Brake accelerator for a fluid-pressure brake system having a brake control valve
CA 1084087 A · Owner: Knorr-Bremse G.M.B.H. · Inventors: Stauble, Georg; Hintner, Josef
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A brake accelerator for a fluid-pressure brake system particularly for railway vehicles has a control chamber connected through a throttle orifice to a brake line. The brake system includes a control valve in which is an emergency brake piston one side of which is subjected to brake line pressure and the other side subjected to pressure in the control chamber. A second control chamber is connected by a first passage to the brake line and a normally closed first valve is in the first passage which valve is operable to an open position by the emergency piston in response to a pressure drop in the brake line. The first passage also includes a normally open second …
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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 August 19, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 19, 1997.
- 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.