 20% with an equivalent load current. As a consequence the weight and volume associated with the conventional cooling mechanism not employing a dual thermal interface is reduced, thus increasing the ambient operating temperature limit of a power converter in the module.

A network cabinet fitting system includes a grommet, a corrugated tube fitting assembly and a filler panel. The grommet and the filler panel are installed within an opening of a network cabinet top. The fitting assembly is secured around a corrugated tube and inserted into the grommet to seal the opening.

A battery module including at least one battery column in which a plurality of unit batteries are laminatedly arranged, and a housing in which battery columns are disposed and a cooling medium is circulated. The battery columns are arranged at an angle with respect to an inflow direction of the cooling medium into the housing.

In a welding torch including a torch housing (28) and, preferably, a tube bend (29) capable of being fastened thereto, wherein a drive unit (30) for feeding a welding wire (13) is arranged in the torch housing (29) and the drive unit (30) is formed by at least one pair of rollers, in particular a drive roller (31) and a pressure roller (32), as well as a drive motor, a part of the torch housing (28) is designed as a component of the drive unit (30). A rotor (45), in particular a motor shaft (46), of the drive motor (33) is fastened to the torch housing (28) via a bearing, in particular via bearings (43, 44), to stabilize and position the rotor (45). In a welding wire feed drive motor including bearings (43, 44), a rotor (45), in particular a motor shaft (46) and a rotor winding (49) or rotor magnets, and a stator pack, in particular stator winding (47) or stator magnets, at least a part of the motor shaft (46), in particular the retention zone of a drive roller (31), is electrically insulated from the housing, in particular stator housing (65) or base body (37).

A cylinder head for an internal combustion engine has a body integrating, in a single cast piece, or exhaust manifold and including a lower cooling jacket and an upper cooling jacket. The lower cooling jacket is longitudinally divided into a plurality of separate transverse chambers associated to various engine cylinders, while the upper cooling jacket has a portion extending longitudinally over the entire development of the head and communicating with separate transverse chambers located on the intake side of the head. The exhaust conduits integrated in the head form separate subgroups of exhaust conduits merging into manifold portions superimposed and spaced apart from each other. The lower cooling jacket has a portion thereof which extends in the area of the body of the head which separates the superimposed portions of the abovementioned subgroups of exhaust conduits.

A hydrodynamic clutch device, in particular a torque converter or fluid clutch, includes a housing, a turbine wheel in the housing, and a torque-converter lock-up clutch, which is used to selectively produce a torque-transfer connection between the turbine wheel and the housing. The torque-converter lock-up clutch includes at least one substantially annular friction element, which is connected to the turbine wheel in order to rotate with the latter about a rational axis, the element having a friction surface region and a contact element. The contact element is connected to the housing in order to rotate with the latter about the rotational axis and impinges upon the friction surface region of the friction elements to produce the torque-transfer connection between the turbine wheel and the housing. The contact element is connected to the housing assembly in a rotationally rigid manner in a zone lying radially outside the friction surface region.

A turbine blade including an open cavity at its distal tip, the cavity being defined by a bottom wall and a side wall extending along the perimeter of the distal tip in an extension of the upper and lower walls of the blade, the side wall of the cavity including an opening in a vicinity of the leading edge of the blade opening into the cavity. A deflector extends at least in the middle portion of the cavity between the leading edge and the trailing edge.

An air-cooled internal combustion engine which ensures the protective function and cooling performance of a sensor and wires connected to the sensor with a simple structure, and has a large degree of freedom in the arrangement of the sensor. An air-cooled internal combustion engine (E) that is forced to be air-cooled by a cooling fan (40) has a shroud (45) that forms a cooling air ventilation path (46) that surrounds the cylinder head and the cylinder by covering the cylinder head (3) and the cylinder (1) . The oxygen concentration sensor (70) that is installed on the cylinder head and the oil temperature sensor (75) that is installed on the cylinder (1), and the electric wire (71,76) that is connected with each sensor (70,75) is configured as ventilation passage ( 46) on. In addition, each electric wire is arranged upstream of the cooling air of the cylinder head and the cylinder.

