A water-cooled heat dissipation module assembly capable of cooling a power module of a vehicle driving inverter system using a battery or fuel cell. The water-cooled heat dissipation module assembly includes a housing unit provided in the form of a housing having an opening portion at least partially opened at one side thereof. The housing unit and at least a part of a rim region of the cooling unit are made of a plastic material, and the housing unit and the cooling unit are joined to each other by plastic welding using a laser.
A fuel cell of the present disclosure includes a cell stack including a plurality of unit cells stacked in a first direction, an end plate disposed on each of two ends of the cell stack and including a metal portion subjected to molecular adhesion surface treatment and a resin portion disposed on at least a portion of the surface of the metal portion, an enclosure coupled to the end plate to envelop the cell stack, and an outer gasket disposed between the enclosure and the end plate and being in contact with the metal portion of the end plate.
H01M 8/2485 - Dispositions pour le scellement des collecteurs d’admission externesDispositions pour le montage des collecteurs d’admission externes autour de l’empilement
The present invention relates to a power module cooling device comprising: a housing part having an inlet part through which a refrigerant flows in and an outlet part through which the refrigerant flows out, and having a flow space formed therein such that the refrigerant can flow; a cover part of which one surface comes into direct or indirect contact with at least one heating element and the other surface is coupled to the housing part so as to seal the flow space; and a heat exchange part which is formed of a plurality of fins protruding from the other surface and is inserted into the flow space such that heat generated from the heating element is transferred to the refrigerant, wherein the heat exchange part may be formed at different heights on the basis of a vertical cross section in a direction in which the refrigerant flows, depending on a contact position where the heating element contacts the cover part or a heating position where heat is generated by the heating element.
The present invention relates to a power module cooling device comprising: a housing unit having an inlet into which a refrigerant flows and an outlet from which the refrigerant is discharged, and having a flow space therein so that the refrigerant can flow; a cover unit having one surface with which at least one heating element directly or indirectly comes into contact, and having the other surface coupled to the housing unit so that the flow space can be sealed; and a heat exchange unit having a plurality of pins protruding from the other surface of the cover unit so as to be inserted into the flow space, thereby enabling heat generated from the heating element to be transferred to the refrigerant, wherein the housing unit or the heat exchange unit can be formed such that the cross-sectional area of the flow space becomes smaller in the direction in which the refrigerant flows.
In an embodiment a fuel cell includes a cell stack having a plurality of unit cells stacked in a first direction, an end plate disposed on at least one of both side ends of the cell stack, an enclosure coupled to the end plate to surround a side portion of the cell stack, the enclosure being divided into a plurality of segments, a plate gasket disposed on the end plate and an enclosure gasket disposed between the plurality of segments, wherein one of the plate gasket and the enclosure gasket comprises a protruding portion protruding in the first direction, and a remaining one of the plate gasket and the enclosure gasket comprises a depressed portion depressed in the first direction to receive the protruding portion fitted thereinto.
H01M 8/2475 - Enceintes, boîtiers ou récipients d’empilements d’éléments à combustible
H01M 8/1004 - Éléments à combustible avec électrolytes solides caractérisés par les ensembles membrane-électrodes [MEA]
H01M 8/0276 - Moyens d’étanchéité caractérisés par leur forme
H01M 8/0273 - Moyens d’étanchéité ou de support autour des électrodes, des matrices ou des membranes avec des moyens d’étanchéité ou de support sous forme d’un cadre
The present invention relates to a water-cooling heat-dissipating module assembly that can cool a power module of a vehicle-driving inverter system that utilizes batteries or fuel cells, the assembly comprising a housing unit and a cooling unit. The housing unit is formed in a housing shape having an opening, one surface of which is at least partially open, and has a flow space in which cooling water can flow, wherein a cooling water inlet and a cooling water outlet are formed on one side and the other side, respectively, of the housing unit so that the cooling water can flow in and out of the flow space. The cooling unit is formed in a plate shape and coupled to the opening of the housing unit, and has a plurality of cooling fins that are formed on one surface facing the flow space of the housing unit and cool the power module which is attached to the other surface. At least a portion of an edge region of each of the housing unit and the cooling unit is made of a plastic material, and thus the housing unit and the cooling unit can be joined by laser-based plastic welding.
