Railway emergency brake system
CA 1270018 C · Owner: Glenayre Electronics Ltd. · Inventors: Schmid, Hartmut
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract An emergency brake control valve and a system incorporating the same that enables the locomotive engineer to remotely initiate emergency braking at the rear or any intermediate car of the train. The system includes a master unit that is contructed so as to be mounted in the locomotive of the train and a remote control unit that is contructed so as to be mounted on one of the cars. Preferably, the remote control unit is mounted on the last car so that emergency braking may be initiated at the rear of the train. Actuation by the engineer of an emergency brake switch (20) produces an output signal that is transmitted by a radio transmitter (22) and received by a radio receiver (24) in …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted June 5, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 5, 2007.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.