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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Eto; Toyohiko
Address:
Toyota, JP
No. of patents:
47
Patents:












Patent Number Title Of Patent Date Issued
D548699 Storage battery August 14, 2007
D548698 Storage battery August 14, 2007
D548697 Storage battery August 14, 2007
D548686 Battery module August 14, 2007
D548685 Storage battery August 14, 2007
D548684 Storage battery August 14, 2007
D548176 Battery module August 7, 2007
8182934 Secondary battery May 22, 2012
A secondary battery comprises a power generating element, a battery case including a gas release hole, and a valve safety device configured to close the gas release hole and release gas out of the battery case when inner pressure in the battery case exceeds a predetermined value. The
8178229 Exhaust system and battery pack May 15, 2012
Noise generated from some air leaking from a water drain hole formed in an exhaust duct is reduced. A first water drain hole for exhausting liquid that has collected within the exhaust duct to outside the exhaust duct is formed in a bottom face of the exhaust duct for exhausting air
8173286 Battery pack May 8, 2012
In a battery pack where a fan is housed within a case housing a battery stack, the noise generated from turbulence of a medium that is supplied and exhausted between a fan opening of the fan and the battery stack is reduced. The battery pack has a battery stack, a cooling fan installed
7989102 Battery pack structure with heater August 2, 2011
A battery pack structure with heater including a plurality of secondary batteries, a housing case housing them, and a heater is arranged to prevent uneven heating among the secondary batteries, reducing temperature variations among the secondary batteries. Specifically, the battery p
7914923 Cell, connected-cell body, and battery module using the same March 29, 2011
A cell includes an electrode plate group which is formed by laminating a positive electrode plate and a negative electrode plate with a separator interposed between them, and includes leads protruding toward directions opposite to each other from one side of the positive electrode plate
7875375 Battery module, battery pack, and method for producing the battery module January 25, 2011
An inexpensive battery pack including a battery module wherein a safety valve is provided for each cell in which battery pack gas leakage can be prevented. A battery pack 100 has a plurality of battery modules 110 each including a plurality of cells 120 respectively provided with a safet
7857867 Sealed battery and method of manufacturing the sealed battery December 28, 2010
An object is to provide a sealed battery with reduced electric resistance from a power generation element to an external terminal of the battery and a method of manufacturing the same. A sealed battery 100 comprises a power generation element 120 including positive electrode plates 121 e
7807282 Nickel-metal hydride storage battery October 5, 2010
A nickel-metal hydride storage battery is provided capable of suppressing an increase of discharge reserve of a negative electrode and preventing lowering of battery characteristics. A nickel-metal hydride storage battery 100 of the present invention comprises a battery main part (an
7759000 Prismatic battery module and method for manufacturing the same July 20, 2010
A prismatic battery module includes a prismatic battery case having a plurality of prismatic cell cases connected to one another through separation walls, a planar electroconductive connector forming part of the separation wall between the cell cases, an electrode plate group arrange
7758994 Nickel metal hydride storage battery with a safety valve for relieving excess gas pressure in th July 20, 2010
A nickel-metal hydride storage battery is provided capable of suppressing changes in discharge reserve and charge reserve of a negative electrode to prevent lowering of battery characteristics for a long term. A nickel-metal hydride storage battery 100 of the present invention compri
7740978 Battery pack June 22, 2010
The battery pack uses a restraining tool capable of secure restraint despite relatively low rigidity to achieve weight and cost reductions. The battery pack is formed of a plurality of parallel arranged battery modules (2), each consisting of a plurality of cells (5) electrically con
7700229 Packing, production method of crimp assembly, production method of battery housing lid, and prod April 20, 2010
Packing according to the invention includes a cylinder portion which extends in a direction of an axis, and in which a diameter of a portion in one end side is increased when the packing is fitted to an object. The cylinder portion includes a fold portion which has a tortuous periphery
7618740 Cooling device for battery pack and rechargeable battery November 17, 2009
