Boost supply with polarity protection

• US 3,341,762 A
• Filed: 03/15/1965
• Issued: 09/12/1967
• Est. Priority Date: 03/15/1965
• Status: Expired due to Term

• Current Assignee: Myer S. Rockoff
• Original Assignee: Myer S. Rockoff
• Inventors: Rockoff, Myer S.
• Application Number:
  US04/439,810
• Time in Patent Office: 911 Days
• US Class Current: 320/126
• CPC Class Codes: H02J 7/0034 using reverse polarity correcting or protecting circuits mechanical means of polarity protection H02J7/0045
• CPC Class Codes: Y10S 320/15 Polarity control
• CPC Class Codes: Y10S 320/20 Polarity

Claims

1. AN ELECTRICAL APPARATUS FOR USE IN EQUIPMENT HAVING A SERVICE BATTERY, AN AUXILIARY BATTERY AND MEANS FOR CHARGING THE BATTERIES, SAID APPARATUS COMPRISING:

ELECTRICAL MEANS FOR PREVENTING CURRENT FLOW BETWEEN THE BATTERIES DURING DISCHARGING OPERATIONS;

SELECTIVELY OPERABLE MEANS FOR CONNECTING SAID BATTERIES IN PARALLEL WITH ANOTHER CIRCUIT HAVING A SOURCE OF DIRECT CURRENT POTENTIAL, SAID MEANS BEING ENERGIZED BY SAID DIRECT CURRENT POTENTIAL;

REVERSE POLARITY INDICATOR MEANS;

AND POLARITY SENSITIVE MEANS FOR PREVENTING THE OPERATION OF SAID CONNECTING MEANS WHENEVER THE POLARITIES OF SAID BATTERIES AND SAID OTHER CIRCUIT ARE REVERSED.