A mold is provided for use with a wheel-type blow mold machine, the mold being one of a plurality of molds for locating in a circular pattern on a wheel of the blow-mold machine and having a longitudinal direction for aligning tangentially with a circumferential direction of the mold wheel and a transverse direction perpendicular to the longitudinal direction. The mold has a first part and a second part. The first part has a first molding portion with a longitudinal end in the longitudinal direction of the mold and a first end portion adjoining the first molding portion at the longitudinal end of the first molding portion and having a free edge opposite the first molding portion, the free edge being non-parallel to the longitudinal direction and the transverse direction. The first part also has an outer cooling circuit located in the first end portion, and an inner cooling circuit located in the first end portion at a different location in the transverse direction than the outer cooling circuit. The inner cooling circuit is a split tube with a first passage of the split tube being for directing a cooling fluid to the first end portion and a second passage of the split tube being for directing the cooling fluid from the first end portion. The second part is separable from the first part and has a second molding portion.

The present application provides a turbine bucket. The turbine bucket may include an airfoil and a tip shroud attached to the airfoil. The tip shroud may include a cooling core and an enhanced cooling surface.

A continuously variable transmission cooling fan includes a moveable sheave cover attached to a drive clutch assembly of a continuously variable transmission, with a plurality of fan blades molded into the moveable sheave cover and arranged around the perimeter of the moveable sheave cover. Each fan blade may have a different length, curvature and angle of position than the adjacent fan blades. The continuously variable transmission cooling fan also may include a plurality of openings in the moveable sheave cover located radially inwardly from the fan blades.

A glove having a heat insulating barrier is disclosed. The heat insulating barrier is removably inserted into a zippered pocket or a weblike pouch, the pocket or pouch being positioned proximate the back of a user's hand. the heat insulating barrier acts to selectively reduce heat conduction from the back side of the hand, thereby allowing the user's hand or hands to remain warm in cold environments. The ability to stack a varying number of heat insulating layers in the pouch or pocket further allows the user to selectively control the warmth of the hand as the ambient temperature fluctuates during use. The zippered pocket or weblike pouch can have first and second opening to permit increased cooling through the back portion of the glove.

A circuit board heatsink 60 for cooling a regulator circuit board has a flat base portion 61. Fifteen fins 62 are respectively disposed so as to project vertically from a first surface of the base portion and are arranged so as to be parallel to each other. The regulator circuit board is fixed to a second surface of the base portion 61 of the circuit board heatsink 60, and is housed and held inside a regulator circuit board housing portion of a regulator assembly such that the fins 62 face the rear bracket.

The invention provides an oil cooling motor. A motor body is provided with a cooling oil circulation path which can circulate the cooling oil. A cooling oil passage which is a part of the cooling oil circulation path is arranged on a cylinder cover by surrounding a hole of a sparking plug. In the oil cooling motor, the cooling oil which is supplied to the cooling oil passage around the sparking plug is not easy to become hot, so the cooling performance around the hole of the sparking plug is improved. The hole (67) of the sparking plug is arranged on a projection image of the plane projection which is orthogonal to an axial line (C) of a cylinder barrel and on one side of a plane (PL). The plane includes a linear line which connects the centers of opening parts of a gas inlet (24) and a gas outlet (25), and the opening parts are open to a combustion chamber (22). A cooling oil supplying passage (61) is arranged on one side of the plane and is arranged on the cylinder cover (15), and is closer to the gas outlet than the gas inlet. The cooling oil supplying passage forms a part of the cooling oil circulation path and is connected with an upstream end of the cooling oil passage around the sparking plug.

An electric motor or generator comprising a stator having stator teeth for mounting electrical coils, a rotor, a first electrical device arranged to control current in the electric coils to generate a rotational torque on the rotor and a second electrical device arranged to modify current provided to the first electrical device, wherein the stator includes a cooling arrangement having a cooling channel arranged to cool the electrical coils, the first electrical device and the second electrical device.

