Class / Patent application number | Description | Number of patent applications / Date published |
429089000 | Other stopper, cap or plug type | 26 |
20080220321 | BATTERY PACK AND PORTABLE ELECTRONIC DEVICE - The present invention includes a plurality of battery cells, each provided with a gas discharge valve. A housing accommodates the battery cells and has a gas opening. The housing does not melt at an inside temperature of the battery pack increased by gas discharged from the gas discharge valve. A blocking member blocks the gas opening and melts at the inside temperature of the battery pack increased by the gas discharged from the gas discharge valve, breaching the gas opening. | 09-11-2008 |
20100323229 | PUSH-IN TURN-OUT VENT CAP FOR LEAD-ACID BATTERY - A battery vent cap capable of push-in installation and turn-out removal. The cap includes bayonet tabs. The tabs in turn each include a ramp portion to facilitate movement of the cap bayonet tabs past bayonet tabs in a battery vent port as the vent cap is inserted into the port axially without substantial rotation. The interfitting bayonet tabs retain the vent cap within the vent port and also permit the vent cap to be unscrewed and removed from the vent port. In a preferred embodiment, the vent cap includes a swivel connector to which a watering hose may be connected. The swivel enables the vent cap to be unscrewed from the vent portion without having to remove the watering hose from the swivel connector. | 12-23-2010 |
20110111274 | Flooded Battery Vent Cap - The present application is directed to embodiments of a flooded battery vent cap. The vent cap may include an internal vent well and an external mounting flange. The internal vent well may be comprised of a hollow cylindrical tube sized to accept a watering gun nozzle therein. The internal vent well may include a variety of elements that limit an insertion depth of the watering gun nozzle. In one embodiment, the internal vent well may comprise at least a first section and a second section. | 05-12-2011 |
20110311849 | RECHARGEABLE BATTERY - A rechargeable battery includes a housing, a plurality of cells within the housing, and a cover which closes the housing. The battery also includes a plurality of filling openings arranged in the cover separated from one another by a distance and a plurality of plugs. Each of the plurality of plugs is configured to close one of the plurality of filling openings. A flexible connecting element connects at least two of the plugs. The flexible connecting element is configured such that the distance between the plugs which are connected to one another can be variably matched to the distance between their associated filling openings by rotating at least one of the plugs connected by the flexible connecting element. | 12-22-2011 |
20120177962 | VALVE PLUG - The invention relates to a sealing plug arrangement ( | 07-12-2012 |
20120219834 | SECONDARY BATTERY - A secondary battery includes a case having an interior cavity and an upper opening, an electrode assembly disposed in the interior cavity of the case, a cap assembly, and a vent cover disposed on an outer surface of the cap plate and at least partially covering the safety vent. The cap assembly includes a cap plate and a safety vent formed within the cap plate, the safety vent being thinner than a remainder of the cap plate, and the cap plate coupled with the upper opening of the case. A portion of the vent cover, corresponding in position to the position of the safety vent, is thinner than a remaining portion of the vent cover. | 08-30-2012 |
20120288739 | RECHARGEABLE BATTERY AND SEALING PLUG FOR A RECHARGEABLE BATTERY - A rechargeable battery includes a housing comprising at least two cells that can be filled with an electrolyte. The rechargeable battery includes a cover and a degassing system having openings provided therein. The cover and the degassing system are arranged such that the openings provided in the cover and the degassing system are located above the cells of the rechargeable battery. A sealing plug is provided in each of the openings, the sealing plug having an upper part and a lower part having a splash basket. The upper part, covers the openings on the outside of the cover and the lower part extends in the direction of the cells. The splash basket surrounds a cavity and has slots distributed over its circumference, the slots continuing as far as a free end of the splash basket. | 11-15-2012 |
20120308860 | CASING FOR A MULTI-CELL ELECTROCHEMICAL BATTERY AND MULTI-CELL ELECTROCHEMICAL BATTERY INCORPORATING THE SAME - A multi-cell electrochemical battery comprises a casing having an interior divided into a plurality of battery cell compartments by at least one partition, each battery cell compartment sized to receive a plurality of battery cells. A fluid circuit comprises a plurality of flow passages extending across said container through said at least one partition. Fluid inlet structure receives input fluid and delivers the input fluid to the fluid circuit. Fluid outlet structure permits the egress of fluid exiting the fluid circuit from the container. A plurality of electrochemical battery cells is accommodated in each battery cell compartment. | 12-06-2012 |
20130034757 | BATTERY VENT CAP - A battery vent cap includes a cylindrical body having an upper portion and a lower portion. A pair of diametrically opposed, radially outwardly extending bayonet tabs is formed on the lower portion. The bayonet tabs permit an installation of the vent cap into a vent port of a battery cover without rotational movement thereof and a removal of the vent cap from the vent port with less than about 180 degrees rotational movement. | 02-07-2013 |
