Sealed rechargeable battery
First Claim
1. In a sealed rechargeable storage battery containing one or more rechargeable working cells capable of generating gas in a gas space within said sealed battery during charging of said rechargeable working cells, the improvement comprising at least one regulator cell provided within said battery and in gaseous communication with said gas space, said regulator cell being chargeable and dischargeable by a control circuit to regulate the amount of said gas.
6 Assignments
0 Petitions
Accused Products
Abstract
A sealed rechargeable storage battery containing one or more rechargeable working cells and at least one regulator cell. The working cells are capable of generating gas in a gas space within the sealed battery during charging of the working cells. The regulator cell is in gaseous communication with the gas space, the regulator cell being chargeable and dischargeable by a control circuit to regulate the amount of gas in the gas space.
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Citations
19 Claims
- 1. In a sealed rechargeable storage battery containing one or more rechargeable working cells capable of generating gas in a gas space within said sealed battery during charging of said rechargeable working cells, the improvement comprising at least one regulator cell provided within said battery and in gaseous communication with said gas space, said regulator cell being chargeable and dischargeable by a control circuit to regulate the amount of said gas.
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7. A sealed rechargeable storage battery comprising:
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a sealed housing; a plurality of rechargeable working cells within the sealed housing; means for connecting said working cells in electrical series relationship with each other; positive and negative terminals connected through a wall of the sealed housing to respective positive and negative ends of the series connected working cells; at least one regulator cell within said sealed housing and having a common gas space with said working cells; a metallic electrode and a hydrogen electrode in said regulator cell; a hydrogen terminal connected through a wall of the sealed housing to the hydrogen electrode in said regulator cell; and means to make external connection to said metallic electrode of said regulator cell. - View Dependent Claims (8, 9, 10, 11)
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12. A sealed rechargeable storage battery comprising in combination:
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a sealed housing; at least one rechargeable cell inside said sealed housing; a pressure regulator cell inside said housing; a pressure sensor mounted to sense pressure inside said sealed housing; a common gas space inside said housing for said at least one rechargeable cell and said pressure regulator cell; and at least three terminals extending in a sealed manner through the housing and connected to said at least one rechargeable cell and to said pressure regulator cell. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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Specification