Battery charging system

• US 3,090,871 A
• Filed: 05/02/1962
• Issued: 05/21/1963
• Est. Priority Date: 05/02/1962
• Status: Expired due to Term

• Current Assignee: Charles F. Gorman
• Original Assignee: Charles F. Gorman
• Inventors: Gorman, Charles F.
• Application Number:
  US04/191,989
• Time in Patent Office: 384 Days
• US Class Current: 307/10.1
• CPC Class Codes: H02J 7/0042 characterised by the mechanical construction
• CPC Class Codes: Y10S 320/34 Robot, hybrid, recreational or emergency vehicle

Claims

1. IN COMBINATION WITH A TOWING VEHICLE PROVIDED WITH AN OPERATING ELECTRICAL SYSTEM HAVING A GENERATOR AND A VOLTAGE REGULATOR;

A BATTERY CHARGING SYSTEM FOR AN ELECTRICAL SYSTEM INCLUDING A BATTERY TO BE CHARGED CARRIED BY A TRAILER TOWED BY THE VEHICLE COMPRISING A BATTERY CHARGING CIRCUIT FOR INTERCONNECTING THE ELECTRICAL SYSTEM OF A TRAILER WITH A TERMINAL OF THE VOLTAGE REGULATOR SUPPLYING A BATTERY CHARGING VOLTAGE AND A GROUND TERMINAL, AND A VOLTAGE MEASURING CIRCUIT FOR DETERMINING THE CHARGED CONDITION OF A BATTERY CONNECTED THERETO AND FOR ALTERNATELY DETERMINING THE CHARGING VOLTAGE OF THE SYSTEM, SAID VOLTAGE MEASURING CIRCUIT INCLUDING AN ELECTRICAL LOAD RESISTANCE PROVIDED WITH AN ADJUSTABLE TAP HAVING A FIRST TERMINAL CONNECTED TO SAID CHARGING CIRCUIT AND A SECOND TERMINAL CONNECTED TO A GROUNDED TERMINAL OF A TOWING VEHICLE THROUGH A SWITCH MEANS AND A METER MECHANISM FOR PRO VIDING A VISUAL INDICATION OF THE VOLTAGE OF SAID CHARGING SYSTEM, SAID METER MECHANISM HAVING A FIRST TERMINAL CONNECTED TO SAID FIRST TERMINAL OF SAID RESISTANCE AND A SECOND TERMINAL CONNECTED TO THE ADJUSTABLE TAP OF SAID RESISTANCE SAID ADJUSTABLE TAP BEING POSITIONED ON SAID RESISTANCE PROVIDE A METER INDICATION PROPORTIONAL TO THE VOLTAGE OF SAID CHARGING SYSTEM, SAID SECOND TERMINAL OF SAID METER MECHANISM BEING CONNECTED TO THE ADJUSTABLE TAP OF SAID RESISTANCE THROUGH A DIODE.