Thin and low specific heat ceramic coating and method for increasing operating efficiency of internal combustion engines
Patent 4074671 Issued on February 21, 1978. Estimated Expiration Date: 
February 21, 1995. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
February 21, 1995. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2978360 3019277 3066663 3375127 3408995 3459167 3514319 3620137 3855986 InventorApplicationNo. 05/708838 filed on 07/26/1976US Classes:123/668, Having coating or liner92/223CoatedExaminersPrimary: Myhre, Charles J.Assistant: Randolph, William Attorney, Agent or FirmAbstractAn internal combustion engine having combustion chamber walls coated with a thin ceramic coating with a specific heat of less than 0.12 BTU/lb/° F, a thermal conductivity of less than 11 BTU/HR/FT/° F and a thickness of 0.2 to 1 mil so as to reduce heat losses and increase efficiency of the engine. | |
