| Patent Number |
Title Of Patent |
Date Issued |
| 5380604 |
Lead accumulator |
January 10, 1995 |
| A lead accumulator has a housing with a frontside, a backside, a first and second end faces, and a bottom. The housing has a plurality of cells containing acid. A lid is provided for closing the housing. The lid comprises an upper lid and a lower lid spaced from the upper lid to define |
| 5212867 |
Method and unit for filling electrochemical cells |
May 25, 1993 |
| 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 to have a short circuit. Afte |
| 5007467 |
Method and apparatus for producing cathodes for dry-cell batteries, especially lithium batteries |
April 16, 1991 |
| An automatically operating apparatus and method for producing cathodes for ry-cell batteries, especially lithium batteries. A strip-like carrier material to which cathode material is fed in a dosed manner is transported on an endless, continuously rotating conveyor belt system. After pass |
| 4643235 |
Method for making oxygen electrode for alkaline galvanic cells |
February 17, 1987 |
| An oxygen electrode for alkaline galvanic cells. The electrode includes a talyst-containing carbon layer, a current collector, and a preferably foil-like separator for separating a liquid chamber from a gas chamber in such a way that the gas can pass to the carbon layer but the liquid ca |
| 4600664 |
Storage battery |
July 15, 1986 |
| A storage battery having a case closed-off by a block cover in which, for e purpose of separating-off acid, a hollow space is formed by means of a lower cover part and an upper cover part that is spaced from the lower cover part. In conformity with the number of cells, the hollow space i |
| 4507367 |
Galvanic element, particularly a metal-air cell |
March 26, 1985 |
| A galvanic element, particularly a metal-air cell, comprising a consumable etal electrode of flat shape which extends into a container containing the electrolyte, a gas-diffusion electrode which can be freely flushed by gas and particularly air from the outside, being arranged at a distan |
| 4490443 |
Battery having electrolyte supply reservoir and activation tank disposed in a battery housing |
December 25, 1984 |
| A battery which makes possible a long-time operation under high load. The ttery is made of a plurality of galvanic elements, especially metal-air-cells, each of which comprises a consumable metal electrode of planar shape which extends into a receptacle which is flushed with electrol |
| 4463064 |
Galvanic element, especially metal-air-cell |
July 31, 1984 |
| A galvanic element in the form of a flat, high power cell, especially a ml-air-cell, which is cooled with cooling water, and can be assembled to a battery which comprises a plurality of cells. The flat cell comprises bipolar electrodes which have a consumable metal electrode in flat for |
| 4425959 |
Mold for casting intercell connectors |
January 17, 1984 |
| For casting bridges having cell connecting flanges or and poles, respectiy, formed thereon or on the connecting lugs of lead storage battery grids use is made of molds in which mold troughs for liquid lead are developed. In order to increase the life, reduce the heating time and pro |
| 4421322 |
Combination knife-edge and areal contact lip seal for movable electrodes |
December 20, 1983 |
| A lip seal of elastic material has at least one sealing lip having a knife-edge sealing ridge particularly for sealing an axially moving part of a device from a liquid space, for instance in a galvanic metal-air cell. In order to improve the sealing of the axially moving device part |