The present invention provides a heat dissipation module of a motor control unit for an electric vehicle, the module comprising: a heat dissipation module housing having an opening part on at least one side thereof so that a cooling channel, in which a refrigerant circulates, can be formed; a cooling plate provided at the opening part so that a power semiconductor chip is mounted on the outer surface of the plate and the inner surface of the plate is thermally in contact with the refrigerant; and a welding part formed between the cooling plate and the opening part of the heat dissipation module housing so that the cooling channel can be sealed, wherein the cooling plate comprises a clad metal structure having a first plate containing a first metal and a second plate containing a second metal that are clad bonded.
Provided is an insulation structure of a piston for an engine according to one aspect of the present invention. The insulation structure comprises: an aluminum piston for an engine; a porous anodizing layer formed on the surface of at least a portion of the piston; and an insulation layer formed on top of the anodizing layer and including an inorganic binder and an insulation material of a particle shape having one or more hollows formed therein.
Provided is a piston for an internal combustion engine. The piston includes a body including, at an upper part of the body, a crown including a combustion chamber where fuel is burnt and including, at a lower part of the body, a piston pin boss into which a piston pin is inserted and a skirt corresponding to a cylinder wall, and a cooling channel including a refrigerant channel, a refrigerant inlet provided at a side of the refrigerant channel, and a refrigerant outlet provided at the other side of the refrigerant channel, wherein a cross section of the cooling channel has an overall elliptic shape to reduce stress occurring at an upper side of the cooling channel when the fuel is burnt in the internal combustion engine, and at least one of arcs of the ellipse is configured as a first elliptical arc of a quadratic curve.
F02F 3/22 - Pistons comportant des moyens de refroidissement les moyens consistant en un fluide circulant dans ou le long du piston le fluide étant un liquide
F01P 3/10 - Refroidissement par circulation d'agents de refroidissement dans les pistons
F16J 9/22 - Segments pour empêcher l'usure des gorges ou logements du même genre
A laser welding apparatus for laser-welding a first welding target and a second welding target seated on the first welding target includes a first jig on which the first welding target is seated, a second jig configured to press the first welding target such that the first welding target is adhered to the first jig, a third jig configured to press the second welding target such that the second welding target is adhered to the first welding target, one or more connection members connecting the second jig and the third jig such that the second welding target is pressed by the second jig when the first welding target is pressed by the first jig, and a laser head configured to laser-weld the first welding target and the second welding target by irradiating a laser beam to a specific welding part of the second welding target.
B23K 37/04 - Dispositifs ou procédés auxiliaires non spécialement adaptés à un procédé couvert par un seul des autres groupes principaux de la présente sous-classe pour maintenir ou mettre en position les pièces
H01M 8/04 - Dispositions auxiliaires, p. ex. pour la commande de la pression ou pour la circulation des fluides
B23K 26/26 - Soudage de joints continus rectilignes
The present invention relates to an eco-mold apparatus for manufacturing a piston, a mold apparatus for manufacturing a piston, and a piston manufacturing method, which mold each part of a piston while decreasing the weight of the piston, and the apparatus may comprise: a first eco-mold part which may move forward or backward in a first direction to shape a portion of an eco-part of a piston; a second eco-mold part which may shape-match with the first eco-mold part to mold another portion of the eco-part of the piston; and a piston pickup part which picks up the piston over the second eco-mold part, so that the piston pickup part can separate the piston from the second eco-mold part.
B22D 15/02 - Coulée utilisant un moule ou un noyau dont une partie importante, pour le procédé, est de conductibilité thermique élevée, p. ex. coulée contre refroidisseursMoules ou accessoires spécialement adaptés à cette technique de cylindres, pistons, coquilles de coussinets ou objets analogues de faible épaisseur
B22C 9/10 - NoyauxFabrication ou mise en place des noyaux
B22C 9/22 - Moules pour pièces de forme particulière
B22D 17/22 - Moules métalliquesPlaques de moulesSupports de moulesÉquipement de refroidissement des moulesAccessoires pour l'extraction et l'éjection des pièces hors du moule
There is provided a method for manufacturing a piston, including: a piston assembling step of forming a piston assembly by assembling a first piston part, a bonding member and a second piston part, wherein the first piston part has two or more bonding surfaces separate from each other and extending in a circumferential direction, and the second piston part has two or more bonding surfaces separate from each other and extending in the circumferential direction; a piston diffusion brazing step of diffusion brazing the first piston part, the bonding member and the second piston part under an open atmosphere by heating the formed piston assembly; and a piston cooling step of cooling a piston unit formed by diffusion brazing the first piston part, the bonding member and the second piston part. The piston diffusion brazing step is performed in a piston manufacturing device which includes a partially opened heating zone, a heater for providing heat into the heating zone, and a moving unit moved in one direction in the heating zone. In the piston diffusion brazing step, the piston assembly is heated while being moved at a predetermined speed through the heating zone in one direction by the moving unit.
