Cooling system for heat insulating engine
CA 1330642 C · Owner: Isuzu Motors Limited · Inventors: Kawamura, Hideo; Matsuoka, Hiroshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The upper parts of the cylinder liners and the cylinder head are formed integral in one piece and a water, jacket is provided around the outer peripheries of the upper parts of the cylinder walls, with no water jacket provided to the cylinder body. This eliminates the use of the core for the water jacket in molding the cylinder body which in, turn reduces the engine weight brings about a significant, cost reduction and makes machining operations easy. Because the piston head is made of a heat insulating material and a water jacket is not provided to the cylinder body the heat, is prevented from flowing down to the cylinder liners. Furthermore the cylinder liners are made of a ceramic …
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 July 12, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 12, 2011.
- 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.