Patents by Inventor Rainer-Lionel d'Arcy

Rainer-Lionel d'Arcy has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Automatic water refilling of storage batteries
    Patent number: 4359071
    Abstract: The individual cells of a storage battery have water refill plugs which contain valves actuated by floats and which are connected to a common water supply conduit. In the water supply conduit there is a valve which is repeatedly actuated in pulse-like manner during refilling. This actuation occurs after the gassing potential of the battery has been reached and about 1.5-2 hours before termination of charging. The valve is actuated during a period of 5-10 minutes in impulse-like manner for 5-10 seconds at a time, separated by pauses of 5-10 seconds each.
    Type: Grant
    Filed: April 1, 1980
    Date of Patent: November 16, 1982
    Assignee: Varta Batterie Aktiengesellschaft
    Inventors: Rainer-Lionel d'Arcy, Hartmut Schmidt