B23P 15/10 - Fabrication d'objets déterminés par des opérations non couvertes par une seule autre sous-classe ou un groupe de la présente sous-classe de pistons
Provided is a piston for an internal combustion engine, the piston including a body having a piston pin boss for inserting a piston pin thereinto, and a skirt corresponding to a cylinder wall, and a cooling channel provided in the body to allow a refrigerant for cooling the body, to flow therethrough, and having a ring shape including a first channel provided from a refrigerant inlet to a refrigerant outlet along a first outer circumferential direction of the body, and a second channel provided from the refrigerant inlet to the refrigerant outlet along a second outer circumferential direction of the body.
B22C 9/10 - NoyauxFabrication ou mise en place des noyaux
F01P 3/10 - Refroidissement par circulation d'agents de refroidissement dans les pistons
F02F 3/22 - Pistons comportant des moyens de refroidissement les moyens consistant en un fluide circulant dans ou le long du piston le fluide étant un liquide
14.
Piston for internal combustion engine, and cooling channel core
Provided is a piston for an internal combustion engine, the piston including a body having a piston pin boss for inserting a piston pin thereinto, and a skirt corresponding to a cylinder wall, and a cooling channel provided in the body to allow a refrigerant for cooling the body, to flow therethrough, and having a ring shape including a first channel provided from a refrigerant inlet to a refrigerant outlet along a first outer circumferential direction of the body, and a second channel provided from the refrigerant inlet to the refrigerant outlet along a second outer circumferential direction of the body.
F01P 3/10 - Refroidissement par circulation d'agents de refroidissement dans les pistons
B22C 9/10 - NoyauxFabrication ou mise en place des noyaux
F02F 3/22 - Pistons comportant des moyens de refroidissement les moyens consistant en un fluide circulant dans ou le long du piston le fluide étant un liquide
A fuel cell stack enclosure includes: a lower housing disposed under a fuel cell stack and having a bottom plate portion provided with a water outlet therein; a sealing cap closing the water outlet from an outside of the lower housing; and an elastic member elastically pulling the sealing cap toward the bottom plate portion of the lower housing.
The present invention relates to an eco-mold apparatus for manufacturing a piston, a mold apparatus for manufacturing a piston, and a piston manufacturing method, which mold each part of a piston while decreasing the weight of the piston, and the apparatus may comprise: a first eco-mold part which may move forward or backward in a first direction to shape a portion of an eco-part of a piston; a second eco-mold part which may shape-match with the first eco mold part to mold another potion of the eco-part of the piston; and a piston pickup part which picks up the piston over the second eco-mold part, so that the piston pickup part can separate the piston from the second eco-mold part.
The present invention relates to an eco-molding apparatus for manufacturing a piston, a molding apparatus for manufacturing a piston, and a piston manufacturing method, by which parts of the piston can be molded to reduce the weight of the piston. The present invention may comprise: a first eco-molding part which can move forward and backward in a first direction to mold one part of an eco-part of a piston; and a second eco-molding part which can be engaged with the first eco-molding part to allow the other part of the eco-part of the piston to be molded and, when the first eco-molding part undergoes a primary disengagement, can slide in a second direction to undergo a secondary disengagement.
B22D 15/02 - Coulée utilisant un moule ou un noyau dont une partie importante, pour le procédé, est de conductibilité thermique élevée, p. ex. coulée contre refroidisseursMoules ou accessoires spécialement adaptés à cette technique de cylindres, pistons, coquilles de coussinets ou objets analogues de faible épaisseur
18.
ECO-MOLDING APPARATUS FOR MANUFACTURING PISTON, MOLDING APPARATUS FOR MANUFACTURING PISTON, AND PISTON MANUFACTURING METHOD
The present invention relates to an eco-molding apparatus for manufacturing a piston, a molding apparatus for manufacturing a piston, and a piston manufacturing method, by which parts of a piston can be molded to reduce the weight of the piston. The present invention may comprise: an eco-molding part rotated along an arch-shaped orbit toward an eco-part of a piston by an arch-shaped guide slot so as to mold the eco-part of the piston; and an eco-molding driving part connected to one side of the eco-molding part so as to move the eco-molding part forward and backward in a direction perpendicular to the central axis of the piston.
