Control apparatus for refrigeration system

• US 3,312,081 A
• Filed: 08/03/1965
• Issued: 04/04/1967
• Est. Priority Date: 08/03/1965
• Status: Expired due to Term

• Current Assignee: Isaac Berger, Jack F. Schmidt
• Original Assignee: Isaac Berger, Jack F. Schmidt
• Inventors: Berger, Isaac, Schmidt, Jack F.
• Application Number:
  US04/476,858
• Time in Patent Office: 609 Days
• US Class Current: 62/158
• CPC Class Codes: F25B 49/022 Compressor control arrangements

Claims

1. IN A REFRIGERATION SYSTEM HAVING A COMPRESSOR, THE COMBINATION OF A CIRCUIT FOR ENERGIZING SAID COMPRESSOR;

CONDITION SENSING MEANS OPERABLE AT THE OCCURRENCE OF A PREDETERMINED MALFUNCTION TO INTERRUPT SAID COMPRESSOR ENERGIZING CIRCUIT AND STOP SAID COMPRESSOR;

TIMER CONTROLLED MEANS EFFECTIVE TO PREVENT COMPLETION OF SAID COMPRESSOR ENERGIZING CIRCUIT AND START-UP OF SAID COMPRESSOR FOR A TIMED INTERVAL FOLLOWING EACH STOPPING THEREOF;

A STEP SWITCH EFFETIVE WHEN MOVED THROUGH A PREDETERMINED SERIES OF THE STEPS TO INTERRUPT SAID COMPRESSOR ENERGIZING CIRCUIT AND PREVENT START-UP OF SAID COMPRESSOR;

AND MEANS FOR MOVING SAID STEP SWITCH ONE STEP AT EACH STOPSTART CYCLE OF SAID COMPRESSOR WHEREBY WHEN THE NUMBER OF COMPRESSOR CYCLES EQUALS THE PREDETERMINED SERIES OF STEPS THROUGH WHICH SAID STEP SWITCH MOVES, SAID STEP SWITCH PREVENTS START-UP OF SAID COMPRESSOR.