In a battery pack including rechargeable batteries arranged in parallel, a cooling medium path for allowing a cooling medium to horizontally flow be formed between the rechargeable batteries. A cooling medium delivery device for delivering the cooling medium to the cooling medium path is
7504799 Battery pack March 17, 2009
A battery pack 100 has plural battery modules 110 each of which constituted with plural unit cells 120 arranged in a row. Furthermore, a spacer 130 intervenes between adjoining battery modules 110 to constitute a cooling passage 160 which makes cooling medium flow and cools down the
7438988 Rechargeable battery with surface mounted temperature detector October 21, 2008
Secondary battery structure 100 has secondary batteries 110 equipped with metallic battery cases 111 , temperature detectors 120 for detecting temperature of the secondary batteries 110 , and supporting members 130 for supporting the temperature detectors 120 . Each of the temperature
7393611 Sealed rechargeable battery and battery module July 1, 2008
A sealed rechargeable battery includes: a metal case having an elliptical or rectangular cross section; a metal sealing plate for sealing an opening at one end of the case; and an electrode plate assembly being housed in the case with an electrolyte solution. In this configuration, a
7291423 Prismatic sealed battery November 6, 2007
A prismatic sealed battery has a prismatic battery case (3) which includes a plurality of prismatic containers (4) coupled in a row via partitions (5), electrode plate assemblies (8), and collectors (10) which are joined to lead portions on both sides of the electrode plate assemblies (8
7226694 Sealed prismatic battery June 5, 2007
A sealed prismatic battery has a battery case made of a plurality of prismatic cell cases coupled together via partition walls. Electrode plate groups are accommodated together with liquid electrolyte in each of the cell cases. Each electrode plate group consists of alternately stack
7189474 Battery pack March 13, 2007
A battery pack is compos d of a plurality of battery modules, holding brackets, a tubular cover, and a fan. The battery module is composed of a plurality of sealed rechargeable batteries having a metal case, which are arranged in a row and integrally connected in series. The plurality of
7172832 Sealed battery and battery pack February 6, 2007
A sealed battery (100) includes a power generation element (120), a battery case (110), and an external positive terminal (150) fixed to a first case wall (110a). Case side faces (110c, 110d) serve as external negative electrode portions providing an electrical connection to a negati
7150935 Cooling device for battery pack and rechargeable battery December 19, 2006
In a battery pack including rechargeable batteries arranged in parallel, a cooling medium path for allowing a cooling medium to horizontally flow be formed between the rechargeable batteries. A cooling medium delivery device for delivering the cooling medium to the cooling medium path is
7125268 Power source device October 24, 2006
In a power source device including a battery pack, a safety switch is provided between a given pair of battery modules connected to each other. The safety switch connects and disconnects those battery modules by insertion and removal of a safety plug to/form a switch body. The power
7060116 Method of binding a plurality of sealed battery cells June 13, 2006
The combined battery of the present invention includes two end plates and a plurality of general cells stacked adjacent each other and bound by two end plates. The general cells are provided with a battery container made of resin, and bound by two end plates with a binding force equal to
7022432 Prismatic sealed battery module April 4, 2006
A prismatic sealed battery module includes: a prismatic battery case; an electrode plate group constituted by alternately layering positive and negative electrode plates with a separator arranged therebetween; and an electrolyte. The positive or negative electrode plates protruding from
6982131 Structure for electrode terminals of battery module January 3, 2006
On the opposite end walls of a flat, prismatic battery case of a battery module where electrode terminals are attached, protruding components are formed such as to protrude further than the electrode terminals. Terminal holes are formed in the end walls in which the electrode terminals a
6946219 Sealed prismatic battery connected via openings with conductive connection plates September 20, 2005
A sealed prismatic battery having a battery case made of a plurality of prismatic cell cases coupled together via partition walls, electrode plate groups, and collectors bonded to lead portions on both sides of the electrode plate groups. In at least one side wall of the battery case is
6939642 Prismatic battery module and method for manufacturing the same September 6, 2005