B22D 15/02 - Coulée utilisant un moule ou un noyau dont une partie importante, pour le procédé, est de conductibilité thermique élevée, p. ex. coulée contre refroidisseursMoules ou accessoires spécialement adaptés à cette technique de cylindres, pistons, coquilles de coussinets ou objets analogues de faible épaisseur
B22D 33/04 - Équipement pour la manutention des moules pour rassembler ou séparer les moules
19.
METAL ATTACHMENT METHOD AND METAL ATTACHMENT STRUCTURE USING SAME
The present invention provides a metal attachment method and a metal attachment structure using same, the method comprising the steps of: interposing an insertion member between a first metal member and a second metal member; and heating one or more parts of an area of the first metal member and/or the second metal member between which the insertion member has been interposed and thus attaching the first metal member and the second metal member, wherein the insertion member is formed from carbon and inevitable impurities.
B23K 20/16 - Soudage non électrique par percussion ou par une autre forme de pression, avec ou sans chauffage, p. ex. revêtement ou placage en interposant un matériau particulier facilitant l'assemblage des pièces, p. ex. un matériau absorbant ou produisant des gaz
B23K 20/02 - Soudage non électrique par percussion ou par une autre forme de pression, avec ou sans chauffage, p. ex. revêtement ou placage au moyen d'une presse
The present invention relates to a piston for an internal combustion engine and a method for preparing same, the piston reciprocating inside a cylinder of an internal combustion engine and receiving high-temperature and high-pressure explosion pressure during combustion, thereby transmitting power to a crankshaft by means of a connecting rod. In order to enable easy removal of a core inserted into a body after casting of the body, a piston can comprise: one or more core discharge portions which are formed on one side of a cooling channel and from which a core melted by means of a melting material is discharged; and one or more covers which are formed in a shape corresponding to the shape of the core discharge portions, are inserted into the core discharge portions, and have formed thereon a refrigerant hole part through which a refrigerant can flow in from or discharge out to a refrigerant flow path of the cooling channel.
F02F 3/22 - Pistons comportant des moyens de refroidissement les moyens consistant en un fluide circulant dans ou le long du piston le fluide étant un liquide
B22D 15/02 - Coulée utilisant un moule ou un noyau dont une partie importante, pour le procédé, est de conductibilité thermique élevée, p. ex. coulée contre refroidisseursMoules ou accessoires spécialement adaptés à cette technique de cylindres, pistons, coquilles de coussinets ou objets analogues de faible épaisseur
B22D 29/00 - Extraction des pièces hors du moule, non limitée à un procédé de coulée couvert par un seul groupe principalExtraction des noyauxManipulation des lingots
21.
PISTON FOR INTERNAL COMBUSTION ENGINE AND COOLING CHANNEL CORE ENABLING MANUFACTURE OF SAME
The present invention provides a piston for an internal combustion engine and a cooling channel core enabling manufacture of same, the piston comprising: a body which has formed thereon a piston pin boss portion, such that a piston pin can be inserted, and a skirt portion that corresponds to a cylinder wall side; and a cooling channel which has a refrigerant flow path inside the body such that a refrigerant for cooling the body can flow, wherein the cooling channel comprises a turbulent flow generation apparatus formed on the inner wall thereof such that the refrigerant can generate a turbulent flow inside the refrigerant flow path.
A ventilation apparatus includes: a controller that determines whether insulation resistance between a fuel cell stack and an enclosure including the fuel cell stack is equal to or smaller than a preset value, and varies a degree of opening of a valve provided between an inlet provided on one side of the enclosure and an air blower injecting air to an interior of the enclosure through the inlet based on the determination.