The invention discloses a cylinder cover of a natural gas engine. The cylinder cover is of a frame type cavity structure and comprises an air inlet passage, an air exhaust passage, valve seat ring holes, a saucer-shaped combustion chamber and a spark plug mounting hole. The frame type cavity structure comprises a bottom plate, side plates and a top plate, the air inlet passage and the air exhaust passage are arranged in the middle of a cavity and are respectively communicated with the combustion chamber via valves; the valve seat ring holes are respectively formed in positions among the air inlet passage, the air exhaust passage and the combustion chamber and are used for mounting valve seat rings and forming sealing strips for the heads of the valves; the saucer-shaped combustion chamber is in the shape of an inverted saucer, the size of the outer edge of the saucer-shaped combustion chamber is matched with that of the outer edge of a piston-cup-shaped combustion chamber, and the saucer-shaped combustion chamber and the piston-cup-shaped combustion chamber form an apple-shaped combustion chamber; the spark plug mounting hole is formed in a position between the air inlet passage and the air exhaust passage and is communicated with the saucer-shaped combustion chamber. The cylinder cover has the advantages that owing to the structural design of the saucer-shaped combustion chamber at the bottom of the cylinder cover, the radiating performance of the cylinder cover can be improved, and the reliability of a piston can be effectively enhanced.

An electrical machine such as an alternator or starter-alternator for a motor vehicle which is fitted with the one-piece voltage-regulator/brush-holder assembly (1). The brush-holder (6) is capable of guiding at least first and second brushes by means of respective first and second longitudinal recesses (7). The recesses are substantially parallelepiped, made of an electrically insulating material and extend substantially in an axial plane of a rotor of the machine. Each recess is provided with at least one respective longitudinal internal groove (9) in communication with at least one channel (11) provided in a body (6) of the assembly (1), in an axial direction (XX′) of the rotor, and intended for a coolant (8) to pass therethrough. A first cross section of the first internal groove is between 5% and 7% of a second cross section of the recesses.

The projector (1) comprises a light source (S), a movement means (20), a moving optical element (4) driven by the movement means (20) to cut and/or reflect a light beam emitted by the source (S), a radiator (30) thermally linked to the movement means (20), and a reflector (12), the light beam being reflected by the reflector (12) before being cut and/or reflected by the moving optical element (4), the reflector (12) having the shape of a portion of a semi-ellipsoid, the source (S) being positioned on the axis of symmetry (X) of the ellipsoid, the radiator (30) being positioned below the plane of symmetry of said ellipsoid, the radiator (30) being situated at least partially inside said ellipsoid between a base (13) of the reflector (12) and the moving optical element (4), and being positioned at least partially within a volume (V) defined by the cylindrical extension, along an optical axis of an optical lens (3), of a peripheral contour of said lens (3) to a transverse plane passing through a base (13) of the reflector (12).

The cooling assembly comprising several cooling pins (1) that are connected to the same fluid inlet. Each cooling pin (1) is adapted to cool a moulded hollow plastic piece (P), and comprises a hollow blowing pipe (2) having a fluid inlet (20a) at one end and at least one fluid outlet (21a) at the opposite end, and fluid boosting means (3) for boosting by Venturi effect the cooling fluid flow at the inlet (20a) of the blowing pipe (2). The cooling assembly can be mounted on a moulding machine, and in particular an injection moulding machine.

The present invention provides a cutting fluid which, in the step of cutting a silicon ingot, is superior to conventional products in the removal of processing heat, infiltrating property, inhibition of reaction between water and the silicon, and antifoaming property to thereby attain an improvement in cutting efficiency, and with which silicon wafers having satisfactory flatness are yielded. The accuracy of the processed surface can hence be kept high even under severe slicing conditions. The cutting fluid is a hydrous cutting fluid for silicon-ingot slicing, characterized by comprising a polyoxyalkylene adduct (A) of a compound (a) having 3-8 hydroxy groups, the adduct (A) being represented by general formula (1), and water as essential components, the polyoxyalkylene adduct (A) having an HLB of 6.0-20.0. R{O-(A1O)m-H}f (1) [In formula (1), R represents the residue formed by removing the hydroxyl groups from a compound having 3-8 hydroxy groups; (A1O) represents a C2-4 oxyalkylene; m, indicating the average number of moles of a C2-4 alkylene oxide which has added, is a number of 1-350; and f is an integer of 3-8.]

