Displaced piston machine
Patent 3981645 Issued on September 21, 1976. Estimated Expiration Date: 
September 21, 1993. 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.
September 21, 1993. 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 References1887884 InventorApplicationNo. 05/493929 filed on 08/01/1974US Classes:418/161, Rotating418/164Rotary internal reacting memberExaminersPrimary: Husar, C. J.Assistant: Smith, Leonard E. Attorney, Agent or FirmInternational ClassesF04B 1/00 (20060101)F04B 1/10 (20060101) F01B 15/00 (20060101) F01C 1/00 (20060101) F01C 1/24 (20060101) AbstractA displaced piston engine which has at least one piston received between two guide members in a cylinder, the guide members having opposed guide surfaces contacting surfaces of the piston, the contacting surfaces of the piston and guide members being arcuately, coaxially curved, the guide members being coupled together in their relative oscillatory movement in the cylinder in dependent relationship to the stroke of the piston within the cylinder, and at least one of the guide members being attached directly or indirectly to a shaft for rotation therewith. | |