A prismatic battery module includes a prismatic battery case having a plurality of prismatic cell cases connected to one another through separation walls, a planar electroconductive connector forming part of the separation wall between the cell cases, an electrode plate group arranged
6924060 Prismatic sealed battery module August 2, 2005
In a prismatic sealed battery module which includes a plurality of electrode plate groups, collectors joined to leads on both sides of the electrode plate group, and a prismatic battery case for storing the plurality of electrode plate groups, a connected-electrode-plate-group body i
6914414 Cooling device for battery pack and rechargeable battery July 5, 2005
In a battery pack including a plurality of prismatic rechargeable batteries arranged in parallel with ventilation spaces being provided therebetween, the battery pack is constituted so that cooling air is downwardly sent from above the battery pack through the ventilation spaces. In acco
6890683 Sealed prismatic battery and battery module May 10, 2005
A sealed prismatic battery includes an electrode plate group having positive and negative electrode plates stacked upon one another with a separator interposed therebetween, collectors each connected to a lead portion on either side of the electrode plate group and having one or more
6858344 Prismatic battery having cooling structure and battery pack using the same February 22, 2005
A battery pack includes a plurality of prismatic batteries including an electrode plate group and electrolyte housed in a prismatic battery case and being arranged in parallel and integrally bound. A metal plate is integrally embedded in the sidewall of the prismatic battery which is in
6833010 Prismatic battery module and method for manufacturing the same December 21, 2004
A prismatic battery module employs a prismatic battery case having a single space formed by connecting a plurality of prismatic cell cases in series. Collectors are connected to the lead portions on both sides of the electrode plate group, and adjacent collectors of associated electrode
6761992 Restraining bands for battery pack July 13, 2004
The battery pack is constituted by arranging a plurality of prismatic battery modules adjacently in a condition with coolant passages formed between battery modules and with their side faces of large area being arranged in superimposed manner, and are integrated by tying end plates,
6733918 Sealed rechargeable battery May 11, 2004
An electrode plate group is accommodated together with liquid electrolyte in a metal case having an oval or rectangular cross section. The open end of the case is sealed by a metal sealing plate, with an insulation gasket fitted between the case and the sealing plate. The electrode plate
6602636 Battery module August 5, 2003
A battery module includes a plurality of cells accommodating an electrode plate group and an electrolyte, and a single integrated battery case for accommodating the plurality of cells. The ratio of the component resistance including the connecting resistance between the cells to the
6555264 Battery module having a plurality of interconnected batteries April 29, 2003
A plurality of cells each encased in prismatic cell cases having short lateral walls and long lateral walls are arranged side by side, with adjacent short lateral walls being integral with each other, thereby constituting an integral battery case. The upper open ends of the plurality
6517966 Structure for connecting a plurality of battery modules to constitute a battery pack February 11, 2003
A plurality of prismatic cell cases having short lateral walls and long lateral walls are coupled together such that each of the short lateral walls of these cell cases is common to two adjacent cell cases as partitions, thereby constituting an integral battery case of a battery modu
6448741 Temperature control method and structure for a battery pack September 10, 2002
Cylindrical battery modules (9) composed of a plurality of serially connected cells (7) and arranged in parallel and stacked in piles within a holder case (10) are cooled with a forced current of air supplied from the underside. The battery modules (9a) located on the most upstream side
6340311 Structure for connecting a plurality of battery modules to constitute a battery pack January 22, 2002
A battery pack is constructed with a plurality of battery modules. Each battery module comprises a plurality of prismatic cell cases having short lateral walls and long lateral walls and respectively accommodating elements for electromotive force, these cells being mutually coupled s
6278259 Gas discharging device for battery pack August 21, 2001
In a battery pack, a plurality of batter modules provided with safety vents for discharging gas are arranged in parallel. A gas discharging device is provided in which discharge outlets of the safety vents of the respective battery modules are connected to at least one discharge gas tube










 
 
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