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| Number | Title | Issue Date |
| 8088506 | Fluid consuming battery with fluid regulating system The invention is an electrochemical battery cell with a fluid consuming electrode, such as an oxygen reduction electrode, and a fluid regulating system. The fluid regulating system includes a valve for adjusting the rate of passage of the fluid to the fluid consumin... | 01/03/2012 |
| 7432010 | Battery A battery, which can inhibit raise of an internal resistance even when temperature change or mechanical shock is applied, and which has superior productivity is provided. A safety mechanism and a battery cover are installed at an open part of a battery case by caulk... | 10/07/2008 |
| 7392820 | Liquid shut-off valve An automatic shut-off valve suitable for watering of batteries is disclosed. The valve is formed by a chamber having an inlet and an outlet. A seat surrounds the outlet. A spring biased piston within the cylinder is movable into and out of sealing engagement with th... | 07/01/2008 |
| 7172831 | Battery system for automotive vehicle A battery system for an automotive vehicle includes a battery case having a number of battery cells housed within the case. Coolant passages extend about the battery cells, and a coolant pump or driver circulates coolant from the coolant supply through the passages ... | 02/06/2007 |
| 7147945 | System for determining a gas composition within a shut down fuel cell power plant and method of operation The invention is a system (10) and method for determining a gas composition within a fuel cell (12) of a shut down fuel cell power plant. The system (10) includes at least one fuel cell (12), a sensor circuit (86) secured in electr... | 12/12/2006 |
| 7040431 | Fuel cell hybrid vehicle with automatically watered aqueous batteries A fuel cell hybrid vehicle utilizing flooded aqueous battery or batteries operatively coupled to a fuel cell stack, an electric drive motor, and an integrated watering system, the integrated watering system comprising: a heat exchanger configured to extract water fr... | 05/09/2006 |
| 7029786 | Single point watering apparatus for lead-acid battery The present invention is directed to a single point watering system for use with a lead-acid battery having a plurality of battery cell access ports. The system comprises a plurality of refill valves and a plurality of refill valves and a manifold having (i) a water... | 04/18/2006 |
| 6887609 | Fuel cell system and method for operating the fuel cell system A fuel cell system and method of operation in which the fuel cell system has a fuel cell unit with anode and cathode, a media flow path for supplying substantially pure hydrogen to the anode, a media flow path for the cathode, an anode exhaust-gas flow path and a ca... | 05/03/2005 |
| 6475655 | Fuel cell system with hydrogen gas separation A fuel cell system includes a reforming device for producing a hydrogen-rich gas mixture by reforming a hydrogen-containing compound, and a fuel cell stack for generating electromotive fore by a reaction between hydrogen and oxygen. The fuel cell system f... | 11/05/2002 |
| 6303246 | Hermetically sealed cell and sealing body The object of the present invention is to provide a closed battery capable of rapidly releasing the internal pressure thereof and at the same time disconnecting the current to effectively prevent itself from temperature rising and explosion so that it may... | 10/16/2001 |
| 6242125 | Battery circulation system with improved four-way valve A circulation system for a flowing-electrolyte battery having at least one electrochemical cell, an anolyte reservoir, and a catholyte reservoir. The circulation system includes an anolyte pump coupled in fluid flowing relationship to the anolyte reservoi... | 06/05/2001 |
| 6228525 | Battery cell plug The invention relates to a gravity filling system for adding water to wet cell batteries. The system is for one or more batteries and incorporates a new and improved cell plug which will reduce risk of hazardous gases and toxic acids to the operator. The ... | 05/08/2001 |
| 6106968 | Smart valve regulated lead acid battery with embedded electronic monitoring and fluid fill system For use with a valve regulated lead acid (VRLA) battery, a fluid fill system and a method of maintaining fill fluid in a VRLA battery. In one embodiment, the system includes: (1) a fluid determination circuit, associated with the battery, that determines ... | 08/22/2000 |
| 6093503 | Non-aqueous electrolyte lithium secondary cell A device for protecting a cell is described comprising a cell body arranged in a container which has opening and closing means to open and close the cell body from the exterior atmosphere of the container. The device also has a sensor for sensing an impac... | 07/25/2000 |
| 6074775 | Battery having a built-in controller A battery having a built-in controller that controls one or more functions of the battery is disclosed. The battery may, for example, control a charge or a discharge cycle of a battery, disconnect an electrochemical cell from the terminals of the battery ... | 06/13/2000 |
| 5914201 | Filling fixture for electric vehicle cell An electric vehicle cell featuring internal pressure relief and spring disengagement devices which vent various internal pressures to atmosphere to prevent cell bulging or explosion and which also internally interrupt current flow through the cell due to ... | 06/22/1999 |
| 5902694 | Water top-up plug for batteries containing a liquid electrolyte A water top-up plug for batteries containing a liquid electrolyte has a plug housing, which is formed outwardly in the lower region so that it is complementary to an upper battery housing opening. A cover is arranged at the plug housing at the top, beneat... | 05/11/1999 |
| 5862830 | Water replenishing plug for a battery containing a liquid electrolyte A water replenishment plug for batteries containing a liquid electrolyte has a push-in plug housing (11) which is made complementary at the outside to an upper battery housing opening. Furthermore, a water chamber (13) is provided at the push-in plug hous... | 01/26/1999 |
| 5832946 | Low profile battery refill system A low profile battery refill system employing swiveling three-port tubing connectors, enabling a standardized routing configuration and the use of interchangeable tubing connector components.... | 11/10/1998 |
| 5813838 | Optimum electrolyte level sensing method and the automatic topping up apparatus for storage wet cell The optimum electrolyte level sensing method and the automatic topping up apparatus for storage wet cell are disclosed. The difference in the conductivities between the distilled water and the electrolyte is utilized. An injection outlet portion(15), an a... | 09/29/1998 |
