Accession Number:
ADD002408
Title:
Local Derailment Sensor and Brake Actuator System.
Descriptive Note:
Patent,
Corporate Author:
DEPARTMENT OF THE NAVY WASHINGTON D C
Personal Author(s):
Report Date:
1975-12-30
Pagination or Media Count:
9.0
Abstract:
The patent relates to a motion sensor combined with a journal bearing thermal detector which produces an output signal used to activate a trains brake system upon detection of a local wheel derailment or excessive bearing temperatures. Wheel impact with the roadbed andor bearing temperatures exceeding a predetermined value causes the sensor to activate a percussion-initiated power source. The output signal triggers an electroexplosive brake venting mechanism, puncturing and venting the brake line for a full service brake application to stop the train.
Descriptors:
Subject Categories:
- Surface Transportation and Equipment
- Safety Engineering