Exhaust device for a condensable-fluid axial-flow turbine
Patent 4214452 Issued on July 29, 1980. Estimated Expiration Date: 
August 9, 1998. 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.
August 9, 1998. 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 1276154 1814629 InventorsAssigneeApplicationNo. 05/932383 filed on 08/09/1978US Classes:60/697, Turbine discharge directed to flow line415/914DEVICE TO CONTROL BOUNDARY LAYERExaminersPrimary: Ostrager, Allen M.Assistant: Husar, Stephen F. Attorney, Agent or FirmInternational ClassesF01K 9/00 (20060101)F01D 25/30 (20060101) F01D 25/00 (20060101) Foreign Application Priority Data1977-08-25 FRAbstractAn exhaust device for a condensable-fluid axial-flow turbine, comprising an annular diffuser with an axial input situated at the output of the last stage of the turbine and a substantially radial output leading to a condenser which is divided into two zones, in one of which the pressure is lower than in the other, the outer wall of the diffuser with respect to the input flow into the duct having a circumferential suction slot which removes a fraction of the flow in the diffuser towards the lower-pressure part of the condenser, said wall further having a shape such that the pressure gradient measured at its surface in the flow direction is negative or zero at all points. | |