| 5780186 | High performance zinc anode for battery applications An improved zinc anode for use in a high density rechargeable alkaline battery is disclosed. A process for making the zinc electrode comprises electrolytic loading of the zinc active material from a slightly acidic zinc nitrate solution into a substrate o... | 07/14/1998 |
| 5453334 | Automatic battery watering system A battery watering (8) system using a plurality of cells (14) and modules (12). Watering ramps (11) communicate water from a reservoir (18) to a series of interconnected watering caps (16). A reversible pump (30) is positioned below the watering caps (16)... | 09/26/1995 |
| 5439758 | Electrochemical power generating system An electrochemical power generating system has a base unit and a replaceable fuel unit. The base unit comprises controller for controlling operation of the pump. The fuel unit comprises a second housing releasably connectable to the first housing and a ro... | 08/08/1995 |
| 5415949 | Metal-air cell and power system using metal-air cells A metal air cell comprising a flexible, recloseable, pouch made of a gas-permeable, electrolyte-impermeable, material forming the cathode of the cell, a metal plate anode in the pouch, and spacers physically isolating the anode from the interior of the fl... | 05/16/1995 |
| 5340667 | Battery recirculation and recharge system A system for increasing the efficiency of electro-chemical batteries includes a liquid electrolyte battery having positive and negative terminals and electrolyte fluid input and output ports. The system also is provided with an electrolyte distribution ma... | 08/23/1994 |
| 5309937 | Float valve for filling systems, in particular, for filling electric traction batteries The invention relates to a float valve (3) for container filling systems, especially for electrical traction battery filling systems, comprising a valve housing (10) that accommodates a valve chamber (11) and a valve head (31), the valve chamber being pro... | 05/10/1994 |
| 5284176 | Battery refill system An improved battery refill system for filling and maintaining a number of interconnected battery cells at a predetermined level with liquid provided by an external liquid supply. The refill system includes a number of refill valves, each associated with a... | 02/08/1994 |
| 5212867 | Method and unit for filling electrochemical cells A method and unit for filling electrochemical cells, especially lithium cells, with an electrolyte. The cells are first evacuated while simultaneously checking the same for short circuits. The further filling process is terminated for any cell determined ... | 05/25/1993 |
| 5162168 | Automatic voltage control system and method for forced electrolyte flow batteries In a preferred embodiment, voltage control system and method which include providing voltage sensing and control circuitry which measures the output voltage of a battery and provides an output signal to a flow control valve to cause the flow control valve... | 11/10/1992 |
| 5090442 | Field repairable apparatus for use in filling containers to a predetermined level An apparatus is disclosed for filling a container to a predetermined level with liquid provided from an external liquid supply means. The apparatus includes a main valve and a main valve seat for controlling the supply of liquid to the container. A lower ... | 02/25/1992 |
| 4820598 | Activatable battery using the Li/SOCl2 or Li/SO2 Cl2 couples A battery in accordance with the invention comprises: p1 an electrochemical block (3) constituted by a large number of electrochemical couples; p1 a network for irrigating said electrochemical couples with electrolyte; p1 a heat exchanger (7) for external... | 04/11/1989 |
| 4751156 | Cap for accumulator elements with device for automatic filling A cap (10) for accumulators suited for the automatic refill of distilled water includes a main body (20) inside which there is a chamber (13) suited for the distribution of the distilled water through a hole (14). The hole is shut by a valve (32) controll... | 06/14/1988 |
| 4749633 | Battery watering device An automatic battery watering device includes a housing mounted in the battery cell opening. The housing has a chamber for receiving pressurized water, an internal valve opening for passing the water into the cell, a valve pin mounted in the valve opening... | 06/07/1988 |
| 4696874 | Plug for cells of electrical storage batteries Plug for cells of electrical storage batteries comprising a cylindrical body (4), fastened to the vent stack (2) of the cover, capable of being connected by two pipes (7) to the immediately preceding and to the immediately following plug, and provided wit... | 09/29/1987 |
| 4517261 | Hydrogen gas relief valve An improved battery stack design for an electrochemical system having at least one cell from which a gas is generated and an electrolyte in communication with the cell is described. The improved battery stack design features means for defining a substanti... | 05/14/1985 |
| 4414292 | Metal halogen battery system A metal halogen battery construction, with the improved combination comprising, at least one cell having a positive electrode and a negative electrode for contact with aqueous electrolyte containing the material of said metal and halogen, sump means where... | 11/08/1983 |
| 4413040 | Hydrogen/halogen reactor system for metal halogen batteries A metal halogen battery construction containing a novel reactor means having at least two reaction zones with a reaction initiator device in each zone, whereby the reactor permits controlled recombination of hydrogen gas and halogen gas in the system to f... | 11/01/1983 |
| 4386141 | Watering device for batteries A watering device (10) for maintaining a predetermined electrolyte level in the cells of a battery. The device includes a plug body (72) consisting of a cover (12), a valve housing (14) and a float guide (16). A valve (22) is disposed within the body (72)... | 05/31/1983 |
| 4353968 | Battery water-filling systems and check valves therefor An improvement in a water-filling system for batteries, which protects battery cells from damage caused by hydrogen explosions occurring at other cells, is a check or stop valve, placed in the fluid communication lines between two cells, which allows pass... | 10/12/1982 |
| 4246325 | Sodium-sulfur battery including thermally responsive valve and method A sodium-sulfur battery including sodium and sulfur separated by a beta-alumina tube is disclosed herein along with a method of operating the battery utilizing a sodium storage and dispensing arrangement. This storage and dispensing arrangement includes a... | 01/20/1981 |