20130040176 | CURRENT COLLECTOR FOR AN ELECTROMECHANICAL CELL - A current collector with improved flexibility and electrical conductivity includes at least one flexible leg coupled to a central portion of the current collector. The flexible leg extends substantially orthogonally to the central portion when a force is applied to the central portion. Specifically, the at least one flexible leg extends at least 16 percent of the outer width when a 1000 Newton loading is applied between the central portion and the outer portion. | 02-14-2013 |
20130059181 | Battery Cap Assembly with High Efficiency Vent - A battery cell design is disclosed that provides a predictable pathway through a portion of the cell (e.g., the cell cap assembly) for the efficient release of the thermal energy that occurs during thermal runaway, thereby reducing the chances of a rupture in an undesirable location. Furthermore the disclosed design maintains the functionality of the cell cap as the positive terminal of the cell, thereby having minimal impact on the manufacturability of the cell as well as its use in a variety of applications. | 03-07-2013 |
20130115493 | Prismatic Lithium Ion Cell With Positive Polarity Rigid Container - Systems and methods are disclosed for battery cells with positive polarity rigid containers. In accordance with disclosed embodiments, the cell may include a container and a lid piece that couple together to form a rectangular prismatic geometry. An electrode assembly having positive and negative coils may be disposed within the cell, and the positive coil may be conductively coupled to the cell. In this way, the cell (e.g., both the lid and the container) may be positively polarized. Further, the electrode assembly may incorporate a jelly-roll or a stacked structure. In one embodiment, the lid piece may include a vent that opens in response to pressure in the cell surpassing an established threshold. The lid may further include a positive terminal, negative terminal, and a method for filling the cell with electrolyte. Another embodiment may provide a battery module include multiple cells with positive polarity rigid containers. | 05-09-2013 |
20130196201 | COVER FOR BATTERY CELL - A battery includes a cell element that is disposed in a housing, and the housing is sealed with a top cover made primarily of plastic. The top cover may include a layer of metallic foil, which may make the top cover more impermeable to moisture. The top cover may also include a vent, which may or may not utilize the metallic foil to determined the primary opening force of the vent. The top cover may also have one or more stiffening ribs that extend downwardly from a bottom portion of the top cover to contact the cell element, so as to limit movement of the cell element within the housing. In addition, the top cover may have one or more conductive terminals that are at least partially overmolded by the plastic of the top cover. | 08-01-2013 |
20140045008 | LARGE FORMAT LITHIUM-ION BATTERY CELL WITH IMPROVED SAFTEY AGAINST CRUSH AND PUNCTURE - The invention relates to a lithium-ion battery cell, which comprises an electrode component, a metal can for accommodating the electrode component, electrolyte injected into the metal can, and a cap plate affixed to the metal can, wherein the electrode component comprises a cathode film, an anode film and separator; a cathode tab is arranged on the positive plate; an anode tab is arranged on the negative plate; the cap plate is provided with a positive terminal electrically connected with the cathode tab, a negative terminal electrically connected with the anode tab, a liquid injection hole and an explosion-proof vent; safety components are assembled between the metal can and the electrode component and electrically connected with the positive terminal or the negative terminal; and the metal can is electrically connected with the negative terminal or the positive terminal. | 02-13-2014 |
20140045009 | SECONDARY BATTERY - A secondary battery includes an electrode assembly, a can accommodating the electrode assembly, and a cap assembly sealing a top portion of the can and having a cap-up. The cap-up includes a base plate, a terminal in a protruding relationship with respect to an upper portion of the base plate, the terminal being at a center of the cap-up, a connection part connecting the base plate and the terminal, and a trench-shaped safety vent in the base plate. | 02-13-2014 |
20140199567 | SECONDARY BATTERY - A secondary battery is disclosed. In one aspect, the battery includes an electrode assembly, a can accommodating the electrode assembly therein and a cap assembly sealing the can. The cap assembly includes a sub-plate electrically connected to the electrode assembly and a vent having a protruding portion electrically connected to the sub-plate. The vent includes i) a first fracture portion and ii) a second fracture portion formed between the first fracture portion and the protruding portion. | 07-17-2014 |
20140234677 | BATTERY MODULE - A battery module including a plurality of battery cells aligned in a direction, each of the battery cells including a cap plate including a terminal portion, and a vent portion to exhaust a gas; a cover covering the vent portions; and a heat-resistance member between the battery cells and the cover, and having an opening formed in a region corresponding to each vent portion. | 08-21-2014 |