An illumination device may include a heat sink, on which at least one light source is fastened at least indirectly, wherein the heat sink is held movably in a holder in such a way that the heat sink moves with greater difficulty in an energized state of the light source than in a de-energized state of the light source.

The invention provides a striding type vehicle capable of considering both improvement of cooling of a silencer and light weight of a protector. An automatic two-wheel vehicle, namely a striding type vehicle (1) is provided with: a silencer (30) configured at a side part of a rear part of the vehicle and used for performing silencing of exhaust gas from an engine (20); a protector (40) covering the silencer (30); an opening part (45) for ventilation formed on the protector (40), and guiding travel air to the silencer (30); and a pedal (18) for placing of a foot part in a riding state of a passenger. The opening part (45) for ventilation is configured at a lower part of the pedal (18), and disposed at a lower surface of the protector (40) in a mode of facing downwards.

The application relates to a vapor chamber for cooling a heat source, the vapor chamber includes an evaporator proceeding in a first plane and the vapor chamber includes at least a first condenser and a second condenser, wherein the first and second condenser are internally coupled to the evaporator, wherein the first condenser proceeds in a second plane, and the second condenser proceeds in a third plane, wherein the second plane and the third plane are arranged in an angle to the first plane, wherein at least one air fin is provided, wherein the at least one air fin proceeds in a fourth plane, and wherein the first condenser and the second condenser are internally coupled to the air fin, and wherein the evaporator, the first condenser, the second condenser and the air fin form a common internal volume.

A saw arrangement includes the combination of a saw blade and a lubrication guide support. The saw blade has a planar saw body and a cutting edge defining a rotational direction for cutting. The planar saw body has a planar annular section with oppositely facing parallel surfaces and an axial thickness therebetween. The planar annular section also defines a plurality of cavities therein. The lubricating guide support has a bearing surface adjacent the saw body for proper alignment of the saw blade during cutting. The guide support contains liquid exposed to the saw body at the bearing surface whereby liquid is applied to the saw body as it passes by the bearing surface. The cavities pass by the exposed liquid during movement of the saw blade. The cumulative opening area of the plurality of cavities equals approximately six percent of a cutting triangle of the circular saw blade.

A computer subassembly is configured to be mounted within a rack along an insertion axis. The computer subassembly includes a chassis configured for insertion into and removal from the rack along the insertion axis, wherein the chassis at least partially defines an interior. An interconnect assembly is mounted within or adjacent the interior of the chassis, and the interconnect assembly is oriented along a plane that is substantially parallel to the insertion axis. At lease one circuit assembly is positioned at least partially within the interior of the chassis and is connected to the interconnect assembly. The circuit assembly is oriented in a plane substantially parallel to the insertion axis. A source of cooling air is positioned to direct cooling air through the interior of the chassis along the insertion axis.

A power cable (30, 130, 230, 330, 430, 530) includes an outer sheath (32), at least one conductor element (20, 22, 24, 220, 320, 420, 520) arranged within the outer sheath and one or more filler elements (10, 210, 310,410, 510) arranged within the outer sheath. At least one of the filler elements is hollow such that a cooling fluid can be passed through the filler element.

An apparatus for enclosing a medium and/or high voltage unit connectable to an electric power system. The unit includes one or a plurality of electrical components and generates heat as a by-product during operation. The apparatus includes a housing including a main chamber housing a seat for holding the unit. The main chamber is arranged to house the unit. The housing includes at least one gas exit opening at an upper part of the housing and at least one gas entry opening. The housing includes a sound-absorptive gas exit chamber provided with the at least one gas exit opening. The housing includes a sound-absorptive gas entry chamber provided with the at least one gas entry opening. A first free heat convection path is provided inside the housing between the at least one gas entry opening and the at least one gas exit opening, via the gas entry chamber, via the main chamber and via the gas exit chamber, in order to provide cooling. Each of the gas exit chamber and the gas entry chamber houses at least one sound-absorbing member for absorbing sound produced by the unit during operation. At least one of the gas exit chamber and the gas entry chamber has at least one heat conducting wall and at least one free space provided between the at least one sound-absorbing member and said wall such that the first free heat convection path is provided inside the housing between the at least one gas entry opening and the at least one gas exit opening via the at least one free space.