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 Aircraft battery

Details
Inventors: Karpal, David L.;
Assignee: Teledyne Industries, Inc. (Los Angeles, CA)
Primary Examiner: Skapars; Anthony
Assistant Examiner:
Attorney, Agent or Firm:

An aircraft battery having a polypropylene casing for receiving the lead plates and acid therein, the casing being configured to fit closely within and be bonded to an aluminum housing and having a thickened base portion with individual cells formed by polypropylene walls to provide improved insulation while maintaining the light weight and the structural integrity of the casing.

DETAILED DESCRIPTION The foregoing and other objects of the invention are accomplished by a lead-acid aircraft battery having a relatively thin-walled molded polypropylene battery casing and cover in one piece sealed to an aluminum housing by a silicon adhesive contained between a peripheral ridge and the interior wall of the housing.
Weight reduction is maintained by molding the bottom of the casing in a configuration which provides a series of spaces separated by polypropylene walls which entrap air for insulation and maintain the structural integrity of the casing.
Other objects, features and advantages of the invention will become apparent from a reading of the specification taken in conjunction with the drawings in which like reference numerals refer to like elements in the several views.


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