20140295229 | END CAP ASSEMBLY FOR AN ELECTROCHEMICAL CELL - An end cap assembly for an electrochemical cell having an end cap, a current collector, and a seal. The end cap has a top surface and a bottom surface. The current collector has a columnar body with a head at one end thereof. The seal has a central boss with an opening through which the current collector is inserted. The seal also has a peripheral edge and a connecting part connecting the central boss with the peripheral edge. The connecting part of the seal has a top surface and a bottom surface. The central boss has a top surface and a bottom surface. The top surface of the central boss faces the bottom surface of the end cap and the bottom surface of the central boss does not extend below the bottom surface of the connecting part. The current collector is positioned within the opening of the central boss so that the head of the current collector does not touch the top surface of the central boss thus forming a gap from about 0.01 mm to about 0.50 mm between the head of the current collector and the top surface of the central boss. The head of the current collector is electrically connected to the bottom surface of the end cap. | 10-02-2014 |
20140308553 | SECONDARY BATTERY MODULE AND MANAGEMENT METHOD THEREOF - A housing for battery cells includes a tray including a body part having a central hole therein and blade part extending from the body part away from the central hole, a frame including a plurality of accommodation parts, each accommodation part configured to receive a battery cell, the frame being mounted on the blade part, and a case configured to receive the tray and the frame. | 10-16-2014 |
20150118531 | METHOD FOR COLD-FORGING THIN-WALLED PORTION AND EXPLOSION-PROOF VALVE - A method for cold-forging a thin-walled portion by which a thin-walled portion having a set thickness is formed directly from a metal base plate having a sufficiently large thickness and an explosion-proof valve are provided. Blade side surfaces of upper and lower dies for shearing the metal base plate are set in an overlapping manner with a predetermined clearance δ therebetween. Sheared surfaces are formed with the blade side surfaces of the upper and lower dies in the metal base plate along a processing direction while leaving the set thickness t2 therebetween and the metal base plate is compressed by the overlapped portions until work-hardened to form the thin-walled portion with the horizontal width δ and the set thickness t2 between the sheared surfaces. The formation of the sheared surfaces eliminates a need to press portions of the metal base plate positioned at both the sides of the thin-walled portion into both the sides during the processing of the thin-walled portion and the thin-walled portion can thus be formed at a high compression processing rate with a smaller processing load. | 04-30-2015 |
20150125724 | Electronic Device - An electronic device includes a body that houses an electronic component in a casing and at least one belt connected to the body. The belt includes a battery housing that houses a battery and a first opening in communication with the battery housing. The casing includes a second opening in communication with the first opening and a release valve that discharges gas in the casing to the outside of the casing when gas released from the battery housed in the battery housing flows through the first and second openings into the casing to increase the pressure in the casing to an atmospheric pressure of a certain level or higher. | 05-07-2015 |
20150147612 | GAS DISCHARGE STRUCTURE FOR BATTERY COVER - A gas discharge structure for a battery cover has a battery cover that covers part or all of a battery, a first hose that is connected with the battery cover at a position of a through-hole provided on the battery cover. and an electric wire that is electrically connected to the battery, is inserted into the first hose, and is drawn out to an outside of a vehicle compartment through an electric-wire lead-out hole provided on a vehicle body panel. A space formed between the electric wire and the first hose communicates with a space inside the battery cover. An end portion of the first hose is located at a position corresponding to the electric-wire lead-out hole, so that an opening of the space formed between the electric wire and the first hose faces the outside of the vehicle compartment. | 05-28-2015 |
20150311481 | Cap Assembly Of Power Battery - The present disclosure provides a cap assembly of a power battery, which comprises: a cap plate provided with a vent hole and an electrolyte-injection hole; a first electrode post provided on and electrically connected to the cap plate; a second electrode post insulated from and assembled to the cap plate | 10-29-2015 |
20160093870 | BATTERY MODULE WATER MANAGEMENT FEATURES - The present disclosure includes a battery module having a housing configured to receive one or more electrochemical cells. The housing includes a bottom internal surface and a recessed portion disposed in the bottom internal surface and proximate to a low point on the bottom internal surface, wherein the recessed portion defines an airspace configured to retain fluid within the housing away from the one or more electrochemical cells. | 03-31-2016 |
20160197321 | BATTERY CELL SEPARATOR | 07-07-2016 |
20160197322 | ADHESIVE VENT PAD FOR A BATTERY MODULE | 07-07-2016 |