Crank guide assembly for internal combustion engines, in particular two-stroke internal combustion engines with facing cylinders
Patent 4512290 Issued on April 23, 1985. Estimated Expiration Date: 
May 13, 2003. 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.
May 13, 2003. 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 1875838 2696413 Bearing lubrication system Bourke type engine Radial engine Patent #: 4331108 InventorsAssigneeApplicationNo. 06/494767 filed on 05/13/1983US Classes:123/55.7, Cylinders opposite and aligned123/197.4, Crankshaft and connecting rod74/597SectionalExaminersPrimary: Feinberg, Craig R.Assistant: Okonsky, David A. Attorney, Agent or FirmInternational ClassesF16C 9/00 (20060101)F16C 9/04 (20060101) F01B 1/00 (20060101) F01B 1/08 (20060101) F01B 9/02 (20060101) F01B 9/00 (20060101) F02B 75/24 (20060101) F02F 7/00 (20060101) F02B 75/00 (20060101) F02B 75/02 (20060101) F02B 1/00 (20060101) F02B 1/04 (20060101) Foreign Application Priority Data1982-05-14 DEAbstractIn a two-stroke internal combustion engine with facing cylinders, piston rods extend from the cylinders into a central crank guide located within a crankcase. A crankpin is located within the crankcase and a sliding piece forms the bearing points between the crankpin and the crank guide. The sliding piece is made up of solid or laminated ceramic components so that the friction heat can be removed using the water from the engine cooling circuit. | |