H01M 8/04223 - Dispositions auxiliaires, p. ex. pour la commande de la pression ou pour la circulation des fluides pendant le démarrage ou l’arrêtDépolarisation ou activation, p. ex. purgeMoyens pour court-circuiter les éléments à combustible défectueux
H01M 8/2475 - Enceintes, boîtiers ou récipients d’empilements d’éléments à combustible
H01M 8/04119 - Dispositions pour la commande des paramètres des réactifs, p. ex. de la pression ou de la concentration des réactifs gazeux avec apport simultané ou évacuation simultanée d’électrolyteHumidification ou déshumidification
H01M 8/04492 - HumiditéHumidité ambianteTeneur en eau
The present invention provides a steel piston having cooling channel without flash, including an upper piston part having a circle shape outer wall and an inner wall formed inward from the outer wall with a desired distance, and a lower piston part having a circle shape outer wall and an inner wall formed inward from the outer wall with a desired distance on the place corresponding each other when they are coupled, in which one or more concave grooves are formed on the outer wall of the upper piston part, and two concave grooves are formed on the inner wall of the upper piston part, and the inner circumference surface of the upper end of the outer wall of the lower piston part is carved as much as a desired depth, and therefore, a stepped portion is formed between the inner and the outer circumference surfaces, and the inner and outer circumference surfaces of the upper end of the inner wall of the lower piston part are carved as much as a desired depth, and a protrusion is formed at the middle of the upper end of the inner wall, and therefore, the stepped portions are formed between the inner and outer circumference surfaces, and therefore, having the effect that improve the cooling efficiency of the piston by preventing from accumulating of carbides by limiting forming flash inside oil gallery during friction welding.
F02F 3/16 - Pistons comportant des moyens de refroidissement
F02F 3/22 - Pistons comportant des moyens de refroidissement les moyens consistant en un fluide circulant dans ou le long du piston le fluide étant un liquide
F16J 1/09 - PistonsPistons à fourreauPlongeurs comprenant des moyens de guidage des fluides
24.
ALUMINIUM ALLOY COMPOSITION FOR LOCAL STRENGTHENING OF ALUMINIUM PISTONS, AND ALUMINIUM PISTON FORMED SO AS TO HAVE LOCAL STRENGTHENING LAYER USING SAID COMPOSITION
According to the present invention, disclosed is an aluminium alloy composition used in the formation of a local strengthening layer by means of build-up welding in a local position where abrasion resistance and durability are required in an aluminium piston (10); being an aluminium alloy composition for local strengthening of an aluminium piston wherein carbon nanotubes (CNT) are added in an amount of between 1 and 5 wt.% or graphene is added in an amount of between 1 and 5 wt.% to an aluminium alloy of which the main component is aluminium (Al) and which has a silicon content comprising any one of: a silicon (Si) content of between 5 and 8 wt.%, a silicon (Si) content of between 10 and 13 wt.%, or a silicon (Si) content of between 15 and 19 wt.%.
A method for manufacturing a manifold for a fuel cell with a multilayer structure by injection-molding individual manifolds, each having welding projections and welding guides, and bonding the injection-molded individual manifolds by vibration welding includes arranging welding projections of an upper individual manifold and welding guides of a lower individual manifold to be engaged with each other while maintaining a uniform gap between each other to bond a plurality of individual manifolds in an up and down stacking structure, pressing the lower individual manifold upward, and applying vibration to the upper individual manifold in the left and right direction, thus bonding the upper and lower individual manifolds. Among the welding projections of the upper individual manifold, a non-horizontal welding projection whose longitudinal direction does not coincide with the vibration direction of the individual manifold has a variable height.
B32B 37/00 - Procédés ou dispositifs pour la stratification, p. ex. par polymérisation ou par liaison à l'aide d'ultrasons
H01M 8/02 - Éléments à combustibleLeur fabrication Détails
B29C 65/00 - Assemblage d'éléments préformésAppareils à cet effet
B29C 65/06 - Assemblage d'éléments préformésAppareils à cet effet par chauffage, avec ou sans pressage en utilisant la friction, p. ex. soudage par rotation
H01M 8/24 - Groupement d'éléments à combustible, p. ex. empilement d'éléments à combustible
B29L 31/34 - Appareils électriques, p. ex. bougies ou leurs parties constitutives
26.
Apparatus and method for forming oxidation layer on manifold block for fuel cell stack
Disclosed is an apparatus and method for forming an oxidation layer on a manifold block for a fuel cell stack, which forms an oxidation layer uniformly over the entire surface of a long and complicated internal flow field of a manifold block. In particular, the apparatus for forming an oxidation layer on a manifold block for a fuel cell stack includes: an electrolyte bath which contains an electrolyte required for the formation of the oxidation layer, an electrode for supplying a required electron flow for the formation of the oxidation layer from a power supply to the manifold block immersed in the electrolyte of the electrolyte bath and to the electrolyte, and an air supply for supplying oxygen to the electrolyte. Even more particularly, the electrode connected to the electrolyte is inserted into each internal flow field of the manifold block to provide an effective electron flow therein.
brevets
