Cold start
CA 1309152 C · Owner: Khan, Arif · Inventors: Khan, Rakib; Khan, Arif
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for automatically controlling the ready-to-drive condition while maintaining ready-to-start temperature of a single or multiple gas, gas-diesel or diesel engine in automobile uses an electronic circuit linked to various sensors including a temperature sensor, a vibration sensor and a motion sensor. Signals generated by the temperature sensor are used to turn the engine on and off based on predetermined maximum and minimum temperature. The temperature sensor output is also used to automatically reset the engine. For multiple engines this sensor, can be used to actuate a secondary engine if the primary engine reaches a predetermined maximum temperature and switch back to the primary …
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 October 20, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 20, 2009.
- 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.