Hot box detector alarm circuit

• US 3,226,540 A
• Filed: 10/24/1961
• Issued: 12/28/1965
• Est. Priority Date: 10/24/1961
• Status: Expired due to Term

• Current Assignee: Joseph R De Priest
• Original Assignee: Joseph R De Priest
• Inventors: DE PRIEST JOSEPH R
• Application Number:
  US04/147,317
• Time in Patent Office: 1,526 Days
• US Class Current: 246/169.00D
• CPC Class Codes: B61K 9/06 by detecting or indicating heat radiation from overheated axles
• CPC Class Codes: B61L 1/20 Safety arrangements for preventing or indicating malfunction of the device, e.g. by leakage current, by lightning
• CPC Class Codes: G06F 3/16 Sound input; Sound output speech processing G10L

Claims

1. IN COMBINATION WITH A CIRCUIT FOR DETECTING HOT JOURNAL BOXES ON A TRAIN;

MEANS RESPONSIVE TO SAID DETECTION FOR COUNTING TRAIN AXLES BETWEEN THE HOT JOURNAL BOX AND THE END OF THE TRAIN;

A VOCAL OUTPUT MESSAGE GENERATOR FOR PRODUCING A PLURALITY OF VERBAL OUTPUT SIGNAL INCLUDING PREDETERMINED WORDS AND NUMBERS;

OUTPUT MESSAGE SELECTION MEANS, COUPLED BETWEEN THE OUTPUT OF SAID VOCAL OUTPUT MESSAGE GENERATOR AND THE OUTPUT OF SAID AXLE COUNTER MEANS, FOR SELECTING A TIME SEQUENCE OF OUTPUT WORDS AND NUMBER SIGNIFYING THE PRESENCE OF ABNORMALLY HOT JOURNAL BOX AND THE TOTAL NUMBER OF AXLES BETWEEN SAID ABNORMALLY HOT JOURNAL BOX AND ONE END OF SAID TRAIN.