Service brake inspection system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 9, 1994
Grant Date -
N/A
app pub date -
Apr 23, 1993
filing date -
Apr 23, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A service brake inspection system engages service brake air lines downstream of a foot operated activation valve thereof to provide continuous engagement of the service brakes during inspection. The system includes a manually controlled air line which supplies air to a source port of an inversion valve. The inversion valve further includes an outlet port which is engaged to air lines supplying the vehicle service brake system via a double check valve in each of the primary and secondary service brake air lines, each being downstream of the foot operated valve. A third control port is connected to an air line disposed between a hand operated valve for exhausting the air lines to the spring parking brakes to set the parking brakes of the vehicle on. When the hand operated exhaust valve is set on, the pathway from the source to the outlet port in the inversion valve is opened to cause the service brakes to be continuously engaged for inspection.
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